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