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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"
| });
| }
| }
| };
| }
| };
|
|
