1 files changed, 117 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/reducers/file-search.js b/devtools/client/debugger/src/reducers/file-search.js
new file mode 100644
index 0000000000..fbddf6d12b
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+++ b/devtools/client/debugger/src/reducers/file-search.js
@@ -0,0 +1,117 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+// @flow
+
+/**
+ * File Search reducer
+ * @module reducers/fileSearch
+ */
+
+import { prefs } from "../utils/prefs";
+
+import type { Action } from "../actions/types";
+
+export type Modifiers = {
+  caseSensitive: boolean,
+  wholeWord: boolean,
+  regexMatch: boolean,
+};
+
+export type MatchedLocations = {
+  line: number,
+  ch: number,
+};
+
+export type SearchResults = {
+  matches: Array<MatchedLocations>,
+  matchIndex: number,
+  index: number,
+  count: number,
+};
+
+export type FileSearchState = {
+  searchResults: SearchResults,
+  query: string,
+  modifiers: Modifiers,
+};
+
+const emptySearchResults = Object.freeze({
+  matches: Object.freeze([]),
+  matchIndex: -1,
+  index: -1,
+  count: 0,
+});
+
+export const initialFileSearchState = () => ({
+  query: "",
+  searchResults: emptySearchResults,
+  modifiers: {
+    caseSensitive: prefs.fileSearchCaseSensitive,
+    wholeWord: prefs.fileSearchWholeWord,
+    regexMatch: prefs.fileSearchRegexMatch,
+  },
+});
+
+function update(
+  state: FileSearchState = initialFileSearchState(),
+  action: Action
+): FileSearchState {
+  switch (action.type) {
+    case "UPDATE_FILE_SEARCH_QUERY": {
+      return { ...state, query: action.query };
+    }
+
+    case "UPDATE_SEARCH_RESULTS": {
+      return { ...state, searchResults: action.results };
+    }
+
+    case "TOGGLE_FILE_SEARCH_MODIFIER": {
+      const actionVal = !state.modifiers[action.modifier];
+
+      if (action.modifier == "caseSensitive") {
+        prefs.fileSearchCaseSensitive = actionVal;
+      }
+
+      if (action.modifier == "wholeWord") {
+        prefs.fileSearchWholeWord = actionVal;
+      }
+
+      if (action.modifier == "regexMatch") {
+        prefs.fileSearchRegexMatch = actionVal;
+      }
+
+      return {
+        ...state,
+        modifiers: { ...state.modifiers, [action.modifier]: actionVal },
+      };
+    }
+
+    case "NAVIGATE": {
+      return { ...state, query: "", searchResults: emptySearchResults };
+    }
+
+    default: {
+      return state;
+    }
+  }
+}
+
+// NOTE: we'd like to have the app state fully typed
+// https://github.com/firefox-devtools/debugger/blob/master/src/reducers/sources.js#L179-L185
+type OuterState = { fileSearch: FileSearchState };
+
+export function getFileSearchQuery(state: OuterState): string {
+  return state.fileSearch.query;
+}
+
+export function getFileSearchModifiers(state: OuterState): Modifiers {
+  return state.fileSearch.modifiers;
+}
+
+export function getFileSearchResults(state: OuterState): SearchResults {
+  return state.fileSearch.searchResults;
+}
+
+export default update;