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fix(mermaid): import the bundled ESM build so diagrams render in dev #74

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Merged
Infi-Knight merged 1 commit into from
Sep 7, 2026
Merged

fix(mermaid): import the bundled ESM build so diagrams render in dev #74

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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"name": "@interledger/docs-design-system",
"version": "0.14.0",
"version": "0.14.1",
"packageManager": "pnpm@10.15.0",
"type": "module",
"description": "Shared styles and components used across all Interledger Starlight documentation sites",
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9 changes: 8 additions & 1 deletion src/components/Mermaid.astro
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Expand Up @@ -30,6 +30,13 @@ const { graph, hasBorder = false } = Astro.props
</style>

<script>
import mermaid from 'mermaid'
// Import the pre-bundled ESM build, not the bare `mermaid` specifier.
// The bare specifier resolves to `dist/mermaid.core.mjs`, which imports
// dayjs and other CommonJS packages as externals. A bundler fixes that
// interop at build time, but the Vite dev server does not, so the module
// throws "does not provide an export named 'default'" and no diagram
// renders. The `.esm.min.mjs` build has those dependencies inlined and
// works in both dev and production.
import mermaid from 'mermaid/dist/mermaid.esm.min.mjs'
mermaid.initialize({ startOnLoad: true })
</script>
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