104 lines
3.6 KiB
JavaScript
104 lines
3.6 KiB
JavaScript
/* eslint-disable consistent-return */
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import $ from 'jquery';
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import { loadingIconForLegacyJS } from '~/loading_icon_for_legacy_js';
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import { spriteIcon } from '~/lib/utils/common_utils';
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import FilesCommentButton from './files_comment_button';
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import createFlash from './flash';
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import initImageDiffHelper from './image_diff/helpers/init_image_diff';
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import axios from './lib/utils/axios_utils';
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import { __ } from './locale';
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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 = loadingIconForLegacyJS().outerHTML;
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const ERROR_HTML = `<div class="nothing-here-block">${spriteIcon(
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'warning-solid',
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's16',
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)} 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 gl-button">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 = $('.diff-content', this.file);
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this.$chevronRightIcon = $('.diff-toggle-caret .chevron-right', this.file);
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this.$chevronDownIcon = $('.diff-toggle-caret .chevron-down', 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 = $(WRAPPER).addClass('loading').html(LOADING_HTML).hide();
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this.content = null;
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this.collapsedContent.after(this.loadingContent);
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this.$chevronRightIcon.removeClass('gl-display-none');
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} else {
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this.collapsedContent = $(WRAPPER).html(COLLAPSED_HTML).hide();
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this.content.after(this.collapsedContent);
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this.$chevronDownIcon.removeClass('gl-display-none');
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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.closest('.diff-toggle-caret').length > 0
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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.$chevronRightIcon.removeClass('gl-display-none');
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this.$chevronDownIcon.addClass('gl-display-none');
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this.collapsedContent.show();
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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.$chevronDownIcon.removeClass('gl-display-none');
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this.$chevronRightIcon.addClass('gl-display-none');
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} else {
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this.$chevronDownIcon.removeClass('gl-display-none');
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this.$chevronRightIcon.addClass('gl-display-none');
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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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return 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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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({
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message: __('An error occurred while retrieving diff'),
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});
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});
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}
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}
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