puppeteer/assets/js/d7016167.5d4b1386.js

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Chrome Extensions."),(0,r.kt)("admonition",o({},{type:"caution"}),(0,r.kt)("p",{parentName:"admonition"},"Extensions in Chrome/Chromium currently only work in non-headless mode and\nexperimental Chrome headless mode.")),(0,r.kt)("p",null,"The following is code for getting a handle to the\n",(0,r.kt)("a",o({parentName:"p"},{href:"https://developer.chrome.com/extensions/background_pages"}),"background page")," of\nan extension whose source is located in ",(0,r.kt)("inlineCode",{parentName:"p"},"./my-extension"),":"),(0,r.kt)("pre",null,(0,r.kt)("code",o({parentName:"pre"},{className:"language-ts"}),"import puppeteer from 'puppeteer';\nimport path from 'path';\n\n(async () => {\n  const pathToExtension = path.join(process.cwd(), 'my-extension');\n  const browser = await puppeteer.launch({\n    headless: 'chrome',\n    args: [\n      `--disable-extensions-except=${pathToExtension}`,\n      `--load-extension=${pathToExtension}`,\n    ],\n  });\n  const backgroundPageTarget = await browser.waitForTarget(\n    target => target.type() === 'background_page'\n  );\n  const backgroundPage = await backgroundPageTarget.page();\n  // Test the background page as you would any other page.\n  await browser.close();\n})();\n")),(0,r.kt)("admonition",o({},{type:"note"}),(0,r.kt)("p",{parentName:"admonition"},"Chrome Manifest V3 extensions have a background ServiceWorker of type\n'service_worker', instead of a page of type 'background_page'.")),(0,r.kt)("admonition",o({},{type:"note"}),(0,r.kt)("p",{parentName:"admonition"},"It is not yet possible to test extension popups or content scripts.")))}m.isMDXComponent=!0}}]);