temporalRef.js 268 Bytes Edit 1 2 3 4 5 6 7 8 9 10 11 var temporalUndefined = require("./temporalUndefined"); function _temporalRef(val, name) { if (val === temporalUndefined) { throw new ReferenceError(name + " is not defined - temporal dead zone"); } else { return val; } } module.exports = _temporalRef;