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10 lines
336 B
10 lines
336 B
var isCallable = require('../internals/is-callable'); |
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var tryToString = require('../internals/try-to-string'); |
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var $TypeError = TypeError; |
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// `Assert: IsCallable(argument) is true` |
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module.exports = function (argument) { |
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if (isCallable(argument)) return argument; |
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throw $TypeError(tryToString(argument) + ' is not a function'); |
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};
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