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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/core-js/library/modules/es6.string.ends-with.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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+// 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])
+'use strict';
+var $export = require('./_export');
+var toLength = require('./_to-length');
+var context = require('./_string-context');
+var ENDS_WITH = 'endsWith';
+var $endsWith = ''[ENDS_WITH];
+
+$export($export.P + $export.F * require('./_fails-is-regexp')(ENDS_WITH), 'String', {
+ endsWith: function endsWith(searchString /* , endPosition = @length */) {
+ var that = context(this, searchString, ENDS_WITH);
+ var endPosition = arguments.length > 1 ? arguments[1] : undefined;
+ var len = toLength(that.length);
+ var end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);
+ var search = String(searchString);
+ return $endsWith
+ ? $endsWith.call(that, search, end)
+ : that.slice(end - search.length, end) === search;
+ }
+});