.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/es.string.starts-with.js

   1 'use strict';
   2 var $ = require('../internals/export');
   3 var uncurryThis = require('../internals/function-uncurry-this');
   4 var getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;
   5 var toLength = require('../internals/to-length');
   6 var toString = require('../internals/to-string');
   7 var notARegExp = require('../internals/not-a-regexp');
   8 var requireObjectCoercible = require('../internals/require-object-coercible');
   9 var correctIsRegExpLogic = require('../internals/correct-is-regexp-logic');
  10 var IS_PURE = require('../internals/is-pure');
  11
  12 // eslint-disable-next-line es/no-string-prototype-startswith -- safe
  13 var un$StartsWith = uncurryThis(''.startsWith);
  14 var stringSlice = uncurryThis(''.slice);
  15 var min = Math.min;
  16
  17 var CORRECT_IS_REGEXP_LOGIC = correctIsRegExpLogic('startsWith');
  18 // https://github.com/zloirock/core-js/pull/702
  19 var MDN_POLYFILL_BUG = !IS_PURE && !CORRECT_IS_REGEXP_LOGIC && !!function () {
  20   var descriptor = getOwnPropertyDescriptor(String.prototype, 'startsWith');
  21   return descriptor && !descriptor.writable;
  22 }();
  23
  24 // `String.prototype.startsWith` method
  25 // https://tc39.es/ecma262/#sec-string.prototype.startswith
  26 $({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {
  27   startsWith: function startsWith(searchString /* , position = 0 */) {
  28     var that = toString(requireObjectCoercible(this));
  29     notARegExp(searchString);
  30     var index = toLength(min(arguments.length > 1 ? arguments[1] : undefined, that.length));
  31     var search = toString(searchString);
  32     return un$StartsWith
  33       ? un$StartsWith(that, search, index)
  34       : stringSlice(that, index, index + search.length) === search;
  35   }
  36 });