json-q
Version:
Retrieves values from JSON objects (and JavaScript objects) by css-selector-like query (includes attribute filters and array flattening).
15 lines (12 loc) • 326 B
JavaScript
var identity = require('./identity');
/**
* Casts `value` to `identity` if it's not a function.
*
* @private
* @param {*} value The value to inspect.
* @returns {Function} Returns cast function.
*/
function castFunction(value) {
return typeof value == 'function' ? value : identity;
}
module.exports = castFunction;