75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
/**
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* @fileoverview Rule to disallow use of the new operator with the `Symbol` object
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* @author Alberto Rodríguez
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* @deprecated in ESLint v9.0.0
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*/
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'use strict';
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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/** @type {import('../types').Rule.RuleModule} */
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module.exports = {
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meta: {
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type: 'problem',
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docs: {
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description: 'Disallow `new` operators with the `Symbol` object',
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recommended: false,
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url: 'https://eslint.org/docs/latest/rules/no-new-symbol',
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},
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deprecated: {
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message: 'The rule was replaced with a more general rule.',
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url: 'https://eslint.org/docs/latest/use/migrate-to-9.0.0#eslint-recommended',
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deprecatedSince: '9.0.0',
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availableUntil: null,
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replacedBy: [
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{
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rule: {
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name: 'no-new-native-nonconstructor',
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url: 'https://eslint.org/docs/latest/rules/no-new-native-nonconstructor',
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},
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},
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],
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},
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schema: [],
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messages: {
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noNewSymbol: '`Symbol` cannot be called as a constructor.',
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},
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},
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create(context) {
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const sourceCode = context.sourceCode;
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return {
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'Program:exit'(node) {
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const globalScope = sourceCode.getScope(node);
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const variable = globalScope.set.get('Symbol');
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if (variable && variable.defs.length === 0) {
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variable.references.forEach((ref) => {
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const idNode = ref.identifier;
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const parent = idNode.parent;
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if (
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parent &&
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parent.type === 'NewExpression' &&
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parent.callee === idNode
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) {
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context.report({
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node: idNode,
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messageId: 'noNewSymbol',
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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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};
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