1 files changed, 38 insertions, 0 deletions
diff --git a/src/arrow/js/gulp/memoize-task.js b/src/arrow/js/gulp/memoize-task.js
new file mode 100644
index 000000000..408ee3b88
--- /dev/null
+++ b/src/arrow/js/gulp/memoize-task.js
@@ -0,0 +1,38 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+const { taskName } = require('./util');
+
+const createTask = ((taskFn) => ((target, format, ...args) => {
+  // Give the memoized fn a displayName so gulp's output is easier to follow.
+  const fn = () => taskFn(target, format, ...args);
+  fn.displayName = `${taskFn.name || ``}:${taskName(target, format, ...args)}:task`;
+  return fn;
+}));
+
+const memoizeTask = ((cache, taskFn) => ((target, format, ...args) => {
+    // Give the memoized fn a displayName so gulp's output is easier to follow.
+    const fn = () => (
+      cache[taskName(target, format)] || (
+      cache[taskName(target, format)] = taskFn(target, format, ...args)));
+    fn.displayName = `${taskFn.name || ``}:${taskName(target, format, ...args)}:task`;
+    return fn;
+}));
+
+module.exports = memoizeTask;
+module.exports.createTask = createTask;
+module.exports.memoizeTask = memoizeTask;