// node_modules/@angular/animations/fesm2022/private_export.mjs
var AnimationMetadataType;
(function(AnimationMetadataType2) {
  AnimationMetadataType2[AnimationMetadataType2["State"] = 0] = "State";
  AnimationMetadataType2[AnimationMetadataType2["Transition"] = 1] = "Transition";
  AnimationMetadataType2[AnimationMetadataType2["Sequence"] = 2] = "Sequence";
  AnimationMetadataType2[AnimationMetadataType2["Group"] = 3] = "Group";
  AnimationMetadataType2[AnimationMetadataType2["Animate"] = 4] = "Animate";
  AnimationMetadataType2[AnimationMetadataType2["Keyframes"] = 5] = "Keyframes";
  AnimationMetadataType2[AnimationMetadataType2["Style"] = 6] = "Style";
  AnimationMetadataType2[AnimationMetadataType2["Trigger"] = 7] = "Trigger";
  AnimationMetadataType2[AnimationMetadataType2["Reference"] = 8] = "Reference";
  AnimationMetadataType2[AnimationMetadataType2["AnimateChild"] = 9] = "AnimateChild";
  AnimationMetadataType2[AnimationMetadataType2["AnimateRef"] = 10] = "AnimateRef";
  AnimationMetadataType2[AnimationMetadataType2["Query"] = 11] = "Query";
  AnimationMetadataType2[AnimationMetadataType2["Stagger"] = 12] = "Stagger";
})(AnimationMetadataType || (AnimationMetadataType = {}));
var AUTO_STYLE = "*";
function trigger(name, definitions) {
  return { type: AnimationMetadataType.Trigger, name, definitions, options: {} };
}
function animate(timings, styles = null) {
  return { type: AnimationMetadataType.Animate, styles, timings };
}
function sequence(steps, options = null) {
  return { type: AnimationMetadataType.Sequence, steps, options };
}
function style(tokens) {
  return { type: AnimationMetadataType.Style, styles: tokens, offset: null };
}
function state(name, styles, options) {
  return { type: AnimationMetadataType.State, name, styles, options };
}
function transition(stateChangeExpr, steps, options = null) {
  return { type: AnimationMetadataType.Transition, expr: stateChangeExpr, animation: steps, options };
}
function query(selector, animation, options = null) {
  return { type: AnimationMetadataType.Query, selector, animation, options };
}
function stagger(timings, animation) {
  return { type: AnimationMetadataType.Stagger, timings, animation };
}
var NoopAnimationPlayer = class {
  _onDoneFns = [];
  _onStartFns = [];
  _onDestroyFns = [];
  _originalOnDoneFns = [];
  _originalOnStartFns = [];
  _started = false;
  _destroyed = false;
  _finished = false;
  _position = 0;
  parentPlayer = null;
  totalTime;
  constructor(duration = 0, delay = 0) {
    this.totalTime = duration + delay;
  }
  _onFinish() {
    if (!this._finished) {
      this._finished = true;
      this._onDoneFns.forEach((fn) => fn());
      this._onDoneFns = [];
    }
  }
  onStart(fn) {
    this._originalOnStartFns.push(fn);
    this._onStartFns.push(fn);
  }
  onDone(fn) {
    this._originalOnDoneFns.push(fn);
    this._onDoneFns.push(fn);
  }
  onDestroy(fn) {
    this._onDestroyFns.push(fn);
  }
  hasStarted() {
    return this._started;
  }
  init() {
  }
  play() {
    if (!this.hasStarted()) {
      this._onStart();
      this.triggerMicrotask();
    }
    this._started = true;
  }
  /** @internal */
  triggerMicrotask() {
    queueMicrotask(() => this._onFinish());
  }
  _onStart() {
    this._onStartFns.forEach((fn) => fn());
    this._onStartFns = [];
  }
  pause() {
  }
  restart() {
  }
  finish() {
    this._onFinish();
  }
  destroy() {
    if (!this._destroyed) {
      this._destroyed = true;
      if (!this.hasStarted()) {
        this._onStart();
      }
      this.finish();
      this._onDestroyFns.forEach((fn) => fn());
      this._onDestroyFns = [];
    }
  }
  reset() {
    this._started = false;
    this._finished = false;
    this._onStartFns = this._originalOnStartFns;
    this._onDoneFns = this._originalOnDoneFns;
  }
  setPosition(position) {
    this._position = this.totalTime ? position * this.totalTime : 1;
  }
  getPosition() {
    return this.totalTime ? this._position / this.totalTime : 1;
  }
  /** @internal */
  triggerCallback(phaseName) {
    const methods = phaseName == "start" ? this._onStartFns : this._onDoneFns;
    methods.forEach((fn) => fn());
    methods.length = 0;
  }
};
var AnimationGroupPlayer = class {
  _onDoneFns = [];
  _onStartFns = [];
  _finished = false;
  _started = false;
  _destroyed = false;
  _onDestroyFns = [];
  parentPlayer = null;
  totalTime = 0;
  players;
  constructor(_players) {
    this.players = _players;
    let doneCount = 0;
    let destroyCount = 0;
    let startCount = 0;
    const total = this.players.length;
    if (total == 0) {
      queueMicrotask(() => this._onFinish());
    } else {
      this.players.forEach((player) => {
        player.onDone(() => {
          if (++doneCount == total) {
            this._onFinish();
          }
        });
        player.onDestroy(() => {
          if (++destroyCount == total) {
            this._onDestroy();
          }
        });
        player.onStart(() => {
          if (++startCount == total) {
            this._onStart();
          }
        });
      });
    }
    this.totalTime = this.players.reduce((time, player) => Math.max(time, player.totalTime), 0);
  }
  _onFinish() {
    if (!this._finished) {
      this._finished = true;
      this._onDoneFns.forEach((fn) => fn());
      this._onDoneFns = [];
    }
  }
  init() {
    this.players.forEach((player) => player.init());
  }
  onStart(fn) {
    this._onStartFns.push(fn);
  }
  _onStart() {
    if (!this.hasStarted()) {
      this._started = true;
      this._onStartFns.forEach((fn) => fn());
      this._onStartFns = [];
    }
  }
  onDone(fn) {
    this._onDoneFns.push(fn);
  }
  onDestroy(fn) {
    this._onDestroyFns.push(fn);
  }
  hasStarted() {
    return this._started;
  }
  play() {
    if (!this.parentPlayer) {
      this.init();
    }
    this._onStart();
    this.players.forEach((player) => player.play());
  }
  pause() {
    this.players.forEach((player) => player.pause());
  }
  restart() {
    this.players.forEach((player) => player.restart());
  }
  finish() {
    this._onFinish();
    this.players.forEach((player) => player.finish());
  }
  destroy() {
    this._onDestroy();
  }
  _onDestroy() {
    if (!this._destroyed) {
      this._destroyed = true;
      this._onFinish();
      this.players.forEach((player) => player.destroy());
      this._onDestroyFns.forEach((fn) => fn());
      this._onDestroyFns = [];
    }
  }
  reset() {
    this.players.forEach((player) => player.reset());
    this._destroyed = false;
    this._finished = false;
    this._started = false;
  }
  setPosition(p) {
    const timeAtPosition = p * this.totalTime;
    this.players.forEach((player) => {
      const position = player.totalTime ? Math.min(1, timeAtPosition / player.totalTime) : 1;
      player.setPosition(position);
    });
  }
  getPosition() {
    const longestPlayer = this.players.reduce((longestSoFar, player) => {
      const newPlayerIsLongest = longestSoFar === null || player.totalTime > longestSoFar.totalTime;
      return newPlayerIsLongest ? player : longestSoFar;
    }, null);
    return longestPlayer != null ? longestPlayer.getPosition() : 0;
  }
  beforeDestroy() {
    this.players.forEach((player) => {
      if (player.beforeDestroy) {
        player.beforeDestroy();
      }
    });
  }
  /** @internal */
  triggerCallback(phaseName) {
    const methods = phaseName == "start" ? this._onStartFns : this._onDoneFns;
    methods.forEach((fn) => fn());
    methods.length = 0;
  }
};
var ɵPRE_STYLE = "!";

export {
  AnimationMetadataType,
  AUTO_STYLE,
  trigger,
  animate,
  sequence,
  style,
  state,
  transition,
  query,
  stagger,
  NoopAnimationPlayer,
  AnimationGroupPlayer,
  ɵPRE_STYLE
};
/*! Bundled license information:

@angular/animations/fesm2022/private_export.mjs:
  (**
   * @license Angular v20.3.18
   * (c) 2010-2025 Google LLC. https://angular.dev/
   * License: MIT
   *)
*/
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