109 lines
3.6 KiB
JavaScript
109 lines
3.6 KiB
JavaScript
/* eslint-disable consistent-return */
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import $ from 'jquery';
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import { __ } from './locale';
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import axios from './lib/utils/axios_utils';
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import { deprecatedCreateFlash as createFlash } from './flash';
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import FilesCommentButton from './files_comment_button';
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import initImageDiffHelper from './image_diff/helpers/init_image_diff';
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import syntaxHighlight from './syntax_highlight';
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const WRAPPER = '<div class="diff-content"></div>';
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const LOADING_HTML = '<span class="spinner"></span>';
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const ERROR_HTML =
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'<div class="nothing-here-block"><i class="fa fa-warning"></i> Could not load diff</div>';
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const COLLAPSED_HTML =
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'<div class="nothing-here-block diff-collapsed">This diff is collapsed. <button class="click-to-expand btn btn-link">Click to expand it.</button></div>';
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export default class SingleFileDiff {
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constructor(file) {
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this.file = file;
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this.toggleDiff = this.toggleDiff.bind(this);
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this.content = $('.diff-content', this.file);
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this.$toggleIcon = $('.diff-toggle-caret', this.file);
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this.diffForPath = this.content.find('[data-diff-for-path]').data('diffForPath');
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this.isOpen = !this.diffForPath;
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if (this.diffForPath) {
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this.collapsedContent = this.content;
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this.loadingContent = $(WRAPPER)
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.addClass('loading')
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.html(LOADING_HTML)
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.hide();
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this.content = null;
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this.collapsedContent.after(this.loadingContent);
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this.$toggleIcon.addClass('fa-caret-right');
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} else {
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this.collapsedContent = $(WRAPPER)
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.html(COLLAPSED_HTML)
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.hide();
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this.content.after(this.collapsedContent);
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this.$toggleIcon.addClass('fa-caret-down');
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}
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$('.js-file-title, .click-to-expand', this.file).on('click', e => {
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this.toggleDiff($(e.target));
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});
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}
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toggleDiff($target, cb) {
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if (
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!$target.hasClass('js-file-title') &&
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!$target.hasClass('click-to-expand') &&
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!$target.hasClass('diff-toggle-caret')
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)
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return;
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this.isOpen = !this.isOpen;
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if (!this.isOpen && !this.hasError) {
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this.content.hide();
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this.$toggleIcon.addClass('fa-caret-right').removeClass('fa-caret-down');
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this.collapsedContent.show();
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if (typeof gl.diffNotesCompileComponents !== 'undefined') {
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gl.diffNotesCompileComponents();
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}
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} else if (this.content) {
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this.collapsedContent.hide();
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this.content.show();
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this.$toggleIcon.addClass('fa-caret-down').removeClass('fa-caret-right');
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if (typeof gl.diffNotesCompileComponents !== 'undefined') {
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gl.diffNotesCompileComponents();
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}
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} else {
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this.$toggleIcon.addClass('fa-caret-down').removeClass('fa-caret-right');
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return this.getContentHTML(cb);
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}
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}
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getContentHTML(cb) {
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this.collapsedContent.hide();
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this.loadingContent.show();
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axios
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.get(this.diffForPath)
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.then(({ data }) => {
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this.loadingContent.hide();
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if (data.html) {
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this.content = $(data.html);
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syntaxHighlight(this.content);
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} else {
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this.hasError = true;
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this.content = $(ERROR_HTML);
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}
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this.collapsedContent.after(this.content);
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if (typeof gl.diffNotesCompileComponents !== 'undefined') {
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gl.diffNotesCompileComponents();
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}
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const $file = $(this.file);
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FilesCommentButton.init($file);
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const canCreateNote = $file.closest('.files').is('[data-can-create-note]');
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initImageDiffHelper.initImageDiff($file[0], canCreateNote);
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if (cb) cb();
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})
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.catch(() => {
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createFlash(__('An error occurred while retrieving diff'));
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});
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}
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}
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