feat(theme-mermaid): upgrade Mermaid to v10.4 - handle async rendering #9305
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slorber
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pr: new feature
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slorber
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Sep 14, 2023
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| try { | ||
| return await mermaid.render(id, text); | ||
| } catch (e) { | ||
| // Because Mermaid add a weird SVG/Message to the DOM on error | ||
| // https://github.com/mermaid-js/mermaid/issues/3205#issuecomment-1719620183 | ||
| document.querySelector(`#d${id}`)?.remove(); | ||
| throw e; | ||
| } |
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Note to future self, track if Mermaid fix their weird errorRender.
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slorber
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Breaking change
We upgrade Mermaid v9 to v10. Like all major version upgrades, Mermaid v10+ comes with its own breaking changes documented here:
The Docusaurus code has also evolved to adapt for those breaking changes, notably the fact
Mermaid.renderis async now.In theory most Docusaurus Mermaid users shouldn't be affected by those changes that are handled internally in our Mermaid theme. But we can't be 100% sure, so make sure to read the full v10 changelog.
Motivation
Fix #9032
Mermaid v10.4 comes with a few features that have been requested by Docusaurus users, notably:
Test Plan
Preview
Test links
https://deploy-preview-9305--docusaurus-2.netlify.app/tests/pages/diagrams