babel/lib/6to5/transformation/transformers/validation/no-for-in-of-assignment.js
2015-02-11 15:57:30 +11:00

16 lines
422 B
JavaScript

"use strict";
var messages = require("../../../messages");
var t = require("../../../types");
exports.check = t.isFor;
exports.ForInStatement =
exports.ForOfStatement = function (node, parent, scope, file) {
var left = node.left;
if (t.isVariableDeclaration(left)) {
var declar = left.declarations[0];
if (declar.init) throw file.errorWithNode(declar, messages.get("noAssignmentsInForHead"));
}
};