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46 lines
1.3 KiB
46 lines
1.3 KiB
/** |
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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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*/ |
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"use strict"; |
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//------------------------------------------------------------------------------ |
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// Rule Definition |
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//------------------------------------------------------------------------------ |
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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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category: "ECMAScript 6", |
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recommended: true, |
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url: "https://eslint.org/docs/rules/no-new-symbol" |
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}, |
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schema: [] |
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}, |
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create(context) { |
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return { |
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"Program:exit"() { |
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const globalScope = context.getScope(); |
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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 node = ref.identifier; |
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if (node.parent && node.parent.type === "NewExpression") { |
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context.report({ node, message: "`Symbol` cannot be called as a constructor." }); |
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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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