15 lines
		
	
	
		
			317 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			317 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| "use strict";
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| 
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| var global   = require("ext/global-this")
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|   , polyfill = require("../polyfill");
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| 
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| module.exports = function (t, a) {
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| 	var cache;
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| 	a(typeof t(), "boolean");
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| 	cache = global.Symbol;
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| 	global.Symbol = polyfill;
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| 	a(t(), true);
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| 	if (cache === undefined) delete global.Symbol;
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| 	else global.Symbol = cache;
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| };
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