1. Feedback
  2. Angular
  3. 70739

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1
Vote

Provide support for converting HTML content to Block Editor blocks in Block Editor

Add a capability to convert HTML content into the Block Editor’s normalized block schema. This enables seamless migration/import of existing HTML-based content and integration with external sources, preserving structure, nesting, and inline formatting while sanitizing unsafe markup. The feature is extensible for custom elements and resilient to malformed HTML.

Requirements:

  • Public API: Provide a documented method to parse HTML and return Block Editor blocks, plus an optional editor helper.
  • Mapping coverage: Support headings, paragraphs, inline marks (bold/italic/code/links), lists (nested), quotes, code blocks, images, tables, HR, and line breaks.
  • Sanitization: Sanitize input with a configurable allowlist for tags/attributes.
  • Fidelity: Preserve nesting, order, whitespace, entities; handle relative URLs optionally.