raf-handler/lib/index.mjs.map

Use for centralize request animation frame

{"version":3,"file":"index.mjs","sources":["../src/index.ts"],"sourcesContent":["if (!window || !window.requestAnimationFrame) {\n  window.requestAnimationFrame = () => null;\n  window.cancelAnimationFrame = () => null;\n}\n\nexport interface TypesOptions {\n  fps?: number;\n}\n\nexport interface TypesStore {\n  rAF?: { (timestamp: number): void }[];\n  fps: number;\n  then: number;\n  id?: number;\n  now?: number;\n  delta?: number;\n  interval?: number;\n}\n\nexport const store: TypesStore = {\n  rAF: [],\n  fps: 60,\n  then: Date.now(),\n};\n\nexport const update = (timestamp: number) => {\n  const { rAF } = store;\n\n  store.interval = 1000 / store.fps;\n  store.now = Date.now();\n  store.delta = store.now - store.then;\n\n  if (store.delta > store.interval) {\n    store.then = store.now - (store.delta % store.interval);\n\n    for (let i = 0, { length } = rAF; i < length; i += 1) rAF[i](timestamp);\n  }\n\n  return requestAnimationFrame(update);\n};\n\nexport const resetUpdate = () => {\n  if (store.id) window.cancelAnimationFrame(store.id);\n  store.id = null;\n  store.rAF = null;\n};\n\nexport const subscribeUpdate = (fn: (timestamp: number) => any) => {\n  if (!store.rAF) store.rAF = [];\n  store.rAF.push(fn);\n};\n\nexport const unsubscribeUpdate = (fn: (timestamp: number) => any) => {\n  const { rAF } = store;\n  for (let i = 0, { length } = rAF; i < length; i += 1) {\n    if (rAF[i] === fn) {\n      store.rAF.splice(i, 1);\n      i--;\n    }\n  }\n};\n\nconst initUpdate = (options?: TypesOptions) => {\n  if (options?.fps) store.fps = options.fps;\n\n  store.id = window?.requestAnimationFrame(update);\n\n  return {\n    reset: resetUpdate,\n    add: subscribeUpdate,\n    remove: unsubscribeUpdate,\n    update,\n    store,\n  };\n};\n\nexport default initUpdate;\n"],"names":["window","requestAnimationFrame","cancelAnimationFrame","store","rAF","fps","then","Date","now","update","timestamp","interval","delta","i","length","resetUpdate","id","subscribeUpdate","fn","push","unsubscribeUpdate","splice","initUpdate","options","_window","reset","add","remove"],"mappings":"AAAKA,QAAWA,OAAOC,wBACrBD,OAAOC,sBAAwB,wBAC/BD,OAAOE,qBAAuB,yBAiBnBC,IAAAA,EAAoB,CAC/BC,IAAK,GACLC,IAAK,GACLC,KAAMC,KAAKC,OAGAC,EAAS,SAATA,EAAUC,GACrB,IAAQN,EAAQD,EAARC,IAMR,GAJAD,EAAMQ,SAAW,IAAOR,EAAME,IAC9BF,EAAMK,IAAMD,KAAKC,MACjBL,EAAMS,MAAQT,EAAMK,IAAML,EAAMG,KAE5BH,EAAMS,MAAQT,EAAMQ,SAAU,CAChCR,EAAMG,KAAOH,EAAMK,IAAOL,EAAMS,MAAQT,EAAMQ,SAE9C,IAAS,IAAAE,EAAI,EAAKC,EAAWV,EAAXU,OAAgBD,EAAIC,EAAQD,GAAK,EAAGT,EAAIS,GAAGH,GAG/D,OAAOT,sBAAsBQ,IAGlBM,EAAc,WACrBZ,EAAMa,IAAIhB,OAAOE,qBAAqBC,EAAMa,IAChDb,EAAMa,GAAK,KACXb,EAAMC,IAAM,MAGDa,EAAkB,SAACC,GACzBf,EAAMC,MAAKD,EAAMC,IAAM,IAC5BD,EAAMC,IAAIe,KAAKD,IAGJE,EAAoB,SAACF,GAEhC,IADA,IAAQd,EAAQD,EAARC,IACCS,EAAI,EAAKC,EAAWV,EAAXU,OAAgBD,EAAIC,EAAQD,GAAK,EAC7CT,EAAIS,KAAOK,IACbf,EAAMC,IAAIiB,OAAOR,EAAG,GACpBA,MAKAS,EAAa,SAACC,SAKlB,aAJIA,GAAAA,EAASlB,MAAKF,EAAME,IAAMkB,EAAQlB,KAEtCF,EAAMa,YAAKhB,eAAAwB,EAAQvB,sBAAsBQ,GAElC,CACLgB,MAAOV,EACPW,IAAKT,EACLU,OAAQP,EACRX,OAAAA,EACAN,MAAAA"}