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Use object with null prototype for various app properties #4861

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Apr 29, 2024
Merged

Use object with null prototype for various app properties #4861

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6 changes: 3 additions & 3 deletions lib/application.js
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Original file line number Diff line number Diff line change
Expand Up @@ -61,9 +61,9 @@ var trustProxyDefaultSymbol = '@@symbol:trust_proxy_default';
app.init = function init() {
var router = null;

this.cache = {};
this.engines = {};
this.settings = {};
this.cache = Object.create(null);
this.engines = Object.create(null);
this.settings = Object.create(null);
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this.defaultConfiguration();

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3 changes: 2 additions & 1 deletion test/app.locals.js
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Expand Up @@ -5,10 +5,11 @@ var express = require('../')

describe('app', function(){
describe('.locals', function () {
it('should default object', function () {
it('should default object with null prototype', function () {
var app = express()
assert.ok(app.locals)
assert.strictEqual(typeof app.locals, 'object')
assert.strictEqual(Object.getPrototypeOf(app.locals), null)
})

describe('.settings', function () {
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