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30 lines
877 B
30 lines
877 B
var eq = require('./eq'), |
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isArrayLike = require('./isArrayLike'), |
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isIndex = require('./_isIndex'), |
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isObject = require('./isObject'); |
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/** |
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* Checks if the given arguments are from an iteratee call. |
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* |
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* @private |
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* @param {*} value The potential iteratee value argument. |
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* @param {*} index The potential iteratee index or key argument. |
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* @param {*} object The potential iteratee object argument. |
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* @returns {boolean} Returns `true` if the arguments are from an iteratee call, |
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* else `false`. |
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*/ |
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function isIterateeCall(value, index, object) { |
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if (!isObject(object)) { |
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return false; |
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} |
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var type = typeof index; |
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if (type == 'number' |
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? (isArrayLike(object) && isIndex(index, object.length)) |
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: (type == 'string' && index in object) |
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) { |
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return eq(object[index], value); |
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} |
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return false; |
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} |
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module.exports = isIterateeCall;
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