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- /**
- * @fileoverview Rule to flag when using new Function
- * @author Ilya Volodin
- */
- "use strict";
- //------------------------------------------------------------------------------
- // Rule Definition
- //------------------------------------------------------------------------------
- module.exports = {
- meta: {
- type: "suggestion",
- docs: {
- description: "disallow `new` operators with the `Function` object",
- category: "Best Practices",
- recommended: false,
- url: "https://eslint.org/docs/rules/no-new-func"
- },
- schema: [],
- messages: {
- noFunctionConstructor: "The Function constructor is eval."
- }
- },
- create(context) {
- return {
- "Program:exit"() {
- const globalScope = context.getScope();
- const variable = globalScope.set.get("Function");
- if (variable && variable.defs.length === 0) {
- variable.references.forEach(ref => {
- const node = ref.identifier;
- const { parent } = node;
- if (
- parent &&
- (parent.type === "NewExpression" || parent.type === "CallExpression") &&
- node === parent.callee
- ) {
- context.report({
- node: parent,
- messageId: "noFunctionConstructor"
- });
- }
- });
- }
- }
- };
- }
- };
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