index.js•1.18 kB
'use strict'
const { PuppeteerExtraPlugin } = require('puppeteer-extra-plugin')
const withUtils = require('../_utils/withUtils')
/**
* Pass the Languages Test. Allows setting custom languages.
*
* @param {Object} [opts] - Options
* @param {Array<string>} [opts.languages] - The languages to use (default: `['en-US', 'en']`)
*/
class Plugin extends PuppeteerExtraPlugin {
constructor(opts = {}) {
super(opts)
}
get name() {
return 'stealth/evasions/navigator.languages'
}
get defaults() {
return {
languages: [] // Empty default, otherwise this would be merged with user defined array override
}
}
async onPageCreated(page) {
await withUtils(page).evaluateOnNewDocument(
(utils, { opts }) => {
const languages = opts.languages.length
? opts.languages
: ['en-US', 'en']
utils.replaceGetterWithProxy(
Object.getPrototypeOf(navigator),
'languages',
utils.makeHandler().getterValue(Object.freeze([...languages]))
)
},
{
opts: this.opts
}
)
}
}
module.exports = function (pluginConfig) {
return new Plugin(pluginConfig)
}