{"version":3,"sources":["../packages/core/src/clock.ts","../packages/core/src/uid.ts","../package.json","../packages/core/src/tempus.ts"],"sourcesContent":["export default class Clock {\r\n  private _elapsed = 0\r\n  private _currentTime = 0\r\n  private _startTime: number | undefined = undefined\r\n  private _lastTime: number | undefined = undefined\r\n  private _isPlaying = false\r\n  private _deltaTime = 0\r\n\r\n  play() {\r\n    if (this._isPlaying) return\r\n    this._currentTime = 0\r\n    this._startTime = undefined\r\n    this._isPlaying = true\r\n  }\r\n\r\n  pause() {\r\n    if (!this._isPlaying) return\r\n    this._deltaTime = 0\r\n    this._isPlaying = false\r\n  }\r\n\r\n  reset() {\r\n    this._elapsed = 0\r\n    this._deltaTime = 0\r\n    this._currentTime = 0\r\n    this._lastTime = undefined\r\n    this._isPlaying = false\r\n  }\r\n\r\n  update(browserTime: number) {\r\n    if (!this._isPlaying) return\r\n\r\n    if (!this._startTime) {\r\n      /**\r\n       * We always rely on the browser's tick time from the requestAnimationFrame, avoid mixing it\r\n       * with performance.now() because it's not in sync with the browser's rendering timeline.\r\n       */\r\n      this._startTime = browserTime\r\n    }\r\n\r\n    if (this._lastTime === undefined) {\r\n      this._lastTime = this._startTime\r\n      this._currentTime = 0\r\n      this._deltaTime = 0\r\n    } else {\r\n      this._lastTime = this._currentTime\r\n      this._currentTime = browserTime - this._startTime\r\n      this._deltaTime = this._currentTime - this._lastTime\r\n      this._elapsed += this._deltaTime\r\n    }\r\n  }\r\n\r\n  get time() {\r\n    return this._elapsed\r\n  }\r\n\r\n  get isPlaying() {\r\n    return this._isPlaying\r\n  }\r\n\r\n  get deltaTime() {\r\n    return this._deltaTime\r\n  }\r\n}\r\n","let index = 0\n\nexport function getUID(): number {\n  return index++\n}\n","{\n  \"name\": \"tempus\",\n  \"version\": \"1.0.0-dev.16\",\n  \"description\": \"one rAF to rule them all\",\n  \"type\": \"module\",\n  \"sideEffects\": false,\n  \"unpkg\": \"./dist/tempus.mjs\",\n  \"main\": \"./dist/tempus.mjs\",\n  \"module\": \"./dist/tempus.mjs\",\n  \"types\": \"./dist/tempus.d.ts\",\n  \"exports\": {\n    \".\": {\n      \"types\": \"./dist/tempus.d.ts\",\n      \"default\": \"./dist/tempus.mjs\"\n    },\n    \"./react\": {\n      \"types\": \"./dist/tempus-react.d.ts\",\n      \"default\": \"./dist/tempus-react.mjs\"\n    },\n    \"./dist/*\": \"./dist/*\"\n  },\n  \"scripts\": {\n    \"build\": \"pnpm build:core && pnpm build:all\",\n    \"build:core\": \"tsup --config tsup.core.ts\",\n    \"build:all\": \"tsup\",\n    \"dev\": \"pnpm run -w --parallel /^dev:.*/\",\n    \"dev:build\": \"tsup --watch\",\n    \"dev:playground\": \"pnpm --filter playground dev\",\n    \"readme\": \"node ./scripts/update-readme.js\",\n    \"version:dev\": \"npm version prerelease --preid dev --force --no-git-tag-version\",\n    \"version:patch\": \"npm version patch --force --no-git-tag-version\",\n    \"version:minor\": \"npm version minor --force --no-git-tag-version\",\n    \"version:major\": \"npm version major --force --no-git-tag-version\",\n    \"postversion\": \"pnpm build && pnpm readme\",\n    \"publish:main\": \"npm publish\",\n    \"publish:dev\": \"npm publish --tag dev\"\n  },\n  \"files\": [\n    \"dist\"\n  ],\n  \"repository\": {\n    \"type\": \"git\",\n    \"url\": \"git+https://github.com/darkroomengineering/tempus.git\"\n  },\n  \"keywords\": [\n    \"raf\",\n    \"ticker\",\n    \"framerate\",\n    \"fps\"\n  ],\n  \"author\": \"darkroom.engineering\",\n  \"license\": \"MIT\",\n  \"bugs\": {\n    \"url\": \"https://github.com/darkroomengineering/tempus/issues\"\n  },\n  \"homepage\": \"https://github.com/darkroomengineering/tempus\",\n  \"funding\": {\n    \"type\": \"github\",\n    \"url\": \"https://github.com/sponsors/darkroomengineering\"\n  },\n  \"devDependencies\": {\n    \"@biomejs/biome\": \"1.9.4\",\n    \"tsup\": \"^8.3.6\",\n    \"typescript\": \"^5.7.3\",\n    \"lottie-web\": \"^5.13.0\"\n  },\n  \"peerDependencies\": {\n    \"react\": \">=17.0.0\"\n  },\n  \"peerDependenciesMeta\": {\n    \"react\": {\n      \"optional\": true\n    }\n  }\n}\n","// Infinity = max FPS (system default)\r\n\r\nimport Clock from './clock'\r\nimport type { TempusCallback, TempusOptions, UID } from './types'\r\nimport { getUID } from './uid'\r\nimport { version } from '../../../package.json'\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\nif (isClient) {\r\n  ;(window as any).tempusVersion = version\r\n}\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, frameCount: 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, frameCount)\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, frameCount: 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, frameCount)\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, frameCount)\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, frameCount)\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  clock = new Clock()\r\n  fps?: number\r\n  usage = 0\r\n  private rafId: number | undefined\r\n  frameCount = 0\r\n\r\n  constructor() {\r\n    if (!isClient) return\r\n\r\n    this.play()\r\n  }\r\n\r\n  restart() {\r\n    if (this.rafId) {\r\n      cancelAnimationFrame(this.rafId)\r\n    }\r\n    this.frameCount = 0\r\n\r\n    for (const framerate of Object.values(this.framerates)) {\r\n      framerate.framesCount = 0\r\n      framerate.time = 0\r\n      framerate.lastTickDate = performance.now()\r\n    }\r\n\r\n    this.clock.reset()\r\n    this.play()\r\n  }\r\n\r\n  play() {\r\n    if (!isClient || this.clock.isPlaying) return\r\n\r\n    this.clock.play()\r\n    this.rafId = requestAnimationFrame(this.raf)\r\n  }\r\n\r\n  pause() {\r\n    if (!isClient || !this.rafId || !this.clock.isPlaying) return\r\n\r\n    cancelAnimationFrame(this.rafId)\r\n    this.rafId = undefined\r\n    this.clock.pause()\r\n  }\r\n\r\n  get isPlaying() {\r\n    return this.clock.isPlaying\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 = (browserElapsed: number) => {\r\n    if (!isClient) return\r\n\r\n    this.clock.update(browserElapsed)\r\n\r\n    const elapsed = this.clock.time\r\n    const deltaTime = this.clock.deltaTime\r\n\r\n    this.fps = 1000 / deltaTime\r\n\r\n    const now = performance.now()\r\n\r\n    for (const framerate of Object.values(this.framerates)) {\r\n      framerate.raf(elapsed, deltaTime, this.frameCount)\r\n    }\r\n\r\n    const duration = performance.now() - now\r\n\r\n    this.usage = duration / deltaTime\r\n    this.frameCount++\r\n\r\n    this.rafId = 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      const stringifiedCallback = callback.toString()\r\n\r\n      if (\r\n        (stringifiedCallback.includes(\r\n          `requestAnimationFrame(${callback.name})`\r\n        ) ||\r\n          stringifiedCallback.includes(\r\n            `requestAnimationFrame(this.${callback.name})`\r\n          )) &&\r\n        callback !== this.raf\r\n      ) {\r\n        // @ts-ignore\r\n        if (!callback.__tempusPatched) {\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      return originalRAF(callback)\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  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