mirror of
https://github.com/go-gitea/gitea.git
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5791a73e75
None of the frontend js/ts files was touched besides these two commands
(edit: no longer true, I touched one file in
61105d0618
because of a deprecation that was not showing before the rename).
`tsc` currently reports 778 errors, so I have disabled it in CI as
planned.
Everything appears to work fine.
118 lines
4.2 KiB
TypeScript
118 lines
4.2 KiB
TypeScript
import {svg} from '../svg.ts';
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import {toggleElem} from '../utils/dom.ts';
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import {pathEscapeSegments} from '../utils/url.ts';
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import {GET} from '../modules/fetch.ts';
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const threshold = 50;
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let files = [];
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let repoFindFileInput, repoFindFileTableBody, repoFindFileNoResult;
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// return the case-insensitive sub-match result as an array: [unmatched, matched, unmatched, matched, ...]
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// res[even] is unmatched, res[odd] is matched, see unit tests for examples
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// argument subLower must be a lower-cased string.
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export function strSubMatch(full, subLower) {
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const res = [''];
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let i = 0, j = 0;
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const fullLower = full.toLowerCase();
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while (i < subLower.length && j < fullLower.length) {
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if (subLower[i] === fullLower[j]) {
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if (res.length % 2 !== 0) res.push('');
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res[res.length - 1] += full[j];
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j++;
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i++;
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} else {
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if (res.length % 2 === 0) res.push('');
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res[res.length - 1] += full[j];
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j++;
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}
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}
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if (i !== subLower.length) {
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// if the sub string doesn't match the full, only return the full as unmatched.
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return [full];
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}
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if (j < full.length) {
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// append remaining chars from full to result as unmatched
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if (res.length % 2 === 0) res.push('');
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res[res.length - 1] += full.substring(j);
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}
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return res;
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}
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export function calcMatchedWeight(matchResult) {
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let weight = 0;
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for (let i = 0; i < matchResult.length; i++) {
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if (i % 2 === 1) { // matches are on odd indices, see strSubMatch
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// use a function f(x+x) > f(x) + f(x) to make the longer matched string has higher weight.
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weight += matchResult[i].length * matchResult[i].length;
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}
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}
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return weight;
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}
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export function filterRepoFilesWeighted(files, filter) {
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let filterResult = [];
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if (filter) {
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const filterLower = filter.toLowerCase();
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// TODO: for large repo, this loop could be slow, maybe there could be one more limit:
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// ... && filterResult.length < threshold * 20, wait for more feedbacks
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for (const file of files) {
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const res = strSubMatch(file, filterLower);
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if (res.length > 1) { // length==1 means unmatched, >1 means having matched sub strings
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filterResult.push({matchResult: res, matchWeight: calcMatchedWeight(res)});
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}
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}
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filterResult.sort((a, b) => b.matchWeight - a.matchWeight);
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filterResult = filterResult.slice(0, threshold);
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} else {
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for (let i = 0; i < files.length && i < threshold; i++) {
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filterResult.push({matchResult: [files[i]], matchWeight: 0});
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}
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}
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return filterResult;
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}
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function filterRepoFiles(filter) {
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const treeLink = repoFindFileInput.getAttribute('data-url-tree-link');
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repoFindFileTableBody.innerHTML = '';
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const filterResult = filterRepoFilesWeighted(files, filter);
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toggleElem(repoFindFileNoResult, !filterResult.length);
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for (const r of filterResult) {
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const row = document.createElement('tr');
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const cell = document.createElement('td');
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const a = document.createElement('a');
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a.setAttribute('href', `${treeLink}/${pathEscapeSegments(r.matchResult.join(''))}`);
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a.innerHTML = svg('octicon-file', 16, 'tw-mr-2');
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row.append(cell);
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cell.append(a);
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for (const [index, part] of r.matchResult.entries()) {
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const span = document.createElement('span');
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// safely escape by using textContent
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span.textContent = part;
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// if the target file path is "abc/xyz", to search "bx", then the matchResult is ['a', 'b', 'c/', 'x', 'yz']
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// the matchResult[odd] is matched and highlighted to red.
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if (index % 2 === 1) span.classList.add('ui', 'text', 'red');
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a.append(span);
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}
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repoFindFileTableBody.append(row);
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}
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}
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async function loadRepoFiles() {
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const response = await GET(repoFindFileInput.getAttribute('data-url-data-link'));
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files = await response.json();
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filterRepoFiles(repoFindFileInput.value);
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}
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export function initFindFileInRepo() {
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repoFindFileInput = document.querySelector('#repo-file-find-input');
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if (!repoFindFileInput) return;
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repoFindFileTableBody = document.querySelector('#repo-find-file-table tbody');
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repoFindFileNoResult = document.querySelector('#repo-find-file-no-result');
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repoFindFileInput.addEventListener('input', () => filterRepoFiles(repoFindFileInput.value));
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loadRepoFiles();
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}
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