client assembly via custom factory first draft

*.js

// Application ------------------------------------------------------------------------

import AssemblyFactory from 'factory/assembly'
// Create factory, link it to the scene, or whereever models are stored in the application
let factory = new AssemblyFactory(scene);
// Request a table
server.request('_O.CreateTable()', factory);
// Request a clone
server.request('_O.Clone(0)', factory);

// Module -----------------------------------------------------------------------------

// To be shippped as module under factory/assembly.js in the official library's repo
export default AssemblyFactory class {
    constructor(pool) {
        this.pool = pool;
        return attribs => {
            switch (attribs.type) {
                case Parser.Factory.Link:
                    let { ref, matrix } = attribs.data;
                    let item = this.pool.find(obj => obj.userData.id === ref);
                    if (item) {
                        // Add reference to the current model, transform it
                        attribs.model.add(item.clone().applyMatrix(matrix));
                    }
                case Parser.Factory.Finished:
                    // Add finished assembly to the application pool
                    this.pool.add(attribs.model)
                    break;
            }
        }
    }
}

// Responses --------------------------------------------------------------------------

// Response for: _O.CreateTable():

{ 
    command: 'Assembly',
    id: 0,
    parts: [
        { command: 'Blob', data: '...tischplatte (id1), mesh...' },
        { command: 'Blob', data: '...tischbein (id2), mesh...' },
        { command: 'Link', id: 3, ref: 2, matrix: [1,0,0,0,1,0,0,0,1,0,0,0,1] },
        { command: 'Link', id: 4, ref: 2, matrix: [1,0,0,0,1,0,0,0,1,10,10,20,1] },
        { command: 'Link', id: 5, ref: 2, matrix: [1,0,0,0,1,0,0,0,1,30,20,40,1] },
        { command: 'constraint', type: 'distance', ids: [2, 3], value: 40 }
    ]
}

// Response for: _O.Clone(0):

{ 
    command: 'Assembly',
    id: 6,
    parts: [
        { command: 'Link', id: 7, ref: 0, matrix: [1,0,0,0,1,0,0,0,1,50,30,30,1] }
    ]
}