mirror of
https://github.com/go-gitea/gitea
synced 2024-08-27 01:32:53 +02:00
- Switched to plain JavaScript - Tested the file searching functionality and it works as before # Demo using JavaScript without jQuery ![action](https://github.com/go-gitea/gitea/assets/20454870/8ceef0ed-ab87-448c-8b9b-9b5c0cd8bebd) --------- Signed-off-by: Yarden Shoham <git@yardenshoham.com> Co-authored-by: Giteabot <teabot@gitea.io>
118 lines
4.2 KiB
JavaScript
118 lines
4.2 KiB
JavaScript
import {svg} from '../svg.js';
|
|
import {toggleElem} from '../utils/dom.js';
|
|
import {pathEscapeSegments} from '../utils/url.js';
|
|
import {GET} from '../modules/fetch.js';
|
|
|
|
const threshold = 50;
|
|
let files = [];
|
|
let repoFindFileInput, repoFindFileTableBody, repoFindFileNoResult;
|
|
|
|
// 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, subLower) {
|
|
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) {
|
|
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, filter) {
|
|
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 (let i = 0; i < files.length; i++) {
|
|
const res = strSubMatch(files[i], 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;
|
|
}
|
|
|
|
function filterRepoFiles(filter) {
|
|
const treeLink = repoFindFileInput.getAttribute('data-url-tree-link');
|
|
repoFindFileTableBody.innerHTML = '';
|
|
|
|
const filterResult = filterRepoFilesWeighted(files, filter);
|
|
|
|
toggleElem(repoFindFileNoResult, filterResult.length === 0);
|
|
for (const r of filterResult) {
|
|
const row = document.createElement('tr');
|
|
const cell = document.createElement('td');
|
|
const a = document.createElement('a');
|
|
a.setAttribute('href', `${treeLink}/${pathEscapeSegments(r.matchResult.join(''))}`);
|
|
a.innerHTML = svg('octicon-file', 16, 'gt-mr-3');
|
|
row.append(cell);
|
|
cell.append(a);
|
|
for (const [index, part] of r.matchResult.entries()) {
|
|
const span = document.createElement('span');
|
|
// safely escape by using textContent
|
|
span.textContent = part;
|
|
// if the target file path is "abc/xyz", to search "bx", then the matchResult is ['a', 'b', 'c/', 'x', 'yz']
|
|
// the matchResult[odd] is matched and highlighted to red.
|
|
if (index % 2 === 1) span.classList.add('ui', 'text', 'red');
|
|
a.append(span);
|
|
}
|
|
repoFindFileTableBody.append(row);
|
|
}
|
|
}
|
|
|
|
async function loadRepoFiles() {
|
|
const response = await GET(repoFindFileInput.getAttribute('data-url-data-link'));
|
|
files = await response.json();
|
|
filterRepoFiles(repoFindFileInput.value);
|
|
}
|
|
|
|
export function initFindFileInRepo() {
|
|
repoFindFileInput = document.getElementById('repo-file-find-input');
|
|
if (!repoFindFileInput) return;
|
|
|
|
repoFindFileTableBody = document.querySelector('#repo-find-file-table tbody');
|
|
repoFindFileNoResult = document.getElementById('repo-find-file-no-result');
|
|
repoFindFileInput.addEventListener('input', () => filterRepoFiles(repoFindFileInput.value));
|
|
|
|
loadRepoFiles();
|
|
}
|