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https://github.com/puppeteer/puppeteer
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306 lines
3.4 KiB
Markdown
306 lines
3.4 KiB
Markdown
---
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sidebar_label: LaunchOptions
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---
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# LaunchOptions interface
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Generic launch options that can be passed when launching any browser.
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#### Signature:
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```typescript
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export interface LaunchOptions
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```
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## Properties
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<table><thead><tr><th>
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Property
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</th><th>
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Modifiers
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</th><th>
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Type
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</th><th>
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Description
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</th><th>
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Default
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</th></tr></thead>
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<tbody><tr><td>
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<span id="channel">channel</span>
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</td><td>
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`optional`
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</td><td>
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[ChromeReleaseChannel](./puppeteer.chromereleasechannel.md)
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</td><td>
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Chrome Release Channel
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</td><td>
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</td></tr>
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<tr><td>
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<span id="dumpio">dumpio</span>
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</td><td>
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`optional`
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</td><td>
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boolean
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</td><td>
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If true, pipes the browser process stdout and stderr to `process.stdout` and `process.stderr`.
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</td><td>
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`false`
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</td></tr>
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<tr><td>
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<span id="env">env</span>
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</td><td>
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`optional`
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</td><td>
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Record<string, string \| undefined>
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</td><td>
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Specify environment variables that will be visible to the browser.
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</td><td>
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The contents of `process.env`.
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</td></tr>
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<tr><td>
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<span id="executablepath">executablePath</span>
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</td><td>
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`optional`
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</td><td>
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string
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</td><td>
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Path to a browser executable to use instead of the bundled Chromium. Note that Puppeteer is only guaranteed to work with the bundled Chromium, so use this setting at your own risk.
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</td><td>
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</td></tr>
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<tr><td>
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<span id="extraprefsfirefox">extraPrefsFirefox</span>
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</td><td>
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`optional`
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</td><td>
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Record<string, unknown>
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</td><td>
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[Additional preferences](https://searchfox.org/mozilla-release/source/modules/libpref/init/all.js) that can be passed when launching with Firefox.
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</td><td>
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</td></tr>
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<tr><td>
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<span id="handlesighup">handleSIGHUP</span>
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</td><td>
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`optional`
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</td><td>
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boolean
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</td><td>
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Close the browser process on `SIGHUP`.
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</td><td>
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`true`
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</td></tr>
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<tr><td>
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<span id="handlesigint">handleSIGINT</span>
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</td><td>
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`optional`
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</td><td>
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boolean
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</td><td>
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Close the browser process on `Ctrl+C`.
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</td><td>
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`true`
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</td></tr>
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<tr><td>
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<span id="handlesigterm">handleSIGTERM</span>
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</td><td>
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`optional`
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</td><td>
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boolean
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</td><td>
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Close the browser process on `SIGTERM`.
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</td><td>
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`true`
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</td></tr>
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<tr><td>
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<span id="ignoredefaultargs">ignoreDefaultArgs</span>
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</td><td>
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`optional`
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</td><td>
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boolean \| string\[\]
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</td><td>
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If `true`, do not use `puppeteer.defaultArgs()` when creating a browser. If an array is provided, these args will be filtered out. Use this with care - you probably want the default arguments Puppeteer uses.
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</td><td>
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`false`
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</td></tr>
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<tr><td>
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<span id="pipe">pipe</span>
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</td><td>
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`optional`
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</td><td>
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boolean
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</td><td>
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Connect to a browser over a pipe instead of a WebSocket.
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</td><td>
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`false`
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</td></tr>
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<tr><td>
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<span id="product">product</span>
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</td><td>
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`optional`
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</td><td>
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[Product](./puppeteer.product.md)
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</td><td>
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Which browser to launch.
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</td><td>
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`chrome`
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</td></tr>
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<tr><td>
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<span id="timeout">timeout</span>
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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Maximum time in milliseconds to wait for the browser to start. Pass `0` to disable the timeout.
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</td><td>
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`30_000` (30 seconds).
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</td></tr>
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<tr><td>
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<span id="waitforinitialpage">waitForInitialPage</span>
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</td><td>
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`optional`
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</td><td>
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boolean
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</td><td>
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Whether to wait for the initial page to be ready. Useful when a user explicitly disables that (e.g. `--no-startup-window` for Chrome).
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</td><td>
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`true`
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</td></tr>
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</tbody></table>
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