113 lines
3.3 KiB
JavaScript
113 lines
3.3 KiB
JavaScript
/* eslint-disable class-methods-use-this */
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(() => {
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const UNFOLD_COUNT = 20;
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class Diff {
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constructor() {
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const $diffFile = $('.files .diff-file');
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$diffFile.singleFileDiff();
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$diffFile.filesCommentButton();
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$diffFile.each((index, file) => new gl.ImageFile(file));
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if (this.diffViewType() === 'parallel') {
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$('.content-wrapper .container-fluid').removeClass('container-limited');
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}
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$(document)
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.off('click', '.js-unfold, .diff-line-num a')
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.on('click', '.js-unfold', this.handleClickUnfold.bind(this))
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.on('click', '.diff-line-num a', this.handleClickLineNum.bind(this));
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this.highlighSelectedLine();
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}
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handleClickUnfold(e) {
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const $target = $(e.target);
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// current babel config relies on iterators implementation, so we cannot simply do:
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// const [oldLineNumber, newLineNumber] = this.lineNumbers($target.parent());
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const ref = this.lineNumbers($target.parent());
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const oldLineNumber = ref[0];
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const newLineNumber = ref[1];
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const offset = newLineNumber - oldLineNumber;
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const bottom = $target.hasClass('js-unfold-bottom');
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let since;
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let to;
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let unfold = true;
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if (bottom) {
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const lineNumber = newLineNumber + 1;
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since = lineNumber;
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to = lineNumber + UNFOLD_COUNT;
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} else {
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const lineNumber = newLineNumber - 1;
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since = lineNumber - UNFOLD_COUNT;
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to = lineNumber;
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// make sure we aren't loading more than we need
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const prevNewLine = this.lineNumbers($target.parent().prev())[1];
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if (since <= prevNewLine + 1) {
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since = prevNewLine + 1;
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unfold = false;
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}
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}
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const file = $target.parents('.diff-file');
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const link = file.data('blob-diff-path');
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const view = file.data('view');
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const params = { since, to, bottom, offset, unfold, view };
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$.get(link, params, response => $target.parent().replaceWith(response));
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}
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openAnchoredDiff(anchoredDiff, cb) {
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const diffTitle = $(`#file-path-${anchoredDiff}`);
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const diffFile = diffTitle.closest('.diff-file');
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const nothingHereBlock = $('.nothing-here-block:visible', diffFile);
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if (nothingHereBlock.length) {
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diffFile.singleFileDiff(true, cb);
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} else {
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cb();
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}
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}
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handleClickLineNum(e) {
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const hash = $(e.currentTarget).attr('href');
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e.preventDefault();
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if (window.history.pushState) {
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window.history.pushState(null, null, hash);
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} else {
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window.location.hash = hash;
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}
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this.highlighSelectedLine();
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}
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diffViewType() {
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return $('.inline-parallel-buttons a.active').data('view-type');
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}
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lineNumbers(line) {
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if (!line.children().length) {
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return [0, 0];
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}
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return line.find('.diff-line-num').map((i, elm) => parseInt($(elm).data('linenumber'), 10));
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}
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highlighSelectedLine() {
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const $diffFiles = $('.diff-file');
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$diffFiles.find('.hll').removeClass('hll');
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if (window.location.hash !== '') {
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const hash = window.location.hash.replace('#', '');
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$diffFiles
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.find(`tr#${hash}:not(.match) td, td#${hash}, td[data-line-code="${hash}"]`)
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.addClass('hll');
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}
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}
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}
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window.gl = window.gl || {};
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window.gl.Diff = Diff;
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})();
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