# Puppeteer test

## Installation

```bash
$ npm i puppeteer

added 105 packages in 14s

11 packages are looking for funding
  run `npm fund` for details

$ npx puppeteer --help
puppeteer <command>

Commands:
  puppeteer browsers  Manage browsers of this Puppeteer installation

Options:
  --version  Show version number                                                                              [boolean]
  --help     Show help                                                                                        [boolean]

$ npx puppeteer browsers
puppeteer browsers

Manage browsers of this Puppeteer installation

Commands:
  puppeteer browsers install [browser]  Download and install the specified browser. If successful, the command outputs
                                        the actual browser buildId that was installed and the absolute path to the
                                        browser executable (format: <browser>@<buildID> <path>).
  puppeteer browsers launch <browser>   Launch the specified browser
  puppeteer browsers clear              Removes all installed browsers from /Users/shinyu/.cache/puppeteer
  puppeteer browsers list               List all installed browsers in the cache directory

Options:
  --version  Show version number                                                                              [boolean]
  --help     Show help                                                                                        [boolean]

Not enough non-option arguments: got 0, need at least 1

$ npx puppeteer browsers install firefox
Downloading firefox stable_134.0 - 154.9 MB [====================] 100% 0.0s 
firefox@stable_134.0 /Users/shinyu/.cache/puppeteer/firefox/mac_arm-stable_134.0/Firefox.app/Contents/MacOS/firefox


$ npx puppeteer browsers launch firefox
node:events:502
      throw er; // Unhandled 'error' event
      ^

Error: spawn /Users/shinyu/.cache/puppeteer/firefox/mac_arm-pinned/Firefox Nightly.app/Contents/MacOS/firefox ENOENT
    at ChildProcess._handle.onexit (node:internal/child_process:285:19)
    at onErrorNT (node:internal/child_process:483:16)
    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)
Emitted 'error' event on ChildProcess instance at:
    at ChildProcess._handle.onexit (node:internal/child_process:291:12)
    at onErrorNT (node:internal/child_process:483:16)
    at process.processTicksAndRejections (node:internal/process/task_queues:90:21) {
  errno: -2,
  code: 'ENOENT',
  syscall: 'spawn /Users/shinyu/.cache/puppeteer/firefox/mac_arm-pinned/Firefox Nightly.app/Contents/MacOS/firefox',
  path: '/Users/shinyu/.cache/puppeteer/firefox/mac_arm-pinned/Firefox Nightly.app/Contents/MacOS/firefox',
  spawnargs: []
}

Node.js v22.12.0
```

## Test

### test-headed.js

```js
import puppeteer from 'puppeteer';

const browser = await puppeteer.launch({
  headless: false,
});
const page = await browser.newPage();

await page.goto('https://gist.githack.com/anghenfil/4a7635e45c900e636561d93756ac0b66/raw/test.html');
```


### test-pdf.js

```js
import puppeteer from 'puppeteer';

const browser = await puppeteer.launch();
const page = await browser.newPage();

await page.goto('https://gist.githack.com/anghenfil/4a7635e45c900e636561d93756ac0b66/raw/test.html');

await page.pdf({path: 'output.pdf', width: '210mm', height: '297mm'});

await browser.close();
```


### test-headed-firefox.js

```js
import puppeteer from 'puppeteer';

const browser = await puppeteer.launch({
  browser: 'firefox',
  headless: false,
});
const page = await browser.newPage();

await page.goto('https://gist.githack.com/anghenfil/4a7635e45c900e636561d93756ac0b66/raw/test.html');
```


### test-pdf-firefox.js

```js
import puppeteer from 'puppeteer';

const browser = await puppeteer.launch({
  browser: 'firefox',
});
const page = await browser.newPage();

await page.goto('https://gist.githack.com/anghenfil/4a7635e45c900e636561d93756ac0b66/raw/test.html');

await page.pdf({path: 'output.pdf', width: '210mm', height: '297mm'});

await browser.close();
```