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/**
* @fileoverview Marks all var declarations that are not at the top level
* invalid.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
*/
"use strict";
var helpers = require("../helpers");
module.exports = {
meta: {
docs: {
},
messages: {
unexpectedVar: "Unexpected var, use let or const instead.",
},
schema: [],
type: "suggestion",
},
create(context) {
return {
VariableDeclaration(node) {
if (node.kind === "var") {
if (helpers.getIsTopLevelScript(context.getAncestors())) {
return;
}
context.report({
node,
messageId: "unexpectedVar",
});
}
},
};
},
};