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/**
* @fileoverview Rule to disallow returning value from constructor.
* @author Pig Fang <https://github.com/g-plane>
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
type: "problem",
docs: {
description: "disallow returning value from constructor",
category: "Best Practices",
recommended: false,
url: "https://eslint.org/docs/rules/no-constructor-return"
},
schema: {},
fixable: null,
messages: {
unexpected: "Unexpected return statement in constructor."
}
},
create(context) {
const stack = [];
return {
onCodePathStart(_, node) {
stack.push(node);
},
onCodePathEnd() {
stack.pop();
},
ReturnStatement(node) {
const last = stack[stack.length - 1];
if (!last.parent) {
return;
}
if (
last.parent.type === "MethodDefinition" &&
last.parent.kind === "constructor" &&
(node.parent.parent === last || node.argument)
) {
context.report({
node,
messageId: "unexpected"
});
}
}
};
}
};
|
