AdvancedCustomFields / AdvancedCustomFields/acf
Moving multiple blocks into innerblock breaks Gutenberg
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- Dominant language
- PHP
- Stars
- 945
- Forks
- 197
- PR merge metrics
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Description
When moving multiple blocks into an innerblock, the whole page breaks.
Here is the error:
TypeError: Cannot read property 'firstChild' of null
at pp (https://websiteurl.hidden/wp-includes/js/dist/block-editor.min.js?ver=390a9f83b606a55e8b523c4d16bdb08c:12:393446)
at https://websiteurl.hidden/wp-includes/js/dist/block-editor.min.js?ver=390a9f83b606a55e8b523c4d16bdb08c:12:394426
at Bh (https://websiteurl.hidden/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.13.1:126:456)
at Dj (https://websiteurl.hidden/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.13.1:162:476)
at unstable_runWithPriority (https://websiteurl.hidden/wp-includes/js/dist/vendor/react.min.js?ver=16.13.1:25:260)
at Da (https://websiteurl.hidden/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.13.1:60:280)
at xb (https://websiteurl.hidden/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.13.1:162:231)
at Te (https://websiteurl.hidden/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.13.1:146:79)
at https://websiteurl.hidden/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.13.1:61:68
at unstable_runWithPriority (https://websiteurl.hidden/wp-includes/js/dist/vendor/react.min.js?ver=16.13.1:25:260)
And here is a gif of the error:
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the failure by moving multiple blocks into an inner block in the Gutenberg editor, then inspect the block-editor.min.js stack trace and the React DOM calls shown in the report. Done means the page remains usable and the TypeError about firstChild no longer occurs; the issue names no source file or test to start from.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, wordpress
- Domain
- frontend, web-dev
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100