[wp-trac] [WordPress Trac] #61401: Blocks: Efficiently find and traverse blocks in a document.

[WordPress Trac]

#61401: Blocks: Efficiently find and traverse blocks in a document.
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 Reporter:  dmsnell          |      Owner:  (none)
     Type:  feature request  |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Editor           |    Version:
 Severity:  normal           |   Keywords:
  Focuses:                   |
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 The existing block parser reliably parses blocks, but it's also a heavy
 operation, involving a full parse of the entire document, the construction
 of a full block tree which includes multiple copies of different spans of
 the source content, and the JSON-parsing of every span of block
 attributes.

 In many situations it's only necessary to find specific blocks within a
 document, or find where they start or end, or build a map of document
 structure without needing the full parse.

 WordPress should provide a reliable and efficient way to traverse the
 Blocks in an HTML document in a streaming manner.

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Ticket URL: <https://core.trac.wordpress.org/ticket/61401>
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