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fix: keep Mermaid styles scoped to each diagram #116

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fix: keep Mermaid styles scoped to each diagram #116

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f45a916
fix: update Mermaid diagram rendering to use unique IDs and adjust in…
anabaarbosa Oct 2, 2026
af5b274
build: rebuild dist with scoped Mermaid styles
anabaarbosa Oct 5, 2026
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8 changes: 4 additions & 4 deletions dist/index.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -7633,6 +7633,7 @@ import mermaid from "mermaid";
var mermaidInit = () => {
mermaid.initialize({
theme: "base",
flowchart: { htmlLabels: false },
themeVariables: {
primaryColor: "#FFFFFF",
primaryTextColor: "#142032",
Expand Down Expand Up @@ -8006,10 +8007,9 @@ var MermaidDiagram = ({ node, ...props }) => {
setHeight(ref.current?.clientWidth / 2);
});
const mermaidRenderer = async function() {
const { svg } = await mermaid2.render("mermaid-id", props.children);
setDiagram(
svg.replace('id="mermaid-id"', "").replaceAll("#mermaid-id", "")
);
const id = `mermaid-${crypto.randomUUID()}`;
const { svg } = await mermaid2.render(id, props.children);
setDiagram(svg);
};
mermaidRenderer();
if (ref.current)
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2 changes: 1 addition & 1 deletion dist/index.mjs.map
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11 changes: 5 additions & 6 deletions src/lib/markdown-renderer/components.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -157,14 +157,13 @@ const MermaidDiagram = ({ node, ...props }: Component) => {
setWidth(ref.current?.clientWidth ?? 0)
setHeight(ref.current?.clientWidth / 2 ?? 0)
})

const mermaidRenderer = async function () {
const { svg } = await mermaid.render('mermaid-id', props.children)
setDiagram(
svg.replace('id="mermaid-id"', '').replaceAll('#mermaid-id', '')
)
const id = `mermaid-${crypto.randomUUID()}`
const { svg } = await mermaid.render(id, props.children)
setDiagram(svg)
}

mermaidRenderer()
if (ref.current) resizeObserver.observe(ref.current)
}, [])
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1 change: 1 addition & 0 deletions src/utils/mermaidInit.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ import mermaid from 'mermaid'
const mermaidInit = () => {
mermaid.initialize({
theme: 'base',
flowchart: { htmlLabels: false },
themeVariables: {
primaryColor: '#FFFFFF',
primaryTextColor: '#142032',
Expand Down
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