json-q
Version:
Retrieves values from JSON objects (and JavaScript objects) by css-selector-like query (includes attribute filters and array flattening).
11 lines (10 loc) • 339 B
JavaScript
// https://tc39.github.io/ecma262/#sec-toindex
var toInteger = require('./_to-integer');
var toLength = require('./_to-length');
module.exports = function (it) {
if (it === undefined) return 0;
var number = toInteger(it);
var length = toLength(number);
if (number !== length) throw RangeError('Wrong length!');
return length;
};