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* implement AutoLinkMentionPlugin * add MentionableUrlBadge & remove unnecessary onAddMention on NewMentionsPlugin * set displayed mentionable on mention added * process html to markdown and include in prompt
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src/components/chat-view/chat-input/plugins/mention/AutoLinkMentionPlugin.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext' | ||
| import { | ||
| $createTextNode, | ||
| $getSelection, | ||
| $isRangeSelection, | ||
| COMMAND_PRIORITY_LOW, | ||
| PASTE_COMMAND, | ||
| PasteCommandType, | ||
| TextNode, | ||
| } from 'lexical' | ||
| import { useEffect } from 'react' | ||
|
|
||
| import { Mentionable, MentionableUrl } from '../../../../../types/mentionable' | ||
| import { | ||
| getMentionableName, | ||
| serializeMentionable, | ||
| } from '../../../../../utils/mentionable' | ||
|
|
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| import { $createMentionNode } from './MentionNode' | ||
|
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| const URL_MATCHER = | ||
| /^((https?:\/\/(www\.)?)|(www\.))[-a-zA-Z0-9@:%._+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_+.~#?&//=]*)$/ | ||
|
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||
| type URLMatch = { | ||
| index: number | ||
| length: number | ||
| text: string | ||
| url: string | ||
| } | ||
|
|
||
| function findURLs(text: string): URLMatch[] { | ||
| const urls: URLMatch[] = [] | ||
|
|
||
| let lastIndex = 0 | ||
| for (const word of text.split(' ')) { | ||
| if (URL_MATCHER.test(word)) { | ||
| urls.push({ | ||
| index: lastIndex, | ||
| length: word.length, | ||
| text: word, | ||
| url: word.startsWith('http') ? word : `https://${word}`, | ||
| // attributes: { rel: 'noreferrer', target: '_blank' }, // Optional link attributes | ||
| }) | ||
| } | ||
|
|
||
| lastIndex += word.length + 1 // +1 for space | ||
| } | ||
|
|
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| return urls | ||
| } | ||
|
|
||
| function $textNodeTransform(node: TextNode) { | ||
| if (!node.isSimpleText()) { | ||
| return | ||
| } | ||
|
|
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| const text = node.getTextContent() | ||
|
|
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| // Find only 1st occurrence as transform will be re-run anyway for the rest | ||
| // because newly inserted nodes are considered to be dirty | ||
| const urlMatches = findURLs(text) | ||
| if (urlMatches.length === 0) { | ||
| return | ||
| } | ||
| const urlMatch = urlMatches[0] | ||
|
|
||
| // Get the current selection | ||
| const selection = $getSelection() | ||
|
|
||
| // Check if the selection is a RangeSelection and the cursor is at the end of the URL | ||
| if ( | ||
| $isRangeSelection(selection) && | ||
| selection.anchor.key === node.getKey() && | ||
| selection.focus.key === node.getKey() && | ||
| selection.anchor.offset === urlMatch.index + urlMatch.length && | ||
| selection.focus.offset === urlMatch.index + urlMatch.length | ||
| ) { | ||
| // If the cursor is at the end of the URL, don't transform | ||
| return | ||
| } | ||
|
|
||
| let targetNode | ||
| if (urlMatch.index === 0) { | ||
| // First text chunk within string, splitting into 2 parts | ||
| ;[targetNode] = node.splitText(urlMatch.index + urlMatch.length) | ||
| } else { | ||
| // In the middle of a string | ||
| ;[, targetNode] = node.splitText( | ||
| urlMatch.index, | ||
| urlMatch.index + urlMatch.length, | ||
| ) | ||
| } | ||
|
|
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| const mentionable: MentionableUrl = { | ||
| type: 'url', | ||
| url: urlMatch.url, | ||
| } | ||
|
|
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| const mentionNode = $createMentionNode( | ||
| getMentionableName(mentionable), | ||
| serializeMentionable(mentionable), | ||
| ) | ||
|
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| targetNode.replace(mentionNode) | ||
|
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| const spaceNode = $createTextNode(' ') | ||
| mentionNode.insertAfter(spaceNode) | ||
|
|
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| spaceNode.select() | ||
| } | ||
|
|
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| function $handlePaste(event: PasteCommandType) { | ||
| const clipboardData = | ||
| event instanceof ClipboardEvent ? event.clipboardData : null | ||
|
|
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| if (!clipboardData) return false | ||
|
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| const text = clipboardData.getData('text/plain') | ||
|
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| const urlMatches = findURLs(text) | ||
| if (urlMatches.length === 0) { | ||
| return false | ||
| } | ||
|
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| const selection = $getSelection() | ||
| if (!$isRangeSelection(selection)) { | ||
| return false | ||
| } | ||
|
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| const nodes = [] | ||
| const addedMentionables: Mentionable[] = [] | ||
| let lastIndex = 0 | ||
|
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| urlMatches.forEach((urlMatch) => { | ||
| // Add text node for unmatched part | ||
| if (urlMatch.index > lastIndex) { | ||
| nodes.push($createTextNode(text.slice(lastIndex, urlMatch.index))) | ||
| } | ||
|
|
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| const mentionable: MentionableUrl = { | ||
| type: 'url', | ||
| url: urlMatch.url, | ||
| } | ||
|
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| // Add mention node | ||
| nodes.push( | ||
| $createMentionNode(urlMatch.text, serializeMentionable(mentionable)), | ||
| ) | ||
| addedMentionables.push(mentionable) | ||
|
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| lastIndex = urlMatch.index + urlMatch.length | ||
|
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| // Add space node after mention if next character is not space or end of string | ||
| if (lastIndex >= text.length || text[lastIndex] !== ' ') { | ||
| nodes.push($createTextNode(' ')) | ||
| } | ||
| }) | ||
|
|
||
| // Add remaining text if any | ||
| if (lastIndex < text.length) { | ||
| nodes.push($createTextNode(text.slice(lastIndex))) | ||
| } | ||
|
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| selection.insertNodes(nodes) | ||
| return true | ||
| } | ||
|
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| export default function AutoLinkMentionPlugin() { | ||
| const [editor] = useLexicalComposerContext() | ||
|
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| useEffect(() => { | ||
| editor.registerCommand(PASTE_COMMAND, $handlePaste, COMMAND_PRIORITY_LOW) | ||
|
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| editor.registerNodeTransform(TextNode, $textNodeTransform) | ||
| }, [editor]) | ||
|
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| return null | ||
| } |
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