14 lines
		
	
	
		
			452 B
		
	
	
	
		
			JavaScript
		
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			452 B
		
	
	
	
		
			JavaScript
		
	
	
| 'use strict';
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| require('../../modules/es.map');
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| require('../../modules/esnext.map.key-by');
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| var call = require('../../internals/function-call');
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| var isCallable = require('../../internals/is-callable');
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| var path = require('../../internals/path');
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| 
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| var Map = path.Map;
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| var mapKeyBy = Map.keyBy;
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| 
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| module.exports = function keyBy(source, iterable, keyDerivative) {
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|   return call(mapKeyBy, isCallable(this) ? this : Map, source, iterable, keyDerivative);
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| };
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