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# Node-RED Manual Index
This folder summarizes official Node-RED docs that are relevant to EVOLV node development.
## Official Sources
- Creating Nodes: JavaScript file and message handling
https://nodered.org/docs/creating-nodes/node-js
- Creating Nodes: Edit dialog and node definition in `.html`
https://nodered.org/docs/creating-nodes/edit-dialog
- Working with messages
https://nodered.org/docs/user-guide/messages
- Writing Functions (return arrays, multiple outputs, async send/done)
https://nodered.org/docs/user-guide/writing-functions
## What To Check First (EVOLV)
1. Runtime routing in `src/nodeClass.js`: use explicit output arrays for multi-output nodes.
2. Input handlers: use `send` + `done` pattern from Node-RED runtime docs.
3. Function nodes in example flows: return arrays with output-position alignment.
4. Editor/runtime parity: properties in `RED.nodes.registerType(...defaults...)` must map to runtime config parsing.
5. For FlowFuse dashboard reference, see:
- `flowfuse-widgets-catalog.md` — master index of all 22 widget types
- `flowfuse-ui-chart-manual.md` — chart widget (line, bar, scatter, pie, histogram)
- `flowfuse-ui-gauge-manual.md` — gauge widget (tile, battery, tank, half, 3/4 arc)
- `flowfuse-ui-text-manual.md` — text display widget
- `flowfuse-ui-template-manual.md` — custom Vue/Vuetify template widget
- `flowfuse-ui-button-manual.md` — button widget
- `flowfuse-ui-config-manual.md` — config nodes (ui-base, ui-page, ui-group, ui-theme)
- `flowfuse-dashboard-layout-manual.md` — layout patterns and sizing rules