58 lines
2 KiB
JavaScript
58 lines
2 KiB
JavaScript
/**
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* @author Toru Nagashima <https://github.com/mysticatea>
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* See LICENSE file in root directory for full license.
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*/
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"use strict"
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const { READ, ReferenceTracker } = require("@eslint-community/eslint-utils")
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const { getSourceCode } = require("eslint-compat-utils")
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module.exports = {
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meta: {
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docs: {
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description: "disallow the subclassing of the built-in classes.",
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category: "ES2015",
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recommended: false,
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url: "http://eslint-community.github.io/eslint-plugin-es-x/rules/no-subclassing-builtins.html",
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},
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fixable: null,
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messages: {
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forbidden: "ES2015 subclassing of '{{name}}' is forbidden.",
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},
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schema: [],
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type: "problem",
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},
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create(context) {
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return {
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"Program:exit"(program) {
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const sourceCode = getSourceCode(context)
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const tracker = new ReferenceTracker(
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sourceCode.getScope(program),
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)
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for (const { node, path } of tracker.iterateGlobalReferences({
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Array: { [READ]: true },
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Boolean: { [READ]: true },
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Error: { [READ]: true },
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RegExp: { [READ]: true },
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Function: { [READ]: true },
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Map: { [READ]: true },
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Number: { [READ]: true },
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Promise: { [READ]: true },
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Set: { [READ]: true },
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String: { [READ]: true },
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})) {
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if (
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node.parent.type.startsWith("Class") &&
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node.parent.superClass === node
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) {
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context.report({
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node,
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messageId: "forbidden",
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data: { name: path.join(".") },
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})
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}
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}
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},
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}
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},
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}
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