Engine + Framework

SeqDiag with Eleventy (11ty)

Integration guide for teams shipping diagram rendering in Eleventy (11ty).

SeqDiag usage guidance

Best for

  • General diagram rendering
  • Programmatic documentation pipelines
  • Automated visual generation

Syntax tip

Keep SeqDiag source deterministic and reusable across environments.

Quick start

Call the ChartQuery API from your Eleventy (11ty) stack and return rendered SeqDiag output to the UI.

Recommended flow

  1. Store your SeqDiag source in code or markdown.
  2. Send source to a server-side endpoint backed by ChartQuery.
  3. Render returned SVG/PNG in Eleventy (11ty) pages and docs.

Typical Eleventy (11ty) integration path: /server/diagram-renderer

SeqDiag integration details

FieldValue
EngineSeqDiag
FrameworkEleventy (11ty)

Eleventy (11ty) implementation checklist

  • Add a server-side rendering endpoint
  • Validate and sanitize diagram input
  • Cache rendered output for recurring requests

SeqDiag source example

// SeqDiag source
// Add your diagram content here

SeqDiag in Eleventy (11ty): quick comparison

Why teams usually prefer the ChartQuery API pattern over direct client-side rendering for SeqDiag in Eleventy (11ty).

Feature
Eleventy (11ty) native setup
ChartQuery API setup
Server-side rendering without browser dependencies
✗
Unified output (SVG/PNG) for docs, dashboards, and emails
✗
Consistent rendering across environments
✗
Works with CI/CD pipelines
Fits backend-first architectures
Single rendering workflow across multiple frameworks
✗

Ship SeqDiag in Eleventy (11ty) faster

Use ChartQuery to standardize diagram rendering across your stack with one API, one workflow, and predictable output quality.

Get started with ChartQuery

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