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59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
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/**
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* @fileoverview Rule to flag when using new Function
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* @author Ilya Volodin
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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: "suggestion",
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docs: {
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description: "disallow `new` operators with the `Function` object",
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category: "Best Practices",
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recommended: false,
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url: "https://eslint.org/docs/rules/no-new-func"
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},
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schema: [],
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messages: {
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noFunctionConstructor: "The Function constructor is eval."
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}
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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("Function");
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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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const { parent } = node;
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if (
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parent &&
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(parent.type === "NewExpression" || parent.type === "CallExpression") &&
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node === parent.callee
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) {
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context.report({
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node: parent,
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messageId: "noFunctionConstructor"
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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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