11 lines
336 B
JavaScript
11 lines
336 B
JavaScript
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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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