Add m-esr52 at 52.6.0

1 files changed, 28 insertions, 0 deletions

diff --git a/addon-sdk/source/examples/debug-client/data/task.js b/addon-sdk/source/examples/debug-client/data/task.js
new file mode 100644
index 000000000..b46feb10e
--- /dev/null
+++ b/addon-sdk/source/examples/debug-client/data/task.js
@@ -0,0 +1,28 @@
+/* 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/. */
+
+(function(exports) {
+"use strict";
+
+const spawn = (task, ...args) => {
+  return new Promise((resolve, reject) => {
+    try {
+      const routine = task(...args);
+      const raise = error => routine.throw(error);
+      const step = data => {
+        const { done, value } = routine.next(data);
+        if (done)
+          resolve(value);
+        else
+          Promise.resolve(value).then(step, raise);
+      }
+      step();
+    } catch(error) {
+      reject(error);
+    }
+  });
+}
+exports.spawn = spawn;
+
+})(Task = {});