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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"
- });
- }
- }
- };
- }
- };
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