Add a nice progress bar for the convert step

lib/convert.js

@@ -3,14 +3,24 @@ const path = require("path");
 const fs = require("fs").promises;
 const throat = require("throat");
 const { JSDOM } = require("jsdom");
+const cliProgress = require("cli-progress");
 const substitutions = require("./substitutions.json");
 
 module.exports = async (cachePath, manifestPath, contentPath, concurrentJobs) => {
   const manifestContents = await fs.readFile(manifestPath, { encoding: "utf-8" });
   const chapters = JSON.parse(manifestContents);
-  console.log("All chapters downloaded; beginning conversion to EPUB chapters");
 
-  const mapper = throat(concurrentJobs, chapter => convertChapter(chapter, cachePath, contentPath));
+  console.log("Converting raw downloaded HTML to EPUB chapters");
+  const progress = new cliProgress.SingleBar({
+    stopOnComplete: true,
+    clearOnComplete: true
+  }, cliProgress.Presets.shades_classic);
+  progress.start(chapters.length, 0);
+
+  const mapper = throat(concurrentJobs, async chapter => {
+    await convertChapter(chapter, cachePath, contentPath);
+    progress.increment();
+  });
   await Promise.all(chapters.map(mapper));
 
   console.log("All chapters converted");
@@ -32,7 +42,6 @@ async function convertChapter(chapter, cachePath, contentPath) {
   const destFilePath = path.resolve(contentPath, destFileName);
 
   await fs.writeFile(destFilePath, output);
-  console.log(`- Finished converting ${filename}`);
 }
 
 function getChapterString(chapter, rawChapterDoc) {

npm-shrinkwrap.json

@@ -335,6 +335,15 @@
         }
       }
     },
+    "cli-progress": {
+      "version": "3.8.2",
+      "resolved": "https://registry.npmjs.org/cli-progress/-/cli-progress-3.8.2.tgz",
+      "integrity": "sha512-qRwBxLldMSfxB+YGFgNRaj5vyyHe1yMpVeDL79c+7puGujdKJHQHydgqXDcrkvQgJ5U/d3lpf6vffSoVVUftVQ==",
+      "requires": {
+        "colors": "^1.1.2",
+        "string-width": "^4.2.0"
+      }
+    },
     "cliui": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-6.0.0.tgz",
@@ -358,6 +367,11 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
     },
+    "colors": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
+      "integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA=="
+    },
     "combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",

package.json

@@ -24,6 +24,7 @@
   },
   "dependencies": {
     "archiver": "^4.0.1",
+    "cli-progress": "^3.8.2",
     "cpr": "^3.0.1",
     "jsdom": "^16.2.2",
     "requisition": "^1.5.0",