script: add skeleton implementation of FontFace API (#35262)

This patch implements the `FontFace` interface, but with some caveats

1. The interface is only exposed on `Window`. Support for Workers will
   be handled in the future.
2. The concept of `css-connected` `FontFace` is not implemented, so
   `@font-face` rules in stylesheets will not be represented in the DOM.
3. The constructor only supports using `url()` strings as source
   and `ArrayBuffer` and `ArrayBufferView` are not supported yet.

A skeleton implementation of the `load` method of `FontFaceSet` is also
implemented in this patch. The intention is to support some web pages
that don't load without this method.

Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com>
This commit is contained in:
Mukilan Thiyagarajan 2025-02-19 11:20:01 +05:30 committed by GitHub
parent 29e0fad21e
commit 56840e0a35
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52 changed files with 1160 additions and 551 deletions

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@ -13513,7 +13513,7 @@
]
],
"interfaces.worker.js": [
"fc621bbafeec167942f802caae43b9f2ef23b29b",
"f708bfb25594a239be31671e9fd15d6771309a12",
[
"mozilla/interfaces.worker.html",
{}

View file

@ -34,7 +34,6 @@ test_interfaces([
"FileReader",
"FileReaderSync",
"FinalizationRegistry",
"FontFaceSet",
"FormData",
"Headers",
"History",