1 files changed, 86 insertions, 0 deletions
diff --git a/app/assets/javascripts/diffs/store/mutations.js b/app/assets/javascripts/diffs/store/mutations.js
new file mode 100644
index 00000000000..339a33f8b71
--- /dev/null
+++ b/app/assets/javascripts/diffs/store/mutations.js
@@ -0,0 +1,86 @@
+import Vue from 'vue';
+import _ from 'underscore';
+import { convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
+import { findDiffFile, addLineReferences, removeMatchLine, addContextLines } from './utils';
+import * as types from './mutation_types';
+
+export default {
+  [types.SET_BASE_CONFIG](state, options) {
+    const { endpoint, projectPath } = options;
+    Object.assign(state, { endpoint, projectPath });
+  },
+
+  [types.SET_LOADING](state, isLoading) {
+    Object.assign(state, { isLoading });
+  },
+
+  [types.SET_DIFF_DATA](state, data) {
+    Object.assign(state, {
+      ...convertObjectPropsToCamelCase(data, { deep: true }),
+    });
+  },
+
+  [types.SET_DIFF_FILES](state, diffFiles) {
+    Object.assign(state, {
+      diffFiles: convertObjectPropsToCamelCase(diffFiles, { deep: true }),
+    });
+  },
+
+  [types.SET_MERGE_REQUEST_DIFFS](state, mergeRequestDiffs) {
+    Object.assign(state, {
+      mergeRequestDiffs: convertObjectPropsToCamelCase(mergeRequestDiffs, { deep: true }),
+    });
+  },
+
+  [types.SET_DIFF_VIEW_TYPE](state, diffViewType) {
+    Object.assign(state, { diffViewType });
+  },
+
+  [types.ADD_COMMENT_FORM_LINE](state, { lineCode }) {
+    Vue.set(state.diffLineCommentForms, lineCode, true);
+  },
+
+  [types.REMOVE_COMMENT_FORM_LINE](state, { lineCode }) {
+    Vue.delete(state.diffLineCommentForms, lineCode);
+  },
+
+  [types.ADD_CONTEXT_LINES](state, options) {
+    const { lineNumbers, contextLines, fileHash } = options;
+    const { bottom } = options.params;
+    const diffFile = findDiffFile(state.diffFiles, fileHash);
+    const { highlightedDiffLines, parallelDiffLines } = diffFile;
+
+    removeMatchLine(diffFile, lineNumbers, bottom);
+    const lines = addLineReferences(contextLines, lineNumbers, bottom);
+    addContextLines({
+      inlineLines: highlightedDiffLines,
+      parallelLines: parallelDiffLines,
+      contextLines: lines,
+      bottom,
+      lineNumbers,
+    });
+  },
+
+  [types.ADD_COLLAPSED_DIFFS](state, { file, data }) {
+    const normalizedData = convertObjectPropsToCamelCase(data, { deep: true });
+    const [newFileData] = normalizedData.diffFiles.filter(f => f.fileHash === file.fileHash);
+
+    if (newFileData) {
+      const index = _.findIndex(state.diffFiles, f => f.fileHash === file.fileHash);
+      state.diffFiles.splice(index, 1, newFileData);
+    }
+  },
+
+  [types.EXPAND_ALL_FILES](state) {
+    const diffFiles = [];
+
+    state.diffFiles.forEach(file => {
+      diffFiles.push({
+        ...file,
+        collapsed: false,
+      });
+    });
+
+    Object.assign(state, { diffFiles });
+  },
+};