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Unified Diff: third_party/polymer/components/web-animations-js/src/deprecation.js

Issue 3010683002: Update Polymer components. (Closed)
Patch Set: Rebase Created 3 years, 4 months ago
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Index: third_party/polymer/components/web-animations-js/src/deprecation.js
diff --git a/third_party/polymer/components/web-animations-js/src/deprecation.js b/third_party/polymer/components/web-animations-js/src/deprecation.js
new file mode 100644
index 0000000000000000000000000000000000000000..6bdb4a2223c0aa67f7db00f9dace4765ab144b39
--- /dev/null
+++ b/third_party/polymer/components/web-animations-js/src/deprecation.js
@@ -0,0 +1,47 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// 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
+//
+// 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.
+
+(function(shared) {
+
+ var silenced = {};
+
+ shared.isDeprecated = function(feature, date, advice, plural) {
+ if (WEB_ANIMATIONS_TESTING) {
+ return true;
+ }
+
+ var auxVerb = plural ? 'are' : 'is';
+ var today = new Date();
+ var expiry = new Date(date);
+ expiry.setMonth(expiry.getMonth() + 3); // 3 months grace period
+
+ if (today < expiry) {
+ if (!(feature in silenced)) {
+ console.warn('Web Animations: ' + feature + ' ' + auxVerb + ' deprecated and will stop working on ' + expiry.toDateString() + '. ' + advice);
+ }
+ silenced[feature] = true;
+ return false;
+ } else {
+ return true;
+ }
+ };
+
+ shared.deprecated = function(feature, date, advice, plural) {
+ var auxVerb = plural ? 'are' : 'is';
+ if (shared.isDeprecated(feature, date, advice, plural)) {
+ throw new Error(feature + ' ' + auxVerb + ' no longer supported. ' + advice);
+ }
+ };
+
+})(webAnimationsShared);

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