charlike/templates/node_modules/es5-ext/iterable/validate.js

Small, fast, simple and streaming project scaffolder for myself, but not only. Supports hundreds of template engines through the @JSTransformers API or if you want custom `render` function passed through options

'use strict';

var is = require('./is');

module.exports = function (x) {
	if (is(x)) return x;
	throw new TypeError(x + " is not an iterable or array-like");
};