1 files changed, 35 insertions, 0 deletions
diff --git a/node_modules/workbox-build/src/lib/maximum-size-transform.js b/node_modules/workbox-build/src/lib/maximum-size-transform.js
new file mode 100644
index 00000000..2924ef22
--- /dev/null
+++ b/node_modules/workbox-build/src/lib/maximum-size-transform.js
@@ -0,0 +1,35 @@
+/*
+  Copyright 2017 Google Inc.
+
+  Licensed 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
+
+      https://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 prettyBytes = require('pretty-bytes');
+
+module.exports = (maximumFileSizeToCacheInBytes) => {
+  return (originalManifest) => {
+    const warnings = [];
+    const manifest = originalManifest.filter((entry) => {
+      if (entry.size <= maximumFileSizeToCacheInBytes) {
+        return true;
+      }
+
+      warnings.push(`${entry.url} is ${prettyBytes(entry.size)}, and won't ` +
+        `be precached. Configure maximumFileSizeToCacheInBytes to change ` +
+        `this limit.`);
+      return false;
+    });
+
+    return {manifest, warnings};
+  };
+};