10 lines
		
	
	
		
			250 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			10 lines
		
	
	
		
			250 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| "use strict";
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| 
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| var safeToString = require("../safe-to-string")
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|   , isPromise    = require("./is-promise");
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| 
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| module.exports = function (value) {
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| 	if (!isPromise(value)) throw new TypeError(safeToString(value) + " is not a promise");
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| 	return value;
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| };
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