fancy text editor

src/App.tsx

@@ -2,7 +2,7 @@ import { BrowserRouter, Route, Routes } from 'react-router'
 import HomePage from './pages/HomePage.tsx'
 import { PostsService } from './model/posts/postsService.ts'
 import AuthorPage from './pages/AuthorPage.tsx'
-import { MediaService } from './pages/mediaService.ts'
+import { MediaService } from './model/mediaService.ts'
 
 function App() {
   const postService = new PostsService()

src/components/FancyTextEditor.tsx

@@ -0,0 +1,95 @@
+import { useRef, useEffect, KeyboardEvent, useState } from 'react'
+
+interface TextInputProps {
+  value: string
+  onInput: (value: string) => void
+  onKeyDown: (e: TextInputKeyDownEvent) => void
+  className?: string
+  placeholder?: string
+}
+
+export interface TextInputKeyDownEvent {
+  key: string
+  ctrlKey: boolean
+  preventDefault: () => void
+}
+
+export default function FancyTextEditor({
+  value: _value,
+  onInput,
+  onKeyDown,
+  className,
+  placeholder,
+}: TextInputProps) {
+  const divRef = useRef<HTMLDivElement>(null)
+  const [hasFocus, setHasFocus] = useState(false)
+
+  // the contenteditable likes to slip in newlines at the bottom of our innerText
+  // which makes it bad to check for empty string because it might be "\n"
+  // so we just trim it upfront and then fogeddaboudit
+  const value = _value.trim()
+
+  // The funky mechanics here are to stop the cursor from jumping back the start.
+  // It probably will have the cursor jump to the start if anything changes programmatically,
+  // which is probably unnecessary anyway
+  useEffect(() => {
+    const div = divRef.current
+    if (div == null) {
+      return
+    }
+
+    if (!value && !hasFocus) {
+      div.innerText = placeholder ?? ''
+    } else if (div.innerText !== value) {
+      div.innerText = value
+    }
+  }, [hasFocus, placeholder, value])
+
+  useEffect(() => {
+    const div = divRef.current!
+    if (div == null) {
+      return
+    }
+
+    const inputListener = () => {
+      onInput(div.innerText)
+    }
+
+    const blurListener = () => {
+      setHasFocus(false)
+      if (!value) {
+        div.innerText = placeholder ?? ''
+      }
+    }
+
+    const focusListener = () => {
+      setHasFocus(true)
+      div.innerText = value
+    }
+
+    div.addEventListener('input', inputListener)
+    div.addEventListener('blur', blurListener)
+    div.addEventListener('focus', focusListener)
+
+    return () => {
+      div.removeEventListener('focus', focusListener)
+      div.removeEventListener('blur', blurListener)
+      div.removeEventListener('input', inputListener)
+    }
+  }, [onInput, placeholder, value])
+
+  const handleKeyDown = (e: KeyboardEvent<HTMLDivElement>) => {
+    onKeyDown(e)
+  }
+
+  const textColour = value ? 'text-gray-900' : 'text-gray-500'
+  return (
+    <div
+      ref={divRef}
+      className={`w-full p-3 resize-none border border-gray-200 rounded-md focus:outline-none focus:border-gray-300 ${textColour} min-h-30 ${className ?? ''}`}
+      contentEditable
+      onKeyDown={handleKeyDown}
+      suppressContentEditableWarning
+    ></div>
+  )
+}

src/components/NewPostWidget.tsx

@@ -1,4 +1,5 @@
 import { useState, ChangeEvent } from 'react'
+import FancyTextEditor, { TextInputKeyDownEvent } from './FancyTextEditor.tsx'
 
 interface NewPostWidgetProps {
   onSubmit: (content: string, media: File[]) => void
@@ -15,8 +16,8 @@ export default function NewPostWidget({ onSubmit, isSubmitting = false }: NewPos
   const [content, setContent] = useState('')
   const [attachments, setAttachments] = useState<Attachment[]>([])
 
-  const handleContentChange = (e: ChangeEvent<HTMLTextAreaElement>) => {
-    setContent(e.target.value)
+  const onContentInput = (value: string) => {
+    setContent(value)
   }
 
   const handleMediaChange = (e: ChangeEvent<HTMLInputElement>) => {
@@ -56,15 +57,21 @@ export default function NewPostWidget({ onSubmit, isSubmitting = false }: NewPos
     URL.revokeObjectURL(attachment.objectUrl)
   }
 
+  const onInputKeyDown = (e: TextInputKeyDownEvent) => {
+    if (e.key === 'Enter' && e.ctrlKey) {
+      e.preventDefault()
+      handleSubmit()
+    }
+  }
+
   return (
     <div className="w-full p-4 border-b border-gray-200">
-      <textarea
-        className="w-full p-2 mb-3 resize-none border border-gray-200 rounded-md focus:outline-none focus:border-gray-300"
-        placeholder="Write something..."
+      <FancyTextEditor
         value={content}
-        onChange={handleContentChange}
-        rows={3}
-        disabled={isSubmitting}
+        onInput={onContentInput}
+        onKeyDown={onInputKeyDown}
+        className="mb-3"
+        placeholder="write something..."
       />
 
       {attachments.length > 0 && (

src/components/PostItem.tsx

@@ -45,7 +45,13 @@ export default function PostItem({ post, index }: PostItemProps) {
       {post.media.length > 0 && (
         <div className="grid gap-4 grid-cols-1">
           {post.media.map((src) => (
-            <img key={src} src={src} alt="" className="w-full h-auto" loading="lazy" />
+            <img
+              key={src.toString()}
+              src={src.toString()}
+              alt="todo sry :("
+              className="w-full h-auto"
+              loading="lazy"
+            />
           ))}
         </div>
       )}

src/pages/HomePage.tsx

@@ -2,7 +2,7 @@ import { useCallback, useState } from 'react'
 import FeedView from '../feed/FeedView.tsx'
 import { PostsService } from '../model/posts/postsService.ts'
 import { useUserStore } from '../store/userStore.ts'
-import { MediaService } from './mediaService.ts'
+import { MediaService } from '../model/mediaService.ts'
 import NewPostWidget from '../components/NewPostWidget.tsx'
 import { useFeedViewModel } from '../feed/feedViewModel.ts'
 import { Post } from '../model/posts/posts.ts'