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LibWeb: Disallow Editing API calls on non-HTML documents

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This is not directly mentioned in the Editing API spec, but all major
browsers do this and there is a WPT for this behavior.
This commit is contained in:
Tim Ledbetter
2025-01-21 10:13:14 +00:00
committed by Jelle Raaijmakers
parent 2cee6aeba3
commit a0b0e91d4f
Notes: github-actions[bot] 2025-01-21 18:09:45 +00:00 
Author: https://github.com/tcl3
Commit: https://github.com/LadybirdBrowser/ladybird/commit/a0b0e91d4fb
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3332
Reviewed-by: https://github.com/gmta ✅
8 changed files with 89 additions and 31 deletions
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24
Tests/LibWeb/Text/input/wpt-import/editing/other/non-html-document.html Normal file
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@@ -0,0 +1,24 @@
<!doctype html>
<meta charset=utf-8>
<title>Non-HTML document tests</title>
<script src=../../resources/testharness.js></script>
<script src=../../resources/testharnessreport.js></script>
<script>
test(function() {
let xmldoc =
document.implementation.createDocument("http://www.w3.org/1999/xlink",
"html", null);
for (let f of [
() => xmldoc.execCommand("bold"),
() => xmldoc.queryCommandEnabled("bold"),
() => xmldoc.queryCommandIndeterm("bold"),
() => xmldoc.queryCommandState("bold"),
() => xmldoc.queryCommandSupported("bold"),
() => xmldoc.queryCommandValue("bold"),
]) {
assert_throws_dom("InvalidStateError", f);
}
}, "editing APIs on an XML document should be disabled");
</script>