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Frontend iframe renderer framework: 3D models, OpenAPI (#37233)

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Introduces a frontend external-render framework that runs renderer
plugins inside an `iframe` (loaded via `srcdoc` to keep the CSP
`sandbox` directive working without origin-related console noise), and
migrates the 3D viewer and OpenAPI/Swagger renderers onto it. PDF and
asciicast paths are refactored to share the same `data-render-name`
mechanism.

Adds e2e coverage for 3D, PDF, asciicast and OpenAPI render paths, plus
a regression for the `RefTypeNameSubURL` double-escape on non-ASCII
branch names.

Signed-off-by: silverwind <me@silverwind.io>
Co-authored-by: Claude (Opus 4.6) <noreply@anthropic.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
silverwind
2026-04-18 00:30:17 +02:00
committed by GitHub
parent 0161f3019b
commit d5831b9385
32 changed files with 540 additions and 293 deletions
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modules/markup/render_test.go
+2 -2
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@@ -24,8 +24,8 @@ func TestRenderIFrame(t *testing.T) {
// the value is read from config RENDER_CONTENT_SANDBOX, empty means "disabled"
ret := render(ctx, ExternalRendererOptions{ContentSandbox: ""})
assert.Equal(t, `<iframe data-src="/test-owner/test-repo/render/src/branch/master/tree-path" class="external-render-iframe"></iframe>`, ret)
assert.Equal(t, `<iframe data-src="/test-owner/test-repo/render/src/branch/master/tree-path" data-global-init="initExternalRenderIframe" class="external-render-iframe"></iframe>`, ret)
ret = render(ctx, ExternalRendererOptions{ContentSandbox: "allow"})
assert.Equal(t, `<iframe data-src="/test-owner/test-repo/render/src/branch/master/tree-path" class="external-render-iframe" sandbox="allow"></iframe>`, ret)
assert.Equal(t, `<iframe data-src="/test-owner/test-repo/render/src/branch/master/tree-path" data-global-init="initExternalRenderIframe" class="external-render-iframe" sandbox="allow"></iframe>`, ret)
}