Use Maps to pass "constructor args" to blocks from a transform #49456
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Flaky tests detected in 1832263. 🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/4559300679
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I'm giddy at how simple and uncompromising this is. It's slightly more eyebrow-rising with inter-block deps (legacy-widget ➡ navigation), but we retain all the control within the core library, with no leakage outside the package. |
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What & why
This is an alternative approach to #49391.
Instead of adjusting the block API, we can take advantage of the fact that
transformsandeditexist within the same package (block-library) and send "constructor args" toeditvia aMapdefined at the module level.With this approach we can fix a longstanding issue we've had in Gutenberg which is that we use attributes to store "internal" state in certain blocks. For example an undo level is created when dragging-and-dropping an image or file into the editor because the blob URL is stored in the
urlattribute while the file is uploaded. I've included a fix for the File block (61ad707) to illustrate howparamshelps.We can also allow Menu widgets wrapped in a Legacy Widget block to be converted to a Navigation block. This is done by having the transform provide the Navigation block with the menu to convert via a
Map. See #47285.