import * as OGL from 'ogl' ; import * as React from 'react' ; import { Fiber } from 'react-reconciler' ; import { reconciler } from './reconciler' ; import { RENDER_MODES } from './constants' ; import { OGLContext } from './hooks' ; import { Root , RootState } from './types' ; const roots = new Map < HTMLCanvasElement , { root : Fiber ; state : RootState ; } > ( ) ; /**
 * Renders React elements into OGL elements.
 */ export const render = ( element , target , { mode = 'blocking' , ... config } ) => { const store = roots . get ( target ) ; let root = store ?. root ; const state = Object . assign ( store ?. state || { } , config ) ; if ( ! root ) { if ( ! state . scene ) state . scene = new OGL . Transform ( ) ; if ( ! state . gl ) state . gl = state . renderer . gl ; root = reconciler . createContainer ( state , RENDER_MODES [ mode ] ?? RENDER_MODES [ 'blocking' ] , false , null ) ; if ( state . events ?. connect ) state . events . connect ( target , state ) ; } roots . set ( target , { root , state } ) ; reconciler . updateContainer ( < OGLContext . Provider value = { state } > { element } < /OGLContext.Provider>, root, null, () => undefined); return state ; } ; /**
 * Removes and cleans up internals on unmount.
 */ export const unmountComponentAtNode = ( target ) => { const store = roots . get ( target ) ; if ( ! store ) return ; const { root , state } = store ; reconciler . updateContainer ( null , root , null , ( ) => { roots . delete ( target ) ; if ( state . animation ) cancelAnimationFrame ( state . animation ) ; if ( state . events ?. disconnect ) state . events . disconnect ( target , state ) ; } ) ; } ; /**
 * Creates a root to safely render/unmount.
 */ export const createRoot = ( target , config ) : Root => ( { render : ( element ) => render ( element , target , config ) , unmount : ( ) => unmountComponentAtNode ( target ) , } ) ; /**
 * Portals into a remote OGL element.
 */ export const createPortal = ( children , target ) : React . ReactNode => reconciler . createPortal ( children , target , null , null ) ;