dabric.xyz
forked from
jollywhoppers.com/witchsky.app
Bluesky app fork with some witchin' additions 馃挮
scanash.com
1import {
2 useCallback,
3 useEffect,
4 useImperativeHandle,
5 useMemo,
6 useRef,
7 useState,
8} from 'react'
9import {StyleSheet, View} from 'react-native'
10import Animated, {FadeIn, FadeOut} from 'react-native-reanimated'
11import {AppBskyRichtextFacet, RichText, UnicodeString} from '@atproto/api'
12import {Trans} from '@lingui/macro'
13import {Document} from '@tiptap/extension-document'
14import Hardbreak from '@tiptap/extension-hard-break'
15import History from '@tiptap/extension-history'
16import {Mention} from '@tiptap/extension-mention'
17import {Paragraph} from '@tiptap/extension-paragraph'
18import {Placeholder} from '@tiptap/extension-placeholder'
19import {Text as TiptapText} from '@tiptap/extension-text'
20import {generateJSON} from '@tiptap/html'
21import {Fragment, Node, Slice} from '@tiptap/pm/model'
22import {EditorContent, type JSONContent, useEditor} from '@tiptap/react'
23import Graphemer from 'graphemer'
24
25import {useColorSchemeStyle} from '#/lib/hooks/useColorSchemeStyle'
26import {blobToDataUri, isUriImage} from '#/lib/media/util'
27import {useActorAutocompleteFn} from '#/state/queries/actor-autocomplete'
28import {
29 type LinkFacetMatch,
30 suggestLinkCardUri,
31} from '#/view/com/composer/text-input/text-input-util'
32import {textInputWebEmitter} from '#/view/com/composer/text-input/textInputWebEmitter'
33import {atoms as a, useAlf} from '#/alf'
34import {normalizeTextStyles} from '#/alf/typography'
35import {Portal} from '#/components/Portal'
36import {Text} from '#/components/Typography'
37import {type TextInputProps} from './TextInput.types'
38import {type AutocompleteRef, createSuggestion} from './web/Autocomplete'
39import {type Emoji} from './web/EmojiPicker'
40import {LinkDecorator} from './web/LinkDecorator'
41import {TagDecorator} from './web/TagDecorator'
42
43export function TextInput({
44 ref,
45 richtext,
46 placeholder,
47 webForceMinHeight,
48 hasRightPadding,
49 isActive,
50 setRichText,
51 onPhotoPasted,
52 onPressPublish,
53 onNewLink,
54 onFocus,
55}: TextInputProps) {
56 const {theme: t, fonts} = useAlf()
57 const autocomplete = useActorAutocompleteFn()
58 const modeClass = useColorSchemeStyle('ProseMirror-light', 'ProseMirror-dark')
59
60 const [isDropping, setIsDropping] = useState(false)
61 const autocompleteRef = useRef<AutocompleteRef>(null)
62
63 const extensions = useMemo(
64 () => [
65 Document,
66 LinkDecorator,
67 TagDecorator,
68 Mention.configure({
69 HTMLAttributes: {
70 class: 'mention',
71 },
72 suggestion: createSuggestion({autocomplete, autocompleteRef}),
73 }),
74 Paragraph,
75 Placeholder.configure({
76 placeholder,
77 }),
78 TiptapText,
79 History,
80 Hardbreak,
81 ],
82 [autocomplete, placeholder],
83 )
84
85 useEffect(() => {
86 if (!isActive) {
87 return
88 }
89 textInputWebEmitter.addListener('publish', onPressPublish)
90 return () => {
91 textInputWebEmitter.removeListener('publish', onPressPublish)
92 }
93 }, [onPressPublish, isActive])
94
95 useEffect(() => {
96 if (!isActive) {
97 return
98 }
99 textInputWebEmitter.addListener('media-pasted', onPhotoPasted)
100 return () => {
101 textInputWebEmitter.removeListener('media-pasted', onPhotoPasted)
102 }
103 }, [isActive, onPhotoPasted])
104
105 useEffect(() => {
106 if (!isActive) {
107 return
108 }
109
110 const handleDrop = (event: DragEvent) => {
111 const transfer = event.dataTransfer
112 if (transfer) {
113 const items = transfer.items
114
115 getImageOrVideoFromUri(items, (uri: string) => {
116 textInputWebEmitter.emit('media-pasted', uri)
117 })
118 }
119
120 event.preventDefault()
121 setIsDropping(false)
122 }
123 const handleDragEnter = (event: DragEvent) => {
124 const transfer = event.dataTransfer
125
126 event.preventDefault()
127 if (transfer && transfer.types.includes('Files')) {
128 setIsDropping(true)
129 }
130 }
131 const handleDragLeave = (event: DragEvent) => {
132 event.preventDefault()
133 setIsDropping(false)
134 }
135
136 document.body.addEventListener('drop', handleDrop)
137 document.body.addEventListener('dragenter', handleDragEnter)
138 document.body.addEventListener('dragover', handleDragEnter)
139 document.body.addEventListener('dragleave', handleDragLeave)
140
141 return () => {
142 document.body.removeEventListener('drop', handleDrop)
143 document.body.removeEventListener('dragenter', handleDragEnter)
144 document.body.removeEventListener('dragover', handleDragEnter)
145 document.body.removeEventListener('dragleave', handleDragLeave)
146 }
147 }, [setIsDropping, isActive])
148
149 const pastSuggestedUris = useRef(new Set<string>())
150 const prevDetectedUris = useRef(new Map<string, LinkFacetMatch>())
151 const editor = useEditor(
152 {
153 extensions,
154 coreExtensionOptions: {
155 clipboardTextSerializer: {
156 blockSeparator: '\n',
157 },
158 },
159 onFocus() {
160 onFocus?.()
161 },
162 editorProps: {
163 attributes: {
164 class: modeClass,
165 },
166 clipboardTextParser: (text, context) => {
167 const blocks = text.split(/(?:\r\n?|\n)/)
168 const nodes: Node[] = blocks.map(line => {
169 return Node.fromJSON(
170 context.doc.type.schema,
171 line.length > 0
172 ? {type: 'paragraph', content: [{type: 'text', text: line}]}
173 : {type: 'paragraph', content: []},
174 )
175 })
176
177 const fragment = Fragment.fromArray(nodes)
178 return Slice.maxOpen(fragment)
179 },
180 handlePaste: (view, event) => {
181 const clipboardData = event.clipboardData
182 let preventDefault = false
183
184 if (clipboardData) {
185 if (clipboardData.types.includes('text/html')) {
186 // Rich-text formatting is pasted, try retrieving plain text
187 const text = clipboardData.getData('text/plain')
188 // `pasteText` will invoke this handler again, but `clipboardData` will be null.
189 view.pasteText(text)
190 preventDefault = true
191 }
192 getImageOrVideoFromUri(clipboardData.items, (uri: string) => {
193 textInputWebEmitter.emit('media-pasted', uri)
194 })
195 if (preventDefault) {
196 // Return `true` to prevent ProseMirror's default paste behavior.
197 return true
198 }
199 }
200 },
201 handleKeyDown: (view, event) => {
202 if ((event.metaKey || event.ctrlKey) && event.code === 'Enter') {
203 textInputWebEmitter.emit('publish')
204 return true
205 }
206
207 if (
208 event.code === 'Backspace' &&
209 !(event.metaKey || event.altKey || event.ctrlKey)
210 ) {
211 const isNotSelection = view.state.selection.empty
212 if (isNotSelection) {
213 const cursorPosition = view.state.selection.$anchor.pos
214 const textBefore = view.state.doc.textBetween(
215 0,
216 cursorPosition,
217 // important - use \n as a block separator, otherwise
218 // all the lines get mushed together -sfn
219 '\n',
220 )
221 const graphemes = new Graphemer().splitGraphemes(textBefore)
222
223 if (graphemes.length > 0) {
224 const lastGrapheme = graphemes[graphemes.length - 1]
225 // deleteRange doesn't work on newlines, because tiptap
226 // treats them as separate 'blocks' and we're using \n
227 // as a stand-in. bail out if the last grapheme is a newline
228 // to let the default behavior handle it -sfn
229 if (lastGrapheme !== '\n') {
230 // otherwise, delete the last grapheme using deleteRange,
231 // so that emojis are deleted as a whole
232 const deleteFrom = cursorPosition - lastGrapheme.length
233 editor?.commands.deleteRange({
234 from: deleteFrom,
235 to: cursorPosition,
236 })
237 return true
238 }
239 }
240 }
241 }
242 },
243 },
244 content: generateJSON(textToHtml(richtext.text.toString()), extensions, {
245 preserveWhitespace: 'full',
246 }),
247 autofocus: 'end',
248 editable: true,
249 injectCSS: true,
250 shouldRerenderOnTransaction: false,
251 onCreate({editor: editorProp}) {
252 // HACK
253 // the 'enter' animation sometimes causes autofocus to fail
254 // (see Composer.web.tsx in shell)
255 // so we wait 200ms (the anim is 150ms) and then focus manually
256 // -prf
257 setTimeout(() => {
258 editorProp.chain().focus('end').run()
259 }, 200)
260 },
261 onUpdate({editor: editorProp}) {
262 const json = editorProp.getJSON()
263 const newText = editorJsonToText(json)
264 const isPaste = window.event?.type === 'paste'
265
266 const newRt = new RichText({text: newText})
267 newRt.detectFacetsWithoutResolution()
268
269 const markdownFacets: AppBskyRichtextFacet.Main[] = []
270 const regex = /\[([^\]]+)\]\s*\(([^)]+)\)/g
271 let match
272 while ((match = regex.exec(newText)) !== null) {
273 const [fullMatch, _linkText, linkUrl] = match
274 const matchStart = match.index
275 const matchEnd = matchStart + fullMatch.length
276 const prefix = newText.slice(0, matchStart)
277 const matchStr = newText.slice(matchStart, matchEnd)
278 const byteStart = new UnicodeString(prefix).length
279 const byteEnd = byteStart + new UnicodeString(matchStr).length
280
281 let validUrl = linkUrl
282 if (
283 !validUrl.startsWith('http://') &&
284 !validUrl.startsWith('https://') &&
285 !validUrl.startsWith('mailto:')
286 ) {
287 validUrl = `https://${validUrl}`
288 }
289
290 markdownFacets.push({
291 index: {byteStart, byteEnd},
292 features: [
293 { $type: 'app.bsky.richtext.facet#link', uri: validUrl },
294 ],
295 })
296 }
297
298 if (markdownFacets.length > 0) {
299 const nonOverlapping = (newRt.facets || []).filter(f => {
300 return !markdownFacets.some(mf => {
301 return (
302 (f.index.byteStart >= mf.index.byteStart &&
303 f.index.byteStart < mf.index.byteEnd) ||
304 (f.index.byteEnd > mf.index.byteStart &&
305 f.index.byteEnd <= mf.index.byteEnd) ||
306 (mf.index.byteStart >= f.index.byteStart &&
307 mf.index.byteStart < f.index.byteEnd)
308 )
309 })
310 })
311 newRt.facets = [...nonOverlapping, ...markdownFacets].sort(
312 (a, b) => a.index.byteStart - b.index.byteStart,
313 )
314 }
315
316 setRichText(newRt)
317
318 const nextDetectedUris = new Map<string, LinkFacetMatch>()
319 if (newRt.facets) {
320 for (const facet of newRt.facets) {
321 for (const feature of facet.features) {
322 if (AppBskyRichtextFacet.isLink(feature)) {
323 nextDetectedUris.set(feature.uri, {facet, rt: newRt})
324 }
325 }
326 }
327 }
328
329 const suggestedUri = suggestLinkCardUri(
330 isPaste,
331 nextDetectedUris,
332 prevDetectedUris.current,
333 pastSuggestedUris.current,
334 )
335 prevDetectedUris.current = nextDetectedUris
336 if (suggestedUri) {
337 onNewLink(suggestedUri)
338 }
339 },
340 },
341 [modeClass],
342 )
343
344 const onEmojiInserted = useCallback(
345 (emoji: Emoji) => {
346 editor?.chain().focus().insertContent(emoji.native).run()
347 },
348 [editor],
349 )
350 useEffect(() => {
351 if (!isActive) {
352 return
353 }
354 textInputWebEmitter.addListener('emoji-inserted', onEmojiInserted)
355 return () => {
356 textInputWebEmitter.removeListener('emoji-inserted', onEmojiInserted)
357 }
358 }, [onEmojiInserted, isActive])
359
360 useImperativeHandle(ref, () => ({
361 focus: () => {
362 editor?.chain().focus()
363 },
364 blur: () => {
365 editor?.chain().blur()
366 },
367 getCursorPosition: () => {
368 const pos = editor?.state.selection.$anchor.pos
369 return pos ? editor?.view.coordsAtPos(pos) : undefined
370 },
371 maybeClosePopup: () => autocompleteRef.current?.maybeClose() ?? false,
372 }))
373
374 const inputStyle = useMemo(() => {
375 const style = normalizeTextStyles(
376 [a.text_lg, a.leading_snug, t.atoms.text],
377 {
378 fontScale: fonts.scaleMultiplier,
379 fontFamily: fonts.family,
380 flags: {},
381 },
382 )
383 /*
384 * TipTap component isn't a RN View and while it seems to convert
385 * `fontSize` to `px`, it doesn't convert `lineHeight`.
386 *
387 * `lineHeight` should always be defined here, this is defensive.
388 */
389 style.lineHeight = style.lineHeight
390 ? ((style.lineHeight + 'px') as unknown as number)
391 : undefined
392 style.minHeight = webForceMinHeight ? 140 : undefined
393 return style
394 }, [t, fonts, webForceMinHeight])
395
396 return (
397 <>
398 <View style={[styles.container, hasRightPadding && styles.rightPadding]}>
399 {/* @ts-ignore inputStyle is fine */}
400 <EditorContent editor={editor} style={inputStyle} />
401 </View>
402
403 {isDropping && (
404 <Portal>
405 <Animated.View
406 style={styles.dropContainer}
407 entering={FadeIn.duration(80)}
408 exiting={FadeOut.duration(80)}>
409 <View
410 style={[
411 t.atoms.bg,
412 t.atoms.border_contrast_low,
413 styles.dropModal,
414 ]}>
415 <Text
416 style={[
417 a.text_lg,
418 a.font_semi_bold,
419 t.atoms.text_contrast_medium,
420 t.atoms.border_contrast_high,
421 styles.dropText,
422 ]}>
423 <Trans>Drop to add images</Trans>
424 </Text>
425 </View>
426 </Animated.View>
427 </Portal>
428 )}
429 </>
430 )
431}
432
433function editorJsonToText(
434 json: JSONContent,
435 isLastDocumentChild: boolean = false,
436): string {
437 let text = ''
438 if (json.type === 'doc') {
439 if (json.content?.length) {
440 for (let i = 0; i < json.content.length; i++) {
441 const node = json.content[i]
442 const isLastNode = i === json.content.length - 1
443 text += editorJsonToText(node, isLastNode)
444 }
445 }
446 } else if (json.type === 'paragraph') {
447 if (json.content?.length) {
448 for (let i = 0; i < json.content.length; i++) {
449 const node = json.content[i]
450 text += editorJsonToText(node)
451 }
452 }
453 if (!isLastDocumentChild) {
454 text += '\n'
455 }
456 } else if (json.type === 'hardBreak') {
457 text += '\n'
458 } else if (json.type === 'text') {
459 text += json.text || ''
460 } else if (json.type === 'mention') {
461 text += `@${json.attrs?.id || ''}`
462 }
463 return text
464}
465
466const styles = StyleSheet.create({
467 container: {
468 flex: 1,
469 alignSelf: 'flex-start',
470 padding: 5,
471 marginLeft: 8,
472 marginBottom: 10,
473 },
474 rightPadding: {
475 paddingRight: 32,
476 },
477 dropContainer: {
478 backgroundColor: '#0007',
479 pointerEvents: 'none',
480 alignItems: 'center',
481 justifyContent: 'center',
482 // @ts-ignore web only -prf
483 position: 'fixed',
484 padding: 16,
485 top: 0,
486 bottom: 0,
487 left: 0,
488 right: 0,
489 },
490 dropModal: {
491 // @ts-ignore web only
492 boxShadow: 'rgba(0, 0, 0, 0.3) 0px 5px 20px',
493 padding: 8,
494 borderWidth: 1,
495 borderRadius: 16,
496 },
497 dropText: {
498 paddingVertical: 44,
499 paddingHorizontal: 36,
500 borderStyle: 'dashed',
501 borderRadius: 8,
502 borderWidth: 2,
503 },
504})
505
506function textToHtml(text: string): string {
507 return text
508 .replace(/&/g, '&')
509 .replace(/</g, '<')
510 .replace(/>/g, '>')
511 .replace(/\n/g, '<br>')
512}
513
514function getImageOrVideoFromUri(
515 items: DataTransferItemList,
516 callback: (uri: string) => void,
517) {
518 for (let index = 0; index < items.length; index++) {
519 const item = items[index]
520 const type = item.type
521
522 if (type === 'text/plain') {
523 item.getAsString(async itemString => {
524 if (isUriImage(itemString)) {
525 const response = await fetch(itemString)
526 const blob = await response.blob()
527
528 if (blob.type.startsWith('image/')) {
529 blobToDataUri(blob).then(callback, err => console.error(err))
530 }
531
532 if (blob.type.startsWith('video/')) {
533 blobToDataUri(blob).then(callback, err => console.error(err))
534 }
535 }
536 })
537 } else if (type.startsWith('image/')) {
538 const file = item.getAsFile()
539
540 if (file) {
541 blobToDataUri(file).then(callback, err => console.error(err))
542 }
543 } else if (type.startsWith('video/')) {
544 const file = item.getAsFile()
545
546 if (file) {
547 blobToDataUri(file).then(callback, err => console.error(err))
548 }
549 }
550 }
551}