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28 lines
712 B
28 lines
712 B
var LazyWrapper = require('./_LazyWrapper'), |
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getData = require('./_getData'), |
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getFuncName = require('./_getFuncName'), |
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lodash = require('./wrapperLodash'); |
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/** |
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* Checks if `func` has a lazy counterpart. |
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* |
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* @private |
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* @param {Function} func The function to check. |
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* @returns {boolean} Returns `true` if `func` has a lazy counterpart, |
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* else `false`. |
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*/ |
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function isLaziable(func) { |
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var funcName = getFuncName(func), |
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other = lodash[funcName]; |
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if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) { |
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return false; |
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} |
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if (func === other) { |
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return true; |
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} |
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var data = getData(other); |
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return !!data && func === data[0]; |
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} |
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module.exports = isLaziable;
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