1 files changed, 26 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/workers/parser/sources.js b/devtools/client/debugger/src/workers/parser/sources.js
new file mode 100644
index 0000000000..97e102dd86
--- /dev/null
+++ b/devtools/client/debugger/src/workers/parser/sources.js
@@ -0,0 +1,26 @@
+/* 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
+
+import type { SourceId, AstSource } from "./types";
+
+const cachedSources: Map<SourceId, AstSource> = new Map();
+
+export function setSource(source: AstSource) {
+  cachedSources.set(source.id, source);
+}
+
+export function getSource(sourceId: SourceId): AstSource {
+  const source = cachedSources.get(sourceId);
+  if (!source) {
+    throw new Error(`Parser: source ${sourceId} was not provided.`);
+  }
+
+  return source;
+}
+
+export function clearSources() {
+  cachedSources.clear();
+}