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/**
* @fileoverview checks if/else if/else bracing is consistent
*
* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
"use strict";
module.exports = {
meta: {
docs: {
url: "https://firefox-source-docs.mozilla.org/code-quality/lint/linters/eslint-plugin-mozilla/consistent-if-bracing.html",
},
messages: {
consistentIfBracing: "Bracing of if..else bodies should be consistent.",
},
schema: [],
type: "layout",
},
create(context) {
return {
IfStatement(node) {
if (node.parent.type !== "IfStatement") {
let types = new Set();
for (
let currentNode = node;
currentNode;
currentNode = currentNode.alternate
) {
let type = currentNode.consequent.type;
types.add(type == "BlockStatement" ? "Block" : "NotBlock");
if (
currentNode.alternate &&
currentNode.alternate.type !== "IfStatement"
) {
type = currentNode.alternate.type;
types.add(type == "BlockStatement" ? "Block" : "NotBlock");
break;
}
}
if (types.size > 1) {
context.report({
node,
messageId: "consistentIfBracing",
});
}
}
},
};
},
};
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