f393246e4f
* Use rich text editor on the description * Write a new line to description when the question is changed * Stop showing categories * Allow anyone to edit their own question
165 lines
4.5 KiB
TypeScript
165 lines
4.5 KiB
TypeScript
import CharacterCount from '@tiptap/extension-character-count'
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import Placeholder from '@tiptap/extension-placeholder'
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import {
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useEditor,
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EditorContent,
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FloatingMenu,
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JSONContent,
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Content,
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Editor,
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} from '@tiptap/react'
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import StarterKit from '@tiptap/starter-kit'
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import { Image } from '@tiptap/extension-image'
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import { Link } from '@tiptap/extension-link'
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import clsx from 'clsx'
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import { useEffect } from 'react'
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import { Linkify } from './linkify'
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import { uploadImage } from 'web/lib/firebase/storage'
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import { useMutation } from 'react-query'
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import { exhibitExts } from 'common/util/parse'
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import { FileUploadButton } from './file-upload-button'
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import { linkClass } from './site-link'
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const proseClass = clsx(
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'prose prose-p:my-2 prose-li:my-0 prose-blockquote:not-italic max-w-none prose-quoteless font-light'
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)
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export function useTextEditor(props: {
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placeholder?: string
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max?: number
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defaultValue?: Content
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disabled?: boolean
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}) {
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const { placeholder, max, defaultValue = '', disabled } = props
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const editorClass = clsx(
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proseClass,
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'box-content min-h-[6em] textarea textarea-bordered'
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)
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const editor = useEditor({
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editorProps: { attributes: { class: editorClass } },
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extensions: [
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StarterKit.configure({
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heading: { levels: [1, 2, 3] },
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}),
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Placeholder.configure({
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placeholder,
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emptyEditorClass:
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'before:content-[attr(data-placeholder)] before:text-slate-500 before:float-left before:h-0',
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}),
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CharacterCount.configure({ limit: max }),
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Image,
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Link.configure({
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HTMLAttributes: {
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class: clsx('no-underline !text-indigo-700', linkClass),
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},
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}),
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],
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content: defaultValue,
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})
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const upload = useUploadMutation(editor)
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editor?.setOptions({
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editorProps: {
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handlePaste(view, event) {
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const imageFiles = Array.from(event.clipboardData?.files ?? []).filter(
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(file) => file.type.startsWith('image')
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)
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if (!imageFiles.length) {
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return // if no files pasted, use default paste handler
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}
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event.preventDefault()
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upload.mutate(imageFiles)
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},
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},
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})
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useEffect(() => {
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editor?.setEditable(!disabled)
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}, [editor, disabled])
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return { editor, upload }
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}
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export function TextEditor(props: {
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editor: Editor | null
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upload: ReturnType<typeof useUploadMutation>
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}) {
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const { editor, upload } = props
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return (
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<>
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{/* hide placeholder when focused */}
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<div className="w-full [&:focus-within_p.is-empty]:before:content-none">
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{editor && (
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<FloatingMenu
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editor={editor}
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className="-ml-2 mr-2 w-full text-sm text-slate-300"
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>
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Type <em>*markdown*</em>. Paste or{' '}
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<FileUploadButton
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className="link text-blue-300"
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onFiles={upload.mutate}
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>
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upload
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</FileUploadButton>{' '}
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images!
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</FloatingMenu>
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)}
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<EditorContent editor={editor} />
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</div>
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{upload.isLoading && <span className="text-xs">Uploading image...</span>}
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{upload.isError && (
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<span className="text-error text-xs">Error uploading image :(</span>
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)}
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</>
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)
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}
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const useUploadMutation = (editor: Editor | null) =>
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useMutation(
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(files: File[]) =>
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// TODO: Images should be uploaded under a particular username
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Promise.all(files.map((file) => uploadImage('default', file))),
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{
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onSuccess(urls) {
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if (!editor) return
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let trans = editor.view.state.tr
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urls.forEach((src: any) => {
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const node = editor.view.state.schema.nodes.image.create({ src })
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trans = trans.insert(editor.view.state.selection.to, node)
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})
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editor.view.dispatch(trans)
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},
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}
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)
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function RichContent(props: { content: JSONContent }) {
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const { content } = props
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const editor = useEditor({
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editorProps: { attributes: { class: proseClass } },
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extensions: exhibitExts,
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content,
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editable: false,
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})
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useEffect(() => void editor?.commands?.setContent(content), [editor, content])
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return <EditorContent editor={editor} />
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}
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// backwards compatibility: we used to store content as strings
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export function Content(props: { content: JSONContent | string }) {
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const { content } = props
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return typeof content === 'string' ? (
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<div className="whitespace-pre-line break-words">
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<Linkify text={content} />
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</div>
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) : (
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<RichContent content={content} />
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)
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}
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