初始提交: Gitea 项目代码

2026-05-30 22:47:36 +08:00
commit f288f76350
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+import {matchEmoji, matchMention, matchIssue} from '../../utils/match.ts';
+import {emojiString} from '../emoji.ts';
+import {svg} from '../../svg.ts';
+import {parseIssueHref, parseRepoOwnerPathInfo} from '../../utils.ts';
+import {createElementFromAttrs, createElementFromHTML} from '../../utils/dom.ts';
+import {getIssueColorClass, getIssueIcon} from '../issue.ts';
+import {debounce} from 'perfect-debounce';
+import type TextExpanderElement from '@github/text-expander-element';
+import type {TextExpanderChangeEvent, TextExpanderResult} from '@github/text-expander-element';
+
+async function fetchIssueSuggestions(key: string, text: string): Promise<TextExpanderResult> {
+  const issuePathInfo = parseIssueHref(window.location.href);
+  if (!issuePathInfo.ownerName) {
+    const repoOwnerPathInfo = parseRepoOwnerPathInfo(window.location.pathname);
+    issuePathInfo.ownerName = repoOwnerPathInfo.ownerName;
+    issuePathInfo.repoName = repoOwnerPathInfo.repoName;
+    // then no issuePathInfo.indexString here, it is only used to exclude the current issue when "matchIssue"
+  }
+  if (!issuePathInfo.ownerName) return {matched: false};
+
+  const matches = await matchIssue(issuePathInfo.ownerName, issuePathInfo.repoName, issuePathInfo.indexString, text);
+  if (!matches.length) return {matched: false};
+
+  const ul = createElementFromAttrs('ul', {class: 'suggestions'});
+  for (const issue of matches) {
+    const li = createElementFromAttrs(
+      'li', {role: 'option', class: 'tw-flex tw-gap-2', 'data-value': `${key}${issue.number}`},
+      createElementFromHTML(svg(getIssueIcon(issue), 16, [getIssueColorClass(issue)])),
+      createElementFromAttrs('span', null, `#${issue.number}`),
+      createElementFromAttrs('span', null, issue.title),
+    );
+    ul.append(li);
+  }
+  return {matched: true, fragment: ul};
+}
+
+export function initTextExpander(expander: TextExpanderElement) {
+  if (!expander) return;
+
+  const textarea = expander.querySelector<HTMLTextAreaElement>('textarea')!;
+  const mentionsUrl = expander.closest('[data-mentions-url]')?.getAttribute('data-mentions-url');
+
+  // help to fix the text-expander "multiword+promise" bug: do not show the popup when there is no "#" before current line
+  const shouldShowIssueSuggestions = () => {
+    const posVal = textarea.value.substring(0, textarea.selectionStart);
+    const lineStart = posVal.lastIndexOf('\n');
+    const keyStart = posVal.lastIndexOf('#');
+    return keyStart > lineStart;
+  };
+
+  const debouncedIssueSuggestions = debounce(async (key: string, text: string): Promise<TextExpanderResult> => {
+    // https://github.com/github/text-expander-element/issues/71
+    // Upstream bug: when using "multiword+promise", TextExpander will get wrong "key" position.
+    // To reproduce, comment out the "shouldShowIssueSuggestions" check, use the "await sleep" below,
+    // then use content "close #20\nclose #20\nclose #20" (3 lines), keep changing the last line `#20` part from the end (including removing the `#`)
+    // There will be a JS error: Uncaught (in promise) IndexSizeError: Failed to execute 'setStart' on 'Range': The offset 28 is larger than the node's length (27).
+
+    // check the input before the request, to avoid emitting empty query to backend (still related to the upstream bug)
+    if (!shouldShowIssueSuggestions()) return {matched: false};
+    // await sleep(Math.random() * 1000); // help to reproduce the text-expander bug
+    const ret = await fetchIssueSuggestions(key, text);
+    // check the input again to avoid text-expander using incorrect position (upstream bug)
+    if (!shouldShowIssueSuggestions()) return {matched: false};
+    return ret;
+  }, 300); // to match onInputDebounce delay
+
+  expander.addEventListener('text-expander-change', (e: TextExpanderChangeEvent) => {
+    if (!e.detail) return;
+    const {key, text, provide} = e.detail;
+    if (key === ':') {
+      const matches = matchEmoji(text);
+      if (!matches.length) return provide({matched: false});
+
+      const ul = document.createElement('ul');
+      ul.classList.add('suggestions');
+      for (const name of matches) {
+        const emoji = emojiString(name);
+        const li = document.createElement('li');
+        li.setAttribute('role', 'option');
+        li.setAttribute('data-value', emoji);
+        li.textContent = `${emoji} ${name}`;
+        ul.append(li);
+      }
+
+      provide({matched: true, fragment: ul});
+    } else if (key === '@') {
+      provide((async (): Promise<TextExpanderResult> => {
+        if (!mentionsUrl) return {matched: false};
+        const matches = await matchMention(mentionsUrl, text);
+        if (!matches.length) return {matched: false};
+
+        const ul = document.createElement('ul');
+        ul.classList.add('suggestions');
+        for (const {value, name, fullname, avatar} of matches) {
+          const li = document.createElement('li');
+          li.setAttribute('role', 'option');
+          li.setAttribute('data-value', `${key}${value}`);
+
+          const img = document.createElement('img');
+          img.src = avatar;
+          li.append(img);
+
+          const nameSpan = document.createElement('span');
+          nameSpan.classList.add('name');
+          nameSpan.textContent = name;
+          li.append(nameSpan);
+
+          if (fullname && fullname.toLowerCase() !== name) {
+            const fullnameSpan = document.createElement('span');
+            fullnameSpan.classList.add('fullname');
+            fullnameSpan.textContent = fullname;
+            li.append(fullnameSpan);
+          }
+
+          ul.append(li);
+        }
+
+        return {matched: true, fragment: ul};
+      })());
+    } else if (key === '#') {
+      provide(debouncedIssueSuggestions(key, text));
+    }
+  });
+
+  expander.addEventListener('text-expander-value', ({detail}: Record<string, any>) => {
+    if (detail?.item) {
+      // add a space after @mentions and #issue as it's likely the user wants one
+      const suffix = ['@', '#'].includes(detail.key) ? ' ' : '';
+      detail.value = `${detail.item.getAttribute('data-value')}${suffix}`;
+    }
+  });
+}