1 files changed, 48 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/selectors/sources-content.js b/devtools/client/debugger/src/selectors/sources-content.js
new file mode 100644
index 0000000000..b7442fb555
--- /dev/null
+++ b/devtools/client/debugger/src/selectors/sources-content.js
@@ -0,0 +1,48 @@
+/* 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/>. */
+
+import { asSettled } from "../utils/async-value";
+
+import {
+  getSelectedLocation,
+  getFirstSourceActorForGeneratedSource,
+} from "../selectors/sources";
+
+export function getSourceTextContent(state, location) {
+  if (location.source.isOriginal) {
+    return state.sourcesContent.mutableOriginalSourceTextContentMapBySourceId.get(
+      location.source.id
+    );
+  }
+
+  let { sourceActor } = location;
+  if (!sourceActor) {
+    sourceActor = getFirstSourceActorForGeneratedSource(
+      state,
+      location.source.id
+    );
+  }
+  return state.sourcesContent.mutableGeneratedSourceTextContentMapBySourceActorId.get(
+    sourceActor.id
+  );
+}
+
+export function getSettledSourceTextContent(state, location) {
+  const content = getSourceTextContent(state, location);
+  return asSettled(content);
+}
+
+export function getSelectedSourceTextContent(state) {
+  const location = getSelectedLocation(state);
+
+  if (!location) {
+    return null;
+  }
+
+  return getSourceTextContent(state, location);
+}
+
+export function getSourcesEpoch(state) {
+  return state.sourcesContent.epoch;
+}