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37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
/**
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* lodash 3.1.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modularize exports="npm" -o ./`
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* Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Available under MIT license <https://lodash.com/license>
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*/
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var createWrapper = require('lodash._createwrapper');
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/** Used to compose bitmasks for wrapper metadata. */
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var ARY_FLAG = 128;
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/**
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* Creates a function that accepts up to `n` arguments, ignoring any
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* additional arguments.
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*
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* @static
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* @memberOf _
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* @category Function
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* @param {Function} func The function to cap arguments for.
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* @param {number} [n=func.length] The arity cap.
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* @param- {Object} [guard] Enables use as an iteratee for functions like `_.map`.
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* @returns {Function} Returns the new function.
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* @example
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*
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* _.map(['6', '8', '10'], _.ary(parseInt, 1));
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* // => [6, 8, 10]
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*/
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function ary(func, n, guard) {
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n = guard ? undefined : n;
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n = (func && n == null) ? func.length : n;
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return createWrapper(func, ARY_FLAG, undefined, undefined, undefined, undefined, n);
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}
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module.exports = ary;
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