530 lines
16 KiB
Vue
530 lines
16 KiB
Vue
<script>
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import { mapState, mapGetters, mapActions } from 'vuex';
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import { GlLoadingIcon, GlPagination, GlSprintf } from '@gitlab/ui';
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import Mousetrap from 'mousetrap';
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import { __ } from '~/locale';
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import { getParameterByName, parseBoolean } from '~/lib/utils/common_utils';
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import { deprecatedCreateFlash as createFlash } from '~/flash';
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import PanelResizer from '~/vue_shared/components/panel_resizer.vue';
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import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
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import { isSingleViewStyle } from '~/helpers/diffs_helper';
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import { updateHistory } from '~/lib/utils/url_utility';
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import eventHub from '../../notes/event_hub';
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import CompareVersions from './compare_versions.vue';
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import DiffFile from './diff_file.vue';
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import NoChanges from './no_changes.vue';
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import CommitWidget from './commit_widget.vue';
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import TreeList from './tree_list.vue';
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import HiddenFilesWarning from './hidden_files_warning.vue';
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import MergeConflictWarning from './merge_conflict_warning.vue';
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import CollapsedFilesWarning from './collapsed_files_warning.vue';
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import { diffsApp } from '../utils/performance';
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import {
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TREE_LIST_WIDTH_STORAGE_KEY,
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INITIAL_TREE_WIDTH,
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MIN_TREE_WIDTH,
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MAX_TREE_WIDTH,
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TREE_HIDE_STATS_WIDTH,
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MR_TREE_SHOW_KEY,
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CENTERED_LIMITED_CONTAINER_CLASSES,
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ALERT_OVERFLOW_HIDDEN,
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ALERT_MERGE_CONFLICT,
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ALERT_COLLAPSED_FILES,
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} from '../constants';
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export default {
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name: 'DiffsApp',
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components: {
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CompareVersions,
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DiffFile,
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NoChanges,
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HiddenFilesWarning,
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MergeConflictWarning,
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CollapsedFilesWarning,
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CommitWidget,
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TreeList,
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GlLoadingIcon,
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PanelResizer,
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GlPagination,
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GlSprintf,
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},
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mixins: [glFeatureFlagsMixin()],
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alerts: {
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ALERT_OVERFLOW_HIDDEN,
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ALERT_MERGE_CONFLICT,
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ALERT_COLLAPSED_FILES,
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},
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props: {
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endpoint: {
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type: String,
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required: true,
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},
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endpointMetadata: {
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type: String,
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required: true,
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},
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endpointBatch: {
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type: String,
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required: true,
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},
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endpointCoverage: {
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type: String,
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required: false,
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default: '',
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},
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projectPath: {
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type: String,
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required: true,
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},
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shouldShow: {
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type: Boolean,
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required: false,
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default: false,
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},
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currentUser: {
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type: Object,
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required: true,
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},
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helpPagePath: {
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type: String,
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required: false,
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default: '',
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},
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changesEmptyStateIllustration: {
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type: String,
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required: false,
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default: '',
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},
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isFluidLayout: {
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type: Boolean,
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required: false,
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default: false,
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},
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dismissEndpoint: {
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type: String,
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required: false,
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default: '',
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},
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showSuggestPopover: {
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type: Boolean,
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required: false,
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default: false,
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},
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viewDiffsFileByFile: {
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type: Boolean,
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required: false,
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default: false,
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},
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},
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data() {
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const treeWidth =
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parseInt(localStorage.getItem(TREE_LIST_WIDTH_STORAGE_KEY), 10) || INITIAL_TREE_WIDTH;
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return {
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treeWidth,
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diffFilesLength: 0,
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};
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},
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computed: {
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...mapState({
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isLoading: state => state.diffs.isLoading,
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isBatchLoading: state => state.diffs.isBatchLoading,
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diffFiles: state => state.diffs.diffFiles,
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diffViewType: state => state.diffs.diffViewType,
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mergeRequestDiffs: state => state.diffs.mergeRequestDiffs,
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mergeRequestDiff: state => state.diffs.mergeRequestDiff,
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commit: state => state.diffs.commit,
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renderOverflowWarning: state => state.diffs.renderOverflowWarning,
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numTotalFiles: state => state.diffs.realSize,
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numVisibleFiles: state => state.diffs.size,
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plainDiffPath: state => state.diffs.plainDiffPath,
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emailPatchPath: state => state.diffs.emailPatchPath,
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retrievingBatches: state => state.diffs.retrievingBatches,
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}),
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...mapState('diffs', [
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'showTreeList',
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'isLoading',
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'startVersion',
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'currentDiffFileId',
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'isTreeLoaded',
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'conflictResolutionPath',
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'canMerge',
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'hasConflicts',
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]),
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...mapGetters('diffs', ['whichCollapsedTypes', 'isParallelView', 'currentDiffIndex']),
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...mapGetters(['isNotesFetched', 'getNoteableData']),
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diffs() {
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if (!this.viewDiffsFileByFile) {
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return this.diffFiles;
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}
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return this.diffFiles.filter((file, i) => {
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return file.file_hash === this.currentDiffFileId || (i === 0 && !this.currentDiffFileId);
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});
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},
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canCurrentUserFork() {
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return this.currentUser.can_fork === true && this.currentUser.can_create_merge_request;
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},
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renderDiffFiles() {
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return (
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this.diffFiles.length > 0 ||
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(this.startVersion &&
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this.startVersion.version_index === this.mergeRequestDiff.version_index)
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);
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},
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hideFileStats() {
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return this.treeWidth <= TREE_HIDE_STATS_WIDTH;
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},
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isLimitedContainer() {
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return !this.showTreeList && !this.isParallelView && !this.isFluidLayout;
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},
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isDiffHead() {
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return parseBoolean(getParameterByName('diff_head'));
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},
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showFileByFileNavigation() {
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return this.diffFiles.length > 1 && this.viewDiffsFileByFile;
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},
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currentFileNumber() {
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return this.currentDiffIndex + 1;
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},
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previousFileNumber() {
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const { currentDiffIndex } = this;
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return currentDiffIndex >= 1 ? currentDiffIndex : null;
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},
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nextFileNumber() {
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const { currentFileNumber, diffFiles } = this;
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return currentFileNumber < diffFiles.length ? currentFileNumber + 1 : null;
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},
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visibleWarning() {
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let visible = false;
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if (this.renderOverflowWarning) {
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visible = this.$options.alerts.ALERT_OVERFLOW_HIDDEN;
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} else if (this.isDiffHead && this.hasConflicts) {
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visible = this.$options.alerts.ALERT_MERGE_CONFLICT;
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} else if (this.whichCollapsedTypes.automatic && !this.viewDiffsFileByFile) {
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visible = this.$options.alerts.ALERT_COLLAPSED_FILES;
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}
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return visible;
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},
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},
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watch: {
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commit(newCommit, oldCommit) {
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const commitChangedAfterRender = newCommit && !this.isLoading;
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const commitIsDifferent = oldCommit && newCommit.id !== oldCommit.id;
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const url = window?.location ? String(window.location) : '';
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if (commitChangedAfterRender && commitIsDifferent) {
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updateHistory({
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title: document.title,
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url: url.replace(oldCommit.id, newCommit.id),
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});
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this.refetchDiffData();
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this.adjustView();
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}
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},
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diffViewType() {
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if (!this.glFeatures.unifiedDiffLines && (this.needsReload() || this.needsFirstLoad())) {
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this.refetchDiffData();
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}
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this.adjustView();
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},
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shouldShow() {
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// When the shouldShow property changed to true, the route is rendered for the first time
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// and if we have the isLoading as true this means we didn't fetch the data
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if (this.isLoading) {
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this.fetchData();
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}
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this.adjustView();
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},
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isLoading: 'adjustView',
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showTreeList: 'adjustView',
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},
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mounted() {
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this.setBaseConfig({
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endpoint: this.endpoint,
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endpointMetadata: this.endpointMetadata,
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endpointBatch: this.endpointBatch,
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endpointCoverage: this.endpointCoverage,
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projectPath: this.projectPath,
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dismissEndpoint: this.dismissEndpoint,
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showSuggestPopover: this.showSuggestPopover,
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viewDiffsFileByFile: this.viewDiffsFileByFile,
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});
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if (this.shouldShow) {
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this.fetchData();
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}
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const id = window?.location?.hash;
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if (id && id.indexOf('#note') !== 0) {
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this.setHighlightedRow(
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id
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.split('diff-content')
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.pop()
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.slice(1),
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);
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}
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},
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beforeCreate() {
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diffsApp.instrument();
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},
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created() {
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this.adjustView();
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eventHub.$once('fetchDiffData', this.fetchData);
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eventHub.$on('refetchDiffData', this.refetchDiffData);
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this.CENTERED_LIMITED_CONTAINER_CLASSES = CENTERED_LIMITED_CONTAINER_CLASSES;
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this.unwatchDiscussions = this.$watch(
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() => `${this.diffFiles.length}:${this.$store.state.notes.discussions.length}`,
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() => this.setDiscussions(),
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);
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this.unwatchRetrievingBatches = this.$watch(
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() => `${this.retrievingBatches}:${this.$store.state.notes.discussions.length}`,
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() => {
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if (!this.retrievingBatches && this.$store.state.notes.discussions.length) {
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this.unwatchDiscussions();
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this.unwatchRetrievingBatches();
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}
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},
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);
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},
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beforeDestroy() {
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diffsApp.deinstrument();
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eventHub.$off('fetchDiffData', this.fetchData);
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eventHub.$off('refetchDiffData', this.refetchDiffData);
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this.removeEventListeners();
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},
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methods: {
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...mapActions(['startTaskList']),
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...mapActions('diffs', [
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'moveToNeighboringCommit',
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'setBaseConfig',
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'fetchDiffFilesMeta',
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'fetchDiffFilesBatch',
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'fetchCoverageFiles',
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'startRenderDiffsQueue',
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'assignDiscussionsToDiff',
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'setHighlightedRow',
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'cacheTreeListWidth',
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'scrollToFile',
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'toggleShowTreeList',
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'navigateToDiffFileIndex',
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]),
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navigateToDiffFileNumber(number) {
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this.navigateToDiffFileIndex(number - 1);
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},
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refetchDiffData() {
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this.fetchData(false);
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},
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startDiffRendering() {
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requestIdleCallback(
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() => {
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this.startRenderDiffsQueue();
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},
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{ timeout: 1000 },
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);
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},
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needsReload() {
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return this.diffFiles.length && isSingleViewStyle(this.diffFiles[0]);
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},
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needsFirstLoad() {
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return !this.diffFiles.length;
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},
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fetchData(toggleTree = true) {
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this.fetchDiffFilesMeta()
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.then(({ real_size }) => {
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this.diffFilesLength = parseInt(real_size, 10);
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if (toggleTree) this.hideTreeListIfJustOneFile();
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this.startDiffRendering();
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})
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.catch(() => {
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createFlash(__('Something went wrong on our end. Please try again!'));
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});
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this.fetchDiffFilesBatch()
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.then(() => {
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// Guarantee the discussions are assigned after the batch finishes.
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// Just watching the length of the discussions or the diff files
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// isn't enough, because with split diff loading, neither will
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// change when loading the other half of the diff files.
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this.setDiscussions();
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})
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.then(() => this.startDiffRendering())
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.catch(() => {
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createFlash(__('Something went wrong on our end. Please try again!'));
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});
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if (this.endpointCoverage) {
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this.fetchCoverageFiles();
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}
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if (!this.isNotesFetched) {
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eventHub.$emit('fetchNotesData');
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}
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},
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setDiscussions() {
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requestIdleCallback(
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() =>
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this.assignDiscussionsToDiff()
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.then(this.$nextTick)
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.then(this.startTaskList),
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{ timeout: 1000 },
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);
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},
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adjustView() {
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if (this.shouldShow) {
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this.$nextTick(() => {
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this.setEventListeners();
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});
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} else {
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this.removeEventListeners();
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}
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},
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setEventListeners() {
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Mousetrap.bind(['[', 'k', ']', 'j'], (e, combo) => {
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switch (combo) {
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case '[':
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case 'k':
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this.jumpToFile(-1);
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break;
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case ']':
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case 'j':
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this.jumpToFile(+1);
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break;
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default:
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break;
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}
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});
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if (this.commit && this.glFeatures.mrCommitNeighborNav) {
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Mousetrap.bind('c', () => this.moveToNeighboringCommit({ direction: 'next' }));
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Mousetrap.bind('x', () => this.moveToNeighboringCommit({ direction: 'previous' }));
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}
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},
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removeEventListeners() {
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Mousetrap.unbind(['[', 'k', ']', 'j']);
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Mousetrap.unbind('c');
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Mousetrap.unbind('x');
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},
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jumpToFile(step) {
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const targetIndex = this.currentDiffIndex + step;
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if (targetIndex >= 0 && targetIndex < this.diffFiles.length) {
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this.scrollToFile(this.diffFiles[targetIndex].file_path);
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}
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},
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hideTreeListIfJustOneFile() {
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const storedTreeShow = localStorage.getItem(MR_TREE_SHOW_KEY);
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if ((storedTreeShow === null && this.diffFiles.length <= 1) || storedTreeShow === 'false') {
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this.toggleShowTreeList(false);
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}
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},
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},
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minTreeWidth: MIN_TREE_WIDTH,
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maxTreeWidth: MAX_TREE_WIDTH,
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};
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</script>
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<template>
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<div v-show="shouldShow">
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<div v-if="isLoading || !isTreeLoaded" class="loading"><gl-loading-icon size="lg" /></div>
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<div v-else id="diffs" :class="{ active: shouldShow }" class="diffs tab-pane">
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<compare-versions
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:merge-request-diffs="mergeRequestDiffs"
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:is-limited-container="isLimitedContainer"
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:diff-files-count-text="numTotalFiles"
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/>
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<hidden-files-warning
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v-if="visibleWarning == $options.alerts.ALERT_OVERFLOW_HIDDEN"
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:visible="numVisibleFiles"
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:total="numTotalFiles"
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:plain-diff-path="plainDiffPath"
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:email-patch-path="emailPatchPath"
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/>
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<merge-conflict-warning
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v-if="visibleWarning == $options.alerts.ALERT_MERGE_CONFLICT"
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:limited="isLimitedContainer"
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:resolution-path="conflictResolutionPath"
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:mergeable="canMerge"
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/>
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<collapsed-files-warning
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v-if="visibleWarning == $options.alerts.ALERT_COLLAPSED_FILES"
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:limited="isLimitedContainer"
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/>
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<div
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:data-can-create-note="getNoteableData.current_user.can_create_note"
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class="files d-flex gl-mt-2"
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>
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<div
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v-if="showTreeList"
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:style="{ width: `${treeWidth}px` }"
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class="diff-tree-list js-diff-tree-list px-3 pr-md-0"
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>
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<panel-resizer
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:size.sync="treeWidth"
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:start-size="treeWidth"
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:min-size="$options.minTreeWidth"
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:max-size="$options.maxTreeWidth"
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side="right"
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@resize-end="cacheTreeListWidth"
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/>
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<tree-list :hide-file-stats="hideFileStats" />
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</div>
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<div
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class="col-12 col-md-auto diff-files-holder"
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:class="{
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[CENTERED_LIMITED_CONTAINER_CLASSES]: isLimitedContainer,
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}"
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>
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<commit-widget v-if="commit" :commit="commit" :collapsible="false" />
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<div v-if="isBatchLoading" class="loading"><gl-loading-icon size="lg" /></div>
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<template v-else-if="renderDiffFiles">
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<diff-file
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v-for="(file, index) in diffs"
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:key="file.newPath"
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:file="file"
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:is-first-file="index === 0"
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:is-last-file="index === diffs.length - 1"
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:help-page-path="helpPagePath"
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:can-current-user-fork="canCurrentUserFork"
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:view-diffs-file-by-file="viewDiffsFileByFile"
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/>
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<div
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v-if="showFileByFileNavigation"
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data-testid="file-by-file-navigation"
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class="gl-display-grid gl-text-center"
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>
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<gl-pagination
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class="gl-mx-auto"
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:value="currentFileNumber"
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:prev-page="previousFileNumber"
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:next-page="nextFileNumber"
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@input="navigateToDiffFileNumber"
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/>
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<gl-sprintf :message="__('File %{current} of %{total}')">
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<template #current>{{ currentFileNumber }}</template>
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<template #total>{{ diffFiles.length }}</template>
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</gl-sprintf>
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</div>
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</template>
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<no-changes v-else :changes-empty-state-illustration="changesEmptyStateIllustration" />
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</div>
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</div>
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</div>
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</div>
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</template>
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