Rete area plugin

Adds functionality to the are of a rete js project

Installation

Plugin install() arguments:

import AreaPlugin from 'rete-area-plugin';
function createEditor(container: HTMLElement) {
    var editor = new Rete.NodeEditor("demo@0.1.0", container);
    editor.use(AreaPlugin, {
        background: true, 
        snap: true,
        scaleExtent: {
            min: 0.5,
            max: 1,
        },
        translateExtent: { 
            width: 5000, 
            height: 4000 
        }
    });
}

If background is set to true, a grid is displayed on the background behind nodes:

if snap is set to true, dragged elements will snap to grid

scaleExtent sets the min/max scale of the background

translateExtent sets the translation limits for width and height

ZoomAt

the zoomAt() function sets the editor to start set the nodes in its viewpoint

import AreaPlugin from 'rete-area-plugin';
function createEditor(container: HTMLElement) {
    var editor = new Rete.NodeEditor("demo@0.1.0", container);
    AreaPlugin.zoomAt(editor, editor.nodes);
}