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/**
* @fileoverview Rule to flag when re-assigning native objects
* @author Ilya Volodin
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
var nativeObjects = ["Array", "Boolean", "Date", "decodeURI",
"decodeURIComponent", "encodeURI", "encodeURIComponent",
"Error", "eval", "EvalError", "Function", "isFinite",
"isNaN", "JSON", "Math", "Number", "Object", "parseInt",
"parseFloat", "RangeError", "ReferenceError", "RegExp",
"String", "SyntaxError", "TypeError", "URIError",
"Map", "NaN", "Set", "WeakMap", "Infinity", "undefined"];
return {
"AssignmentExpression": function(node) {
if (nativeObjects.indexOf(node.left.name) >= 0) {
context.report(node, node.left.name + " is a read-only native object.");
}
},
"VariableDeclarator": function(node) {
if (nativeObjects.indexOf(node.id.name) >= 0) {
context.report(node, "Redefinition of '{{nativeObject}}'.", { nativeObject: node.id.name });
}
}
};
};