1 files changed, 59 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/utils/utils.js b/devtools/client/debugger/src/utils/utils.js
new file mode 100644
index 0000000000..7e3ed83032
--- /dev/null
+++ b/devtools/client/debugger/src/utils/utils.js
@@ -0,0 +1,59 @@
+/* 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/>. */
+
+const DevToolsUtils = require("resource://devtools/shared/DevToolsUtils.js");
+
+/**
+ * Utils for utils, by utils
+ * @module utils/utils
+ */
+
+/**
+ * @memberof utils/utils
+ * @static
+ */
+export function handleError(err) {
+  console.log("ERROR: ", err);
+}
+
+/**
+ * @memberof utils/utils
+ * @static
+ */
+export function promisify(context, method, ...args) {
+  return new Promise((resolve, reject) => {
+    args.push(response => {
+      if (response.error) {
+        reject(response);
+      } else {
+        resolve(response);
+      }
+    });
+    method.apply(context, args);
+  });
+}
+
+/**
+ * @memberof utils/utils
+ * @static
+ */
+export function endTruncateStr(str, size) {
+  if (str.length > size) {
+    return `…${str.slice(str.length - size)}`;
+  }
+  return str;
+}
+
+export function waitForMs(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+export async function saveAsLocalFile(content, fileName) {
+  if (content.type !== "text") {
+    return null;
+  }
+
+  const data = new TextEncoder().encode(content.value);
+  return DevToolsUtils.saveAs(window, data, fileName);
+}