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How to Build a Full Workflow Editor in Vue 3 with Custom Nodes and Undo Support

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A technical guide published on the Grafloria engineering blog walks developers through building a complete workflow editor using Vue 3 and the Grafloria diagramming library. The tutorial covers custom node cards, directional ports with connection validation rules, and undo/redo functionality via a built-in command history engine. It also demonstrates auto-layout options and serialization features that export diagrams as JSON or Mermaid-compatible text. Unlike most Vue diagram tutorials that stop at basic node rendering, this guide addresses real-world editor requirements end to end. Grafloria is an MIT-licensed diagram engine that supports Vue, React, Angular, and plain JavaScript.

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How to Build a Full Workflow Editor in Vue 3 with Custom Nodes and Undo Support · ShortSingh