27 lines
674 B
JavaScript
27 lines
674 B
JavaScript
var LazyWrapper = require('./LazyWrapper'),
|
|
getData = require('./getData'),
|
|
getFuncName = require('./getFuncName'),
|
|
lodash = require('../chain/lodash');
|
|
|
|
/**
|
|
* 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);
|
|
if (!(funcName in LazyWrapper.prototype)) {
|
|
return false;
|
|
}
|
|
var other = lodash[funcName];
|
|
if (func === other) {
|
|
return true;
|
|
}
|
|
var data = getData(other);
|
|
return !!data && func === data[0];
|
|
}
|
|
|
|
module.exports = isLaziable;
|