{"version":3,"sources":["../packages/core/src/uid.ts","../packages/core/src/tempus.ts"],"sourcesContent":["let index = 0\r\n\r\nexport function getUID(): number {\r\n  return index++\r\n}\r\n","// Infinity = max FPS (system default)\r\n\r\nimport type { TempusCallback, TempusOptions, UID } from './types'\r\nimport { getUID } from './uid'\r\n\r\nconst isClient = typeof window !== 'undefined'\r\n\r\nconst originalRAF = (isClient &&\r\n  window.requestAnimationFrame) as typeof window.requestAnimationFrame\r\nconst originalCancelRAF = (isClient &&\r\n  window.cancelAnimationFrame) as typeof window.cancelAnimationFrame\r\n\r\nclass Framerate {\r\n  callbacks: {\r\n    callback: TempusCallback\r\n    priority: number\r\n    uid: UID\r\n    label: string\r\n    samples: number[]\r\n  }[] = []\r\n  fps: number | string\r\n  time = 0\r\n  lastTickDate = performance.now()\r\n  framesCount = 0\r\n\r\n  constructor(fps: number | string = Number.POSITIVE_INFINITY) {\r\n    this.fps = fps\r\n  }\r\n\r\n  get isRelativeFps() {\r\n    // eg: '33%'\r\n    return typeof this.fps === 'string' && this.fps.endsWith('%')\r\n  }\r\n\r\n  get maxFramesCount() {\r\n    if (!this.isRelativeFps) return 1\r\n\r\n    // @ts-ignore\r\n    return Math.max(1, Math.round(100 / Number(this.fps.replace('%', ''))))\r\n  }\r\n\r\n  get executionTime() {\r\n    if (this.isRelativeFps) return 0\r\n\r\n    // @ts-ignore\r\n    return 1000 / this.fps\r\n  }\r\n\r\n  dispatch(time: number, deltaTime: number) {\r\n    for (let i = 0; i < this.callbacks.length; i++) {\r\n      const now = performance.now()\r\n\r\n      this.callbacks[i]?.callback(time, deltaTime)\r\n\r\n      const duration = performance.now() - now\r\n\r\n      this.callbacks[i]!.samples?.push(duration)\r\n      this.callbacks[i]!.samples = this.callbacks[i]!.samples?.slice(-9)\r\n    }\r\n  }\r\n\r\n  raf(time: number, deltaTime: number) {\r\n    this.time += deltaTime\r\n\r\n    if (this.isRelativeFps) {\r\n      if (this.framesCount === 0) {\r\n        this.dispatch(time, deltaTime)\r\n      }\r\n\r\n      this.framesCount++\r\n      this.framesCount %= this.maxFramesCount\r\n    } else {\r\n      if (this.fps === Number.POSITIVE_INFINITY) {\r\n        this.dispatch(time, deltaTime)\r\n      } else if (this.time >= this.executionTime) {\r\n        this.time = this.time % this.executionTime\r\n        const deltaTime = time - this.lastTickDate\r\n        this.lastTickDate = time\r\n\r\n        this.dispatch(time, deltaTime)\r\n      }\r\n    }\r\n  }\r\n\r\n  add({\r\n    callback,\r\n    priority,\r\n    label,\r\n  }: { callback: TempusCallback; priority: number; label: string }) {\r\n    if (typeof callback !== 'function') {\r\n      console.warn('Tempus.add: callback is not a function')\r\n      return\r\n    }\r\n\r\n    const uid = getUID()\r\n    this.callbacks.push({ callback, priority, uid, label, samples: [] })\r\n    this.callbacks.sort((a, b) => a.priority - b.priority)\r\n\r\n    return () => this.remove(uid)\r\n  }\r\n\r\n  remove(uid: UID) {\r\n    this.callbacks = this.callbacks.filter(({ uid: u }) => uid !== u)\r\n  }\r\n}\r\n\r\nclass TempusImpl {\r\n  framerates: Record<number | string, Framerate>\r\n  time: number\r\n  fps?: number\r\n  usage: number\r\n\r\n  constructor() {\r\n    this.framerates = {}\r\n    this.time = isClient ? performance.now() : 0\r\n    this.usage = 0\r\n\r\n    if (!isClient) return\r\n\r\n    requestAnimationFrame(this.raf)\r\n  }\r\n\r\n  add(\r\n    callback: TempusCallback,\r\n    {\r\n      priority = 0,\r\n      fps = Number.POSITIVE_INFINITY,\r\n      label = '',\r\n    }: TempusOptions = {}\r\n  ) {\r\n    if (!isClient) return\r\n\r\n    if (\r\n      typeof fps === 'number' ||\r\n      (typeof fps === 'string' && fps.endsWith('%'))\r\n    ) {\r\n      if (!this.framerates[fps]) this.framerates[fps] = new Framerate(fps)\r\n      return this.framerates[fps].add({ callback, priority, label })\r\n    }\r\n\r\n    console.warn('Tempus.add: fps is not a number or a string ending with \"%\"')\r\n  }\r\n\r\n  private raf = (time: number) => {\r\n    if (!isClient) return\r\n\r\n    const deltaTime = time - this.time\r\n    this.time = time\r\n\r\n    this.fps = 1000 / deltaTime\r\n\r\n    const now = performance.now()\r\n    for (const framerate of Object.values(this.framerates)) {\r\n      framerate.raf(time, deltaTime)\r\n    }\r\n\r\n    const duration = performance.now() - now\r\n\r\n    this.usage = duration / deltaTime\r\n\r\n    requestAnimationFrame(this.raf)\r\n  }\r\n\r\n  patch() {\r\n    if (!isClient) return\r\n\r\n    window.requestAnimationFrame = (\r\n      callback,\r\n      { priority = 0, fps = Number.POSITIVE_INFINITY } = {}\r\n    ) => {\r\n      if (\r\n        callback === this.raf ||\r\n        !callback.toString().includes('requestAnimationFrame(')\r\n      ) {\r\n        return originalRAF(callback)\r\n      }\r\n\r\n      // @ts-ignore\r\n      if (!callback.__tempusPatched) {\r\n        console.log('patching', callback.name, callback)\r\n        // @ts-ignore\r\n        callback.__tempusPatched = true\r\n        // @ts-ignore\r\n        callback.__tempusUnsubscribe = this.add(callback, {\r\n          priority,\r\n          fps,\r\n          label: callback.name,\r\n        })\r\n      }\r\n\r\n      // @ts-ignore\r\n      return callback.__tempusUnsubscribe\r\n    }\r\n\r\n    window.cancelAnimationFrame = (callback: number | (() => void)) => {\r\n      if (typeof callback === 'function') {\r\n        callback?.()\r\n        return\r\n      }\r\n\r\n      return originalCancelRAF(callback)\r\n    }\r\n  }\r\n\r\n  unpatch() {\r\n    if (!isClient) return\r\n\r\n    window.requestAnimationFrame = originalRAF\r\n    window.cancelAnimationFrame = originalCancelRAF\r\n  }\r\n}\r\n\r\nconst Tempus = new TempusImpl()\r\n\r\nexport { Tempus }\r\n"],"mappings":";AAAA,IAAI,QAAQ;AAEL,SAAS,SAAiB;AAC/B,SAAO;AACT;;;ACCA,IAAM,WAAW,OAAO,WAAW;AAEnC,IAAM,cAAe,YACnB,OAAO;AACT,IAAM,oBAAqB,YACzB,OAAO;AAET,IAAM,YAAN,MAAgB;AAAA,EACd,YAMM,CAAC;AAAA,EACP;AAAA,EACA,OAAO;AAAA,EACP,eAAe,YAAY,IAAI;AAAA,EAC/B,cAAc;AAAA,EAEd,YAAY,MAAuB,OAAO,mBAAmB;AAC3D,SAAK,MAAM;AAAA,EACb;AAAA,EAEA,IAAI,gBAAgB;AAElB,WAAO,OAAO,KAAK,QAAQ,YAAY,KAAK,IAAI,SAAS,GAAG;AAAA,EAC9D;AAAA,EAEA,IAAI,iBAAiB;AACnB,QAAI,CAAC,KAAK,cAAe,QAAO;AAGhC,WAAO,KAAK,IAAI,GAAG,KAAK,MAAM,MAAM,OAAO,KAAK,IAAI,QAAQ,KAAK,EAAE,CAAC,CAAC,CAAC;AAAA,EACxE;AAAA,EAEA,IAAI,gBAAgB;AAClB,QAAI,KAAK,cAAe,QAAO;AAG/B,WAAO,MAAO,KAAK;AAAA,EACrB;AAAA,EAEA,SAAS,MAAc,WAAmB;AACxC,aAAS,IAAI,GAAG,IAAI,KAAK,UAAU,QAAQ,KAAK;AAC9C,YAAM,MAAM,YAAY,IAAI;AAE5B,WAAK,UAAU,CAAC,GAAG,SAAS,MAAM,SAAS;AAE3C,YAAM,WAAW,YAAY,IAAI,IAAI;AAErC,WAAK,UAAU,CAAC,EAAG,SAAS,KAAK,QAAQ;AACzC,WAAK,UAAU,CAAC,EAAG,UAAU,KAAK,UAAU,CAAC,EAAG,SAAS,MAAM,EAAE;AAAA,IACnE;AAAA,EACF;AAAA,EAEA,IAAI,MAAc,WAAmB;AACnC,SAAK,QAAQ;AAEb,QAAI,KAAK,eAAe;AACtB,UAAI,KAAK,gBAAgB,GAAG;AAC1B,aAAK,SAAS,MAAM,SAAS;AAAA,MAC/B;AAEA,WAAK;AACL,WAAK,eAAe,KAAK;AAAA,IAC3B,OAAO;AACL,UAAI,KAAK,QAAQ,OAAO,mBAAmB;AACzC,aAAK,SAAS,MAAM,SAAS;AAAA,MAC/B,WAAW,KAAK,QAAQ,KAAK,eAAe;AAC1C,aAAK,OAAO,KAAK,OAAO,KAAK;AAC7B,cAAMA,aAAY,OAAO,KAAK;AAC9B,aAAK,eAAe;AAEpB,aAAK,SAAS,MAAMA,UAAS;AAAA,MAC/B;AAAA,IACF;AAAA,EACF;AAAA,EAEA,IAAI;AAAA,IACF;AAAA,IACA;AAAA,IACA;AAAA,EACF,GAAkE;AAChE,QAAI,OAAO,aAAa,YAAY;AAClC,cAAQ,KAAK,wCAAwC;AACrD;AAAA,IACF;AAEA,UAAM,MAAM,OAAO;AACnB,SAAK,UAAU,KAAK,EAAE,UAAU,UAAU,KAAK,OAAO,SAAS,CAAC,EAAE,CAAC;AACnE,SAAK,UAAU,KAAK,CAAC,GAAG,MAAM,EAAE,WAAW,EAAE,QAAQ;AAErD,WAAO,MAAM,KAAK,OAAO,GAAG;AAAA,EAC9B;AAAA,EAEA,OAAO,KAAU;AACf,SAAK,YAAY,KAAK,UAAU,OAAO,CAAC,EAAE,KAAK,EAAE,MAAM,QAAQ,CAAC;AAAA,EAClE;AACF;AAEA,IAAM,aAAN,MAAiB;AAAA,EACf;AAAA,EACA;AAAA,EACA;AAAA,EACA;AAAA,EAEA,cAAc;AACZ,SAAK,aAAa,CAAC;AACnB,SAAK,OAAO,WAAW,YAAY,IAAI,IAAI;AAC3C,SAAK,QAAQ;AAEb,QAAI,CAAC,SAAU;AAEf,0BAAsB,KAAK,GAAG;AAAA,EAChC;AAAA,EAEA,IACE,UACA;AAAA,IACE,WAAW;AAAA,IACX,MAAM,OAAO;AAAA,IACb,QAAQ;AAAA,EACV,IAAmB,CAAC,GACpB;AACA,QAAI,CAAC,SAAU;AAEf,QACE,OAAO,QAAQ,YACd,OAAO,QAAQ,YAAY,IAAI,SAAS,GAAG,GAC5C;AACA,UAAI,CAAC,KAAK,WAAW,GAAG,EAAG,MAAK,WAAW,GAAG,IAAI,IAAI,UAAU,GAAG;AACnE,aAAO,KAAK,WAAW,GAAG,EAAE,IAAI,EAAE,UAAU,UAAU,MAAM,CAAC;AAAA,IAC/D;AAEA,YAAQ,KAAK,6DAA6D;AAAA,EAC5E;AAAA,EAEQ,MAAM,CAAC,SAAiB;AAC9B,QAAI,CAAC,SAAU;AAEf,UAAM,YAAY,OAAO,KAAK;AAC9B,SAAK,OAAO;AAEZ,SAAK,MAAM,MAAO;AAElB,UAAM,MAAM,YAAY,IAAI;AAC5B,eAAW,aAAa,OAAO,OAAO,KAAK,UAAU,GAAG;AACtD,gBAAU,IAAI,MAAM,SAAS;AAAA,IAC/B;AAEA,UAAM,WAAW,YAAY,IAAI,IAAI;AAErC,SAAK,QAAQ,WAAW;AAExB,0BAAsB,KAAK,GAAG;AAAA,EAChC;AAAA,EAEA,QAAQ;AACN,QAAI,CAAC,SAAU;AAEf,WAAO,wBAAwB,CAC7B,UACA,EAAE,WAAW,GAAG,MAAM,OAAO,kBAAkB,IAAI,CAAC,MACjD;AACH,UACE,aAAa,KAAK,OAClB,CAAC,SAAS,SAAS,EAAE,SAAS,wBAAwB,GACtD;AACA,eAAO,YAAY,QAAQ;AAAA,MAC7B;AAGA,UAAI,CAAC,SAAS,iBAAiB;AAC7B,gBAAQ,IAAI,YAAY,SAAS,MAAM,QAAQ;AAE/C,iBAAS,kBAAkB;AAE3B,iBAAS,sBAAsB,KAAK,IAAI,UAAU;AAAA,UAChD;AAAA,UACA;AAAA,UACA,OAAO,SAAS;AAAA,QAClB,CAAC;AAAA,MACH;AAGA,aAAO,SAAS;AAAA,IAClB;AAEA,WAAO,uBAAuB,CAAC,aAAoC;AACjE,UAAI,OAAO,aAAa,YAAY;AAClC,mBAAW;AACX;AAAA,MACF;AAEA,aAAO,kBAAkB,QAAQ;AAAA,IACnC;AAAA,EACF;AAAA,EAEA,UAAU;AACR,QAAI,CAAC,SAAU;AAEf,WAAO,wBAAwB;AAC/B,WAAO,uBAAuB;AAAA,EAChC;AACF;AAEA,IAAM,SAAS,IAAI,WAAW;","names":["deltaTime"]}