初始提交: Gitea 项目代码

2026-05-30 22:47:36 +08:00
commit f288f76350
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+import {createApp} from 'vue';
+import {registerGlobalInitFunc} from '../modules/observer.ts';
+
+const threshold = 50;
+
+// return the case-insensitive sub-match result as an array:  [unmatched, matched, unmatched, matched, ...]
+// res[even] is unmatched, res[odd] is matched, see unit tests for examples
+// argument subLower must be a lower-cased string.
+export function strSubMatch(full: string, subLower: string) {
+  const res = [''];
+  let i = 0, j = 0;
+  const fullLower = full.toLowerCase();
+  while (i < subLower.length && j < fullLower.length) {
+    if (subLower[i] === fullLower[j]) {
+      if (res.length % 2 !== 0) res.push('');
+      res[res.length - 1] += full[j];
+      j++;
+      i++;
+    } else {
+      if (res.length % 2 === 0) res.push('');
+      res[res.length - 1] += full[j];
+      j++;
+    }
+  }
+  if (i !== subLower.length) {
+    // if the sub string doesn't match the full, only return the full as unmatched.
+    return [full];
+  }
+  if (j < full.length) {
+    // append remaining chars from full to result as unmatched
+    if (res.length % 2 === 0) res.push('');
+    res[res.length - 1] += full.substring(j);
+  }
+  return res;
+}
+
+export function calcMatchedWeight(matchResult: Array<any>) {
+  let weight = 0;
+  for (let i = 0; i < matchResult.length; i++) {
+    if (i % 2 === 1) { // matches are on odd indices, see strSubMatch
+      // use a function f(x+x) > f(x) + f(x) to make the longer matched string has higher weight.
+      weight += matchResult[i].length * matchResult[i].length;
+    }
+  }
+  return weight;
+}
+
+export function filterRepoFilesWeighted(files: Array<string>, filter: string) {
+  let filterResult = [];
+  if (filter) {
+    const filterLower = filter.toLowerCase();
+    // TODO: for large repo, this loop could be slow, maybe there could be one more limit:
+    // ... && filterResult.length < threshold * 20,  wait for more feedbacks
+    for (const file of files) {
+      const res = strSubMatch(file, filterLower);
+      if (res.length > 1) { // length==1 means unmatched, >1 means having matched sub strings
+        filterResult.push({matchResult: res, matchWeight: calcMatchedWeight(res)});
+      }
+    }
+    filterResult.sort((a, b) => b.matchWeight - a.matchWeight);
+    filterResult = filterResult.slice(0, threshold);
+  } else {
+    for (let i = 0; i < files.length && i < threshold; i++) {
+      filterResult.push({matchResult: [files[i]], matchWeight: 0});
+    }
+  }
+  return filterResult;
+}
+
+export function initRepoFileSearch() {
+  registerGlobalInitFunc('initRepoFileSearch', async (el) => {
+    const {default: RepoFileSearch} = await import('../components/RepoFileSearch.vue');
+    createApp(RepoFileSearch, {
+      repoLink: el.getAttribute('data-repo-link'),
+      currentRefNameSubURL: el.getAttribute('data-current-ref-name-sub-url'),
+      treeListUrl: el.getAttribute('data-tree-list-url'),
+      noResultsText: el.getAttribute('data-no-results-text'),
+      placeholder: el.getAttribute('data-placeholder'),
+    }).mount(el);
+  });
+}