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							47 lines
						
					
					
						
							1.7 KiB
						
					
					
				
			
		
		
	
	
							47 lines
						
					
					
						
							1.7 KiB
						
					
					
				'use strict'; | 
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var call = require('../internals/function-call'); | 
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var fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic'); | 
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var anObject = require('../internals/an-object'); | 
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var toLength = require('../internals/to-length'); | 
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var toString = require('../internals/to-string'); | 
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var requireObjectCoercible = require('../internals/require-object-coercible'); | 
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var getMethod = require('../internals/get-method'); | 
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var advanceStringIndex = require('../internals/advance-string-index'); | 
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var regExpExec = require('../internals/regexp-exec-abstract'); | 
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 | 
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// @@match logic | 
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fixRegExpWellKnownSymbolLogic('match', function (MATCH, nativeMatch, maybeCallNative) { | 
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  return [ | 
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    // `String.prototype.match` method | 
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    // https://tc39.es/ecma262/#sec-string.prototype.match | 
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    function match(regexp) { | 
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      var O = requireObjectCoercible(this); | 
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      var matcher = regexp == undefined ? undefined : getMethod(regexp, MATCH); | 
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      return matcher ? call(matcher, regexp, O) : new RegExp(regexp)[MATCH](toString(O)); | 
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    }, | 
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    // `RegExp.prototype[@@match]` method | 
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    // https://tc39.es/ecma262/#sec-regexp.prototype-@@match | 
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    function (string) { | 
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      var rx = anObject(this); | 
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      var S = toString(string); | 
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      var res = maybeCallNative(nativeMatch, rx, S); | 
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 | 
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      if (res.done) return res.value; | 
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 | 
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      if (!rx.global) return regExpExec(rx, S); | 
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 | 
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      var fullUnicode = rx.unicode; | 
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      rx.lastIndex = 0; | 
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      var A = []; | 
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      var n = 0; | 
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      var result; | 
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      while ((result = regExpExec(rx, S)) !== null) { | 
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        var matchStr = toString(result[0]); | 
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        A[n] = matchStr; | 
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        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode); | 
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        n++; | 
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      } | 
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      return n === 0 ? null : A; | 
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    } | 
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  ]; | 
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});
 | 
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