merging with authentication

.devcontainer/demo/devcontainer.json

@@ -15,7 +15,8 @@
 				"actboy168.tasks",
 				"GitHub.copilot",
 				"ms-python.python",
-				"eamodio.gitlens"
+				"eamodio.gitlens",
+				"GitHub.vscode-pull-request-github"
 			]
 		}
 	},

.devcontainer/devcontainer.json

@@ -3,32 +3,36 @@
 {
 	"name": "LangChain Dev Container",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/universal:2-linux",
+	"image": "mcr.microsoft.com/devcontainers/python:1-3.10-bullseye",
+	
+	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {
-		"ghcr.io/devcontainers/features/aws-cli:1": {},
+		"ghcr.io/devcontainers/features/node": {},
-		"ghcr.io/devcontainers/features/docker-in-docker": {}
+		"ghcr.io/devcontainers-contrib/features/poetry": {}
 	},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postCreateCommand": "make setup_devcontainer",
+
+	"containerEnv": {
+		"POETRY_VIRTUALENVS_IN_PROJECT": "true"
+	},
+
+	// Configure tool-specific properties.
 	"customizations": {
 		"vscode": {"extensions": [
 				"actboy168.tasks",
 				"GitHub.copilot",
 				"ms-python.python",
 				"sourcery.sourcery",
-				"eamodio.gitlens"
+				"eamodio.gitlens",
+				"ms-vscode.makefile-tools",
+				"GitHub.vscode-pull-request-github"
 			]}
-	},
+	}
-
-	// Features to add to the dev container. More info: https://containers.dev/features.
-	// "features": {},
-
-	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
-
-	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "poetry install"
-
-	// Configure tool-specific properties.
-	// "customizations": {},
 
 	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
 	// "remoteUser": "root"

.gitattributes

@@ -0,0 +1,20 @@
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text eol=lf
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+*.c text
+*.h text
+*.py text
+*.js text
+*.ts text
+*.jsx text
+*.md text
+*.mdx text
+
+# Declare files that will always have CRLF line endings on checkout.
+*.sln text eol=crlf
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary

Makefile

@@ -32,15 +32,27 @@ lint:
 	poetry run ruff . --fix
 
 install_frontend:
-	cd src/frontend && npm install
+	cd src/frontend && npm install;
+
+install_frontendc:
+	cd src/frontend && rm -rf node_modules package-lock.json && npm install;
 
 run_frontend:
 	cd src/frontend && npm start
 
+setup_devcontainer:
+	make init
+	make build_frontend
+	poetry run langflow --path src/frontend/build
+
 frontend:
 	make install_frontend
 	make run_frontend
 
+frontendc:
+	make install_frontendc
+	make run_frontend
+
 install_backend:
 	poetry install
 

docs/docs/components/tools.mdx

@@ -7,3 +7,57 @@ import Admonition from '@theme/Admonition';
         We appreciate your understanding as we polish our documentation – it may contain some rough edges. Share your feedback or report issues to help us improve! 🛠️📝
     </p>
 </Admonition>
+
+
+### BingSearchRun
+
+Bing Search is a web search engine owned and operated by Microsoft. It provides search results for various types of content, including web pages, images, videos, and news articles. It uses a combination of algorithms and human editors to deliver search results to users.
+
+**Params**
+
+- **Api Wrapper:** A BingSearchAPIWrapper component that takes the search URL and a subscription key.
+
+
+### Calculator
+
+The calculator tool provides mathematical calculation capabilities to an agent by leveraging an LLMMathChain. It allows the agent to perform math when needed to answer questions.
+
+**Params**
+
+- **LLM:** Language Model to use in the calculation.
+
+
+### GoogleSearchResults
+
+A wrapper around Google Search. Useful for when the user needs to answer questions about with more control over the JSON data returned from the API. It returns the full JSON response configured based on the parameters passed to the API wrapper.
+
+**Params**
+
+- **Api Wrapper:** A GoogleSearchAPIWrapper with Google API key and CSE ID
+
+
+### GoogleSearchRun
+
+A quick wrapper around Google Search. It executes the search query and returns just the first result snippet from the highest-priority result type.
+
+**Params**
+
+- **Api Wrapper:** A GoogleSearchAPIWrapper with Google API key and CSE ID
+
+
+### GoogleSerperRun
+
+A low-cost Google Search API.
+
+**Params**
+
+- **Api Wrapper:** A GoogleSerperAPIWrapper component with API key and result keys
+
+
+### InfoSQLDatabaseTool
+
+Tool for getting metadata about a SQL database. The input to this tool is a comma-separated list of tables, and the output is the schema and sample rows for those tables. Example Input: `“table1`, `table2`, `table3”`.
+
+**Params**
+
+- **Db:** SQLDatabase to query.

poetry.lock

@@ -146,13 +146,13 @@ files = [
 
 [[package]]
 name = "alembic"
-version = "1.11.2"
+version = "1.11.3"
 description = "A database migration tool for SQLAlchemy."
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "alembic-1.11.2-py3-none-any.whl", hash = "sha256:7981ab0c4fad4fe1be0cf183aae17689fe394ff874fd2464adb774396faf0796"},
+    {file = "alembic-1.11.3-py3-none-any.whl", hash = "sha256:d6c96c2482740592777c400550a523bc7a9aada4e210cae2e733354ddae6f6f8"},
-    {file = "alembic-1.11.2.tar.gz", hash = "sha256:678f662130dc540dac12de0ea73de9f89caea9dbea138f60ef6263149bf84657"},
+    {file = "alembic-1.11.3.tar.gz", hash = "sha256:3db4ce81a9072e1b5aa44c2d202add24553182672a12daf21608d6f62a8f9cf9"},
 ]
 
 [package.dependencies]
@@ -165,20 +165,20 @@ tz = ["python-dateutil"]
 
 [[package]]
 name = "anthropic"
-version = "0.3.9"
+version = "0.3.10"
 description = "Client library for the anthropic API"
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
-    {file = "anthropic-0.3.9-py3-none-any.whl", hash = "sha256:23e8daf266c707faa0b85328ada03dcf885e62c2f236eb0159352e29b9c4e2e3"},
+    {file = "anthropic-0.3.10-py3-none-any.whl", hash = "sha256:95cd73168296a4f91a5899a28660991e044322cf94442d07b99901d4ca74acd6"},
-    {file = "anthropic-0.3.9.tar.gz", hash = "sha256:c19b75308c07cb1ecbea03ffcdde9ba68e5ca22a22479217712396385678bde3"},
+    {file = "anthropic-0.3.10.tar.gz", hash = "sha256:d1f66efc541fbff0ecfd37fd4d3690f9daaa748fc42d9ded5863a10815a5d97b"},
 ]
 
 [package.dependencies]
 anyio = ">=3.5.0,<4"
 distro = ">=1.7.0,<2"
 httpx = ">=0.23.0,<1"
-pydantic = ">=1.9.0,<2.0.0"
+pydantic = ">=1.9.0,<3"
 tokenizers = ">=0.13.0"
 typing-extensions = ">=4.5,<5"
 
@@ -792,13 +792,13 @@ sqlalchemy = ["sqlalchemy (>1.3.21,<2.0)"]
 
 [[package]]
 name = "cohere"
-version = "4.20.0"
+version = "4.20.1"
 description = ""
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
-    {file = "cohere-4.20.0-py3-none-any.whl", hash = "sha256:bebe4b1d21da0719aaa7db2cc180b5f3d0a802c19ad2d893d627971286e50497"},
+    {file = "cohere-4.20.1-py3-none-any.whl", hash = "sha256:4466c7abdbb168fe2893e5b5123882fe91691d0e3fe43ee254b411917f780dfc"},
-    {file = "cohere-4.20.0.tar.gz", hash = "sha256:a16e86981945c201bab67ad6d47e57f42a37bf2a774f6ac6b8b12233aae6409a"},
+    {file = "cohere-4.20.1.tar.gz", hash = "sha256:533e4a45b38dc338f8a27f24e098b652b4f5ed9f9fbb4719780d1a9fcd1af39e"},
 ]
 
 [package.dependencies]
@@ -1630,13 +1630,13 @@ grpcio-gcp = ["grpcio-gcp (>=0.2.2,<1.0.dev0)"]
 
 [[package]]
 name = "google-api-python-client"
-version = "2.96.0"
+version = "2.97.0"
 description = "Google API Client Library for Python"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "google-api-python-client-2.96.0.tar.gz", hash = "sha256:f712373d03d338af57b9f5fe98c91f4b5baaa8765469b015bc623c4681c5bd51"},
+    {file = "google-api-python-client-2.97.0.tar.gz", hash = "sha256:48277291894876a1ca7ed4127e055e81f81e6343ced1b544a7200ae2c119dcd7"},
-    {file = "google_api_python_client-2.96.0-py2.py3-none-any.whl", hash = "sha256:38c2b61b10d15bb41ec8f89303e3837ec2d2c3e4e38de5800c05ee322492f937"},
+    {file = "google_api_python_client-2.97.0-py2.py3-none-any.whl", hash = "sha256:5215f4cd577753fc4192ccfbe0bb8b55d4bb5fd68fa6268ac5cf271b6305de31"},
 ]
 
 [package.dependencies]
@@ -2979,13 +2979,13 @@ test = ["psutil", "pytest", "pytest-asyncio"]
 
 [[package]]
 name = "langsmith"
-version = "0.0.22"
+version = "0.0.24"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = ">=3.8.1,<4.0"
 files = [
-    {file = "langsmith-0.0.22-py3-none-any.whl", hash = "sha256:1bc94a2e5bfa355ca15d9e658c2c2d04c8cc45c61892a1be08a7c3b40f2fd3f4"},
+    {file = "langsmith-0.0.24-py3-none-any.whl", hash = "sha256:f9f951d070aa1919123d700642aca9c781edfc8797a65ab1161aa12f89bed707"},
-    {file = "langsmith-0.0.22.tar.gz", hash = "sha256:5726c7841294db2a9e5863e20718878d16e28722bdaf3169a278ff3bda2f0be7"},
+    {file = "langsmith-0.0.24.tar.gz", hash = "sha256:9c066dd915752324490a735692997b0db0958f5dfc1e0a0dfbf752c6e62c7529"},
 ]
 
 [package.dependencies]
@@ -3573,33 +3573,38 @@ dill = ">=0.3.7"
 
 [[package]]
 name = "mypy"
-version = "1.5.0"
+version = "1.5.1"
 description = "Optional static typing for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "mypy-1.5.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:ad3109bec37cc33654de8db30fe8ff3a1bb57ea65144167d68185e6dced9868d"},
+    {file = "mypy-1.5.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:f33592ddf9655a4894aef22d134de7393e95fcbdc2d15c1ab65828eee5c66c70"},
-    {file = "mypy-1.5.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:b4ea3a0241cb005b0ccdbd318fb99619b21ae51bcf1660b95fc22e0e7d3ba4a1"},
+    {file = "mypy-1.5.1-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:258b22210a4a258ccd077426c7a181d789d1121aca6db73a83f79372f5569ae0"},
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+    {file = "mypy-1.5.1.tar.gz", hash = "sha256:b031b9601f1060bf1281feab89697324726ba0c0bae9d7cd7ab4b690940f0b92"},
 ]
 
 [package.dependencies]
@@ -5890,29 +5895,42 @@ python-versions = "*"
 files = [
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@@ -6113,18 +6131,18 @@ files = [
 
 [[package]]
 name = "setuptools"
-version = "68.0.0"
+version = "68.1.0"
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "setuptools-68.0.0-py3-none-any.whl", hash = "sha256:11e52c67415a381d10d6b462ced9cfb97066179f0e871399e006c4ab101fc85f"},
+    {file = "setuptools-68.1.0-py3-none-any.whl", hash = "sha256:e13e1b0bc760e9b0127eda042845999b2f913e12437046e663b833aa96d89715"},
-    {file = "setuptools-68.0.0.tar.gz", hash = "sha256:baf1fdb41c6da4cd2eae722e135500da913332ab3f2f5c7d33af9b492acb5235"},
+    {file = "setuptools-68.1.0.tar.gz", hash = "sha256:d59c97e7b774979a5ccb96388efc9eb65518004537e85d52e81eaee89ab6dd91"},
 ]
 
 [package.extras]
-docs = ["furo", "jaraco.packaging (>=9)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-hoverxref (<2)", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (==0.8.3)", "sphinx-reredirects", "sphinxcontrib-towncrier"]
+docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "rst.linker (>=1.9)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-hoverxref (<2)", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (==0.8.3)", "sphinx-reredirects", "sphinxcontrib-towncrier"]
-testing = ["build[virtualenv]", "filelock (>=3.4.0)", "flake8-2020", "ini2toml[lite] (>=0.9)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "pip (>=19.1)", "pip-run (>=8.8)", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=1.3)", "pytest-mypy (>=0.9.1)", "pytest-perf", "pytest-ruff", "pytest-timeout", "pytest-xdist", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel"]
+testing = ["build[virtualenv]", "filelock (>=3.4.0)", "flake8-2020", "ini2toml[lite] (>=0.9)", "jaraco.develop (>=7.21)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "pip (>=19.1)", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-mypy (>=0.9.1)", "pytest-perf", "pytest-ruff", "pytest-timeout", "pytest-xdist", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel"]
 testing-integration = ["build[virtualenv]", "filelock (>=3.4.0)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "pytest", "pytest-enabler", "pytest-xdist", "tomli", "virtualenv (>=13.0.0)", "wheel"]
 
 [[package]]
@@ -6514,13 +6532,13 @@ doc = ["reno", "sphinx", "tornado (>=4.5)"]
 
 [[package]]
 name = "textual"
-version = "0.32.0"
+version = "0.33.0"
 description = "Modern Text User Interface framework"
 optional = true
 python-versions = ">=3.7,<4.0"
 files = [
-    {file = "textual-0.32.0-py3-none-any.whl", hash = "sha256:81fc68406c8806bc864e2f035874a868b4ff0cf466289dce5f7b31869949383b"},
+    {file = "textual-0.33.0-py3-none-any.whl", hash = "sha256:698a093add0fd21c786232bcacde9ff427a9d5dc9ea5deca93437d9453e4ead1"},
-    {file = "textual-0.32.0.tar.gz", hash = "sha256:f7b6683bc18faee6fd3c47cfbad43fbf8273c5fecc12230d52ce5ee089021327"},
+    {file = "textual-0.33.0.tar.gz", hash = "sha256:e0a98b1d9c4458c5bb4269c65d0a7f3e926f197411242d2f8faf80183d47a728"},
 ]
 
 [package.dependencies]
@@ -6939,6 +6957,17 @@ files = [
     {file = "types_cachetools-5.3.0.6-py3-none-any.whl", hash = "sha256:f7f8a25bfe306f2e6bc2ad0a2f949d9e72f2d91036d509c36d3810bf728bc6e1"},
 ]
 
+[[package]]
+name = "types-passlib"
+version = "1.7.7.13"
+description = "Typing stubs for passlib"
+optional = false
+python-versions = "*"
+files = [
+    {file = "types-passlib-1.7.7.13.tar.gz", hash = "sha256:f152639f1f2103d7f59a56e2aec5f9398a75a80830991d0d68aac5c2b9c32a77"},
+    {file = "types_passlib-1.7.7.13-py3-none-any.whl", hash = "sha256:414b5ee9c88313357c9261cfcf816509b1e8e4673f0796bd61e9ef249f6fe076"},
+]
+
 [[package]]
 name = "types-pillow"
 version = "9.5.0.6"
@@ -6950,6 +6979,31 @@ files = [
     {file = "types_Pillow-9.5.0.6-py3-none-any.whl", hash = "sha256:1d238abaa9d529b04941d805b7f4d3f7df30702bb14521ec507617f117406fb4"},
 ]
 
+[[package]]
+name = "types-pyasn1"
+version = "0.4.0.6"
+description = "Typing stubs for pyasn1"
+optional = false
+python-versions = "*"
+files = [
+    {file = "types-pyasn1-0.4.0.6.tar.gz", hash = "sha256:8f1965d0b79152f9d1efc89f9aa9a8cdda7cd28b2619df6737c095cbedeff98b"},
+    {file = "types_pyasn1-0.4.0.6-py3-none-any.whl", hash = "sha256:dd5fc818864e63a66cd714be0a7a59a493f4a81b87ee9ac978c41f1eaa9a0cef"},
+]
+
+[[package]]
+name = "types-python-jose"
+version = "3.3.4.8"
+description = "Typing stubs for python-jose"
+optional = false
+python-versions = "*"
+files = [
+    {file = "types-python-jose-3.3.4.8.tar.gz", hash = "sha256:3c316675c3cee059ccb9aff87358254344915239fa7f19cee2787155a7db14ac"},
+    {file = "types_python_jose-3.3.4.8-py3-none-any.whl", hash = "sha256:95592273443b45dc5cc88f7c56aa5a97725428753fb738b794e63ccb4904954e"},
+]
+
+[package.dependencies]
+types-pyasn1 = "*"
+
 [[package]]
 name = "types-pytz"
 version = "2023.3.0.1"
@@ -7693,4 +7747,4 @@ local = ["ctransformers", "llama-cpp-python", "sentence-transformers"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.11"
-content-hash = "0f7d3f932eb130e7f3b6d234fc36e403ef409d63cfc825ba9f4c470203425ad2"
+content-hash = "8ad605e7ea30f2819dbc03eac6c2e67576a98d1efa4890912414a7568fc27441"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow"
-version = "0.4.7"
+version = "0.4.11"
 description = "A Python package with a built-in web application"
 authors = ["Logspace <contact@logspace.ai>"]
 maintainers = [
@@ -97,6 +97,8 @@ pandas-stubs = "^2.0.0.230412"
 types-pillow = "^9.5.0.2"
 types-appdirs = "^1.4.3.5"
 types-pyyaml = "^6.0.12.8"
+types-python-jose = "^3.3.4.8"
+types-passlib = "^1.7.7.13"
 
 
 [tool.poetry.extras]

src/backend/langflow/__main__.py

@@ -1,6 +1,7 @@
 import sys
 import time
 import httpx
+from langflow.services.manager import initialize_settings_manager
 from langflow.services.utils import get_settings_manager
 from langflow.utils.util import get_number_of_workers
 from multiprocess import Process  # type: ignore
@@ -30,6 +31,7 @@ def update_settings(
     """Update the settings from a config file."""
 
     # Check for database_url in the environment variables
+    initialize_settings_manager()
     settings_manager = get_settings_manager()
     if config:
         logger.debug(f"Loading settings from {config}")

src/backend/langflow/api/v1/endpoints.py

@@ -1,5 +1,5 @@
 from http import HTTPStatus
-from typing import Annotated, Optional
+from typing import Annotated, Optional, Union
 
 from langflow.services.cache.utils import save_uploaded_file
 from langflow.services.database.models.flow import Flow
@@ -44,15 +44,21 @@ def get_all():
         logger.info(
             f"Building custom components from {settings_manager.settings.COMPONENTS_PATH}"
         )
-        custom_component_dicts = [
+
-            build_langchain_custom_component_list_from_path(str(path))
+        custom_component_dicts = []
-            for path in settings_manager.settings.COMPONENTS_PATH
+        processed_paths = []
-        ]
+        for path in settings_manager.settings.COMPONENTS_PATH:
+            if str(path) in processed_paths:
+                continue
+            custom_component_dict = build_langchain_custom_component_list_from_path(
+                str(path)
+            )
+            custom_component_dicts.append(custom_component_dict)
+            processed_paths.append(str(path))
+
         logger.info(f"Loading {len(custom_component_dicts)} category(ies)")
         for custom_component_dict in custom_component_dicts:
             # custom_component_dict is a dict of dicts
-            if not custom_component_dict:
-                continue
             category = list(custom_component_dict.keys())[0]
             logger.info(
                 f"Loading {len(custom_component_dict[category])} component(s) from category {category}"
@@ -75,6 +81,7 @@ async def process_flow(
     inputs: Optional[dict] = None,
     tweaks: Optional[dict] = None,
     clear_cache: Annotated[bool, Body(embed=True)] = False,  # noqa: F821
+    session_id: Annotated[Union[None, str], Body(embed=True)] = None,  # noqa: F821
     session: Session = Depends(get_session),
 ):
     """
@@ -94,10 +101,10 @@ async def process_flow(
                 graph_data = process_tweaks(graph_data, tweaks)
             except Exception as exc:
                 logger.error(f"Error processing tweaks: {exc}")
-        response = process_graph_cached(graph_data, inputs, clear_cache)
+        response, session_id = process_graph_cached(
-        return ProcessResponse(
+            graph_data, inputs, clear_cache, session_id
-            result=response,
         )
+        return ProcessResponse(result=response, session_id=session_id)
     except Exception as e:
         # Log stack trace
         logger.exception(e)

src/backend/langflow/api/v1/schemas.py

@@ -47,6 +47,7 @@ class ProcessResponse(BaseModel):
     """Process response schema."""
 
     result: dict
+    session_id: Optional[str] = None
 
 
 class ChatMessage(BaseModel):

src/backend/langflow/components/agents/OpenAIConversationalAgent.py

@@ -0,0 +1,82 @@
+from langflow import CustomComponent
+from typing import Optional
+from langchain.prompts import SystemMessagePromptTemplate
+from langchain.tools import Tool
+from langchain.schema.memory import BaseMemory
+from langchain.chat_models import ChatOpenAI
+
+from langchain.agents.agent import AgentExecutor
+from langchain.agents.openai_functions_agent.base import OpenAIFunctionsAgent
+from langchain.memory.token_buffer import ConversationTokenBufferMemory
+from langchain.prompts.chat import MessagesPlaceholder
+from langchain.agents.agent_toolkits.conversational_retrieval.openai_functions import (
+    _get_default_system_message,
+)
+
+
+class ConversationalAgent(CustomComponent):
+    display_name: str = "OpenAI Conversational Agent"
+    description: str = "Conversational Agent that can use OpenAI's function calling API"
+
+    def build_config(self):
+        openai_function_models = [
+            "gpt-3.5-turbo-0613",
+            "gpt-3.5-turbo-16k-0613",
+            "gpt-4-0613",
+            "gpt-4-32k-0613",
+        ]
+        return {
+            "tools": {"is_list": True, "display_name": "Tools"},
+            "memory": {"display_name": "Memory"},
+            "system_message": {"display_name": "System Message"},
+            "max_token_limit": {"display_name": "Max Token Limit"},
+            "model_name": {
+                "display_name": "Model Name",
+                "options": openai_function_models,
+                "value": openai_function_models[0],
+            },
+            "code": {"show": False},
+        }
+
+    def build(
+        self,
+        model_name: str,
+        openai_api_key: str,
+        openai_api_base: str,
+        tools: Tool,
+        memory: Optional[BaseMemory] = None,
+        system_message: Optional[SystemMessagePromptTemplate] = None,
+        max_token_limit: int = 2000,
+    ) -> AgentExecutor:
+        llm = ChatOpenAI(
+            model=model_name,
+            openai_api_key=openai_api_key,
+            openai_api_base=openai_api_base,
+        )
+        if not memory:
+            memory_key = "chat_history"
+            memory = ConversationTokenBufferMemory(
+                memory_key=memory_key,
+                return_messages=True,
+                output_key="output",
+                llm=llm,
+                max_token_limit=max_token_limit,
+            )
+        else:
+            memory_key = memory.memory_key  # type: ignore
+
+        _system_message = system_message or _get_default_system_message()
+        prompt = OpenAIFunctionsAgent.create_prompt(
+            system_message=_system_message,  # type: ignore
+            extra_prompt_messages=[MessagesPlaceholder(variable_name=memory_key)],
+        )
+        agent = OpenAIFunctionsAgent(
+            llm=llm, tools=tools, prompt=prompt  # type: ignore
+        )
+        return AgentExecutor(
+            agent=agent,
+            tools=tools,  # type: ignore
+            memory=memory,
+            verbose=True,
+            return_intermediate_steps=True,
+        )

src/backend/langflow/graph/utils.py

@@ -3,6 +3,10 @@ from typing import Any, Union
 from langflow.interface.utils import extract_input_variables_from_prompt
 
 
+class UnbuiltObject:
+    pass
+
+
 def validate_prompt(prompt: str):
     """Validate prompt."""
     if extract_input_variables_from_prompt(prompt):

src/backend/langflow/graph/vertex/base.py

@@ -1,4 +1,5 @@
 import ast
+from langflow.graph.utils import UnbuiltObject
 from langflow.interface.initialize import loading
 from langflow.interface.listing import lazy_load_dict
 from langflow.utils.constants import DIRECT_TYPES
@@ -22,7 +23,7 @@ class Vertex:
         self.edges: List["Edge"] = []
         self.base_type: Optional[str] = base_type
         self._parse_data()
-        self._built_object = None
+        self._built_object = UnbuiltObject()
         self._built = False
         self.artifacts: Dict[str, Any] = {}
 
@@ -245,8 +246,14 @@ class Vertex:
         """
         Checks if the built object is None and raises a ValueError if so.
         """
-        if self._built_object is None:
+        if isinstance(self._built_object, UnbuiltObject):
-            raise ValueError(f"Node type {self.vertex_type} not found")
+            raise ValueError(f"{self.vertex_type}: {self._built_object_repr()}")
+        elif self._built_object is None:
+            message = f"{self.vertex_type} returned None."
+            if self.base_type == "custom_components":
+                message += " Make sure your build method returns a component."
+
+            raise ValueError(message)
 
     def build(self, force: bool = False) -> Any:
         if not self._built or force:

src/backend/langflow/graph/vertex/types.py

@@ -226,6 +226,11 @@ class PromptVertex(Vertex):
         # so the prompt format doesn't break
         artifacts.pop("handle_keys", None)
         try:
+            if not hasattr(self._built_object, "template") and hasattr(
+                self._built_object, "prompt"
+            ):
+                template = self._built_object.prompt.template
+            else:
                 template = self._built_object.template
             for key, value in artifacts.items():
                 if value:

src/backend/langflow/interface/custom/constants.py

@@ -8,10 +8,13 @@ from langchain.text_splitter import TextSplitter
 from langchain.tools import Tool
 from langchain.vectorstores.base import VectorStore
 from langchain.schema import BaseOutputParser
-
+from langchain.schema.memory import BaseMemory
+from langchain.memory.chat_memory import BaseChatMemory
+from langchain.agents.agent import AgentExecutor
 
 LANGCHAIN_BASE_TYPES = {
     "Chain": Chain,
+    "AgentExecutor": AgentExecutor,
     "Tool": Tool,
     "BaseLLM": BaseLLM,
     "PromptTemplate": PromptTemplate,
@@ -22,6 +25,8 @@ LANGCHAIN_BASE_TYPES = {
     "Embeddings": Embeddings,
     "BaseRetriever": BaseRetriever,
     "BaseOutputParser": BaseOutputParser,
+    "BaseMemory": BaseMemory,
+    "BaseChatMemory": BaseChatMemory,
 }
 
 # Langchain base types plus Python base types

src/backend/langflow/interface/custom/custom_component.py

@@ -51,8 +51,8 @@ class CustomComponent(Component, extra=Extra.allow):
 
         for type_hint in TYPE_HINT_LIST:
             if reader._is_type_hint_used_in_args(
-                "Optional", code
+                type_hint, code
-            ) and not reader._is_type_hint_imported("Optional", code):
+            ) and not reader._is_type_hint_imported(type_hint, code):
                 error_detail = {
                     "error": "Type hint Error",
                     "traceback": f"Type hint '{type_hint}' is used but not imported in the code.",

src/backend/langflow/interface/initialize/utils.py

@@ -51,7 +51,9 @@ def handle_partial_variables(prompt, format_kwargs: Dict):
     }
     # Remove handle_keys otherwise LangChain raises an error
     partial_variables.pop("handle_keys", None)
+    if partial_variables and hasattr(prompt, "partial"):
         return prompt.partial(**partial_variables)
+    return prompt
 
 
 def handle_variable(params: Dict, input_variable: str, format_kwargs: Dict):

src/backend/langflow/interface/run.py

@@ -1,3 +1,4 @@
+from typing import Any, Dict, Tuple
 from langflow.services.cache.utils import memoize_dict
 from langflow.graph import Graph
 from langflow.utils.logger import logger
@@ -15,7 +16,7 @@ def build_langchain_object_with_caching(data_graph):
 
 
 @memoize_dict(maxsize=10)
-def build_sorted_vertices_with_caching(data_graph):
+def build_sorted_vertices_with_caching(data_graph) -> Tuple[Any, Dict]:
     """
     Build langchain object from data_graph.
     """

src/backend/langflow/processing/base.py

@@ -5,6 +5,7 @@ from langflow.api.v1.callback import (
 )
 from langflow.processing.process import fix_memory_inputs, format_actions
 from langflow.utils.logger import logger
+from langchain.agents.agent import AgentExecutor
 
 
 async def get_result_and_steps(langchain_object, inputs: Union[dict, str], **kwargs):
@@ -20,6 +21,7 @@ async def get_result_and_steps(langchain_object, inputs: Union[dict, str], **kwa
             # to display intermediate steps
             langchain_object.return_intermediate_steps = True
         try:
+            if not isinstance(langchain_object, AgentExecutor):
                 fix_memory_inputs(langchain_object)
         except Exception as exc:
             logger.error(f"Error fixing memory inputs: {exc}")

src/backend/langflow/processing/process.py

@@ -85,39 +85,55 @@ def get_input_str_if_only_one_input(inputs: dict) -> Optional[str]:
     return list(inputs.values())[0] if len(inputs) == 1 else None
 
 
-def process_graph_cached(
+def get_build_result(data_graph, session_id):
-    data_graph: Dict[str, Any], inputs: Optional[dict] = None, clear_cache=False
+    # If session_id is provided, load the langchain_object from the session
-):
+    # using build_sorted_vertices_with_caching.get_result_by_session_id
-    """
+    # if it returns something different than None, return it
-    Process graph by extracting input variables and replacing ZeroShotPrompt
+    # otherwise, build the graph and return the result
-    with PromptTemplate,then run the graph and return the result and thought.
+    if session_id:
-    """
+        logger.debug(f"Loading LangChain object from session {session_id}")
-    # Load langchain object
+        result = build_sorted_vertices_with_caching.get_result_by_session_id(session_id)
+        if result is not None:
+            logger.debug("Loaded LangChain object")
+            return result
+
+    logger.debug("Building langchain object")
+    return build_sorted_vertices_with_caching(data_graph)
+
+
+def clear_caches_if_needed(clear_cache: bool):
     if clear_cache:
         build_sorted_vertices_with_caching.clear_cache()
         logger.debug("Cleared cache")
-    langchain_object, artifacts = build_sorted_vertices_with_caching(data_graph)
-    logger.debug("Loaded LangChain object")
-    if inputs is None:
-        inputs = {}
 
-    # Add artifacts to inputs
+
-    # artifacts can be documents loaded when building
+def load_langchain_object(
-    # the flow
+    data_graph: Dict[str, Any], session_id: str
-    for (
+) -> Tuple[Union[Chain, VectorStore], Dict[str, Any], str]:
-        key,
+    langchain_object, artifacts = get_build_result(data_graph, session_id)
-        value,
+    session_id = build_sorted_vertices_with_caching.hash
-    ) in artifacts.items():
+    logger.debug("Loaded LangChain object")
-        if key not in inputs or not inputs[key]:
-            inputs[key] = value
 
     if langchain_object is None:
-        # Raise user facing error
         raise ValueError(
             "There was an error loading the langchain_object. Please, check all the nodes and try again."
         )
 
-    # Generate result and thought
+    return langchain_object, artifacts, session_id
+
+
+def process_inputs(inputs: Optional[dict], artifacts: Dict[str, Any]) -> dict:
+    if inputs is None:
+        inputs = {}
+
+    for key, value in artifacts.items():
+        if key not in inputs or not inputs[key]:
+            inputs[key] = value
+
+    return inputs
+
+
+def generate_result(langchain_object: Union[Chain, VectorStore], inputs: dict):
     if isinstance(langchain_object, Chain):
         if inputs is None:
             raise ValueError("Inputs must be provided for a Chain")
@@ -130,9 +146,28 @@ def process_graph_cached(
         raise ValueError(
             f"Unknown langchain_object type: {type(langchain_object).__name__}"
         )
+
     return result
 
 
+def process_graph_cached(
+    data_graph: Dict[str, Any],
+    inputs: Optional[dict] = None,
+    clear_cache=False,
+    session_id=None,
+) -> Tuple[Any, str]:
+    clear_caches_if_needed(clear_cache)
+    # If session_id is provided, load the langchain_object from the session
+    # else build the graph and return the result and the new session_id
+    langchain_object, artifacts, session_id = load_langchain_object(
+        data_graph, session_id
+    )
+    processed_inputs = process_inputs(inputs, artifacts)
+    result = generate_result(langchain_object, processed_inputs)
+
+    return result, session_id
+
+
 def load_flow_from_json(
     flow: Union[Path, str, dict], tweaks: Optional[dict] = None, build=True
 ):

src/backend/langflow/routers/api_key.py

@@ -1,9 +1,6 @@
-
-
 from fastapi import APIRouter
 
 
-
 router = APIRouter(tags=["APIKey"])
 
 
@@ -15,18 +12,21 @@ def get_api_key(user_id: str):
         "api_keys": [
             {
                 "id": "4425707e-cce4-4d1b-a54e-bd2632064657",
+                "api_key": "lf-...abcd",
                 "name": "my api_key name - 01",
                 "created_at": "2023-08-15T19:28:40.019613",
                 "last_used_at": "2023-08-16T18:38:20.875210",
             },
             {
                 "id": "6fb7282b-9f2e-4efe-9bda-0c3d8f899473",
+                "api_key": "lf-...abcd",
                 "name": "my api_key name - 02",
                 "created_at": "2023-08-15T19:41:30.077942",
                 "last_used_at": "2023-08-15T19:45:32.067899",
             },
             {
                 "id": "c55f3b32-4920-42b6-a5cd-698b4251806e",
+                "api_key": "lf-...abcd",
                 "name": "my api_key name - 03",
                 "created_at": "2023-08-15T20:29:40.577808",
                 "last_used_at": "2023-08-15T20:29:40.577816",

src/backend/langflow/services/cache/utils.py

@@ -30,6 +30,7 @@ def create_cache_folder(func):
 
 def memoize_dict(maxsize=128):
     cache = OrderedDict()
+    hash_to_key = {}  # Mapping from hash to cache key
 
     def decorator(func):
         @functools.wraps(func)
@@ -39,16 +40,29 @@ def memoize_dict(maxsize=128):
             if key not in cache:
                 result = func(*args, **kwargs)
                 cache[key] = result
+                hash_to_key[hashed] = key  # Store the mapping
                 if len(cache) > maxsize:
-                    cache.popitem(last=False)
+                    oldest_key = next(iter(cache))
+                    oldest_hash = oldest_key[1]
+                    del cache[oldest_key]
+                    del hash_to_key[oldest_hash]
             else:
                 result = cache[key]
+
+            wrapper.session_id = hashed  # Store hash in the wrapper
             return result
 
         def clear_cache():
             cache.clear()
+            hash_to_key.clear()
+
+        def get_result_by_session_id(session_id):
+            key = hash_to_key.get(session_id)
+            return cache.get(key) if key is not None else None
 
         wrapper.clear_cache = clear_cache  # type: ignore
+        wrapper.get_result_by_session_id = get_result_by_session_id  # type: ignore
+        wrapper.hash = None
         wrapper.cache = cache  # type: ignore
         return wrapper
 

src/backend/langflow/services/manager.py

@@ -18,6 +18,7 @@ class ServiceManager:
         """
         Registers a new factory.
         """
+        if service_factory.service_class.name not in self.factories:
             self.factories[service_factory.service_class.name] = service_factory
 
     def get(self, service_name: ServiceType):
@@ -85,3 +86,12 @@ def initialize_services():
     service_manager.register_factory(database_factory.DatabaseManagerFactory())
     service_manager.register_factory(cache_factory.CacheManagerFactory())
     service_manager.register_factory(chat_factory.ChatManagerFactory())
+
+
+def initialize_settings_manager():
+    """
+    Initialize the settings manager.
+    """
+    from langflow.services.settings import factory as settings_factory
+
+    service_manager.register_factory(settings_factory.SettingsManagerFactory())

src/backend/langflow/services/settings/base.py

@@ -1,6 +1,7 @@
 import contextlib
 import json
 import os
+from shutil import copy2
 import secrets
 from typing import Optional, List
 from pathlib import Path
@@ -9,7 +10,8 @@ import yaml
 from pydantic import BaseSettings, root_validator, validator
 from langflow.utils.logger import logger
 
-BASE_COMPONENTS_PATH = str(Path(__file__).parent / "components")
+# BASE_COMPONENTS_PATH = str(Path(__file__).parent / "components")
+BASE_COMPONENTS_PATH = str(Path(__file__).parent.parent.parent / "components")
 
 
 class Settings(BaseSettings):
@@ -30,6 +32,9 @@ class Settings(BaseSettings):
     OUTPUT_PARSERS: dict = {}
     CUSTOM_COMPONENTS: dict = {}
 
+    # Define the default LANGFLOW_DIR
+    CONFIG_DIR: Optional[str] = None
+
     DEV: bool = False
     DATABASE_URL: Optional[str] = None
     CACHE: str = "InMemoryCache"
@@ -54,8 +59,31 @@ class Settings(BaseSettings):
     FIRST_SUPERUSER: str = "langflow"
     FIRST_SUPERUSER_PASSWORD: str = "langflow"
 
+    @validator("CONFIG_DIR", pre=True, allow_reuse=True)
+    def set_langflow_dir(cls, value):
+        if not value:
+            import appdirs
+
+            # Define the app name and author
+            app_name = "langflow"
+            app_author = "logspace"
+
+            # Get the cache directory for the application
+            cache_dir = appdirs.user_cache_dir(app_name, app_author)
+
+            # Create a .langflow directory inside the cache directory
+            value = Path(cache_dir)
+            value.mkdir(parents=True, exist_ok=True)
+
+        if isinstance(value, str):
+            value = Path(value)
+        if not value.exists():
+            value.mkdir(parents=True, exist_ok=True)
+
+        return str(value)
+
     @validator("DATABASE_URL", pre=True)
-    def set_database_url(cls, value):
+    def set_database_url(cls, value, values):
         if not value:
             logger.debug(
                 "No database_url provided, trying LANGFLOW_DATABASE_URL env variable"
@@ -65,7 +93,28 @@ class Settings(BaseSettings):
                 logger.debug("Using LANGFLOW_DATABASE_URL env variable.")
             else:
                 logger.debug("No DATABASE_URL env variable, using sqlite database")
-                value = "sqlite:///./langflow.db"
+                # Originally, we used sqlite:///./langflow.db
+                # so we need to migrate to the new format
+                # if there is a database in that location
+                if not values["CONFIG_DIR"]:
+                    raise ValueError(
+                        "CONFIG_DIR not set, please set it or provide a DATABASE_URL"
+                    )
+
+                new_path = f"{values['CONFIG_DIR']}/langflow.db"
+                if Path("./langflow.db").exists():
+                    if Path(new_path).exists():
+                        logger.debug(f"Database already exists at {new_path}, using it")
+                    else:
+                        try:
+                            logger.debug("Copying existing database to new location")
+                            copy2("./langflow.db", new_path)
+                            logger.debug(f"Copied existing database to {new_path}")
+                        except Exception:
+                            logger.error("Failed to copy database, using default path")
+                            new_path = "./langflow.db"
+
+                value = f"sqlite:///{new_path}"
 
         return value
 
@@ -148,10 +197,15 @@ class Settings(BaseSettings):
                     value = json.loads(str(value))
                 if isinstance(value, list):
                     for item in value:
+                        if isinstance(item, Path):
+                            item = str(item)
                         if item not in getattr(self, key):
                             getattr(self, key).append(item)
                     logger.debug(f"Extended {key}")
                 else:
+                    if isinstance(value, Path):
+                        value = str(value)
+                    if value not in getattr(self, key):
                         getattr(self, key).append(value)
                         logger.debug(f"Appended {key}")
 

src/frontend/package.json

@@ -72,7 +72,8 @@
     "start": "vite",
     "build": "vite build",
     "serve": "vite preview",
-    "format": "npx prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\""
+    "format": "npx prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\"",
+    "type-check": "tsc --noEmit --pretty --project tsconfig.json && vite"
   },
   "eslintConfig": {
     "extends": [

src/frontend/src/App.tsx

@@ -9,7 +9,7 @@ import ErrorAlert from "./alerts/error";
 import NoticeAlert from "./alerts/notice";
 import SuccessAlert from "./alerts/success";
 import CrashErrorComponent from "./components/CrashErrorComponent";
-import Header from "./components/headerComponent";
+import LoadingComponent from "./components/loadingComponent";
 import { alertContext } from "./contexts/alertContext";
 import { AuthContext } from "./contexts/authContext";
 import { locationContext } from "./contexts/locationContext";
@@ -27,6 +27,7 @@ export default function App() {
     setIsStackedOpen(true);
   }, [location.pathname, setCurrent, setIsStackedOpen, setShowSideBar]);
   const { hardReset } = useContext(TabsContext);
+
   const {
     errorData,
     errorOpen,
@@ -38,6 +39,7 @@ export default function App() {
     successOpen,
     setSuccessOpen,
     setErrorData,
+    loading,
   } = useContext(alertContext);
   const navigate = useNavigate();
 
@@ -144,7 +146,7 @@ export default function App() {
         }
       }).catch((error) => {
         setAutoLogin(false);
-        if (getAuthentication && !isLoginPage) {
+        if (getAuthentication() && !isLoginPage) {
           getLoggedUser()
             .then((user) => {
               setUserData(user);
@@ -167,8 +169,15 @@ export default function App() {
         }}
         FallbackComponent={CrashErrorComponent}
       >
-        {!isLoginPage && !isSignUpPage && <Header />}
+        {loading ? (
+          <div className="loading-page-panel">
+            <LoadingComponent remSize={50} />
+          </div>
+        ) : (
+          <>
             <Router />
+          </>
+        )}
       </ErrorBoundary>
       <div></div>
       <div className="app-div" style={{ zIndex: 999 }}>

src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx

@@ -111,6 +111,7 @@ export default function ParameterComponent({
     let groupedObj = groupByFamily(myData, tooltipTitle!, left, flow!);
 
     if (groupedObj && groupedObj.length > 0) {
+      //@ts-ignore
       //@ts-ignore
       refHtml.current = groupedObj.map((item, index) => {
         const Icon: any =

src/frontend/src/CustomNodes/GenericNode/index.tsx

@@ -8,6 +8,7 @@ import { useSSE } from "../../contexts/SSEContext";
 import { TabsContext } from "../../contexts/tabsContext";
 import { typesContext } from "../../contexts/typesContext";
 import NodeToolbarComponent from "../../pages/FlowPage/components/nodeToolbarComponent";
+import { validationStatusType } from "../../types/components";
 import { NodeDataType } from "../../types/flow";
 import { cleanEdges } from "../../utils/reactflowUtils";
 import { nodeColors, nodeIconsLucide } from "../../utils/styleUtils";
@@ -20,13 +21,14 @@ export default function GenericNode({
 }: {
   data: NodeDataType;
   selected: boolean;
-}) {
+}): JSX.Element {
   const [data, setData] = useState(olddata);
   const { updateFlow, flows, tabId } = useContext(TabsContext);
   const updateNodeInternals = useUpdateNodeInternals();
   const { types, deleteNode, reactFlowInstance } = useContext(typesContext);
   const name = nodeIconsLucide[data.type] ? data.type : types[data.type];
-  const [validationStatus, setValidationStatus] = useState(null);
+  const [validationStatus, setValidationStatus] =
+    useState<validationStatusType | null>(null);
   // State for outline color
   const { sseData, isBuilding } = useSSE();
   useEffect(() => {
@@ -41,7 +43,7 @@ export default function GenericNode({
           nodes: flow.data.nodes,
         },
         updateEdge: (edge) => {
-          flow.data.edges = edge;
+          flow.data!.edges = edge;
           reactFlowInstance.setEdges(edge);
           updateNodeInternals(data.id);
         },
@@ -77,7 +79,7 @@ export default function GenericNode({
           "generic-node-div"
         )}
       >
-        {data.node.beta && (
+        {data.node?.beta && (
           <div className="beta-badge-wrapper">
             <div className="beta-badge-content">BETA</div>
           </div>
@@ -90,9 +92,9 @@ export default function GenericNode({
               iconColor={`${nodeColors[types[data.type]]}`}
             />
             <div className="generic-node-tooltip-div">
-              <ShadTooltip content={data.node.display_name}>
+              <ShadTooltip content={data.node?.display_name}>
                 <div className="generic-node-tooltip-div text-primary">
-                  {data.node.display_name}
+                  {data.node?.display_name}
                 </div>
               </ShadTooltip>
             </div>
@@ -117,7 +119,9 @@ export default function GenericNode({
                       {typeof validationStatus.params === "string"
                         ? validationStatus.params
                             .split("\n")
-                            .map((line, index) => <div key={index}>{line}</div>)
+                            .map((line: string, index: number) => (
+                              <div key={index}>{line}</div>
+                            ))
                         : ""}
                     </div>
                   )
@@ -155,20 +159,20 @@ export default function GenericNode({
         </div>
 
         <div className="generic-node-desc">
-          <div className="generic-node-desc-text">{data.node.description}</div>
+          <div className="generic-node-desc-text">{data.node?.description}</div>
 
           <>
-            {Object.keys(data.node.template)
+            {Object.keys(data.node!.template)
               .filter((templateField) => templateField.charAt(0) !== "_")
               .map((templateField: string, idx) => (
                 <div key={idx}>
-                  {data.node.template[templateField].show &&
+                  {data.node!.template[templateField].show &&
-                  !data.node.template[templateField].advanced ? (
+                  !data.node!.template[templateField].advanced ? (
                     <ParameterComponent
                       key={
-                        (data.node.template[templateField].input_types?.join(
+                        (data.node!.template[templateField].input_types?.join(
                           ";"
-                        ) ?? data.node.template[templateField].type) +
+                        ) ?? data.node!.template[templateField].type) +
                         "|" +
                         templateField +
                         "|" +
@@ -178,39 +182,39 @@ export default function GenericNode({
                       setData={setData}
                       color={
                         nodeColors[
-                          types[data.node.template[templateField].type]
+                          types[data.node?.template[templateField].type!]
                         ] ??
-                        nodeColors[data.node.template[templateField].type] ??
+                        nodeColors[data.node?.template[templateField].type!] ??
                         nodeColors.unknown
                       }
                       title={
-                        data.node.template[templateField].display_name
+                        data.node?.template[templateField].display_name
                           ? data.node.template[templateField].display_name
-                          : data.node.template[templateField].name
+                          : data.node?.template[templateField].name
                           ? toTitleCase(data.node.template[templateField].name)
                           : toTitleCase(templateField)
                       }
-                      info={data.node.template[templateField].info}
+                      info={data.node?.template[templateField].info}
                       name={templateField}
                       tooltipTitle={
-                        data.node.template[templateField].input_types?.join(
+                        data.node?.template[templateField].input_types?.join(
                           "\n"
-                        ) ?? data.node.template[templateField].type
+                        ) ?? data.node?.template[templateField].type
                       }
-                      required={data.node.template[templateField].required}
+                      required={data.node?.template[templateField].required}
                       id={
-                        (data.node.template[templateField].input_types?.join(
+                        (data.node?.template[templateField].input_types?.join(
                           ";"
-                        ) ?? data.node.template[templateField].type) +
+                        ) ?? data.node?.template[templateField].type) +
                         "|" +
                         templateField +
                         "|" +
                         data.id
                       }
                       left={true}
-                      type={data.node.template[templateField].type}
+                      type={data.node?.template[templateField].type}
                       optionalHandle={
-                        data.node.template[templateField].input_types
+                        data.node?.template[templateField].input_types
                       }
                     />
                   ) : (
@@ -220,25 +224,25 @@ export default function GenericNode({
               ))}
             <div
               className={classNames(
-                Object.keys(data.node.template).length < 1 ? "hidden" : "",
+                Object.keys(data.node!.template).length < 1 ? "hidden" : "",
                 "flex-max-width justify-center"
               )}
             >
               {" "}
             </div>
             <ParameterComponent
-              key={[data.type, data.id, ...data.node.base_classes].join("|")}
+              key={[data.type, data.id, ...data.node!.base_classes].join("|")}
               data={data}
               setData={setData}
               color={nodeColors[types[data.type]] ?? nodeColors.unknown}
               title={
-                data.node.output_types && data.node.output_types.length > 0
+                data.node?.output_types && data.node.output_types.length > 0
                   ? data.node.output_types.join("|")
                   : data.type
               }
-              tooltipTitle={data.node.base_classes.join("\n")}
+              tooltipTitle={data.node?.base_classes.join("\n")}
-              id={[data.type, data.id, ...data.node.base_classes].join("|")}
+              id={[data.type, data.id, ...data.node!.base_classes].join("|")}
-              type={data.node.base_classes.join("|")}
+              type={data.node?.base_classes.join("|")}
               left={false}
             />
           </>

src/frontend/src/alerts/alertDropDown/components/singleAlertComponent/index.tsx

@@ -7,7 +7,7 @@ import { SingleAlertComponentType } from "../../../../types/alerts";
 export default function SingleAlert({
   dropItem,
   removeAlert,
-}: SingleAlertComponentType) {
+}: SingleAlertComponentType): JSX.Element {
   const [show, setShow] = useState(true);
   const type = dropItem.type;
 

src/frontend/src/alerts/alertDropDown/index.tsx

@@ -9,7 +9,9 @@ import { alertContext } from "../../contexts/alertContext";
 import { AlertDropdownType } from "../../types/alerts";
 import SingleAlert from "./components/singleAlertComponent";
 
-export default function AlertDropdown({ children }: AlertDropdownType) {
+export default function AlertDropdown({
+  children,
+}: AlertDropdownType): JSX.Element {
   const {
     notificationList,
     clearNotificationList,

src/frontend/src/alerts/error/index.tsx

@@ -8,7 +8,7 @@ export default function ErrorAlert({
   list = [],
   id,
   removeAlert,
-}: ErrorAlertType) {
+}: ErrorAlertType): JSX.Element {
   const [show, setShow] = useState(true);
   useEffect(() => {
     if (show) {

src/frontend/src/alerts/hooks/useOnClickOutside/index.ts

@@ -2,7 +2,7 @@ import { useEffect } from "react";
 
 export function useOnClickOutside(ref, handler) {
   useEffect(() => {
-    const listener = (event) => {
+    const listener = (event: Event) => {
       // Do nothing if clicking ref's element or its children
       if (!ref.current || ref.current.contains(event.target)) {
         return;

src/frontend/src/alerts/notice/index.tsx

@@ -9,7 +9,7 @@ export default function NoticeAlert({
   link = "",
   id,
   removeAlert,
-}: NoticeAlertType) {
+}: NoticeAlertType): JSX.Element {
   const [show, setShow] = useState(true);
   useEffect(() => {
     if (show) {

src/frontend/src/alerts/success/index.tsx

@@ -7,7 +7,7 @@ export default function SuccessAlert({
   title,
   id,
   removeAlert,
-}: SuccessAlertType) {
+}: SuccessAlertType): JSX.Element {
   const [show, setShow] = useState(true);
   useEffect(() => {
     if (show) {

src/frontend/src/components/AccordionComponent/index.tsx

@@ -12,12 +12,12 @@ export default function AccordionComponent({
   children,
   open = [],
   keyValue,
-}: AccordionComponentType) {
+}: AccordionComponentType): JSX.Element {
   const [value, setValue] = useState(
     open.length === 0 ? "" : getOpenAccordion()
   );
 
-  function getOpenAccordion() {
+  function getOpenAccordion(): string {
     let value = "";
     open.forEach((el) => {
       if (el == trigger) {
@@ -28,10 +28,17 @@ export default function AccordionComponent({
     return value;
   }
 
-  function handleClick() {
+  function handleClick(): void {
-    value === "" ? setValue(keyValue) : setValue("");
+    value === "" ? setValue(keyValue!) : setValue("");
   }
 
+  const handleKeyDown = (event) => {
+    if (event.key === "Backspace") {
+      event.preventDefault();
+      event.stopPropagation();
+    }
+  };
+
   return (
     <>
       <Accordion
@@ -39,8 +46,9 @@ export default function AccordionComponent({
         className="w-full"
         value={value}
         onValueChange={setValue}
+        onKeyDown={handleKeyDown}
       >
-        <AccordionItem value={keyValue} className="border-b">
+        <AccordionItem value={keyValue!} className="border-b">
           <AccordionTrigger
             onClick={() => {
               handleClick();

src/frontend/src/components/CrashErrorComponent/index.tsx

@@ -1,4 +1,9 @@
-export default function CrashErrorComponent({ error, resetErrorBoundary }) {
+import { crashComponentPropsType } from "../../types/components";
+
+export default function CrashErrorComponent({
+  error,
+  resetErrorBoundary,
+}: crashComponentPropsType): JSX.Element {
   return (
     <div className="fixed left-0 top-0 z-50 flex h-full w-full items-center justify-center bg-foreground bg-opacity-50">
       <div className="flex h-1/3 min-h-fit max-w-4xl flex-col justify-evenly rounded-lg bg-background p-8 text-start shadow-lg">

src/frontend/src/components/EditFlowSettingsComponent/index.tsx

@@ -3,19 +3,8 @@ import { Input } from "../../components/ui/input";
 import { Label } from "../../components/ui/label";
 import { Textarea } from "../../components/ui/textarea";
 import { readFlowsFromDatabase } from "../../controllers/API";
-
+import { InputProps } from "../../types/components";
-type InputProps = {
+import { FlowType } from "../../types/flow";
-  name: string | null;
-  description: string | null;
-  maxLength?: number;
-  flows: Array<{ id: string; name: string; description: string }>;
-  tabId: string;
-  invalidName: boolean;
-  setInvalidName: (invalidName: boolean) => void;
-  setName: (name: string) => void;
-  setDescription: (description: string) => void;
-  updateFlow: (flow: { id: string; name: string }) => void;
-};
 
 export const EditFlowSettings: React.FC<InputProps> = ({
   name,
@@ -27,13 +16,12 @@ export const EditFlowSettings: React.FC<InputProps> = ({
   tabId,
   setName,
   setDescription,
-  updateFlow,
+}: InputProps): JSX.Element => {
-}) => {
   const [isMaxLength, setIsMaxLength] = useState(false);
-  const nameLists = useRef([]);
+  const nameLists = useRef<string[]>([]);
   useEffect(() => {
     readFlowsFromDatabase().then((flows) => {
-      flows.forEach((flow) => {
+      flows.forEach((flow: FlowType) => {
         nameLists.current.push(flow.name);
       });
     });
@@ -46,21 +34,34 @@ export const EditFlowSettings: React.FC<InputProps> = ({
     } else {
       setIsMaxLength(false);
     }
+    if (invalidName !== undefined) {
       if (!nameLists.current.includes(value)) {
         setInvalidName(false);
       } else {
         setInvalidName(true);
       }
+    }
+    if (!nameLists.current.includes(value)) {
+      setInvalidName!(false);
+    } else {
+      setInvalidName!(true);
+    }
     setName(value);
+    setCurrentName(value);
   };
 
-  const [desc, setDesc] = useState(
+  const [currentName, setCurrentName] = useState(name);
-    flows.find((flow) => flow.id === tabId).description
+
-  );
+  const [currentDescription, setCurrentDescription] = useState(description);
+
+  useEffect(() => {
+    setCurrentName(name);
+    setCurrentDescription(description);
+  }, [name, description]);
 
   const handleDescriptionChange = (event: ChangeEvent<HTMLTextAreaElement>) => {
-    flows.find((flow) => flow.id === tabId).description = event.target.value;
+    flows.find((f) => f.id === tabId).description = event.target.value;
-    setDesc(flows.find((flow) => flow.id === tabId).description);
+    setCurrentDescription(flows.find((f) => f.id === tabId).description);
     setDescription(event.target.value);
   };
 
@@ -81,7 +82,7 @@ export const EditFlowSettings: React.FC<InputProps> = ({
           onChange={handleNameChange}
           type="text"
           name="name"
-          value={name ?? ""}
+          value={currentName ?? ""}
           placeholder="File name"
           id="name"
           maxLength={maxLength}
@@ -96,7 +97,7 @@ export const EditFlowSettings: React.FC<InputProps> = ({
           name="description"
           id="description"
           onChange={handleDescriptionChange}
-          value={desc}
+          value={currentDescription}
           placeholder="Flow description"
           className="mt-2 max-h-[100px] font-normal"
           rows={3}

src/frontend/src/components/RadialProgress/index.tsx

@@ -3,16 +3,16 @@ import { RadialProgressType } from "../../types/components";
 export default function RadialProgressComponent({
   value,
   color,
-}: RadialProgressType) {
+}: RadialProgressType): JSX.Element {
   const style = {
-    "--value": value * 100,
+    "--value": value! * 100,
     "--size": "1.5rem",
     "--thickness": "2px",
   } as React.CSSProperties;
 
   return (
     <div className={"radial-progress " + color} style={style}>
-      <strong className="text-[8px]">{Math.trunc(value * 100)}%</strong>
+      <strong className="text-[8px]">{Math.trunc(value! * 100)}%</strong>
     </div>
   );
 }

src/frontend/src/components/ReactTooltipComponent/index.tsx

@@ -3,20 +3,9 @@ import type { FC } from "react";
 import React from "react";
 import { Tooltip as ReactTooltip } from "react-tooltip";
 import "react-tooltip/dist/react-tooltip.css";
+import { TooltipProps } from "../../types/components";
 import { classNames } from "../../utils/utils";
 
-type TooltipProps = {
-  selector: string;
-  content?: string;
-  disabled?: boolean;
-  htmlContent?: React.ReactNode;
-  className?: string; // This should use !impornant to override the default styles eg: '!bg-white'
-  position?: "top" | "right" | "bottom" | "left";
-  clickable?: boolean;
-  children: React.ReactNode;
-  delayShow?: number;
-};
-
 const TooltipReact: FC<TooltipProps> = ({
   selector,
   content,
@@ -27,7 +16,7 @@ const TooltipReact: FC<TooltipProps> = ({
   className,
   clickable,
   delayShow,
-}) => {
+}: TooltipProps): JSX.Element => {
   return (
     <div className="tooltip-container">
       {React.cloneElement(children as React.ReactElement, {
@@ -38,7 +27,7 @@ const TooltipReact: FC<TooltipProps> = ({
         content={content}
         className={classNames(
           "z-[9999] !bg-white !text-xs !font-normal !text-foreground !opacity-100 !shadow-md",
-          className
+          className!
         )}
         place={position}
         clickable={clickable}

src/frontend/src/components/SanitizedHTMLWrapper/index.tsx

@@ -1,11 +1,12 @@
 import DOMPurify from "dompurify";
+import { SanitizedHTMLWrapperType } from "../../types/components";
 
 const SanitizedHTMLWrapper = ({
   className,
   content,
   onClick,
   suppressWarning = false,
-}) => {
+}: SanitizedHTMLWrapperType): JSX.Element => {
   const sanitizedHTML = DOMPurify.sanitize(content);
 
   return (

src/frontend/src/components/ShadTooltipComponent/index.tsx

@@ -8,7 +8,7 @@ export default function ShadTooltip({
   children,
   styleClasses,
   delayDuration = 500,
-}: ShadToolTipType) {
+}: ShadToolTipType): JSX.Element {
   return (
     <Tooltip delayDuration={delayDuration}>
       <TooltipTrigger asChild={asChild}>{children}</TooltipTrigger>

src/frontend/src/components/TooltipComponent/index.tsx

@@ -5,7 +5,7 @@ export default function Tooltip({
   children,
   title,
   placement,
-}: TooltipComponentType) {
+}: TooltipComponentType): JSX.Element {
   return (
     <LightTooltip placement={placement} title={title} arrow>
       {children}

src/frontend/src/components/cardComponent/index.tsx

@@ -1,6 +1,6 @@
 import { useContext } from "react";
 import { TabsContext } from "../../contexts/tabsContext";
-import { FlowType } from "../../types/flow";
+import { cardComponentPropsType } from "../../types/components";
 import { gradients } from "../../utils/styleUtils";
 import IconComponent from "../genericIconComponent";
 import {
@@ -16,12 +16,7 @@ export const CardComponent = ({
   id,
   onDelete,
   button,
-}: {
+}: cardComponentPropsType): JSX.Element => {
-  flow: FlowType;
-  id: string;
-  onDelete?: () => void;
-  button?: JSX.Element;
-}) => {
   const { removeFlow } = useContext(TabsContext);
 
   return (

src/frontend/src/components/chatComponent/buildTrigger/index.tsx

@@ -8,6 +8,8 @@ import { postBuildInit } from "../../../controllers/API";
 import { FlowType } from "../../../types/flow";
 
 import { TabsContext } from "../../../contexts/tabsContext";
+import { parsedDataType } from "../../../types/components";
+import { TabsState } from "../../../types/tabs";
 import { validateNodes } from "../../../utils/reactflowUtils";
 import RadialProgressComponent from "../../RadialProgress";
 import IconComponent from "../../genericIconComponent";
@@ -21,7 +23,7 @@ export default function BuildTrigger({
   flow: FlowType;
   setIsBuilt: any;
   isBuilt: boolean;
-}) {
+}): JSX.Element {
   const { updateSSEData, isBuilding, setIsBuilding, sseData } = useSSE();
   const { reactFlowInstance } = useContext(typesContext);
   const { setTabsState } = useContext(TabsContext);
@@ -30,12 +32,12 @@ export default function BuildTrigger({
   const eventClick = isBuilding ? "pointer-events-none" : "";
   const [progress, setProgress] = useState(0);
 
-  async function handleBuild(flow: FlowType) {
+  async function handleBuild(flow: FlowType): Promise<void> {
     try {
       if (isBuilding) {
         return;
       }
-      const errors = validateNodes(reactFlowInstance);
+      const errors = validateNodes(reactFlowInstance!);
       if (errors.length > 0) {
         setErrorData({
           title: "Oops! Looks like you missed something",
@@ -69,7 +71,7 @@ export default function BuildTrigger({
     const response = await postBuildInit(flow);
     const { flowId } = response.data;
     // Step 2: Use the session ID to establish an SSE connection using EventSource
-    let validationResults = [];
+    let validationResults: boolean[] = [];
     let finished = false;
     const apiUrl = `/api/v1/build/stream/${flowId}`;
     const eventSource = new EventSource(apiUrl);
@@ -91,7 +93,8 @@ export default function BuildTrigger({
         // If the event is a log, log it
         setSuccessData({ title: parsedData.log });
       } else if (parsedData.input_keys !== undefined) {
-        setTabsState((old) => {
+        //@ts-ignore
+        setTabsState((old: TabsState) => {
           return {
             ...old,
             [flowId]: {
@@ -120,13 +123,13 @@ export default function BuildTrigger({
     // Step 3: Wait for the stream to finish
     while (!finished) {
       await new Promise((resolve) => setTimeout(resolve, 100));
-      finished = validationResults.length === flow.data.nodes.length;
+      finished = validationResults.length === flow.data!.nodes.length;
     }
     // Step 4: Return true if all nodes are valid, false otherwise
     return validationResults.every((result) => result);
   }
 
-  function processStreamResult(parsedData) {
+  function processStreamResult(parsedData: parsedDataType) {
     // Process each chunk of data here
     // Parse the chunk and update the context
     try {

src/frontend/src/components/chatComponent/chatTrigger/index.tsx

@@ -8,12 +8,18 @@ import {
   FLOW_NOT_BUILT_TITLE,
 } from "../../../constants/constants";
 import { alertContext } from "../../../contexts/alertContext";
+import { chatTriggerPropType } from "../../../types/components";
 import IconComponent from "../../genericIconComponent";
 
-export default function ChatTrigger({ open, setOpen, isBuilt, canOpen }) {
+export default function ChatTrigger({
+  open,
+  setOpen,
+  isBuilt,
+  canOpen,
+}: chatTriggerPropType): JSX.Element {
   const { setErrorData } = useContext(alertContext);
 
-  function handleClick() {
+  function handleClick(): void {
     if (isBuilt) {
       if (canOpen) {
         setOpen(true);

src/frontend/src/components/chatComponent/index.tsx

@@ -10,7 +10,7 @@ import { getBuildStatus } from "../../controllers/API";
 import FormModal from "../../modals/formModal";
 import { NodeType } from "../../types/flow";
 
-export default function Chat({ flow }: ChatType) {
+export default function Chat({ flow }: ChatType): JSX.Element {
   const [open, setOpen] = useState(false);
   const [canOpen, setCanOpen] = useState(false);
   const { tabsState, isBuilt, setIsBuilt } = useContext(TabsContext);
@@ -44,11 +44,11 @@ export default function Chat({ flow }: ChatType) {
   }, [flow]);
 
   const prevNodesRef = useRef<any[] | undefined>();
-  const nodes = useNodes();
+  const nodes: NodeType[] = useNodes();
   useEffect(() => {
     const prevNodes = prevNodesRef.current;
     const currentNodes = nodes.map((node: NodeType) =>
-      _.cloneDeep(node.data.node.template)
+      _.cloneDeep(node.data.node?.template)
     );
     if (
       tabsState &&

src/frontend/src/components/codeAreaComponent/index.tsx

@@ -33,7 +33,7 @@ export default function CodeAreaComponent({
         dynamic={dynamic}
         value={myValue}
         nodeClass={nodeClass}
-        setNodeClass={setNodeClass}
+        setNodeClass={setNodeClass!}
         setValue={(value: string) => {
           setMyValue(value);
           onChange(value);

src/frontend/src/components/codeTabsComponent/index.tsx

@@ -29,7 +29,7 @@ import {
   TabsTrigger,
 } from "../../components/ui/tabs";
 import { darkContext } from "../../contexts/darkContext";
-import { FlowType } from "../../types/flow/index";
+import { codeTabsPropsType } from "../../types/components";
 import { classNames } from "../../utils/utils";
 import IconComponent from "../genericIconComponent";
 
@@ -40,28 +40,15 @@ export default function CodeTabsComponent({
   setActiveTab,
   isMessage,
   tweaks,
-}: {
+}: codeTabsPropsType) {
-  flow?: FlowType;
-  tabs: any;
-  activeTab: string;
-  setActiveTab: any;
-  isMessage?: boolean;
-  tweaks?: {
-    tweak?: any;
-    tweaksList?: any;
-    buildContent?: any;
-    getValue?: any;
-    buildTweakObject?: any;
-  };
-}) {
   const [isCopied, setIsCopied] = useState<Boolean>(false);
-  const [data, setData] = useState(flow ? flow["data"]["nodes"] : null);
+  const [data, setData] = useState(flow ? flow["data"]!["nodes"] : null);
-  const [openAccordion, setOpenAccordion] = useState([]);
+  const [openAccordion, setOpenAccordion] = useState<string[]>([]);
   const { dark } = useContext(darkContext);
 
   useEffect(() => {
-    if (flow && flow["data"]["nodes"]) {
+    if (flow && flow["data"]!["nodes"]) {
-      setData(flow["data"]["nodes"]);
+      setData(flow["data"]!["nodes"]);
     }
   }, [flow]);
 
@@ -102,8 +89,8 @@ export default function CodeTabsComponent({
   };
 
   function openAccordions() {
-    let accordionsToOpen = [];
+    let accordionsToOpen: string[] = [];
-    tweaks.tweak.current.forEach((el) => {
+    tweaks?.tweak!.current.forEach((el) => {
       Object.keys(el).forEach((key) => {
         if (Object.keys(el[key]).length > 0) {
           accordionsToOpen.push(key);
@@ -205,9 +192,9 @@ export default function CodeTabsComponent({
                       : "overflow-hidden"
                   )}
                 >
-                  {data.map((node: any, index) => (
+                  {data?.map((node: any, index) => (
                     <div className="px-3" key={index}>
-                      {tweaks.tweaksList.current.includes(
+                      {tweaks?.tweaksList!.current.includes(
                         node["data"]["id"]
                       ) && (
                         <AccordionComponent
@@ -290,14 +277,14 @@ export default function CodeTabsComponent({
                                                       setData((old) => {
                                                         let newInputList =
                                                           cloneDeep(old);
-                                                        newInputList[
+                                                        newInputList![
                                                           index
                                                         ].data.node.template[
                                                           templateField
                                                         ].value = target;
                                                         return newInputList;
                                                       });
-                                                      tweaks.buildTweakObject(
+                                                      tweaks.buildTweakObject!(
                                                         node["data"]["id"],
                                                         target,
                                                         node.data.node.template[
@@ -310,7 +297,7 @@ export default function CodeTabsComponent({
                                                     templateField
                                                   ].multiline ? (
                                                   <ShadTooltip
-                                                    content={tweaks.buildContent(
+                                                    content={tweaks.buildContent!(
                                                       node.data.node.template[
                                                         templateField
                                                       ].value
@@ -339,14 +326,14 @@ export default function CodeTabsComponent({
                                                           setData((old) => {
                                                             let newInputList =
                                                               cloneDeep(old);
-                                                            newInputList[
+                                                            newInputList![
                                                               index
                                                             ].data.node.template[
                                                               templateField
                                                             ].value = target;
                                                             return newInputList;
                                                           });
-                                                          tweaks.buildTweakObject(
+                                                          tweaks.buildTweakObject!(
                                                             node["data"]["id"],
                                                             target,
                                                             node.data.node
@@ -384,14 +371,14 @@ export default function CodeTabsComponent({
                                                       setData((old) => {
                                                         let newInputList =
                                                           cloneDeep(old);
-                                                        newInputList[
+                                                        newInputList![
                                                           index
                                                         ].data.node.template[
                                                           templateField
                                                         ].value = target;
                                                         return newInputList;
                                                       });
-                                                      tweaks.buildTweakObject(
+                                                      tweaks.buildTweakObject!(
                                                         node["data"]["id"],
                                                         target,
                                                         node.data.node.template[
@@ -417,14 +404,14 @@ export default function CodeTabsComponent({
                                                     setData((old) => {
                                                       let newInputList =
                                                         cloneDeep(old);
-                                                      newInputList[
+                                                      newInputList![
                                                         index
                                                       ].data.node.template[
                                                         templateField
                                                       ].value = e;
                                                       return newInputList;
                                                     });
-                                                    tweaks.buildTweakObject(
+                                                    tweaks.buildTweakObject!(
                                                       node["data"]["id"],
                                                       e,
                                                       node.data.node.template[
@@ -440,7 +427,7 @@ export default function CodeTabsComponent({
                                                 templateField
                                               ].type === "file" ? (
                                               <ShadTooltip
-                                                content={tweaks.buildContent(
+                                                content={tweaks.buildContent!(
                                                   !node.data.node.template[
                                                     templateField
                                                   ].value ||
@@ -508,14 +495,14 @@ export default function CodeTabsComponent({
                                                     setData((old) => {
                                                       let newInputList =
                                                         cloneDeep(old);
-                                                      newInputList[
+                                                      newInputList![
                                                         index
                                                       ].data.node.template[
                                                         templateField
                                                       ].value = target;
                                                       return newInputList;
                                                     });
-                                                    tweaks.buildTweakObject(
+                                                    tweaks.buildTweakObject!(
                                                       node["data"]["id"],
                                                       target,
                                                       node.data.node.template[
@@ -544,14 +531,14 @@ export default function CodeTabsComponent({
                                                     setData((old) => {
                                                       let newInputList =
                                                         cloneDeep(old);
-                                                      newInputList[
+                                                      newInputList![
                                                         index
                                                       ].data.node.template[
                                                         templateField
                                                       ].value = target;
                                                       return newInputList;
                                                     });
-                                                    tweaks.buildTweakObject(
+                                                    tweaks.buildTweakObject!(
                                                       node["data"]["id"],
                                                       target,
                                                       node.data.node.template[
@@ -596,14 +583,14 @@ export default function CodeTabsComponent({
                                                     setData((old) => {
                                                       let newInputList =
                                                         cloneDeep(old);
-                                                      newInputList[
+                                                      newInputList![
                                                         index
                                                       ].data.node.template[
                                                         templateField
                                                       ].value = target;
                                                       return newInputList;
                                                     });
-                                                    tweaks.buildTweakObject(
+                                                    tweaks.buildTweakObject!(
                                                       node["data"]["id"],
                                                       target,
                                                       node.data.node.template[
@@ -617,7 +604,7 @@ export default function CodeTabsComponent({
                                                 templateField
                                               ].type === "prompt" ? (
                                               <ShadTooltip
-                                                content={tweaks.buildContent(
+                                                content={tweaks.buildContent!(
                                                   !node.data.node.template[
                                                     templateField
                                                   ].value ||
@@ -651,14 +638,14 @@ export default function CodeTabsComponent({
                                                       setData((old) => {
                                                         let newInputList =
                                                           cloneDeep(old);
-                                                        newInputList[
+                                                        newInputList![
                                                           index
                                                         ].data.node.template[
                                                           templateField
                                                         ].value = target;
                                                         return newInputList;
                                                       });
-                                                      tweaks.buildTweakObject(
+                                                      tweaks.buildTweakObject!(
                                                         node["data"]["id"],
                                                         target,
                                                         node.data.node.template[
@@ -673,8 +660,8 @@ export default function CodeTabsComponent({
                                                 templateField
                                               ].type === "code" ? (
                                               <ShadTooltip
-                                                content={tweaks.buildContent(
+                                                content={tweaks.buildContent!(
-                                                  tweaks.getValue(
+                                                  tweaks.getValue!(
                                                     node.data.node.template[
                                                       templateField
                                                     ].value,
@@ -706,14 +693,14 @@ export default function CodeTabsComponent({
                                                       setData((old) => {
                                                         let newInputList =
                                                           cloneDeep(old);
-                                                        newInputList[
+                                                        newInputList![
                                                           index
                                                         ].data.node.template[
                                                           templateField
                                                         ].value = target;
                                                         return newInputList;
                                                       });
-                                                      tweaks.buildTweakObject(
+                                                      tweaks.buildTweakObject!(
                                                         node["data"]["id"],
                                                         target,
                                                         node.data.node.template[
@@ -742,7 +729,7 @@ export default function CodeTabsComponent({
                         </AccordionComponent>
                       )}
 
-                      {tweaks.tweaksList.current.length === 0 && (
+                      {tweaks?.tweaksList!.current.length === 0 && (
                         <>
                           <div className="pt-3">
                             No tweaks are available for this flow.

src/frontend/src/components/dropdownComponent/index.tsx

@@ -11,7 +11,7 @@ export default function Dropdown({
   editNode = false,
   numberOfOptions = 0,
   apiModal = false,
-}: DropDownComponentType) {
+}: DropDownComponentType): JSX.Element {
   let [internalValue, setInternalValue] = useState(
     value === "" || !value ? "Choose an option" : value
   );

src/frontend/src/components/floatComponent/index.tsx

@@ -1,5 +1,6 @@
 import { useEffect } from "react";
 import { FloatComponentType } from "../../types/components";
+import { handleKeyDown } from "../../utils/reactflowUtils";
 import { Input } from "../ui/input";
 
 export default function FloatComponent({
@@ -7,7 +8,7 @@ export default function FloatComponent({
   onChange,
   disabled,
   editNode = false,
-}: FloatComponentType) {
+}: FloatComponentType): JSX.Element {
   const step = 0.1;
   const min = 0;
   const max = 1;
@@ -43,6 +44,9 @@ export default function FloatComponent({
         onChange={(event) => {
           onChange(event.target.value);
         }}
+        onKeyDown={(e) => {
+          handleKeyDown(e, value, "0");
+        }}
       />
     </div>
   );

src/frontend/src/components/headerComponent/components/menuBar/index.tsx

@@ -12,10 +12,11 @@ import { Link, useNavigate } from "react-router-dom";
 import { alertContext } from "../../../../contexts/alertContext";
 import { undoRedoContext } from "../../../../contexts/undoRedoContext";
 import FlowSettingsModal from "../../../../modals/flowSettingsModal";
+import { menuBarPropsType } from "../../../../types/components";
 import IconComponent from "../../../genericIconComponent";
 import { Button } from "../../../ui/button";
 
-export const MenuBar = ({ flows, tabId }) => {
+export const MenuBar = ({ flows, tabId }: menuBarPropsType): JSX.Element => {
   const { addFlow } = useContext(TabsContext);
   const { setErrorData } = useContext(alertContext);
   const { undo, redo } = useContext(undoRedoContext);
@@ -25,12 +26,12 @@ export const MenuBar = ({ flows, tabId }) => {
 
   function handleAddFlow() {
     try {
-      addFlow(null, true).then((id) => {
+      addFlow(undefined, true).then((id) => {
         navigate("/flow/" + id);
       });
       // saveFlowStyleInDataBase();
     } catch (err) {
-      setErrorData(err);
+      setErrorData(err as { title: string; list?: Array<string> });
     }
   }
   let current_flow = flows.find((flow) => flow.id === tabId);
@@ -45,7 +46,9 @@ export const MenuBar = ({ flows, tabId }) => {
           <DropdownMenuTrigger asChild>
             <Button asChild variant="primary" size="sm">
               <div className="header-menu-bar-display">
-                <div className="header-menu-flow-name">{current_flow.name}</div>
+                <div className="header-menu-flow-name">
+                  {current_flow!.name}
+                </div>
                 <IconComponent name="ChevronDown" className="h-4 w-4" />
               </div>
             </Button>

src/frontend/src/components/headerComponent/index.tsx

@@ -13,7 +13,7 @@ import { Button } from "../ui/button";
 import { Separator } from "../ui/separator";
 import MenuBar from "./components/menuBar";
 
-export default function Header() {
+export default function Header(): JSX.Element {
   const { flows, tabId } = useContext(TabsContext);
   const { dark, setDark } = useContext(darkContext);
   const { notificationCenter } = useContext(alertContext);

src/frontend/src/components/inputComponent/index.tsx

@@ -1,6 +1,7 @@
 import * as Form from "@radix-ui/react-form";
 import { useEffect, useState } from "react";
 import { InputComponentType } from "../../types/components";
+import { handleKeyDown } from "../../utils/reactflowUtils";
 import { classNames } from "../../utils/utils";
 import { Input } from "../ui/input";
 
@@ -14,7 +15,7 @@ export default function InputComponent({
   editNode = false,
   placeholder = "Type something...",
   className,
-}: InputComponentType) {
+}: InputComponentType): JSX.Element {
   const [pwdVisible, setPwdVisible] = useState(false);
 
   // Clear component state
@@ -39,12 +40,15 @@ export default function InputComponent({
               editNode ? " input-edit-node " : "",
               password && editNode ? "pr-8" : "",
               password && !editNode ? "pr-10" : "",
-              className
+              className!
             )}
             placeholder={password && editNode ? "Key" : placeholder}
             onChange={(e) => {
               onChange(e.target.value);
             }}
+            onKeyDown={(e) => {
+              handleKeyDown(e, value, "");
+            }}
           />
         </Form.Control>
       ) : (
@@ -59,12 +63,15 @@ export default function InputComponent({
             editNode ? " input-edit-node " : "",
             password && editNode ? "pr-8" : "",
             password && !editNode ? "pr-10" : "",
-            className
+            className!
           )}
           placeholder={password && editNode ? "Key" : placeholder}
           onChange={(e) => {
             onChange(e.target.value);
           }}
+          onKeyDown={(e) => {
+            handleKeyDown(e, value, "");
+          }}
         />
       )}
       {password && (

src/frontend/src/components/inputFileComponent/index.tsx

@@ -13,7 +13,7 @@ export default function InputFileComponent({
   fileTypes,
   onFileChange,
   editNode = false,
-}: FileComponentType) {
+}: FileComponentType): JSX.Element {
   const [myValue, setMyValue] = useState(value);
   const [loading, setLoading] = useState(false);
   const { setErrorData } = useContext(alertContext);
@@ -41,7 +41,7 @@ export default function InputFileComponent({
     setMyValue(value);
   }, [value]);
 
-  const handleButtonClick = () => {
+  const handleButtonClick = (): void => {
     // Create a file input element
     const input = document.createElement("input");
     input.type = "file";
@@ -49,7 +49,7 @@ export default function InputFileComponent({
     input.style.display = "none"; // Hidden from view
     input.multiple = false; // Allow only one file selection
 
-    input.onchange = (event: Event) => {
+    input.onchange = (event: Event): void => {
       setLoading(true);
 
       // Get the selected file

src/frontend/src/components/inputListComponent/index.tsx

@@ -11,7 +11,7 @@ export default function InputListComponent({
   onChange,
   disabled,
   editNode = false,
-}: InputListComponentType) {
+}: InputListComponentType): JSX.Element {
   useEffect(() => {
     if (disabled) {
       onChange([""]);
@@ -39,6 +39,12 @@ export default function InputListComponent({
                 newInputList[idx] = event.target.value;
                 onChange(newInputList);
               }}
+              onKeyDown={(e) => {
+                if (e.ctrlKey && e.key === "Backspace") {
+                  e.preventDefault();
+                  e.stopPropagation();
+                }
+              }}
             />
             {idx === value.length - 1 ? (
               <button

src/frontend/src/components/intComponent/index.tsx

@@ -1,5 +1,6 @@
 import { useEffect } from "react";
 import { FloatComponentType } from "../../types/components";
+import { handleKeyDown } from "../../utils/reactflowUtils";
 import { Input } from "../ui/input";
 
 export default function IntComponent({
@@ -7,7 +8,7 @@ export default function IntComponent({
   onChange,
   disabled,
   editNode = false,
-}: FloatComponentType) {
+}: FloatComponentType): JSX.Element {
   const min = 0;
 
   // Clear component state
@@ -37,6 +38,7 @@ export default function IntComponent({
           ) {
             event.preventDefault();
           }
+          handleKeyDown(event, value, "0");
         }}
         type="number"
         step="1"

src/frontend/src/components/loadingComponent/index.tsx

@@ -1,8 +1,8 @@
-type LoadingComponentProps = {
+import { LoadingComponentProps } from "../../types/components";
-  remSize: number;
-};
 
-export default function LoadingComponent({ remSize }: LoadingComponentProps) {
+export default function LoadingComponent({
+  remSize,
+}: LoadingComponentProps): JSX.Element {
   return (
     <div role="status" className="m-auto w-min">
       <svg

src/frontend/src/components/promptComponent/index.tsx

@@ -14,7 +14,7 @@ export default function PromptAreaComponent({
   onChange,
   disabled,
   editNode = false,
-}: TextAreaComponentType) {
+}: TextAreaComponentType): JSX.Element {
   useEffect(() => {
     if (disabled) {
       onChange("");
@@ -23,9 +23,9 @@ export default function PromptAreaComponent({
 
   useEffect(() => {
     if (value !== "" && !editNode) {
-      postValidatePrompt(field_name, value, nodeClass).then((apiReturn) => {
+      postValidatePrompt(field_name!, value, nodeClass!).then((apiReturn) => {
         if (apiReturn.data) {
-          setNodeClass(apiReturn.data.frontend_node);
+          setNodeClass!(apiReturn.data.frontend_node);
           // need to update reactFlowInstance to re-render the nodes.
         }
       });

src/frontend/src/components/textAreaComponent/index.tsx

@@ -10,7 +10,7 @@ export default function TextAreaComponent({
   onChange,
   disabled,
   editNode = false,
-}: TextAreaComponentType) {
+}: TextAreaComponentType): JSX.Element {
   // Clear text area
   useEffect(() => {
     if (disabled) {

src/frontend/src/components/toggleComponent/index.tsx

@@ -7,7 +7,7 @@ export default function ToggleComponent({
   enabled,
   setEnabled,
   disabled,
-}: ToggleComponentType) {
+}: ToggleComponentType): JSX.Element {
   // set component state as disabled
   useEffect(() => {
     if (disabled) {

src/frontend/src/components/toggleShadComponent/index.tsx

@@ -6,7 +6,7 @@ export default function ToggleShadComponent({
   setEnabled,
   disabled,
   size,
-}: ToggleComponentType) {
+}: ToggleComponentType): JSX.Element {
   let scaleX, scaleY;
   switch (size) {
     case "small":

src/frontend/src/components/ui/rename-label.tsx

@@ -23,14 +23,14 @@ export default function RenameLabel(props) {
       });
       if (inputRef.current) {
         setTimeout(() => {
-          inputRef.current.focus();
+          inputRef.current?.focus();
         }, 100);
       }
     }
     resizeInput();
   }, [isRename]);
 
-  const inputRef = useRef(null);
+  const inputRef = useRef<HTMLInputElement | null>(null);
 
   const resizeInput = () => {
     const input = inputRef.current;

src/frontend/src/constants/constants.ts

@@ -29,6 +29,7 @@ export const INVALID_CHARACTERS = [
  */
 
 export const regexHighlight = /\{([^}]+)\}/g;
+export const specialCharsRegex = /[!@#$%^&*()\-_=+[\]{}|;:'",.<>/?\\`´]/;
 
 export const programmingLanguages: languageMap = {
   javascript: ".js",
@@ -510,6 +511,8 @@ export const URL_EXCLUDED_FROM_ERROR_RETRIES = [
   "http://localhost:7860/login",
 ];
 
+export const skipNodeUpdate = ["CustomComponent"];
+
 export const CONTROL_INPUT_STATE = {
   password: "",
   cnfPassword: "",

src/frontend/src/contexts/alertContext.tsx

@@ -1,34 +1,15 @@
 import { createContext, ReactNode, useState } from "react";
 import { AlertItemType } from "../types/alerts";
+import { alertContextType } from "../types/typesContext";
 
 import _ from "lodash";
 
-//types for alertContextType
-type alertContextType = {
-  errorData: { title: string; list?: Array<string> };
-  setErrorData: (newState: { title: string; list?: Array<string> }) => void;
-  errorOpen: boolean;
-  setErrorOpen: (newState: boolean) => void;
-  noticeData: { title: string; link?: string };
-  setNoticeData: (newState: { title: string; link?: string }) => void;
-  noticeOpen: boolean;
-  setNoticeOpen: (newState: boolean) => void;
-  successData: { title: string };
-  setSuccessData: (newState: { title: string }) => void;
-  successOpen: boolean;
-  setSuccessOpen: (newState: boolean) => void;
-  notificationCenter: boolean;
-  setNotificationCenter: (newState: boolean) => void;
-  notificationList: Array<AlertItemType>;
-  pushNotificationList: (Object: AlertItemType) => void;
-  clearNotificationList: () => void;
-  removeFromNotificationList: (index: string) => void;
-};
-
 //initial values to alertContextType
 const initialValue: alertContextType = {
   errorData: { title: "", list: [] },
   setErrorData: () => {},
+  loading: true,
+  setLoading: () => {},
   errorOpen: false,
   setErrorOpen: () => {},
   noticeData: { title: "", link: "" },
@@ -55,6 +36,7 @@ export function AlertProvider({ children }: { children: ReactNode }) {
     list?: Array<string>;
   }>({ title: "", list: [] });
   const [errorOpen, setErrorOpen] = useState(false);
+  const [loading, setLoading] = useState(true);
   const [noticeData, setNoticeDataState] = useState<{
     title: string;
     link?: string;
@@ -65,7 +47,7 @@ export function AlertProvider({ children }: { children: ReactNode }) {
   });
   const [successOpen, setSuccessOpen] = useState(false);
   const [notificationCenter, setNotificationCenter] = useState(false);
-  const [notificationList, setNotificationList] = useState([]);
+  const [notificationList, setNotificationList] = useState<AlertItemType[]>([]);
   const pushNotificationList = (notification: AlertItemType) => {
     setNotificationList((old) => {
       let newNotificationList = _.cloneDeep(old);
@@ -141,6 +123,8 @@ export function AlertProvider({ children }: { children: ReactNode }) {
         removeFromNotificationList,
         clearNotificationList,
         notificationList,
+        loading,
+        setLoading,
         pushNotificationList,
         setNotificationCenter,
         notificationCenter,

src/frontend/src/contexts/authContext.tsx

@@ -28,7 +28,7 @@ export function AuthProvider({ children }): React.ReactElement {
   const [refreshToken, setRefreshToken] = useState<string | null>(null);
   const [isAuthenticated, setIsAuthenticated] = useState<boolean>(false);
   const [isAdmin, setIsAdmin] = useState<boolean>(false);
-  const [userData, setUserData] = useState<Users>(null);
+  const [userData, setUserData] = useState<Users | null>(null);
   const [autoLogin, setAutoLogin] = useState<boolean>(false);
   const cookies = new Cookies();
 

src/frontend/src/contexts/darkContext.tsx

@@ -1,9 +1,5 @@
 import { createContext, useEffect, useState } from "react";
-
+import { darkContextType } from "../types/typesContext";
-type darkContextType = {
-  dark: {};
-  setDark: (newState: {}) => void;
-};
 
 const initialValue = {
   dark: {},
@@ -14,13 +10,13 @@ export const darkContext = createContext<darkContextType>(initialValue);
 
 export function DarkProvider({ children }) {
   const [dark, setDark] = useState(
-    JSON.parse(window.localStorage.getItem("isDark")) ?? false
+    JSON.parse(window.localStorage.getItem("isDark")!) ?? false
   );
   useEffect(() => {
     if (dark) {
-      document.getElementById("body").classList.add("dark");
+      document.getElementById("body")!.classList.add("dark");
     } else {
-      document.getElementById("body").classList.remove("dark");
+      document.getElementById("body")!.classList.remove("dark");
     }
     window.localStorage.setItem("isDark", dark.toString());
   }, [dark]);

src/frontend/src/contexts/locationContext.tsx

@@ -1,34 +1,5 @@
 import { createContext, ReactNode, useState } from "react";
-
+import { locationContextType } from "../types/typesContext";
-//types for location context
-type locationContextType = {
-  current: Array<string>;
-  setCurrent: (newState: Array<string>) => void;
-  isStackedOpen: boolean;
-  setIsStackedOpen: (newState: boolean) => void;
-  showSideBar: boolean;
-  setShowSideBar: (newState: boolean) => void;
-  extraNavigation: {
-    title: string;
-    options?: Array<{
-      name: string;
-      href: string;
-      icon: any;
-      children?: Array<any>;
-    }>;
-  };
-  setExtraNavigation: (newState: {
-    title: string;
-    options?: Array<{
-      name: string;
-      href: string;
-      icon: any;
-      children?: Array<any>;
-    }>;
-  }) => void;
-  extraComponent: any;
-  setExtraComponent: (newState: any) => void;
-};
 
 //initial value for location context
 const initialValue = {

src/frontend/src/contexts/tabsContext.tsx

@@ -7,8 +7,9 @@ import {
   useRef,
   useState,
 } from "react";
-import { addEdge } from "reactflow";
+import { Edge, Node, ReactFlowJsonObject, addEdge } from "reactflow";
 import ShortUniqueId from "short-unique-id";
+import { skipNodeUpdate } from "../constants/constants";
 import {
   deleteFlowFromDatabase,
   downloadFlowsFromDatabase,
@@ -18,8 +19,9 @@ import {
   uploadFlowsToDatabase,
 } from "../controllers/API";
 import { APIClassType, APITemplateType } from "../types/api";
-import { FlowType, NodeType } from "../types/flow";
+import { tweakType } from "../types/components";
-import { TabsContextType, TabsState } from "../types/tabs";
+import { FlowType, NodeDataType, NodeType } from "../types/flow";
+import { TabsContextType, TabsState, errorsVarType } from "../types/tabs";
 import {
   addVersionToDuplicates,
   updateIds,
@@ -73,9 +75,12 @@ export function TabsProvider({ children }: { children: ReactNode }) {
   const [flows, setFlows] = useState<Array<FlowType>>([]);
   const [id, setId] = useState(uid());
   const { templates, reactFlowInstance } = useContext(typesContext);
-  const [lastCopiedSelection, setLastCopiedSelection] = useState(null);
+  const [lastCopiedSelection, setLastCopiedSelection] = useState<{
+    nodes: any;
+    edges: any;
+  } | null>(null);
   const [tabsState, setTabsState] = useState<TabsState>({});
-  const [getTweak, setTweak] = useState([]);
+  const [getTweak, setTweak] = useState<tweakType>([]);
 
   const newNodeId = useRef(uid());
   function incrementNodeId() {
@@ -130,8 +135,8 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     //get tabs from db
     return readFlowsFromDatabase();
   }
-  function processDBData(DbData) {
+  function processDBData(DbData: FlowType[]) {
-    DbData.forEach((flow) => {
+    DbData.forEach((flow: FlowType) => {
       try {
         if (!flow.data) {
           return;
@@ -144,7 +149,7 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     });
   }
 
-  function processFlowEdges(flow) {
+  function processFlowEdges(flow: FlowType) {
     if (!flow.data || !flow.data.edges) return;
     flow.data.edges.forEach((edge) => {
       edge.className = "";
@@ -153,16 +158,17 @@ export function TabsProvider({ children }: { children: ReactNode }) {
   }
 
   function updateDisplay_name(node: NodeType, template: APIClassType) {
-    node.data.node.display_name = template["display_name"] || node.data.type;
+    node.data.node!.display_name = template["display_name"] || node.data.type;
   }
 
   function updateNodeDocumentation(node: NodeType, template: APIClassType) {
-    node.data.node.documentation = template["documentation"];
+    node.data.node!.documentation = template["documentation"];
   }
 
-  function processFlowNodes(flow) {
+  function processFlowNodes(flow: FlowType) {
     if (!flow.data || !flow.data.nodes) return;
     flow.data.nodes.forEach((node: NodeType) => {
+      if (skipNodeUpdate.includes(node.data.type)) return;
       const template = templates[node.data.type];
       if (!template) {
         setErrorData({ title: `Unknown node type: ${node.data.type}` });
@@ -180,7 +186,7 @@ export function TabsProvider({ children }: { children: ReactNode }) {
   }
 
   function updateNodeBaseClasses(node: NodeType, template: APIClassType) {
-    node.data.node.base_classes = template["base_classes"];
+    node.data.node!.base_classes = template["base_classes"];
   }
 
   function updateNodeEdges(
@@ -188,10 +194,10 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     node: NodeType,
     template: APIClassType
   ) {
-    flow.data.edges.forEach((edge) => {
+    flow.data!.edges.forEach((edge) => {
       if (edge.source === node.id) {
         edge.sourceHandle = edge.sourceHandle
-          .split("|")
+          ?.split("|")
           .slice(0, 2)
           .concat(template["base_classes"])
           .join("|");
@@ -200,17 +206,17 @@ export function TabsProvider({ children }: { children: ReactNode }) {
   }
 
   function updateNodeDescription(node: NodeType, template: APIClassType) {
-    node.data.node.description = template["description"];
+    node.data.node!.description = template["description"];
   }
 
   function updateNodeTemplate(node: NodeType, template: APIClassType) {
-    node.data.node.template = updateTemplate(
+    node.data.node!.template = updateTemplate(
       template["template"] as unknown as APITemplateType,
-      node.data.node.template as APITemplateType
+      node.data.node!.template as APITemplateType
     );
   }
 
-  function updateStateWithDbData(tabsData) {
+  function updateStateWithDbData(tabsData: FlowType[]) {
     setFlows(tabsData);
   }
 
@@ -241,7 +247,7 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     link.download = `${
       flowName && flowName != ""
         ? flowName
-        : flows.find((f) => f.id === tabId).name
+        : flows.find((f) => f.id === tabId)!.name
     }.json`;
 
     // simulate a click on the link element to trigger the download
@@ -293,10 +299,10 @@ export function TabsProvider({ children }: { children: ReactNode }) {
       input.onchange = (e: Event) => {
         // check if the file type is application/json
         if (
-          (e.target as HTMLInputElement).files[0].type === "application/json"
+          (e.target as HTMLInputElement).files![0].type === "application/json"
         ) {
           // get the file from the file input
-          const currentfile = (e.target as HTMLInputElement).files[0];
+          const currentfile = (e.target as HTMLInputElement).files![0];
           // read the file as text
           currentfile.text().then((text) => {
             // parse the text into a JSON object
@@ -319,10 +325,10 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     input.onchange = (event: Event) => {
       // check if the file type is application/json
       if (
-        (event.target as HTMLInputElement).files[0].type === "application/json"
+        (event.target as HTMLInputElement).files![0].type === "application/json"
       ) {
         // get the file from the file input
-        const file = (event.target as HTMLInputElement).files[0];
+        const file = (event.target as HTMLInputElement).files![0];
         // read the file as text
         const formData = new FormData();
         formData.append("file", file);
@@ -353,15 +359,15 @@ export function TabsProvider({ children }: { children: ReactNode }) {
    */
 
   function paste(
-    selectionInstance,
+    selectionInstance: { nodes: Node[]; edges: Edge[] },
     position: { x: number; y: number; paneX?: number; paneY?: number }
   ) {
     let minimumX = Infinity;
     let minimumY = Infinity;
     let idsMap = {};
-    let nodes = reactFlowInstance.getNodes();
+    let nodes: Node<NodeDataType>[] = reactFlowInstance!.getNodes();
-    let edges = reactFlowInstance.getEdges();
+    let edges = reactFlowInstance!.getEdges();
-    selectionInstance.nodes.forEach((node) => {
+    selectionInstance.nodes.forEach((node: Node) => {
       if (node.position.y < minimumY) {
         minimumY = node.position.y;
       }
@@ -371,8 +377,8 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     });
 
     const insidePosition = position.paneX
-      ? { x: position.paneX + position.x, y: position.paneY + position.y }
+      ? { x: position.paneX + position.x, y: position.paneY! + position.y }
-      : reactFlowInstance.project({ x: position.x, y: position.y });
+      : reactFlowInstance!.project({ x: position.x, y: position.y });
 
     selectionInstance.nodes.forEach((node: NodeType) => {
       // Generate a unique node ID
@@ -384,8 +390,8 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         id: newId,
         type: "genericNode",
         position: {
-          x: insidePosition.x + node.position.x - minimumX,
+          x: insidePosition.x + node.position!.x - minimumX,
-          y: insidePosition.y + node.position.y - minimumY,
+          y: insidePosition.y + node.position!.y - minimumY,
         },
         data: {
           ..._.cloneDeep(node.data),
@@ -398,19 +404,19 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         .map((node) => ({ ...node, selected: false }))
         .concat({ ...newNode, selected: false });
     });
-    reactFlowInstance.setNodes(nodes);
+    reactFlowInstance!.setNodes(nodes);
 
     selectionInstance.edges.forEach((edge) => {
       let source = idsMap[edge.source];
       let target = idsMap[edge.target];
-      let sourceHandleSplitted = edge.sourceHandle.split("|");
+      let sourceHandleSplitted = edge.sourceHandle!.split("|");
       let sourceHandle =
         sourceHandleSplitted[0] +
         "|" +
         source +
         "|" +
         sourceHandleSplitted.slice(2).join("|");
-      let targetHandleSplitted = edge.targetHandle.split("|");
+      let targetHandleSplitted = edge.targetHandle!.split("|");
       let targetHandle =
         targetHandleSplitted.slice(0, -1).join("|") + "|" + target;
       let id =
@@ -438,21 +444,21 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         edges.map((edge) => ({ ...edge, selected: false }))
       );
     });
-    reactFlowInstance.setEdges(edges);
+    reactFlowInstance!.setEdges(edges);
   }
 
   const addFlow = async (
     flow?: FlowType,
     newProject?: Boolean
-  ): Promise<String> => {
+  ): Promise<String | undefined> => {
     if (newProject) {
-      let flowData = extractDataFromFlow(flow);
+      let flowData = extractDataFromFlow(flow!);
       if (flowData.description == "") {
         flowData.description = getRandomDescription();
       }
 
       // Create a new flow with a default name if no flow is provided.
-      const newFlow = createNewFlow(flowData, flow);
+      const newFlow = createNewFlow(flowData, flow!);
       processFlowEdges(newFlow);
       processFlowNodes(newFlow);
 
@@ -477,13 +483,13 @@ export function TabsProvider({ children }: { children: ReactNode }) {
       }
     } else {
       paste(
-        { nodes: flow.data.nodes, edges: flow.data.edges },
+        { nodes: flow!.data!.nodes, edges: flow!.data!.edges },
         { x: 10, y: 10 }
       );
     }
   };
 
-  const extractDataFromFlow = (flow) => {
+  const extractDataFromFlow = (flow: FlowType) => {
     let data = flow?.data ? flow.data : null;
     const description = flow?.description ? flow.description : "";
 
@@ -496,18 +502,19 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     return { data, description };
   };
 
-  const updateEdges = (edges) => {
+  const updateEdges = (edges: Edge[]) => {
     edges.forEach((edge) => {
       edge.className =
-        (edge.targetHandle.split("|")[0] === "Text"
+        (edge.targetHandle!.split("|")[0] === "Text"
           ? "stroke-gray-800 "
           : "stroke-gray-900 ") + " stroke-connection";
-      edge.animated = edge.targetHandle.split("|")[0] === "Text";
+      edge.animated = edge.targetHandle!.split("|")[0] === "Text";
     });
   };
 
-  const updateNodes = (nodes, edges) => {
+  const updateNodes = (nodes: Node[], edges: Edge[]) => {
     nodes.forEach((node) => {
+      if (skipNodeUpdate.includes(node.data.type)) return;
       const template = templates[node.data.type];
       if (!template) {
         setErrorData({ title: `Unknown node type: ${node.data.type}` });
@@ -517,8 +524,8 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         node.data.node.base_classes = template["base_classes"];
         edges.forEach((edge) => {
           if (edge.source === node.id) {
-            edge.sourceHandle = edge.sourceHandle
+            edge.sourceHandle = edge
-              .split("|")
+              .sourceHandle!.split("|")
               .slice(0, 2)
               .concat(template["base_classes"])
               .join("|");
@@ -533,14 +540,17 @@ export function TabsProvider({ children }: { children: ReactNode }) {
     });
   };
 
-  const createNewFlow = (flowData, flow) => ({
+  const createNewFlow = (
+    flowData: { data: ReactFlowJsonObject | null; description: string },
+    flow: FlowType
+  ) => ({
     description: flowData.description,
     name: flow?.name ?? getRandomName(),
     data: flowData.data,
     id: "",
   });
 
-  const addFlowToLocalState = (newFlow) => {
+  const addFlowToLocalState = (newFlow: FlowType) => {
     setFlows((prevState) => {
       return [...prevState, newFlow];
     });
@@ -591,7 +601,7 @@ export function TabsProvider({ children }: { children: ReactNode }) {
         });
       }
     } catch (err) {
-      setErrorData(err);
+      setErrorData(err as errorsVarType);
     }
   }
 

src/frontend/src/contexts/typesContext.tsx

@@ -1,14 +1,21 @@
-import { createContext, ReactNode, useEffect, useState } from "react";
+import {
-import { Node } from "reactflow";
+  createContext,
+  ReactNode,
+  useContext,
+  useEffect,
+  useState,
+} from "react";
+import { Node, ReactFlowInstance } from "reactflow";
 import { getAll } from "../controllers/API";
 import { APIKindType } from "../types/api";
 import { typesContextType } from "../types/typesContext";
+import { alertContext } from "./alertContext";
 
 //context to share types adn functions from nodes to flow
 
 const initialValue: typesContextType = {
   reactFlowInstance: null,
-  setReactFlowInstance: () => {},
+  setReactFlowInstance: (newState: ReactFlowInstance) => {},
   deleteNode: () => {},
   types: {},
   setTypes: () => {},
@@ -22,13 +29,15 @@ export const typesContext = createContext<typesContextType>(initialValue);
 
 export function TypesProvider({ children }: { children: ReactNode }) {
   const [types, setTypes] = useState({});
-  const [reactFlowInstance, setReactFlowInstance] = useState(null);
+  const [reactFlowInstance, setReactFlowInstance] =
+    useState<ReactFlowInstance | null>(null);
   const [templates, setTemplates] = useState({});
   const [data, setData] = useState({});
+  const { setLoading } = useContext(alertContext);
 
   useEffect(() => {
     let delay = 1000; // Start delay of 1 second
-    let intervalId = null;
+    let intervalId: NodeJS.Timer;
     let retryCount = 0; // Count of retry attempts
     const maxRetryCount = 5; // Max retry attempts
 
@@ -40,6 +49,7 @@ export function TypesProvider({ children }: { children: ReactNode }) {
         const result = await getAll();
         // Make sure to only update the state if the component is still mounted.
         if (isMounted) {
+          setLoading(false);
           setData(result.data);
           setTemplates(
             Object.keys(result.data).reduce((acc, curr) => {
@@ -69,7 +79,7 @@ export function TypesProvider({ children }: { children: ReactNode }) {
           );
         }
         // Clear the interval if successful.
-        clearInterval(intervalId);
+        clearInterval(intervalId!);
       } catch (error) {
         console.error("An error has occurred while fetching types.");
       }
@@ -77,21 +87,20 @@ export function TypesProvider({ children }: { children: ReactNode }) {
 
     // Start the initial interval.
     intervalId = setInterval(getTypes, delay);
-
     return () => {
       // This will clear the interval when the component unmounts, or when the dependencies of the useEffect hook change.
-      clearInterval(intervalId);
+      clearInterval(intervalId!);
       // Indicate that the component has been unmounted.
       isMounted = false;
     };
   }, []);
 
   function deleteNode(idx: string) {
-    reactFlowInstance.setNodes(
+    reactFlowInstance!.setNodes(
-      reactFlowInstance.getNodes().filter((node: Node) => node.id !== idx)
+      reactFlowInstance!.getNodes().filter((node: Node) => node.id !== idx)
     );
-    reactFlowInstance.setEdges(
+    reactFlowInstance!.setEdges(
-      reactFlowInstance
+      reactFlowInstance!
         .getEdges()
         .filter((edge) => edge.source !== idx && edge.target !== idx)
     );

src/frontend/src/contexts/undoRedoContext.tsx

@@ -6,26 +6,15 @@ import {
   useEffect,
   useState,
 } from "react";
-import { Edge, Node, useReactFlow } from "reactflow";
+import { useReactFlow } from "reactflow";
+import {
+  HistoryItem,
+  UseUndoRedoOptions,
+  undoRedoContextType,
+} from "../types/typesContext";
 import { isWrappedWithClass } from "../utils/utils";
 import { TabsContext } from "./tabsContext";
 
-type undoRedoContextType = {
-  undo: () => void;
-  redo: () => void;
-  takeSnapshot: () => void;
-};
-
-type UseUndoRedoOptions = {
-  maxHistorySize: number;
-  enableShortcuts: boolean;
-};
-
-type HistoryItem = {
-  nodes: Node[];
-  edges: Edge[];
-};
-
 const initialValue = {
   undo: () => {},
   redo: () => {},

src/frontend/src/controllers/API/api.tsx

@@ -36,13 +36,14 @@ function ApiInterceptor() {
             const res = await renewAccessToken(refreshToken);
             login(res.data.access_token, res.data.refresh_token);
             try {
-              const accessToken = cookies.get("access_token");
+              if (error?.config?.headers) {
                 delete error.config.headers["Authorization"];
                 error.config.headers["Authorization"] = `Bearer ${accessToken}`;
                 const response = await axios.request(error.config);
                 return response;
+              }
             } catch (error) {
-              if (error.response?.status === 401) {
+              if (axios.isAxiosError(error) && error.response?.status === 401) {
                 logout();
                 navigate("/login");
               }
@@ -103,7 +104,7 @@ function ApiInterceptor() {
 }
 
 // Function to sleep for a given duration in milliseconds
-function sleep(ms) {
+function sleep(ms: number) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }
 

src/frontend/src/controllers/API/index.ts

@@ -30,7 +30,7 @@ export async function getAll(): Promise<AxiosResponse<APIObjectType>> {
 
 const GITHUB_API_URL = "https://api.github.com";
 
-export async function getRepoStars(owner, repo) {
+export async function getRepoStars(owner: string, repo: string) {
   try {
     const response = await api.get(`${GITHUB_API_URL}/repos/${owner}/${repo}`);
     return response.data.stargazers_count;
@@ -107,7 +107,7 @@ export async function getExamples(): Promise<FlowType[]> {
 export async function saveFlowToDatabase(newFlow: {
   name: string;
   id: string;
-  data: ReactFlowJsonObject;
+  data: ReactFlowJsonObject | null;
   description: string;
   style?: FlowStyleType;
 }): Promise<FlowType> {
@@ -186,7 +186,7 @@ export async function downloadFlowsFromDatabase() {
   }
 }
 
-export async function uploadFlowsToDatabase(flows) {
+export async function uploadFlowsToDatabase(flows: FormData) {
   try {
     const response = await api.post(`/api/v1/flows/upload/`, flows);
 

src/frontend/src/icons/PowerPoint/index.tsx

@@ -1,9 +1,9 @@
 import React, { forwardRef } from "react";
-import { ReactComponent as PowerPointSVG } from "./PowerPoint.svg";
+import SvgPowerPoint from "./PowerPoint";
 
 export const PowerPointIcon = forwardRef<
   SVGSVGElement,
   React.PropsWithChildren<{}>
 >((props, ref) => {
-  return <PowerPointSVG ref={ref} {...props} />;
+  return <SvgPowerPoint ref={ref} {...props} />;
 });

src/frontend/src/modals/ApiModal/index.tsx

@@ -15,7 +15,9 @@ import CodeTabsComponent from "../../components/codeTabsComponent";
 import IconComponent from "../../components/genericIconComponent";
 import { EXPORT_CODE_DIALOG } from "../../constants/constants";
 import { TabsContext } from "../../contexts/tabsContext";
-import { FlowType } from "../../types/flow/index";
+import { TemplateVariableType } from "../../types/api";
+import { tweakType, uniqueTweakType } from "../../types/components";
+import { FlowType, NodeType } from "../../types/flow/index";
 import { buildTweaks } from "../../utils/reactflowUtils";
 import {
   getCurlCode,
@@ -41,8 +43,8 @@ const ApiModal = forwardRef(
   ) => {
     const [open, setOpen] = useState(false);
     const [activeTab, setActiveTab] = useState("0");
-    const tweak = useRef([]);
+    const tweak = useRef<tweakType>([]);
-    const tweaksList = useRef([]);
+    const tweaksList = useRef<string[]>([]);
     const { setTweak, getTweak, tabsState } = useContext(TabsContext);
     const pythonApiCode = getPythonApiCode(flow, tweak.current, tabsState);
     const curl_code = getCurlCode(flow, tweak.current, tabsState);
@@ -65,7 +67,7 @@ const ApiModal = forwardRef(
     }
 
     useEffect(() => {
-      if (flow["data"]["nodes"].length == 0) {
+      if (flow["data"]!["nodes"].length == 0) {
         startState();
       } else {
         tweak.current = [];
@@ -81,12 +83,12 @@ const ApiModal = forwardRef(
       } else {
         setTabs(tabsArray(codesArray, 1));
       }
-    }, [flow["data"]["nodes"], open]);
+    }, [flow["data"]!["nodes"], open]);
 
     function filterNodes() {
-      let arrNodesWithValues = [];
+      let arrNodesWithValues: string[] = [];
 
-      flow["data"]["nodes"].forEach((node) => {
+      flow["data"]!["nodes"].forEach((node) => {
         Object.keys(node["data"]["node"]["template"])
           .filter(
             (templateField) =>
@@ -109,11 +111,15 @@ const ApiModal = forwardRef(
         return self.indexOf(value) === index;
       });
     }
-    function buildTweakObject(tw, changes, template) {
+    function buildTweakObject(
-      if (template.type === "float") {
+      tw: string,
+      changes: string | string[] | boolean | number,
+      template: TemplateVariableType
+    ) {
+      if (typeof changes === "string" && template.type === "float") {
         changes = parseFloat(changes);
       }
-      if (template.type === "int") {
+      if (typeof changes === "string" && template.type === "int") {
         changes = parseInt(changes);
       }
       if (template.list === true && Array.isArray(changes)) {
@@ -125,7 +131,7 @@ const ApiModal = forwardRef(
       );
 
       if (existingTweak) {
-        existingTweak[tw][template["name"]] = changes;
+        existingTweak[tw][template["name"]] = changes as string;
 
         if (existingTweak[tw][template["name"]] == template.value) {
           tweak.current.forEach((element) => {
@@ -142,7 +148,7 @@ const ApiModal = forwardRef(
           [tw]: {
             [template["name"]]: changes,
           },
-        };
+        } as uniqueTweakType;
         tweak.current.push(newTweak);
       }
 
@@ -151,15 +157,15 @@ const ApiModal = forwardRef(
       const pythonCode = getPythonCode(flow, tweak.current, tabsState);
       const widgetCode = getWidgetCode(flow, tabsState);
 
-      tabs[0].code = curl_code;
+      tabs![0].code = curl_code;
-      tabs[1].code = pythonApiCode;
+      tabs![1].code = pythonApiCode;
-      tabs[2].code = pythonCode;
+      tabs![2].code = pythonCode;
-      tabs[3].code = widgetCode;
+      tabs![3].code = widgetCode;
 
       setTweak(tweak.current);
     }
 
-    function buildContent(value) {
+    function buildContent(value: string) {
       const htmlContent = (
         <div className="w-[200px]">
           <span>{value != null && value != "" ? value : "None"}</span>
@@ -168,7 +174,11 @@ const ApiModal = forwardRef(
       return htmlContent;
     }
 
-    function getValue(value, node, template) {
+    function getValue(
+      value: string,
+      node: NodeType,
+      template: TemplateVariableType
+    ) {
       let returnValue = value ?? "";
 
       if (getTweak.length > 0) {
@@ -204,7 +214,7 @@ const ApiModal = forwardRef(
         <BaseModal.Content>
           <CodeTabsComponent
             flow={flow}
-            tabs={tabs}
+            tabs={tabs!}
             activeTab={activeTab}
             setActiveTab={setActiveTab}
             tweaks={{

src/frontend/src/modals/EditNodeModal/index.tsx

@@ -25,6 +25,7 @@ import { limitScrollFieldsModal } from "../../constants/constants";
 import { TabsContext } from "../../contexts/tabsContext";
 import { typesContext } from "../../contexts/typesContext";
 import { NodeDataType } from "../../types/flow";
+import { TabsState } from "../../types/tabs";
 import { classNames } from "../../utils/utils";
 import BaseModal from "../baseModal";
 
@@ -53,19 +54,22 @@ const EditNodeModal = forwardRef(
         ?.getEdges()
         .some((edge) => edge.targetHandle === data.id) ?? false;
 
-    function changeAdvanced(templateParam) {
+    function changeAdvanced(templateParam: string): void {
       setMyData((old) => {
         let newData = cloneDeep(old);
-        newData.node.template[templateParam].advanced =
+        newData.node!.template[templateParam].advanced =
-          !newData.node.template[templateParam].advanced;
+          !newData.node!.template[templateParam].advanced;
         return newData;
       });
     }
 
-    const handleOnNewValue = (newValue: any, name) => {
+    const handleOnNewValue = (
+      newValue: string | string[] | boolean,
+      name: string
+    ) => {
       setMyData((old) => {
         let newData = cloneDeep(old);
-        newData.node.template[name].value = newValue;
+        newData.node!.template[name].value = newValue;
         return newData;
       });
     };
@@ -77,7 +81,7 @@ const EditNodeModal = forwardRef(
     return (
       <BaseModal size="large-h-full" open={modalOpen} setOpen={setModalOpen}>
         <BaseModal.Trigger>{children}</BaseModal.Trigger>
-        <BaseModal.Header description={myData.node?.description}>
+        <BaseModal.Header description={myData.node?.description!}>
           <span className="pr-2">{myData.type}</span>
           <Badge variant="secondary">ID: {myData.id}</Badge>
         </BaseModal.Header>
@@ -112,11 +116,11 @@ const EditNodeModal = forwardRef(
                       </TableRow>
                     </TableHeader>
                     <TableBody className="p-0">
-                      {Object.keys(myData.node.template)
+                      {Object.keys(myData.node!.template)
                         .filter(
                           (templateParam) =>
                             templateParam.charAt(0) !== "_" &&
-                            myData.node.template[templateParam].show &&
+                            myData.node?.template[templateParam].show &&
                             (myData.node.template[templateParam].type ===
                               "str" ||
                               myData.node.template[templateParam].type ===
@@ -135,13 +139,13 @@ const EditNodeModal = forwardRef(
                         .map((templateParam, index) => (
                           <TableRow key={index} className="h-10">
                             <TableCell className="truncate p-0 text-center text-sm text-foreground sm:px-3">
-                              {myData.node.template[templateParam].name
+                              {myData.node?.template[templateParam].name
                                 ? myData.node.template[templateParam].name
-                                : myData.node.template[templateParam]
+                                : myData.node?.template[templateParam]
                                     .display_name}
                             </TableCell>
                             <TableCell className="w-[300px] p-0 text-center text-xs text-foreground ">
-                              {myData.node.template[templateParam].type ===
+                              {myData.node?.template[templateParam].type ===
                                 "str" &&
                               !myData.node.template[templateParam].options ? (
                                 <div className="mx-auto">
@@ -171,7 +175,7 @@ const EditNodeModal = forwardRef(
                                         myData.node.template[templateParam]
                                           .value ?? ""
                                       }
-                                      onChange={(value: string) => {
+                                      onChange={(value: string | string[]) => {
                                         handleOnNewValue(value, templateParam);
                                       }}
                                     />
@@ -193,7 +197,7 @@ const EditNodeModal = forwardRef(
                                     />
                                   )}
                                 </div>
-                              ) : myData.node.template[templateParam].type ===
+                              ) : myData.node?.template[templateParam].type ===
                                 "bool" ? (
                                 <div className="ml-auto">
                                   {" "}
@@ -211,7 +215,7 @@ const EditNodeModal = forwardRef(
                                     size="small"
                                   />
                                 </div>
-                              ) : myData.node.template[templateParam].type ===
+                              ) : myData.node?.template[templateParam].type ===
                                 "float" ? (
                                 <div className="mx-auto">
                                   <FloatComponent
@@ -226,7 +230,7 @@ const EditNodeModal = forwardRef(
                                     }}
                                   />
                                 </div>
-                              ) : myData.node.template[templateParam].type ===
+                              ) : myData.node?.template[templateParam].type ===
                                   "str" &&
                                 myData.node.template[templateParam].options ? (
                                 <div className="mx-auto">
@@ -246,7 +250,7 @@ const EditNodeModal = forwardRef(
                                     }
                                   ></Dropdown>
                                 </div>
-                              ) : myData.node.template[templateParam].type ===
+                              ) : myData.node?.template[templateParam].type ===
                                 "int" ? (
                                 <div className="mx-auto">
                                   <IntComponent
@@ -261,7 +265,7 @@ const EditNodeModal = forwardRef(
                                     }}
                                   />
                                 </div>
-                              ) : myData.node.template[templateParam].type ===
+                              ) : myData.node?.template[templateParam].type ===
                                 "file" ? (
                                 <div className="mx-auto">
                                   <InputFileComponent
@@ -271,7 +275,7 @@ const EditNodeModal = forwardRef(
                                       myData.node.template[templateParam]
                                         .value ?? ""
                                     }
-                                    onChange={(value: string) => {
+                                    onChange={(value: string | string[]) => {
                                       handleOnNewValue(value, templateParam);
                                     }}
                                     fileTypes={
@@ -283,13 +287,13 @@ const EditNodeModal = forwardRef(
                                         .suffixes
                                     }
                                     onFileChange={(filePath: string) => {
-                                      data.node.template[
+                                      data.node!.template[
                                         templateParam
                                       ].file_path = filePath;
                                     }}
                                   ></InputFileComponent>
                                 </div>
-                              ) : myData.node.template[templateParam].type ===
+                              ) : myData.node?.template[templateParam].type ===
                                 "prompt" ? (
                                 <div className="mx-auto">
                                   <PromptAreaComponent
@@ -304,17 +308,17 @@ const EditNodeModal = forwardRef(
                                       myData.node.template[templateParam]
                                         .value ?? ""
                                     }
-                                    onChange={(value: string) => {
+                                    onChange={(value: string | string[]) => {
                                       handleOnNewValue(value, templateParam);
                                     }}
                                   />
                                 </div>
-                              ) : myData.node.template[templateParam].type ===
+                              ) : myData.node?.template[templateParam].type ===
                                 "code" ? (
                                 <div className="mx-auto">
                                   <CodeAreaComponent
                                     dynamic={
-                                      data.node.template[templateParam]
+                                      data.node!.template[templateParam]
                                         .dynamic ?? false
                                     }
                                     setNodeClass={(nodeClass) => {
@@ -327,12 +331,12 @@ const EditNodeModal = forwardRef(
                                       myData.node.template[templateParam]
                                         .value ?? ""
                                     }
-                                    onChange={(value: string) => {
+                                    onChange={(value: string | string[]) => {
                                       handleOnNewValue(value, templateParam);
                                     }}
                                   />
                                 </div>
-                              ) : myData.node.template[templateParam].type ===
+                              ) : myData.node?.template[templateParam].type ===
                                 "Any" ? (
                                 "-"
                               ) : (
@@ -343,7 +347,7 @@ const EditNodeModal = forwardRef(
                               <div className="items-center text-center">
                                 <ToggleShadComponent
                                   enabled={
-                                    !myData.node.template[templateParam]
+                                    !myData.node?.template[templateParam]
                                       .advanced
                                   }
                                   setEnabled={(e) =>
@@ -369,7 +373,8 @@ const EditNodeModal = forwardRef(
             className="mt-3"
             onClick={() => {
               setData(cloneDeep(myData)); //saves data with actual state of modal
-              setTabsState((prev) => {
+              //@ts-ignore
+              setTabsState((prev: TabsState) => {
                 return {
                   ...prev,
                   [tabId]: {

src/frontend/src/modals/NodeModal/components/ModalField/index.tsx

@@ -1,180 +0,0 @@
-import { useState } from "react";
-import CodeAreaComponent from "../../../../components/codeAreaComponent";
-import Dropdown from "../../../../components/dropdownComponent";
-import FloatComponent from "../../../../components/floatComponent";
-import InputComponent from "../../../../components/inputComponent";
-import InputFileComponent from "../../../../components/inputFileComponent";
-import InputListComponent from "../../../../components/inputListComponent";
-import IntComponent from "../../../../components/intComponent";
-import PromptAreaComponent from "../../../../components/promptComponent";
-import TextAreaComponent from "../../../../components/textAreaComponent";
-import ToggleComponent from "../../../../components/toggleComponent";
-import { classNames } from "../../../../utils/utils";
-
-export default function ModalField({
-  data,
-  title,
-  required,
-  id,
-  name,
-  type,
-  index,
-}) {
-  const [enabled, setEnabled] = useState(
-    data.node.template[name]?.value ?? false
-  );
-  const display =
-    type === "str" ||
-    type === "int" ||
-    type === "prompt" ||
-    type === "bool" ||
-    type === "float" ||
-    type === "file" ||
-    type === "code";
-
-  return (
-    <div
-      className={classNames(
-        "flex w-full flex-row items-center justify-between",
-        display ? "" : "hidden",
-        Object.keys(data.node.template).filter(
-          (t) =>
-            t.charAt(0) !== "_" &&
-            data.node.template[t].advanced &&
-            data.node.template[t].show
-        ).length -
-          1 ===
-          index
-          ? "pb-4"
-          : ""
-      )}
-    >
-      {display && (
-        <div>
-          <span className="mx-2">{title}</span>
-          <span className="text-status-red">{required ? " *" : ""}</span>
-        </div>
-      )}
-
-      {type === "str" && !data.node.template[name].options ? (
-        <div className="w-1/2">
-          {data.node.template[name].list ? (
-            <InputListComponent
-              disabled={false}
-              value={
-                !data.node.template[name].value ||
-                data.node.template[name].value === ""
-                  ? [""]
-                  : data.node.template[name].value
-              }
-              onChange={(t: string[]) => {
-                data.node.template[name].value = t;
-              }}
-            />
-          ) : data.node.template[name].multiline ? (
-            <TextAreaComponent
-              disabled={false}
-              value={data.node.template[name].value ?? ""}
-              onChange={(t: string) => {
-                data.node.template[name].value = t;
-              }}
-            />
-          ) : (
-            <InputComponent
-              disabled={false}
-              password={data.node.template[name].password ?? false}
-              value={data.node.template[name].value ?? ""}
-              onChange={(t) => {
-                data.node.template[name].value = t;
-              }}
-            />
-          )}
-        </div>
-      ) : type === "bool" ? (
-        <div className="ml-auto">
-          {" "}
-          <ToggleComponent
-            disabled={false}
-            enabled={enabled}
-            setEnabled={(t) => {
-              data.node.template[name].value = t;
-              setEnabled(t);
-            }}
-            size="small"
-          />
-        </div>
-      ) : type === "float" ? (
-        <div className="w-1/2">
-          <FloatComponent
-            disabled={false}
-            value={data.node.template[name].value ?? ""}
-            onChange={(t) => {
-              data.node.template[name].value = t;
-            }}
-          />
-        </div>
-      ) : type === "str" && data.node.template[name].options ? (
-        <div className="w-1/2">
-          <Dropdown
-            options={data.node.template[name].options}
-            onSelect={(newValue) => (data.node.template[name].value = newValue)}
-            value={data.node.template[name].value ?? "Choose an option"}
-          ></Dropdown>
-        </div>
-      ) : type === "int" ? (
-        <div className="w-1/2">
-          <IntComponent
-            disabled={false}
-            value={data.node.template[name].value ?? ""}
-            onChange={(t) => {
-              data.node.template[name].value = t;
-            }}
-          />
-        </div>
-      ) : type === "file" ? (
-        <div className="w-1/2">
-          <InputFileComponent
-            disabled={false}
-            value={data.node.template[name].value ?? ""}
-            onChange={(t: string) => {
-              data.node.template[name].value = t;
-            }}
-            fileTypes={data.node.template[name].fileTypes}
-            suffixes={data.node.template[name].suffixes}
-            onFileChange={(t: string) => {
-              data.node.template[name].file_path = t;
-            }}
-          ></InputFileComponent>
-        </div>
-      ) : type === "prompt" ? (
-        <div className="w-1/2">
-          <PromptAreaComponent
-            field_name={name}
-            disabled={false}
-            value={data.node.template[name].value ?? ""}
-            onChange={(t: string) => {
-              data.node.template[name].value = t;
-            }}
-          />
-        </div>
-      ) : type === "code" ? (
-        <div className="w-1/2">
-          <CodeAreaComponent
-            dynamic={data.node.template[name].dynamic ?? false}
-            setNodeClass={(nodeClass) => {
-              data.node = nodeClass;
-            }}
-            nodeClass={data.node}
-            disabled={false}
-            value={data.node.template[name].value ?? ""}
-            onChange={(t: string) => {
-              data.node.template[name].value = t;
-            }}
-          />
-        </div>
-      ) : (
-        <div className="hidden"></div>
-      )}
-    </div>
-  );
-}

src/frontend/src/modals/NodeModal/index.tsx

@@ -1,151 +0,0 @@
-import { Dialog, Transition } from "@headlessui/react";
-import { Fragment, useContext, useRef, useState } from "react";
-import IconComponent from "../../components/genericIconComponent";
-import { limitScrollFieldsModal } from "../../constants/constants";
-import { typesContext } from "../../contexts/typesContext";
-import { NodeDataType } from "../../types/flow";
-import { nodeColors, nodeIconsLucide } from "../../utils/styleUtils";
-import { classNames, toTitleCase } from "../../utils/utils";
-import ModalField from "./components/ModalField";
-
-export default function NodeModal({ data }: { data: NodeDataType }) {
-  const [modalOpen, setModalOpen] = useState(false);
-  const { types } = useContext(typesContext);
-  const ref = useRef();
-  // any to avoid type conflict
-  const Icon: any = nodeIconsLucide[types[data.type]];
-  return (
-    <Dialog
-      open={modalOpen}
-      as="div"
-      className="relative z-10"
-      onClose={setModalOpen}
-      initialFocus={ref}
-    >
-      <Transition.Child
-        as={Fragment}
-        enter="ease-out duration-300"
-        enterFrom="opacity-0"
-        enterTo="opacity-100"
-        leave="ease-in duration-200"
-        leaveFrom="opacity-100"
-        leaveTo="opacity-0"
-      >
-        <div className="node-modal-div" />
-      </Transition.Child>
-
-      <div className="node-modal-dialog-arrangement">
-        <div className="node-modal-dialog-div">
-          <Transition.Child
-            as={Fragment}
-            enter="ease-out duration-300"
-            enterFrom="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
-            enterTo="opacity-100 translate-y-0 sm:scale-100"
-            leave="ease-in duration-200"
-            leaveFrom="opacity-100 translate-y-0 sm:scale-100"
-            leaveTo="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
-          >
-            <Dialog.Panel className="node-modal-dialog-panel">
-              <div className=" node-modal-dialog-panel-div">
-                <button
-                  type="button"
-                  className="node-modal-dialog-button"
-                  onClick={() => {
-                    setModalOpen(false);
-                  }}
-                >
-                  <span className="sr-only">Close</span>
-                  <IconComponent
-                    name="X"
-                    className="h-6 w-6"
-                    aria-hidden="true"
-                  />
-                </button>
-              </div>
-              <div className="node-modal-dialog-icon-div">
-                <div className="node-modal-icon-arrangement">
-                  <Icon
-                    strokeWidth={1.5}
-                    className="node-modal-icon"
-                    style={{
-                      color: nodeColors[types[data.type]] ?? nodeColors.unknown,
-                    }}
-                  />
-                  <div className="node-modal-title-div">
-                    <Dialog.Title as="h3" className="node-modal-title">
-                      {data.type}
-                    </Dialog.Title>
-                  </div>
-                </div>
-                <div className="node-modal-template-div">
-                  <div className="flex-max-width h-[445px]">
-                    <div
-                      className={classNames(
-                        "node-modal-template",
-                        Object.keys(data.node.template).filter(
-                          (t) =>
-                            t.charAt(0) !== "_" &&
-                            data.node.template[t].advanced &&
-                            data.node.template[t].show
-                        ).length > limitScrollFieldsModal
-                          ? "overflow-scroll overflow-x-hidden custom-scroll"
-                          : "overflow-hidden"
-                      )}
-                    >
-                      <div className="node-modal-template-column">
-                        {Object.keys(data.node.template)
-                          .filter(
-                            (t) =>
-                              t.charAt(0) !== "_" &&
-                              data.node.template[t].advanced &&
-                              data.node.template[t].show
-                          )
-                          .map((t: string, idx) => {
-                            return (
-                              <ModalField
-                                key={idx}
-                                data={data}
-                                title={
-                                  data.node.template[t].display_name
-                                    ? data.node.template[t].display_name
-                                    : data.node.template[t].name
-                                    ? toTitleCase(data.node.template[t].name)
-                                    : toTitleCase(t)
-                                }
-                                required={data.node.template[t].required}
-                                id={
-                                  data.node.template[t].type +
-                                  "|" +
-                                  t +
-                                  "|" +
-                                  data.id
-                                }
-                                name={t}
-                                type={data.node.template[t].type}
-                                index={idx}
-                              />
-                            );
-                          })}
-                      </div>
-                    </div>
-                  </div>
-                </div>
-                <div className="node-modal-button-box">
-                  <button
-                    type="button"
-                    className="node-modal-button"
-                    onClick={() => {
-                      setModalOpen(false);
-                    }}
-                  >
-                    Done
-                  </button>
-                </div>
-              </div>
-            </Dialog.Panel>
-          </Transition.Child>
-        </div>
-      </div>
-    </Dialog>
-  );
-}

src/frontend/src/modals/baseModal/index.tsx

@@ -9,6 +9,7 @@ import {
   DialogTitle,
   DialogTrigger,
 } from "../../components/ui/dialog";
+import { modalHeaderType } from "../../types/components";
 
 type ContentProps = { children: ReactNode };
 type HeaderProps = { children: ReactNode; description: string };
@@ -22,10 +23,10 @@ const Trigger: React.FC<ContentProps> = ({ children }) => {
   return <>{children}</>;
 };
 
-const Header: React.FC<{ children: ReactNode; description: string }> = ({
+const Header: React.FC<{ children: ReactNode; description: string | null }> = ({
   children,
   description,
-}) => {
+}: modalHeaderType): JSX.Element => {
   return (
     <DialogHeader>
       <DialogTitle className="flex items-center">{children}</DialogTitle>

src/frontend/src/modals/codeAreaModal/index.tsx

@@ -4,7 +4,7 @@ import "ace-builds/src-noconflict/mode-python";
 import "ace-builds/src-noconflict/theme-github";
 import "ace-builds/src-noconflict/theme-twilight";
 // import "ace-builds/webpack-resolver";
-import { ReactNode, useContext, useEffect, useState } from "react";
+import { useContext, useEffect, useState } from "react";
 import AceEditor from "react-ace";
 import IconComponent from "../../components/genericIconComponent";
 import { Button } from "../../components/ui/button";
@@ -13,7 +13,7 @@ import { alertContext } from "../../contexts/alertContext";
 import { darkContext } from "../../contexts/darkContext";
 import { typesContext } from "../../contexts/typesContext";
 import { postCustomComponent, postValidateCode } from "../../controllers/API";
-import { APIClassType } from "../../types/api";
+import { codeAreaModalPropsType } from "../../types/components";
 import BaseModal from "../baseModal";
 
 export default function CodeAreaModal({
@@ -23,27 +23,20 @@ export default function CodeAreaModal({
   setNodeClass,
   children,
   dynamic,
-}: {
+}: codeAreaModalPropsType): JSX.Element {
-  setValue: (value: string) => void;
-  value: string;
-  nodeClass?: APIClassType;
-  children: ReactNode;
-  setNodeClass?: (Class: APIClassType) => void;
-  dynamic?: boolean;
-}) {
   const [code, setCode] = useState(value);
   const { dark } = useContext(darkContext);
   const { reactFlowInstance } = useContext(typesContext);
-  const [height, setHeight] = useState(null);
+  const [height, setHeight] = useState<string | null>(null);
   const { setErrorData, setSuccessData } = useContext(alertContext);
   const [error, setError] = useState<{
-    detail: { error: string; traceback: string };
+    detail: { error: string | undefined; traceback: string | undefined };
-  }>(null);
+  } | null>(null);
 
   useEffect(() => {
     // if nodeClass.template has more fields other than code and dynamic is true
     // do not run handleClick
-    if (dynamic && Object.keys(nodeClass.template).length > 2) {
+    if (dynamic && Object.keys(nodeClass!.template).length > 2) {
       return;
     }
     processCode();
@@ -90,7 +83,7 @@ export default function CodeAreaModal({
   }
 
   function processDynamicField() {
-    postCustomComponent(code, nodeClass)
+    postCustomComponent(code, nodeClass!)
       .then((apiReturn) => {
         const { data } = apiReturn;
         if (data) {

src/frontend/src/modals/exportModal/index.tsx

@@ -1,4 +1,4 @@
-import { ReactNode, forwardRef, useContext, useState } from "react";
+import { ReactNode, forwardRef, useContext, useEffect, useState } from "react";
 import EditFlowSettings from "../../components/EditFlowSettingsComponent";
 import IconComponent from "../../components/genericIconComponent";
 import { Button } from "../../components/ui/button";
@@ -8,18 +8,19 @@ import { TabsContext } from "../../contexts/tabsContext";
 import { removeApiKeys } from "../../utils/reactflowUtils";
 import BaseModal from "../baseModal";
 
-const ExportModal = forwardRef((props: { children: ReactNode }, ref) => {
+const ExportModal = forwardRef(
-  const { flows, tabId, updateFlow, downloadFlow, saveFlow } =
+  (props: { children: ReactNode }, ref): JSX.Element => {
-    useContext(TabsContext);
+    const { flows, tabId, updateFlow, downloadFlow } = useContext(TabsContext);
     const [checked, setChecked] = useState(false);
-  const [name, setName] = useState(
+    const flow = flows.find((f) => f.id === tabId);
-    flows.find((flow) => flow.id === tabId).name
+    useEffect(() => {
-  );
+      setName(flow.name);
-  const [invalidName, setInvalidName] = useState(false);
+      setDescription(flow.description);
-  const [description, setDescription] = useState(
+    }, [flow.name, flow.description]);
-    flows.find((flow) => flow.id === tabId).description
+    const [name, setName] = useState(flow.name);
-  );
+    const [description, setDescription] = useState(flow.description);
     const [open, setOpen] = useState(false);
+
     return (
       <BaseModal size="smaller" open={open} setOpen={setOpen}>
         <BaseModal.Trigger>{props.children}</BaseModal.Trigger>
@@ -33,8 +34,6 @@ const ExportModal = forwardRef((props: { children: ReactNode }, ref) => {
         </BaseModal.Header>
         <BaseModal.Content>
           <EditFlowSettings
-          invalidName={invalidName}
-          setInvalidName={setInvalidName}
             name={name}
             description={description}
             flows={flows}
@@ -61,14 +60,14 @@ const ExportModal = forwardRef((props: { children: ReactNode }, ref) => {
             onClick={() => {
               if (checked)
                 downloadFlow(
-                flows.find((flow) => flow.id === tabId),
+                  flows.find((flow) => flow.id === tabId)!,
-                name,
+                  name!,
                   description
                 );
               else
                 downloadFlow(
-                removeApiKeys(flows.find((flow) => flow.id === tabId)),
+                  removeApiKeys(flows.find((flow) => flow.id === tabId)!),
-                name,
+                  name!,
                   description
                 );
               setOpen(false);
@@ -80,5 +79,6 @@ const ExportModal = forwardRef((props: { children: ReactNode }, ref) => {
         </BaseModal.Footer>
       </BaseModal>
     );
-});
+  }
+);
 export default ExportModal;

src/frontend/src/modals/flowSettingsModal/index.tsx

@@ -1,37 +1,33 @@
-import { useContext, useRef, useState } from "react";
+import { useContext, useEffect, useState } from "react";
 import EditFlowSettings from "../../components/EditFlowSettingsComponent";
 import IconComponent from "../../components/genericIconComponent";
 import { Button } from "../../components/ui/button";
 import { SETTINGS_DIALOG_SUBTITLE } from "../../constants/constants";
 import { alertContext } from "../../contexts/alertContext";
 import { TabsContext } from "../../contexts/tabsContext";
+import { FlowSettingsPropsType } from "../../types/components";
 import BaseModal from "../baseModal";
 
 export default function FlowSettingsModal({
   open,
   setOpen,
-}: {
+}: FlowSettingsPropsType): JSX.Element {
-  open: boolean;
+  const { setSuccessData } = useContext(alertContext);
-  setOpen: (open: boolean) => void;
+  const { flows, tabId, updateFlow, saveFlow } = useContext(TabsContext);
-}) {
+  const flow = flows.find((f) => f.id === tabId);
-  const { setErrorData, setSuccessData } = useContext(alertContext);
+  useEffect(() => {
-  const ref = useRef();
+    setName(flow.name);
-  const { flows, tabId, updateFlow, setTabsState, saveFlow } =
+    setDescription(flow.description);
-    useContext(TabsContext);
+  }, [flow.name, flow.description]);
-  const maxLength = 50;
+  const [name, setName] = useState(flow.name);
-  const [name, setName] = useState(
+  const [description, setDescription] = useState(flow.description);
-    flows.find((flow) => flow.id === tabId).name
-  );
-  const [description, setDescription] = useState(
-    flows.find((flow) => flow.id === tabId).description
-  );
   const [invalidName, setInvalidName] = useState(false);
 
-  function handleClick() {
+  function handleClick(): void {
     let savedFlow = flows.find((flow) => flow.id === tabId);
-    savedFlow.name = name;
+    savedFlow!.name = name;
-    savedFlow.description = description;
+    savedFlow!.description = description;
-    saveFlow(savedFlow);
+    saveFlow(savedFlow!);
     setSuccessData({ title: "Changes saved successfully" });
     setOpen(false);
   }
@@ -51,7 +47,6 @@ export default function FlowSettingsModal({
           tabId={tabId}
           setName={setName}
           setDescription={setDescription}
-          updateFlow={updateFlow}
         />
       </BaseModal.Content>
 

src/frontend/src/modals/formModal/chatInput/index.tsx

@@ -1,6 +1,7 @@
 import { useEffect } from "react";
 import IconComponent from "../../../components/genericIconComponent";
 import { Textarea } from "../../../components/ui/textarea";
+import { chatInputType } from "../../../types/components";
 import { classNames } from "../../../utils/utils";
 
 export default function ChatInput({
@@ -10,7 +11,7 @@ export default function ChatInput({
   setChatValue,
   inputRef,
   noInput,
-}) {
+}: chatInputType): JSX.Element {
   useEffect(() => {
     if (!lockChat && inputRef.current) {
       inputRef.current.focus();
@@ -46,7 +47,7 @@ export default function ChatInput({
           }`,
         }}
         value={lockChat ? "Thinking..." : chatValue}
-        onChange={(event) => {
+        onChange={(event): void => {
           setChatValue(event.target.value);
         }}
         className={classNames(
@@ -75,7 +76,7 @@ export default function ChatInput({
               : "bg-chat-send text-background"
           )}
           disabled={lockChat}
-          onClick={() => sendMessage()}
+          onClick={(): void => sendMessage()}
         >
           {lockChat ? (
             <IconComponent

src/frontend/src/modals/formModal/chatMessage/codeBlock/index.tsx

@@ -3,16 +3,12 @@ import { useState } from "react";
 import { Prism as SyntaxHighlighter } from "react-syntax-highlighter";
 import { oneDark } from "react-syntax-highlighter/dist/cjs/styles/prism";
 import { programmingLanguages } from "../../../../constants/constants";
+import { Props } from "../../../../types/components";
 
-interface Props {
+export function CodeBlock({ language, value }: Props): JSX.Element {
-  language: string;
-  value: string;
-}
-
-export function CodeBlock({ language, value }) {
   const [isCopied, setIsCopied] = useState<Boolean>(false);
 
-  const copyToClipboard = () => {
+  const copyToClipboard = (): void => {
     if (!navigator.clipboard || !navigator.clipboard.writeText) {
       return;
     }
@@ -25,7 +21,7 @@ export function CodeBlock({ language, value }) {
       }, 2000);
     });
   };
-  const downloadAsFile = () => {
+  const downloadAsFile = (): void => {
     const fileExtension = programmingLanguages[language] || ".file";
     const suggestedFileName = `${"generated-code"}${fileExtension}`;
     const fileName = window.prompt("enter file name", suggestedFileName);

src/frontend/src/modals/formModal/chatMessage/index.tsx

@@ -9,18 +9,15 @@ import Robot from "../../../assets/robot.png";
 import SanitizedHTMLWrapper from "../../../components/SanitizedHTMLWrapper";
 import CodeTabsComponent from "../../../components/codeTabsComponent";
 import IconComponent from "../../../components/genericIconComponent";
-import { ChatMessageType } from "../../../types/chat";
+import { chatMessagePropsType } from "../../../types/components";
 import { classNames } from "../../../utils/utils";
 import FileCard from "../fileComponent";
+
 export default function ChatMessage({
   chat,
   lockChat,
   lastMessage,
-}: {
+}: chatMessagePropsType): JSX.Element {
-  chat: ChatMessageType;
-  lockChat: boolean;
-  lastMessage: boolean;
-}) {
   const convert = new Convert({ newline: true });
   const [hidden, setHidden] = useState(true);
   const template = chat.template;
@@ -57,7 +54,7 @@ export default function ChatMessage({
           <div className="form-modal-chat-text">
             {hidden && chat.thought && chat.thought !== "" && (
               <div
-                onClick={() => setHidden((prev) => !prev)}
+                onClick={(): void => setHidden((prev) => !prev)}
                 className="form-modal-chat-icon-div"
               >
                 <IconComponent
@@ -192,7 +189,7 @@ export default function ChatMessage({
                   ? template?.split("\n")?.map((line, index) => {
                       const regex = /{([^}]+)}/g;
                       let match;
-                      let parts = [];
+                      let parts: Array<JSX.Element | string> = [];
                       let lastIndex = 0;
                       while ((match = regex.exec(line)) !== null) {
                         // Push text up to the match

src/frontend/src/modals/formModal/fileComponent/index.tsx

@@ -1,9 +1,14 @@
 import * as base64js from "base64-js";
 import { useState } from "react";
 import IconComponent from "../../../components/genericIconComponent";
+import { fileCardPropsType } from "../../../types/components";
 
-export default function FileCard({ fileName, content, fileType }) {
+export default function FileCard({
-  const handleDownload = () => {
+  fileName,
+  content,
+  fileType,
+}: fileCardPropsType): JSX.Element {
+  const handleDownload = (): void => {
     const byteArray = new Uint8Array(base64js.toByteArray(content));
     const blob = new Blob([byteArray], { type: "application/octet-stream" });
     const url = URL.createObjectURL(blob);
@@ -16,10 +21,10 @@ export default function FileCard({ fileName, content, fileType }) {
     URL.revokeObjectURL(url);
   };
   const [isHovered, setIsHovered] = useState(false);
-  function handleMouseEnter() {
+  function handleMouseEnter(): void {
     setIsHovered(true);
   }
-  function handleMouseLeave() {
+  function handleMouseLeave(): void {
     setIsHovered(false);
   }
 
@@ -55,7 +60,7 @@ export default function FileCard({ fileName, content, fileType }) {
   return (
     <button onClick={handleDownload} className="file-card-modal-button">
       <div className="file-card-modal-div">
-        {" "}
+        ooooooooooooooo{" "}
         {fileType === "image" ? (
           <img
             src={`data:image/png;base64,${content}`}

src/frontend/src/modals/formModal/index.tsx

@@ -24,6 +24,7 @@ import {
 import { Textarea } from "../../components/ui/textarea";
 import { CHAT_FORM_DIALOG_SUBTITLE } from "../../constants/constants";
 import { TabsContext } from "../../contexts/tabsContext";
+import { TabsState } from "../../types/tabs";
 import { validateNodes } from "../../utils/reactflowUtils";
 
 export default function FormModal({
@@ -34,7 +35,7 @@ export default function FormModal({
   open: boolean;
   setOpen: (open: boolean) => void;
   flow: FlowType;
-}) {
+}): JSX.Element {
   const { tabsState, setTabsState } = useContext(TabsContext);
   const [chatValue, setChatValue] = useState(() => {
     try {
@@ -45,11 +46,11 @@ export default function FormModal({
       const inputKeys = formKeysData.input_keys;
       const handleKeys = formKeysData.handle_keys;
 
-      const keyToUse = Object.keys(inputKeys).find(
+      const keyToUse = Object.keys(inputKeys!).find(
-        (key) => !handleKeys.some((j) => j === key) && inputKeys[key] === ""
+        (key) => !handleKeys?.some((j) => j === key) && inputKeys![key] === ""
       );
 
-      return inputKeys[keyToUse];
+      return inputKeys![keyToUse!];
     } catch (error) {
       console.error(error);
       // return a sensible default or `undefined` if no default is possible
@@ -63,16 +64,17 @@ export default function FormModal({
   const ws = useRef<WebSocket | null>(null);
   const [lockChat, setLockChat] = useState(false);
   const isOpen = useRef(open);
-  const messagesRef = useRef(null);
+  const messagesRef = useRef<HTMLDivElement | null>(null);
   const id = useRef(flow.id);
   const tabsStateFlowId = tabsState[flow.id];
   const tabsStateFlowIdFormKeysData = tabsStateFlowId.formKeysData;
   const [chatKey, setChatKey] = useState(() => {
     if (tabsState[flow.id]?.formKeysData?.input_keys) {
-      return Object.keys(tabsState[flow.id].formKeysData.input_keys).find(
+      return Object.keys(tabsState[flow.id].formKeysData.input_keys!).find(
         (key) =>
-          !tabsState[flow.id].formKeysData.handle_keys.some((j) => j === key) &&
+          !tabsState[flow.id].formKeysData.handle_keys!.some(
-          tabsState[flow.id].formKeysData.input_keys[key] === ""
+            (j) => j === key
+          ) && tabsState[flow.id].formKeysData.input_keys![key] === ""
       );
     }
     // TODO: return a sensible default
@@ -149,7 +151,7 @@ export default function FormModal({
     });
   }
 
-  function handleOnClose(event: CloseEvent) {
+  function handleOnClose(event: CloseEvent): void {
     if (isOpen.current) {
       setErrorData({ title: event.reason });
       setTimeout(() => {
@@ -159,7 +161,10 @@ export default function FormModal({
     }
   }
 
-  function getWebSocketUrl(chatId, isDevelopment = false) {
+  function getWebSocketUrl(
+    chatId: string,
+    isDevelopment: boolean = false
+  ): string {
     const isSecureProtocol =
       window.location.protocol === "https:" || window.location.port === "443";
     const webSocketProtocol = isSecureProtocol ? "wss" : "ws";
@@ -212,7 +217,7 @@ export default function FormModal({
       });
     }
     if (data.type === "start") {
-      addChatHistory("", false, chatKey);
+      addChatHistory("", false, chatKey!);
       isStream = true;
     }
     if (data.type === "end") {
@@ -241,7 +246,7 @@ export default function FormModal({
     }
   }
 
-  function connectWS() {
+  function connectWS(): void {
     try {
       const urlWs = getWebSocketUrl(
         id.current,
@@ -308,15 +313,15 @@ export default function FormModal({
     // do not add connectWS on dependencies array
   }, [lockChat]);
 
-  async function sendAll(data: sendAllProps) {
+  async function sendAll(data: sendAllProps): Promise<void> {
     try {
       if (ws) {
-        ws.current.send(JSON.stringify(data));
+        ws.current?.send(JSON.stringify(data));
       }
     } catch (error) {
       setErrorData({
         title: "There was an error sending the message",
-        list: [error.message],
+        list: [(error as { message: string }).message],
       });
       setChatValue(data.inputs);
       connectWS();
@@ -327,7 +332,7 @@ export default function FormModal({
     if (ref.current) ref.current.scrollIntoView({ behavior: "smooth" });
   }, [chatHistory]);
 
-  const ref = useRef(null);
+  const ref = useRef<HTMLDivElement | null>(null);
 
   useEffect(() => {
     if (open && ref.current) {
@@ -335,30 +340,31 @@ export default function FormModal({
     }
   }, [open]);
 
-  function sendMessage() {
+  function sendMessage(): void {
-    let nodeValidationErrors = validateNodes(reactFlowInstance);
+    let nodeValidationErrors = validateNodes(reactFlowInstance!);
     if (nodeValidationErrors.length === 0) {
       setLockChat(true);
       let inputs = tabsState[id.current].formKeysData.input_keys;
       setChatValue("");
       const message = inputs;
       addChatHistory(
-        message,
+        message!,
         true,
-        chatKey,
+        chatKey!,
         tabsState[flow.id].formKeysData.template
       );
       sendAll({
-        ...reactFlowInstance.toObject(),
+        ...reactFlowInstance?.toObject()!,
-        inputs: inputs,
+        inputs: inputs!,
         chatHistory,
         name: flow.name,
         description: flow.description,
       });
-      setTabsState((old) => {
+      //@ts-ignore
+      setTabsState((old: TabsState) => {
         if (!chatKey) return old;
         let newTabsState = _.cloneDeep(old);
-        newTabsState[id.current].formKeysData.input_keys[chatKey] = "";
+        newTabsState[id.current].formKeysData.input_keys![chatKey] = "";
         return newTabsState;
       });
     } else {
@@ -368,18 +374,18 @@ export default function FormModal({
       });
     }
   }
-  function clearChat() {
+  function clearChat(): void {
     setChatHistory([]);
-    ws.current.send(JSON.stringify({ clear_history: true }));
+    ws.current?.send(JSON.stringify({ clear_history: true }));
     if (lockChat) setLockChat(false);
   }
 
   function handleOnCheckedChange(checked: boolean, i: string) {
     if (checked === true) {
       setChatKey(i);
-      setChatValue(tabsState[flow.id].formKeysData.input_keys[i]);
+      setChatValue(tabsState[flow.id].formKeysData.input_keys![i]);
     } else {
-      setChatKey(null);
+      setChatKey(null!);
       setChatValue("");
     }
   }
@@ -425,7 +431,7 @@ export default function FormModal({
 
               {tabsState[id.current]?.formKeysData?.input_keys
                 ? Object.keys(
-                    tabsState[id.current].formKeysData.input_keys
+                    tabsState[id.current].formKeysData.input_keys!
                   ).map((key, index) => (
                     <div className="file-component-accordion-div" key={index}>
                       <AccordionComponent
@@ -449,7 +455,7 @@ export default function FormModal({
                                 size="small"
                                 disabled={tabsState[
                                   id.current
-                                ].formKeysData.handle_keys.some(
+                                ].formKeysData.handle_keys!.some(
                                   (t) => t === key
                                 )}
                               />
@@ -460,7 +466,7 @@ export default function FormModal({
                         keyValue={key}
                       >
                         <div className="file-component-tab-column">
-                          {tabsState[id.current].formKeysData.handle_keys.some(
+                          {tabsState[id.current].formKeysData.handle_keys!.some(
                             (t) => t === key
                           ) && (
                             <div className="font-normal text-muted-foreground ">
@@ -470,14 +476,18 @@ export default function FormModal({
                           <Textarea
                             className="custom-scroll"
                             value={
-                              tabsState[id.current].formKeysData.input_keys[key]
+                              tabsState[id.current].formKeysData.input_keys![
+                                key
+                              ]
                             }
                             onChange={(e) => {
-                              setTabsState((old) => {
+                              //@ts-ignore
+                              setTabsState((old: TabsState) => {
                                 let newTabsState = _.cloneDeep(old);
                                 newTabsState[
                                   id.current
-                                ].formKeysData.input_keys[key] = e.target.value;
+                                ].formKeysData.input_keys![key] =
+                                  e.target.value;
                                 return newTabsState;
                               });
                             }}
@@ -489,7 +499,7 @@ export default function FormModal({
                     </div>
                   ))
                 : null}
-              {tabsState[id.current].formKeysData.memory_keys.map(
+              {tabsState[id.current].formKeysData.memory_keys!.map(
                 (key, index) => (
                   <div className="file-component-accordion-div" key={index}>
                     <AccordionComponent
@@ -583,10 +593,11 @@ export default function FormModal({
                       sendMessage={sendMessage}
                       setChatValue={(value) => {
                         setChatValue(value);
-                        setTabsState((old) => {
+                        //@ts-ignore
+                        setTabsState((old: TabsState) => {
                           let newTabsState = _.cloneDeep(old);
-                          newTabsState[id.current].formKeysData.input_keys[
+                          newTabsState[id.current].formKeysData.input_keys![
-                            chatKey
+                            chatKey!
                           ] = value;
                           return newTabsState;
                         });

src/frontend/src/modals/genericModal/index.tsx

@@ -1,4 +1,4 @@
-import { ReactNode, useContext, useEffect, useRef, useState } from "react";
+import { useContext, useEffect, useRef, useState } from "react";
 import SanitizedHTMLWrapper from "../../components/SanitizedHTMLWrapper";
 import ShadTooltip from "../../components/ShadTooltipComponent";
 import IconComponent from "../../components/genericIconComponent";
@@ -15,7 +15,8 @@ import {
 import { TypeModal } from "../../constants/enums";
 import { alertContext } from "../../contexts/alertContext";
 import { postValidatePrompt } from "../../controllers/API";
-import { APIClassType } from "../../types/api";
+import { genericModalPropsType } from "../../types/components";
+import { handleKeyDown } from "../../utils/reactflowUtils";
 import {
   classNames,
   getRandomKeyByssmm,
@@ -33,39 +34,29 @@ export default function GenericModal({
   nodeClass,
   setNodeClass,
   children,
-}: {
+}: genericModalPropsType): JSX.Element {
-  field_name?: string;
-  setValue: (value: string) => void;
-  value: string;
-  buttonText: string;
-  modalTitle: string;
-  type: number;
-  children: ReactNode;
-  nodeClass?: APIClassType;
-  setNodeClass?: (Class: APIClassType) => void;
-}) {
   const [myButtonText] = useState(buttonText);
   const [myModalTitle] = useState(modalTitle);
   const [myModalType] = useState(type);
   const [inputValue, setInputValue] = useState(value);
   const [isEdit, setIsEdit] = useState(true);
-  const [wordsHighlight, setWordsHighlight] = useState([]);
+  const [wordsHighlight, setWordsHighlight] = useState<string[]>([]);
   const { setErrorData, setSuccessData, setNoticeData } =
     useContext(alertContext);
   const ref = useRef();
   const divRef = useRef(null);
   const divRefPrompt = useRef(null);
 
-  function checkVariables(valueToCheck) {
+  function checkVariables(valueToCheck: string): void {
     const regex = /\{([^{}]+)\}/g;
-    const matches = [];
+    const matches: string[] = [];
     let match;
     while ((match = regex.exec(valueToCheck))) {
       matches.push(`{${match[1]}}`);
     }
 
-    let invalid_chars = [];
+    let invalid_chars: string[] = [];
-    let fixed_variables = [];
+    let fixed_variables: string[] = [];
     let input_variables = matches;
     for (let variable of input_variables) {
       let new_var = variable;
@@ -106,7 +97,7 @@ export default function GenericModal({
     .replace(regexHighlight, varHighlightHTML({ name: "$1" }))
     .replace(/\n/g, "<br />");
 
-  const TextAreaContentView = () => {
+  const TextAreaContentView = (): JSX.Element => {
     return (
       <SanitizedHTMLWrapper
         className={getClassByNumberLength()}
@@ -119,7 +110,7 @@ export default function GenericModal({
     );
   };
 
-  function getClassByNumberLength() {
+  function getClassByNumberLength(): string {
     let sumOfCaracteres: number = 0;
     wordsHighlight.forEach((element) => {
       sumOfCaracteres = sumOfCaracteres + element.replace(/[{}]/g, "").length;
@@ -129,8 +120,8 @@ export default function GenericModal({
       : "code-nohighlight";
   }
 
-  function validatePrompt(closeModal: boolean) {
+  function validatePrompt(closeModal: boolean): void {
-    postValidatePrompt(field_name, inputValue, nodeClass)
+    postValidatePrompt(field_name, inputValue, nodeClass!)
       .then((apiReturn) => {
         if (apiReturn.data) {
           let inputVariables = apiReturn.data.input_variables ?? [];
@@ -144,7 +135,7 @@ export default function GenericModal({
             setSuccessData({
               title: "Prompt is ready",
             });
-            setNodeClass(apiReturn.data?.frontend_node);
+            setNodeClass!(apiReturn.data?.frontend_node);
             setModalOpen(closeModal);
             setValue(inputValue);
           }
@@ -213,11 +204,15 @@ export default function GenericModal({
                   checkVariables(event.target.value);
                 }}
                 placeholder="Type message here."
+                onKeyDown={(e) => {
+                  handleKeyDown(e, inputValue, "");
+                }}
               />
             ) : type === TypeModal.PROMPT && !isEdit ? (
               <TextAreaContentView />
             ) : type !== TypeModal.PROMPT ? (
               <Textarea
+                //@ts-ignore
                 ref={ref}
                 className="form-input h-full w-full rounded-lg focus-visible:ring-1"
                 value={inputValue}
@@ -225,6 +220,9 @@ export default function GenericModal({
                   setInputValue(event.target.value);
                 }}
                 placeholder="Type message here."
+                onKeyDown={(e) => {
+                  handleKeyDown(e, value, "");
+                }}
               />
             ) : (
               <></>

src/frontend/src/modals/importModal/buttonBox/index.tsx

@@ -1,4 +1,4 @@
-import { ReactNode } from "react";
+import { buttonBoxPropsType } from "../../../types/components";
 import { classNames } from "../../../utils/utils";
 
 export default function ButtonBox({
@@ -10,16 +10,7 @@ export default function ButtonBox({
   textColor,
   deactivate,
   size,
-}: {
+}: buttonBoxPropsType): JSX.Element {
-  onClick: () => void;
-  title: string;
-  description: string;
-  icon: ReactNode;
-  bgColor: string;
-  textColor: string;
-  deactivate?: boolean;
-  size: "small" | "medium" | "big";
-}) {
   let bigCircle: string;
   let smallCircle: string;
   let titleFontSize: string;

src/frontend/src/modals/importModal/index.tsx

@@ -23,7 +23,7 @@ import { FlowType } from "../../types/flow";
 import { classNames } from "../../utils/utils";
 import ButtonBox from "./buttonBox";
 
-export default function ImportModal() {
+export default function ImportModal(): JSX.Element {
   const [open, setOpen] = useState(true);
   const { setErrorData } = useContext(alertContext);
   const ref = useRef();
@@ -32,7 +32,7 @@ export default function ImportModal() {
   const [examples, setExamples] = useState<FlowType[]>([]);
   const { uploadFlow, addFlow } = useContext(TabsContext);
 
-  function handleExamples() {
+  function handleExamples(): void {
     setLoadingExamples(true);
     getExamples()
       .then((result) => {

src/frontend/src/pages/CommunityPage/index.tsx

@@ -6,9 +6,10 @@ import { TabsContext } from "../../contexts/tabsContext";
 import { useNavigate } from "react-router-dom";
 import { CardComponent } from "../../components/cardComponent";
 import IconComponent from "../../components/genericIconComponent";
+import Header from "../../components/headerComponent";
 import { getExamples } from "../../controllers/API";
 import { FlowType } from "../../types/flow";
-export default function CommunityPage() {
+export default function CommunityPage(): JSX.Element {
   const { flows, setTabId, downloadFlows, uploadFlows, addFlow } =
     useContext(TabsContext);
 
@@ -21,7 +22,7 @@ export default function CommunityPage() {
   const [examples, setExamples] = useState<FlowType[]>([]);
 
   // Show community examples on screen
-  function handleExamples() {
+  function handleExamples(): void {
     setLoadingExamples(true);
     getExamples()
       .then((result) => {
@@ -42,6 +43,9 @@ export default function CommunityPage() {
     handleExamples();
   }, []);
   return (
+    <>
+      <Header />
+
       <div className="community-page-arrangement">
         <div className="community-page-nav-arrangement">
           <span className="community-page-nav-title">
@@ -98,5 +102,6 @@ export default function CommunityPage() {
             ))}
         </div>
       </div>
+    </>
   );
 }

src/frontend/src/pages/FlowPage/components/ConnectionLineComponent/index.tsx

@@ -6,7 +6,7 @@ const ConnectionLineComponent = ({
   toX,
   toY,
   connectionLineStyle = {}, // provide a default value for connectionLineStyle
-}: ConnectionLineComponentProps) => {
+}: ConnectionLineComponentProps): JSX.Element => {
   return (
     <g>
       <path

src/frontend/src/pages/FlowPage/components/DisclosureComponent/index.tsx

@@ -6,7 +6,7 @@ export default function DisclosureComponent({
   button: { title, Icon, buttons = [] },
   children,
   openDisc,
-}: DisclosureComponentType) {
+}: DisclosureComponentType): JSX.Element {
   return (
     <Disclosure as="div" key={title}>
       {({ open }) => (

src/frontend/src/pages/FlowPage/components/PageComponent/index.tsx

@@ -1,11 +1,19 @@
 import _ from "lodash";
-import { useCallback, useContext, useEffect, useRef, useState } from "react";
+import {
+  MouseEvent,
+  useCallback,
+  useContext,
+  useEffect,
+  useRef,
+  useState,
+} from "react";
 import ReactFlow, {
   Background,
   Connection,
   Controls,
   Edge,
   EdgeChange,
+  Node,
   NodeChange,
   NodeDragHandler,
   OnEdgesDelete,
@@ -26,6 +34,7 @@ import { typesContext } from "../../../../contexts/typesContext";
 import { undoRedoContext } from "../../../../contexts/undoRedoContext";
 import { APIClassType } from "../../../../types/api";
 import { FlowType, NodeType } from "../../../../types/flow";
+import { TabsState } from "../../../../types/tabs";
 import { isValidConnection } from "../../../../utils/reactflowUtils";
 import { isWrappedWithClass } from "../../../../utils/utils";
 import ConnectionLineComponent from "../ConnectionLineComponent";
@@ -35,7 +44,13 @@ const nodeTypes = {
   genericNode: GenericNode,
 };
 
-export default function Page({ flow }: { flow: FlowType }) {
+export default function Page({
+  flow,
+  view,
+}: {
+  flow: FlowType;
+  view?: boolean;
+}): JSX.Element {
   let {
     updateFlow,
     uploadFlow,
@@ -51,13 +66,13 @@ export default function Page({ flow }: { flow: FlowType }) {
   } = useContext(TabsContext);
   const { types, reactFlowInstance, setReactFlowInstance, templates } =
     useContext(typesContext);
-  const reactFlowWrapper = useRef(null);
+  const reactFlowWrapper = useRef<HTMLDivElement>(null);
 
   const { takeSnapshot } = useContext(undoRedoContext);
 
   const [position, setPosition] = useState({ x: 0, y: 0 });
   const [lastSelection, setLastSelection] =
-    useState<OnSelectionChangeParams>(null);
+    useState<OnSelectionChangeParams | null>(null);
 
   useEffect(() => {
     // this effect is used to attach the global event handlers
@@ -78,10 +93,10 @@ export default function Page({ flow }: { flow: FlowType }) {
           lastCopiedSelection
         ) {
           event.preventDefault();
-          let bounds = reactFlowWrapper.current.getBoundingClientRect();
+          let bounds = reactFlowWrapper.current?.getBoundingClientRect();
           paste(lastCopiedSelection, {
-            x: position.x - bounds.left,
+            x: position.x - bounds!.left,
-            y: position.y - bounds.top,
+            y: position.y - bounds!.top,
           });
         }
         if (
@@ -147,7 +162,8 @@ export default function Page({ flow }: { flow: FlowType }) {
         let newX = _.cloneDeep(node);
         return newX;
       });
-      setTabsState((prev) => {
+      //@ts-ignore
+      setTabsState((prev: TabsState) => {
         return {
           ...prev,
           [tabId]: {
@@ -163,7 +179,8 @@ export default function Page({ flow }: { flow: FlowType }) {
   const onNodesChangeMod = useCallback(
     (change: NodeChange[]) => {
       onNodesChange(change);
-      setTabsState((prev) => {
+      //@ts-ignore
+      setTabsState((prev: TabsState) => {
         return {
           ...prev,
           [tabId]: {
@@ -185,10 +202,10 @@ export default function Page({ flow }: { flow: FlowType }) {
             ...params,
             style: { stroke: "#555" },
             className:
-              (params.targetHandle.split("|")[0] === "Text"
+              (params.targetHandle?.split("|")[0] === "Text"
                 ? "stroke-foreground "
                 : "stroke-foreground ") + " stroke-connection",
-            animated: params.targetHandle.split("|")[0] === "Text",
+            animated: params.targetHandle?.split("|")[0] === "Text",
           },
           eds
         )
@@ -234,7 +251,7 @@ export default function Page({ flow }: { flow: FlowType }) {
 
         // Get the current bounds of the ReactFlow wrapper element
         const reactflowBounds =
-          reactFlowWrapper.current.getBoundingClientRect();
+          reactFlowWrapper.current?.getBoundingClientRect();
 
         // Extract the data from the drag event and parse it as a JSON object
         let data: { type: string; node?: APIClassType } = JSON.parse(
@@ -243,9 +260,9 @@ export default function Page({ flow }: { flow: FlowType }) {
 
         // If data type is not "chatInput" or if there are no "chatInputNode" nodes present in the ReactFlow instance, create a new node
         // Calculate the position where the node should be created
-        const position = reactFlowInstance.project({
+        const position = reactFlowInstance!.project({
-          x: event.clientX - reactflowBounds.left,
+          x: event.clientX - reactflowBounds!.left,
-          y: event.clientY - reactflowBounds.top,
+          y: event.clientY - reactflowBounds!.top,
         });
 
         // Generate a unique node ID
@@ -262,7 +279,6 @@ export default function Page({ flow }: { flow: FlowType }) {
             data: {
               ...data,
               id: newId,
-              value: null,
             },
           };
         } else {
@@ -274,7 +290,6 @@ export default function Page({ flow }: { flow: FlowType }) {
             data: {
               ...data,
               id: newId,
-              value: null,
             },
           };
 
@@ -283,7 +298,7 @@ export default function Page({ flow }: { flow: FlowType }) {
         setNodes((nds) => nds.concat(newNode));
       } else if (event.dataTransfer.types.some((types) => types === "Files")) {
         takeSnapshot();
-        uploadFlow(false, event.dataTransfer.files.item(0));
+        uploadFlow(false, event.dataTransfer.files.item(0)!);
       }
     },
     // Specify dependencies for useCallback
@@ -299,7 +314,7 @@ export default function Page({ flow }: { flow: FlowType }) {
   }, []);
 
   const onDelete = useCallback(
-    (mynodes) => {
+    (mynodes: Node[]) => {
       takeSnapshot();
       setEdges(
         edges.filter(
@@ -319,7 +334,7 @@ export default function Page({ flow }: { flow: FlowType }) {
 
   const onEdgeUpdate = useCallback(
     (oldEdge: Edge, newConnection: Connection) => {
-      if (isValidConnection(newConnection, reactFlowInstance)) {
+      if (isValidConnection(newConnection, reactFlowInstance!)) {
         edgeUpdateSuccessful.current = true;
         setEdges((els) => updateEdge(oldEdge, newConnection, els));
       }
@@ -327,11 +342,10 @@ export default function Page({ flow }: { flow: FlowType }) {
     [reactFlowInstance, setEdges]
   );
 
-  const onEdgeUpdateEnd = useCallback((_, edge) => {
+  const onEdgeUpdateEnd = useCallback((_, edge: Edge): void => {
     if (!edgeUpdateSuccessful.current) {
       setEdges((eds) => eds.filter((edg) => edg.id !== edge.id));
     }
-
     edgeUpdateSuccessful.current = true;
   }, []);
 
@@ -340,7 +354,7 @@ export default function Page({ flow }: { flow: FlowType }) {
   const onSelectionEnd = useCallback(() => {
     setSelectionEnded(true);
   }, []);
-  const onSelectionStart = useCallback((event) => {
+  const onSelectionStart = useCallback((event: MouseEvent) => {
     event.preventDefault();
     setSelectionEnded(false);
   }, []);
@@ -354,13 +368,16 @@ export default function Page({ flow }: { flow: FlowType }) {
     }
   }, [selectionEnded, lastSelection]);
 
-  const onSelectionChange = useCallback((flow) => {
+  const onSelectionChange = useCallback(
+    (flow: OnSelectionChangeParams): void => {
       setLastSelection(flow);
-  }, []);
+    },
+    []
+  );
 
   return (
     <div className="flex h-full overflow-hidden">
-      <ExtraSidebar />
+      {!view && <ExtraSidebar />}
       {/* Main area */}
       <main className="flex flex-1">
         {/* Primary column */}
@@ -383,7 +400,6 @@ export default function Page({ flow }: { flow: FlowType }) {
                   onEdgesChange={onEdgesChangeMod}
                   onConnect={onConnect}
                   disableKeyboardA11y={true}
-                  onLoad={setReactFlowInstance}
                   onInit={setReactFlowInstance}
                   nodeTypes={nodeTypes}
                   onEdgeUpdate={onEdgeUpdate}
@@ -402,14 +418,21 @@ export default function Page({ flow }: { flow: FlowType }) {
                   className="theme-attribution"
                   minZoom={0.01}
                   maxZoom={8}
+                  zoomOnScroll={!view}
+                  zoomOnPinch={!view}
+                  panOnDrag={!view}
                 >
                   <Background className="" />
+                  {!view && (
                     <Controls
                       className="bg-muted fill-foreground stroke-foreground text-primary
                    [&>button]:border-b-border hover:[&>button]:bg-border"
                     ></Controls>
+                  )}
                 </ReactFlow>
-                <Chat flow={flow} reactFlowInstance={reactFlowInstance} />
+                {!view && (
+                  <Chat flow={flow} reactFlowInstance={reactFlowInstance!} />
+                )}
               </div>
             ) : (
               <></>

src/frontend/src/pages/FlowPage/components/extraSidebarComponent/index.tsx

@@ -17,7 +17,7 @@ import {
 import { classNames } from "../../../../utils/utils";
 import DisclosureComponent from "../DisclosureComponent";
 
-export default function ExtraSidebar() {
+export default function ExtraSidebar(): JSX.Element {
   const { data, templates } = useContext(typesContext);
   const { flows, tabId, uploadFlow, tabsState, saveFlow, isBuilt } =
     useContext(TabsContext);
@@ -28,7 +28,7 @@ export default function ExtraSidebar() {
   function onDragStart(
     event: React.DragEvent<any>,
     data: { type: string; node?: APIClassType }
-  ) {
+  ): void {
     //start drag event
     var crt = event.currentTarget.cloneNode(true);
     crt.style.position = "absolute";
@@ -59,7 +59,7 @@ export default function ExtraSidebar() {
   const flow = flows.find((flow) => flow.id === tabId);
   useEffect(() => {
     // show components with error on load
-    let errors = [];
+    let errors: string[] = [];
     Object.keys(templates).forEach((component) => {
       if (templates[component].error) {
         errors.push(component);
@@ -120,7 +120,7 @@ export default function ExtraSidebar() {
                 "extra-side-bar-buttons " + (isPending ? "" : "button-disable")
               }
               onClick={(event) => {
-                saveFlow(flow);
+                saveFlow(flow!);
                 setSuccessData({ title: "Changes saved successfully" });
               }}
             >

src/frontend/src/pages/FlowPage/components/nodeToolbarComponent/index.tsx

@@ -4,14 +4,19 @@ import ShadTooltip from "../../../../components/ShadTooltipComponent";
 import IconComponent from "../../../../components/genericIconComponent";
 import { TabsContext } from "../../../../contexts/tabsContext";
 import EditNodeModal from "../../../../modals/EditNodeModal";
+import { nodeToolbarPropsType } from "../../../../types/components";
 import { classNames } from "../../../../utils/utils";
 
-export default function NodeToolbarComponent({ data, setData, deleteNode }) {
+export default function NodeToolbarComponent({
+  data,
+  setData,
+  deleteNode,
+}: nodeToolbarPropsType): JSX.Element {
   const [nodeLength, setNodeLength] = useState(
-    Object.keys(data.node.template).filter(
+    Object.keys(data.node!.template).filter(
       (templateField) =>
         templateField.charAt(0) !== "_" &&
-        data.node.template[templateField].show &&
+        data.node?.template[templateField].show &&
         (data.node.template[templateField].type === "str" ||
           data.node.template[templateField].type === "bool" ||
           data.node.template[templateField].type === "float" ||
@@ -55,8 +60,8 @@ export default function NodeToolbarComponent({ data, setData, deleteNode }) {
                   {
                     x: 50,
                     y: 10,
-                    paneX: reactFlowInstance.getNode(data.id).position.x,
+                    paneX: reactFlowInstance.getNode(data.id)?.position.x,
-                    paneY: reactFlowInstance.getNode(data.id).position.y,
+                    paneY: reactFlowInstance.getNode(data.id)?.position.y,
                   }
                 );
               }}
@@ -67,23 +72,23 @@ export default function NodeToolbarComponent({ data, setData, deleteNode }) {
 
           <ShadTooltip
             content={
-              data.node.documentation === "" ? "Coming Soon" : "Documentation"
+              data.node?.documentation === "" ? "Coming Soon" : "Documentation"
             }
             side="top"
           >
             <a
               className={classNames(
                 "relative -ml-px inline-flex items-center bg-background px-2 py-2 text-foreground shadow-md ring-1 ring-inset ring-ring  transition-all duration-500 ease-in-out hover:bg-muted focus:z-10" +
-                  (data.node.documentation === ""
+                  (data.node?.documentation === ""
                     ? " text-muted-foreground"
                     : " text-foreground")
               )}
               target="_blank"
               rel="noopener noreferrer"
-              href={data.node.documentation}
+              href={data.node?.documentation}
               // deactivate link if no documentation is provided
               onClick={(event) => {
-                if (data.node.documentation === "") {
+                if (data.node?.documentation === "") {
                   event.preventDefault();
                 }
               }}

src/frontend/src/pages/FlowPage/index.tsx

@@ -1,16 +1,17 @@
 import { useContext, useEffect, useState } from "react";
 import { useParams } from "react-router-dom";
+import Header from "../../components/headerComponent";
 import { TabsContext } from "../../contexts/tabsContext";
 import { getVersion } from "../../controllers/API";
 import Page from "./components/PageComponent";
 
-export default function FlowPage() {
+export default function FlowPage(): JSX.Element {
   const { flows, tabId, setTabId } = useContext(TabsContext);
   const { id } = useParams();
 
   // Set flow tab id
   useEffect(() => {
-    setTabId(id);
+    setTabId(id!);
   }, [id]);
 
   // Initialize state variable for the version
@@ -22,11 +23,13 @@ export default function FlowPage() {
   }, []);
 
   return (
+    <>
+      <Header />
       <div className="flow-page-positioning">
         {flows.length > 0 &&
           tabId !== "" &&
           flows.findIndex((flow) => flow.id === tabId) !== -1 && (
-          <Page flow={flows.find((flow) => flow.id === tabId)} />
+            <Page flow={flows.find((flow) => flow.id === tabId)!} />
           )}
         <a
           target={"_blank"}
@@ -37,5 +40,6 @@ export default function FlowPage() {
           <div className={version ? "mt-2" : "mt-1"}>Created by Logspace</div>
         </a>
       </div>
+    </>
   );
 }

src/frontend/src/pages/MainPage/index.tsx

@@ -2,10 +2,11 @@ import { useContext, useEffect } from "react";
 import { Link, useNavigate } from "react-router-dom";
 import { CardComponent } from "../../components/cardComponent";
 import IconComponent from "../../components/genericIconComponent";
+import Header from "../../components/headerComponent";
 import { Button } from "../../components/ui/button";
 import { USER_PROJECTS_HEADER } from "../../constants/constants";
 import { TabsContext } from "../../contexts/tabsContext";
-export default function HomePage() {
+export default function HomePage(): JSX.Element {
   const { flows, setTabId, downloadFlows, uploadFlows, addFlow, removeFlow } =
     useContext(TabsContext);
 
@@ -17,6 +18,8 @@ export default function HomePage() {
 
   // Personal flows display
   return (
+    <>
+      <Header />
       <div className="main-page-panel">
         <div className="main-page-nav-arrangement">
           <span className="main-page-nav-title">
@@ -45,7 +48,7 @@ export default function HomePage() {
             <Button
               variant="primary"
               onClick={() => {
-              addFlow(null, true).then((id) => {
+                addFlow(null!, true).then((id) => {
                   navigate("/flow/" + id);
                 });
               }}
@@ -86,5 +89,6 @@ export default function HomePage() {
           ))}
         </div>
       </div>
+    </>
   );
 }