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