Get rid of casts

src/frontend/categorypicker.nim

@@ -1,6 +1,7 @@
 when defined(js):
   import sugar, httpcore, options, json, strutils, algorithm
   import dom except Event
+  import jsffi except `&`
 
   include karax/prelude
   import karax / [kajax, kdom, vstyles, vdom]
@@ -108,7 +109,7 @@ when defined(js):
     let form = dom.document.getElementById("add-category-form")
     let formData = newFormData(form)
 
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onAddCategoryPost(s, r, state))
 
   proc onClose(ev: Event, n: VNode, state: CategoryPicker) =

src/frontend/delete.nim

@@ -1,6 +1,7 @@
 when defined(js):
   import sugar, httpcore, options, json
   import dom except Event
+  import jsffi except `&`
 
   include karax/prelude
   import karax / [kajax, kdom]
@@ -59,7 +60,7 @@ when defined(js):
       formData.append("id", $state.post.id)
     of DeleteThread:
       formData.append("id", $state.thread.id)
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onDeletePost(s, r, state))
 
   proc onClose(ev: Event, n: VNode, state: DeleteModal) =

src/frontend/editbox.nim

@@ -1,5 +1,6 @@
 when defined(js):
   import httpcore, options, sugar, json
+  import jsffi except `&`
 
   include karax/prelude
   import karax/kajax
@@ -54,7 +55,7 @@ when defined(js):
     formData.append("postId", $state.post.id)
     # TODO: Subject
     let uri = makeUri("/updatePost")
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onEditPost(s, r, state))
 
   proc render*(state: EditBox, post: Post): VNode =

src/frontend/login.nim

@@ -1,6 +1,7 @@
 when defined(js):
   import sugar, httpcore, options, json
   import dom except Event, KeyboardEvent
+  import jsffi except `&`
 
   include karax/prelude
   import karax / [kajax, kdom]
@@ -30,7 +31,7 @@ when defined(js):
     let form = dom.document.getElementById("login-form")
     # TODO: This is a hack, karax should support this.
     let formData = newFormData(form)
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onLogInPost(s, r, state))
 
   proc onClose(ev: Event, n: VNode, state: LoginModal) =

src/frontend/postbutton.nim

@@ -7,6 +7,7 @@ import options, httpcore, json, sugar, sequtils, strutils
 when defined(js):
   include karax/prelude
   import karax/[kajax, kdom]
+  import jsffi except `&`
 
   import error, karaxutils, post, user, threadlist
 
@@ -116,7 +117,7 @@ when defined(js):
         makeUri("/unlike")
       else:
         makeUri("/like")
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) =>
                 onPost(s, r, state, post, currentUser.get()))
 
@@ -172,7 +173,7 @@ when defined(js):
         makeUri("/unlock")
       else:
         makeUri("/lock")
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) =>
                 onPost(s, r, state, thread))
 

src/frontend/profilesettings.nim

@@ -1,5 +1,6 @@
 when defined(js):
   import httpcore, options, sugar, json, strutils, strformat
+  import jsffi except `&`
 
   include karax/prelude
   import karax/[kajax, kdom]
@@ -68,7 +69,7 @@ when defined(js):
     formData.append("rank", $state.rank)
     formData.append("username", $state.profile.user.name)
     let uri = makeUri("/saveProfile")
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onProfilePost(s, r, state))
 
   proc needsSave(state: ProfileSettings): bool =

src/frontend/replybox.nim

@@ -1,5 +1,6 @@
 when defined(js):
   import strformat, options, httpcore, json, sugar
+  import jsffi except `&`
 
   from dom import getElementById, scrollIntoView, setTimeout
 
@@ -56,7 +57,7 @@ when defined(js):
     let formData = newFormData()
     formData.append("msg", state.text)
     let uri = makeUri("/preview")
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onPreviewPost(s, r, state))
 
   proc onMessageClick(e: Event, n: VNode, state: ReplyBox) =
@@ -80,7 +81,7 @@ when defined(js):
     if replyingTo.isSome:
       formData.append("replyingTo", $replyingTo.get().id)
     let uri = makeUri("/createPost")
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onReplyPost(s, r, state))
 
   proc onCancelClick(e: Event, n: VNode, state: ReplyBox) =

src/frontend/resetpassword.nim

@@ -1,6 +1,7 @@
 when defined(js):
   import sugar, httpcore, options, json
   import dom except Event, KeyboardEvent
+  import jsffi except `&`
 
   include karax/prelude
   import karax / [kajax, kdom]
@@ -86,7 +87,7 @@ when defined(js):
     let form = dom.document.getElementById("resetpassword-form")
     # TODO: This is a hack, karax should support this.
     let formData = newFormData(form)
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onPost(s, r, state))
 
     ev.preventDefault()

src/frontend/signup.nim

@@ -1,6 +1,7 @@
 when defined(js):
   import sugar, httpcore, options, json
   import dom except Event
+  import jsffi except `&`
 
   include karax/prelude
   import karax / [kajax, kdom]
@@ -28,7 +29,7 @@ when defined(js):
     let form = dom.document.getElementById("signup-form")
     # TODO: This is a hack, karax should support this.
     let formData = newFormData(form)
-    ajaxPost(uri, @[], cast[cstring](formData),
+    ajaxPost(uri, @[], formData.to(cstring),
              (s: int, r: kstring) => onSignUpPost(s, r, state))
 
   proc onClose(ev: Event, n: VNode, state: SignupModal) =