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abd79ddebf
- Update all JS dependencies minus @mcaptcha/vanilla-glue (unsolved error, see https://github.com/mCaptcha/glue/issues/65) - Migrate deprecated eslint rules to `@stylistic/eslint-plugin-js` - Enable and autofix `@stylistic/js/no-multiple-empty-lines` - Regenerate poetry.lock with latest poetry - Tested Mermaid, Swagger, Citation, Vue
119 lines
4.1 KiB
JavaScript
119 lines
4.1 KiB
JavaScript
import $ from 'jquery';
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import {svg} from '../svg.js';
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import {toggleElem} from '../utils/dom.js';
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import {pathEscapeSegments} from '../utils/url.js';
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const {csrf} = window.config;
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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 (let i = 0; i < files.length; i++) {
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const res = strSubMatch(files[i], 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 = $repoFindFileInput.attr('data-url-tree-link');
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$repoFindFileTableBody.empty();
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const filterResult = filterRepoFilesWeighted(files, filter);
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const tmplRow = `<tr><td><a></a></td></tr>`;
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toggleElem($repoFindFileNoResult, filterResult.length === 0);
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for (const r of filterResult) {
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const $row = $(tmplRow);
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const $a = $row.find('a');
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$a.attr('href', `${treeLink}/${pathEscapeSegments(r.matchResult.join(''))}`);
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const $octiconFile = $(svg('octicon-file')).addClass('gt-mr-3');
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$a.append($octiconFile);
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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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for (let j = 0; j < r.matchResult.length; j++) {
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if (!r.matchResult[j]) continue;
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const $span = $('<span>').text(r.matchResult[j]);
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if (j % 2 === 1) $span.addClass('ui text red');
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$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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files = await $.ajax({
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url: $repoFindFileInput.attr('data-url-data-link'),
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headers: {'X-Csrf-Token': csrf}
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});
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filterRepoFiles($repoFindFileInput.val());
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}
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export function initFindFileInRepo() {
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$repoFindFileInput = $('#repo-file-find-input');
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if (!$repoFindFileInput.length) return;
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$repoFindFileTableBody = $('#repo-find-file-table tbody');
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$repoFindFileNoResult = $('#repo-find-file-no-result');
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$repoFindFileInput.on('input', () => filterRepoFiles($repoFindFileInput.val()));
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loadRepoFiles();
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}
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