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Allow using Firefox / WebDriver BiDi protocol during conversion #597

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merged 23 commits into from
Sep 27, 2024

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@yhatt yhatt commented Sep 24, 2024

Related: #565

Replaces the browser management with new one, implemented in #595. That supports using Firefox, and WebDriver BiDi protocol for Chrome.

This PR will replace only the browser engine. I'm going to work for new options about new browser manager and finders in another pull request.

@yhatt yhatt changed the title Allow using Firefox / WebDriver BiDi protocol during conversion [WIP] Allow using Firefox / WebDriver BiDi protocol during conversion Sep 24, 2024
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Memo

})

try {
await page.emulateMediaType('print')
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WebDriver BiDi does not yet support media type emulation, but it's OK because using bare template, that is almost compatible with the print media, whenever converting to image(s).

Comment on lines +481 to +483
return await sharp()(buf)
.jpeg({ mozjpeg: true, quality: opts.quality })
.toBuffer()
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Use sharp to convert PNG to JPG because WebDriver Bidi does only support PNG screenshot.

  • ToDo
    • Check compatibility with the standalone binary

this._firefoxPDFConversionWarning = true

warn(
'Using Firefox to convert Markdown to PDF: The output may include some incompatible renderings compared to the PDF generated by Chrome.'
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Currently, PDF conversion by Firefox has some incompatible rendeings compared to PDF generated by Chrome. e.g. There are some vanished elements in PDF, such as the background gradient like gaia theme, the element with CSS filter, etc.

➡️ Should treat PDF conversion backed by Firefox as fallback

return await page.screenshot({
clip,
quality: opts.quality,
type: 'jpeg',
omitBackground: true,
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It is only supported by CDP. WebDriver BiDi will not work #555.

@yhatt yhatt changed the title [WIP] Allow using Firefox / WebDriver BiDi protocol during conversion Allow using Firefox / WebDriver BiDi protocol during conversion Sep 26, 2024

// Ensure the data directory is created
await fs.promises.mkdir(
requiredResolveWSLPath ? resolveWSLPathToGuestSync(dataDir) : dataDir,
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Should check resolveWSLPathToGuestSync is working on WSL1 environment

@yhatt yhatt merged commit c04622e into main Sep 27, 2024
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@yhatt yhatt deleted the browser-manager branch September 27, 2024 16:36
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