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PR-URL: https://github.com/iojs/io.js/pull/1539 Fixes: https://github.com/iojs/io.js/issues/1253 Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com> Reviewed-By: Johan Bergström <bugs@bergstroem.nu> Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
/**
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* @fileoverview Rule to flag when re-assigning native objects
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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 = function(context) {
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var nativeObjects = ["Array", "Boolean", "Date", "decodeURI",
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"decodeURIComponent", "encodeURI", "encodeURIComponent",
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"Error", "eval", "EvalError", "Function", "isFinite",
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"isNaN", "JSON", "Math", "Number", "Object", "parseInt",
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"parseFloat", "RangeError", "ReferenceError", "RegExp",
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"String", "SyntaxError", "TypeError", "URIError",
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"Map", "NaN", "Set", "WeakMap", "Infinity", "undefined"];
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return {
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"AssignmentExpression": function(node) {
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if (nativeObjects.indexOf(node.left.name) >= 0) {
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context.report(node, node.left.name + " is a read-only native object.");
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}
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},
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"VariableDeclarator": function(node) {
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if (nativeObjects.indexOf(node.id.name) >= 0) {
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context.report(node, "Redefinition of '{{nativeObject}}'.", { nativeObject: node.id.name });
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}
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}
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};
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};
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