no import()
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@@ -516,6 +516,7 @@ server.tool(
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clearAllLogs,
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resetPlaywright: vmContextObj.resetPlaywright,
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require,
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// TODO --experimental-vm-modules is needed to make import work in vm
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import: vmContextObj.import,
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...usefulGlobals,
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}
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@@ -17,8 +17,7 @@ it will control an existing user Chrome window. The js code will be run in a sa
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- state: an object shared between runs that you can mutate to persist functions and objects. for example `state.requests = []` to monitor network requests between runs
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- context: the playwright browser context. you can do things like `await context.pages()` to see user connected pages
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- page, the first page the user opened and made it accessible to this MCP. do things like `page.url()` to see current url. assume the user wants you to use this page for your playwright code
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- require: node's require function to load CommonJS modules
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- import: async import function to dynamically import ES modules. for example `const fs = await import('node:fs')`
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- require: node's require function to load modules
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- all standard Node.js globals: setTimeout, setInterval, clearTimeout, clearInterval, URL, URLSearchParams, fetch, Buffer, TextEncoder, TextDecoder, crypto, AbortController, AbortSignal, structuredClone
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the chrome window can have more than one page. you can see other pages with `context.pages().find((p) => p.url().includes('localhost'))`. you can also open and close pages: `state.newPage = await context.newPage()`. store the page in state so that you can reuse it later
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@@ -206,14 +205,14 @@ console.log(authLogs)
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## loading file content into inputs
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you can use the `import` function to read files and fill inputs with their content:
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you can use the `require` function to read files and fill inputs with their content:
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```js
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const fs = await import('node:fs'); const content = fs.readFileSync('/path/to/file.txt', 'utf-8'); await page.locator('textarea').fill(content)
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const fs = require('node:fs'); const content = fs.readFileSync('/path/to/file.txt', 'utf-8'); await page.locator('textarea').fill(content)
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```
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for example, to fill a textarea with the content of a markdown file:
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```js
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const fs = await import('node:fs'); const readme = fs.readFileSync('./README.md', 'utf-8'); await page.locator('#description').fill(readme); console.log('Filled textarea with README content')
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const fs = require('node:fs'); const readme = fs.readFileSync('./README.md', 'utf-8'); await page.locator('#description').fill(readme); console.log('Filled textarea with README content')
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```
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