48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
// Final fixed API call - handles URL encoding edge cases properly
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export const code = async (inputs) => {
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const { diagram, format } = inputs;
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if (!diagram || !diagram.trim()) {
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throw new Error("No Mermaid input provided");
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}
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// Normalize line endings
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const normalizedDiagram = diagram
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.replace(/\r\n/g, '\n') // Convert Windows line endings
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.replace(/\r/g, '\n') // Convert old Mac line endings
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.trim(); // Remove leading/trailing whitespace
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// Use URLSearchParams for proper encoding of complex content
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const params = new URLSearchParams();
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params.set('type', format);
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params.set('data', normalizedDiagram);
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// Log for debugging
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console.log("Original diagram:");
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console.log(JSON.stringify(normalizedDiagram));
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console.log("URL params:");
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console.log(params.toString());
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// Build URL manually to avoid double encoding issues
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const url = `https://diagrams.starbit.cloud/generate?${params.toString()}`;
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const resp = await fetch(url, {
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method: "GET",
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headers: {
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'Accept': 'image/svg+xml, image/png, */*',
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'User-Agent': 'Mermaid-Client/1.0'
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}
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});
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if (!resp.ok) {
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const txt = await resp.text();
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throw new Error(`Mermaid-server error ${resp.status}: ${txt}`);
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}
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const buffer = Buffer.from(await resp.arrayBuffer());
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const mime = format === "png" ? "image/png" : "image/svg+xml";
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const file = `data:${mime};base64,${buffer.toString("base64")}`;
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return { file };
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};
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