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codeql-action/node_modules/eslint/lib/rules/no-new-native-nonconstructor.js
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/** | |
* @fileoverview Rule to disallow use of the new operator with global non-constructor functions | |
* @author Sosuke Suzuki | |
*/ | |
"use strict"; | |
//------------------------------------------------------------------------------ | |
// Helpers | |
//------------------------------------------------------------------------------ | |
const nonConstructorGlobalFunctionNames = ["Symbol", "BigInt"]; | |
//------------------------------------------------------------------------------ | |
// Rule Definition | |
//------------------------------------------------------------------------------ | |
/** @type {import('../shared/types').Rule} */ | |
module.exports = { | |
meta: { | |
type: "problem", | |
docs: { | |
description: "Disallow `new` operators with global non-constructor functions", | |
recommended: false, | |
url: "https://eslint.org/docs/latest/rules/no-new-native-nonconstructor" | |
}, | |
schema: [], | |
messages: { | |
noNewNonconstructor: "`{{name}}` cannot be called as a constructor." | |
} | |
}, | |
create(context) { | |
const sourceCode = context.sourceCode; | |
return { | |
"Program:exit"(node) { | |
const globalScope = sourceCode.getScope(node); | |
for (const nonConstructorName of nonConstructorGlobalFunctionNames) { | |
const variable = globalScope.set.get(nonConstructorName); | |
if (variable && variable.defs.length === 0) { | |
variable.references.forEach(ref => { | |
const idNode = ref.identifier; | |
const parent = idNode.parent; | |
if (parent && parent.type === "NewExpression" && parent.callee === idNode) { | |
context.report({ | |
node: idNode, | |
messageId: "noNewNonconstructor", | |
data: { name: nonConstructorName } | |
}); | |
} | |
}); | |
} | |
} | |
} | |
}; | |
} | |
}; |