19 lines
		
	
	
		
			422 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			422 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /*
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| 	MIT License http://www.opensource.org/licenses/mit-license.php
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| 	Author Tobias Koppers @sokra
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| */
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| "use strict";
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| 
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| module.exports.deprecate = (fn, msg) => {
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| 	let once = true;
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| 	return function deprecate() {
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| 		if (once) {
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| 			// eslint-disable-next-line no-console
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| 			console.warn(`DeprecationWarning: ${msg}`);
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| 			once = false;
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| 		}
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| 		// eslint-disable-next-line prefer-rest-params
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| 		return fn.apply(this, arguments);
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| 	};
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| };
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