Create "dynamic markup" explainer #76
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This document provides an overview of the revamped dynamic markup methods for HTML injection, detailing API design, script execution, sanitizer integration, and security considerations.
foolip
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Dec 18, 2025
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| ```webidl | ||
| interface TrustedTypePolicy { | ||
| TrustedHTMLParserOptions createHTMLParserOptions((SetHTMLOptions or SetHTMLUnsafeOptions) options = {}); |
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I think WebIDL doesn't allow a union of SetHTMLOptions and SetHTMLUnsafeOptions because they cannot be distinguished. If we want the result to not require further checking when passed to setHTML(), maybe add a createHTMLParserOptionsUnsafe() here with a different return type?
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I don't think that's necessary. The resulting object can be the same type, and the Safe variant can ignore runScripts and assert a safe baseline.
dynamic-markup-revamped-explainer.md
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| ## Existing methods | ||
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| Apart from the `createContextualFragment` quirk, all of the existing APIs can be expressed in terms of the above APIs, |
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How about allowing declarative shadow roots? Should that be an opt-in in the new APIs to match the existing ones?
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Added a section about this.
Co-authored-by: Philip Jägenstedt <[email protected]>
Co-authored-by: Philip Jägenstedt <[email protected]>
Co-authored-by: Philip Jägenstedt <[email protected]>
Add section on special template behavior and update existing methods description.
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SHA: cf3b548 Reason: push, by noamr Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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This document provides an overview of the revamped dynamic markup methods for HTML injection, detailing API design, script execution, sanitizer integration, and security considerations.