/**
 * @license Angular v21.1.4
 * (c) 2010-2026 Google LLC. https://angular.dev/
 * License: MIT
 */

import * as i0 from '@angular/core';
import { Injectable } from '@angular/core';
import { validateStyleProperty, containsElement, getParentElement, invokeQuery, dashCaseToCamelCase, invalidCssUnitValue, invalidExpression, invalidTransitionAlias, visitDslNode, invalidTrigger, invalidDefinition, extractStyleParams, invalidState, invalidStyleValue, SUBSTITUTION_EXPR_START, invalidParallelAnimation, validateStyleParams, invalidKeyframes, invalidOffset, keyframeOffsetsOutOfOrder, keyframesMissingOffsets, getOrSetDefaultValue, invalidStagger, resolveTiming, NG_TRIGGER_SELECTOR, NG_ANIMATING_SELECTOR, normalizeAnimationEntry, resolveTimingValue, interpolateParams, invalidQuery, registerFailed, normalizeKeyframes, LEAVE_CLASSNAME, ENTER_CLASSNAME, missingOrDestroyedAnimation, createAnimationFailed, optimizeGroupPlayer, missingPlayer, listenOnPlayer, makeAnimationEvent, triggerTransitionsFailed, eraseStyles, setStyles, transitionFailed, missingTrigger, missingEvent, unsupportedTriggerEvent, NG_TRIGGER_CLASSNAME, unregisteredTrigger, NG_ANIMATING_CLASSNAME, triggerBuildFailed, parseTimelineCommand, computeStyle, camelCaseToDashCase, validateWebAnimatableStyleProperty, allowPreviousPlayerStylesMerge, normalizeKeyframes$1, balancePreviousStylesIntoKeyframes, validationFailed, normalizeStyles, buildingFailed } from './_util-chunk.mjs';
import { NoopAnimationPlayer, AnimationMetadataType, style, AUTO_STYLE, ɵPRE_STYLE as _PRE_STYLE, AnimationGroupPlayer } from './_private_export-chunk.mjs';

class NoopAnimationDriver {
  validateStyleProperty(prop) {
    return validateStyleProperty(prop);
  }
  containsElement(elm1, elm2) {
    return containsElement(elm1, elm2);
  }
  getParentElement(element) {
    return getParentElement(element);
  }
  query(element, selector, multi) {
    return invokeQuery(element, selector, multi);
  }
  computeStyle(element, prop, defaultValue) {
    return defaultValue || '';
  }
  animate(element, keyframes, duration, delay, easing, previousPlayers = [], scrubberAccessRequested) {
    return new NoopAnimationPlayer(duration, delay);
  }
  static ɵfac = i0.ɵɵngDeclareFactory({
    minVersion: "12.0.0",
    version: "21.1.4",
    ngImport: i0,
    type: NoopAnimationDriver,
    deps: [],
    target: i0.ɵɵFactoryTarget.Injectable
  });
  static ɵprov = i0.ɵɵngDeclareInjectable({
    minVersion: "12.0.0",
    version: "21.1.4",
    ngImport: i0,
    type: NoopAnimationDriver
  });
}
i0.ɵɵngDeclareClassMetadata({
  minVersion: "12.0.0",
  version: "21.1.4",
  ngImport: i0,
  type: NoopAnimationDriver,
  decorators: [{
    type: Injectable
  }]
});
class AnimationDriver {
  static NOOP = new NoopAnimationDriver();
}

class AnimationStyleNormalizer {}
class NoopAnimationStyleNormalizer {
  normalizePropertyName(propertyName, errors) {
    return propertyName;
  }
  normalizeStyleValue(userProvidedProperty, normalizedProperty, value, errors) {
    return value;
  }
}

const DIMENSIONAL_PROP_SET = new Set(['width', 'height', 'minWidth', 'minHeight', 'maxWidth', 'maxHeight', 'left', 'top', 'bottom', 'right', 'fontSize', 'outlineWidth', 'outlineOffset', 'paddingTop', 'paddingLeft', 'paddingBottom', 'paddingRight', 'marginTop', 'marginLeft', 'marginBottom', 'marginRight', 'borderRadius', 'borderWidth', 'borderTopWidth', 'borderLeftWidth', 'borderRightWidth', 'borderBottomWidth', 'textIndent', 'perspective']);
class WebAnimationsStyleNormalizer extends AnimationStyleNormalizer {
  normalizePropertyName(propertyName, errors) {
    return dashCaseToCamelCase(propertyName);
  }
  normalizeStyleValue(userProvidedProperty, normalizedProperty, value, errors) {
    let unit = '';
    const strVal = value.toString().trim();
    if (DIMENSIONAL_PROP_SET.has(normalizedProperty) && value !== 0 && value !== '0') {
      if (typeof value === 'number') {
        unit = 'px';
      } else {
        const valAndSuffixMatch = value.match(/^[+-]?[\d\.]+([a-z]*)$/);
        if (valAndSuffixMatch && valAndSuffixMatch[1].length == 0) {
          errors.push(invalidCssUnitValue(userProvidedProperty, value));
        }
      }
    }
    return strVal + unit;
  }
}

function createListOfWarnings(warnings) {
  const LINE_START = '\n - ';
  return `${LINE_START}${warnings.filter(Boolean).map(warning => warning).join(LINE_START)}`;
}
function warnValidation(warnings) {
  console.warn(`animation validation warnings:${createListOfWarnings(warnings)}`);
}
function warnTriggerBuild(name, warnings) {
  console.warn(`The animation trigger "${name}" has built with the following warnings:${createListOfWarnings(warnings)}`);
}
function warnRegister(warnings) {
  console.warn(`Animation built with the following warnings:${createListOfWarnings(warnings)}`);
}
function pushUnrecognizedPropertiesWarning(warnings, props) {
  if (props.length) {
    warnings.push(`The following provided properties are not recognized: ${props.join(', ')}`);
  }
}

const ANY_STATE = '*';
function parseTransitionExpr(transitionValue, errors) {
  const expressions = [];
  if (typeof transitionValue == 'string') {
    transitionValue.split(/\s*,\s*/).forEach(str => parseInnerTransitionStr(str, expressions, errors));
  } else {
    expressions.push(transitionValue);
  }
  return expressions;
}
function parseInnerTransitionStr(eventStr, expressions, errors) {
  if (eventStr[0] == ':') {
    const result = parseAnimationAlias(eventStr, errors);
    if (typeof result == 'function') {
      expressions.push(result);
      return;
    }
    eventStr = result;
  }
  const match = eventStr.match(/^(\*|[-\w]+)\s*(<?[=-]>)\s*(\*|[-\w]+)$/);
  if (match == null || match.length < 4) {
    errors.push(invalidExpression(eventStr));
    return expressions;
  }
  const fromState = match[1];
  const separator = match[2];
  const toState = match[3];
  expressions.push(makeLambdaFromStates(fromState, toState));
  const isFullAnyStateExpr = fromState == ANY_STATE && toState == ANY_STATE;
  if (separator[0] == '<' && !isFullAnyStateExpr) {
    expressions.push(makeLambdaFromStates(toState, fromState));
  }
  return;
}
function parseAnimationAlias(alias, errors) {
  switch (alias) {
    case ':enter':
      return 'void => *';
    case ':leave':
      return '* => void';
    case ':increment':
      return (fromState, toState) => parseFloat(toState) > parseFloat(fromState);
    case ':decrement':
      return (fromState, toState) => parseFloat(toState) < parseFloat(fromState);
    default:
      errors.push(invalidTransitionAlias(alias));
      return '* => *';
  }
}
const TRUE_BOOLEAN_VALUES = new Set(['true', '1']);
const FALSE_BOOLEAN_VALUES = new Set(['false', '0']);
function makeLambdaFromStates(lhs, rhs) {
  const LHS_MATCH_BOOLEAN = TRUE_BOOLEAN_VALUES.has(lhs) || FALSE_BOOLEAN_VALUES.has(lhs);
  const RHS_MATCH_BOOLEAN = TRUE_BOOLEAN_VALUES.has(rhs) || FALSE_BOOLEAN_VALUES.has(rhs);
  return (fromState, toState) => {
    let lhsMatch = lhs == ANY_STATE || lhs == fromState;
    let rhsMatch = rhs == ANY_STATE || rhs == toState;
    if (!lhsMatch && LHS_MATCH_BOOLEAN && typeof fromState === 'boolean') {
      lhsMatch = fromState ? TRUE_BOOLEAN_VALUES.has(lhs) : FALSE_BOOLEAN_VALUES.has(lhs);
    }
    if (!rhsMatch && RHS_MATCH_BOOLEAN && typeof toState === 'boolean') {
      rhsMatch = toState ? TRUE_BOOLEAN_VALUES.has(rhs) : FALSE_BOOLEAN_VALUES.has(rhs);
    }
    return lhsMatch && rhsMatch;
  };
}

const SELF_TOKEN = ':self';
const SELF_TOKEN_REGEX = /* @__PURE__ */new RegExp(`s*${SELF_TOKEN}s*,?`, 'g');
function buildAnimationAst(driver, metadata, errors, warnings) {
  return new AnimationAstBuilderVisitor(driver).build(metadata, errors, warnings);
}
const ROOT_SELECTOR = '';
class AnimationAstBuilderVisitor {
  _driver;
  constructor(_driver) {
    this._driver = _driver;
  }
  build(metadata, errors, warnings) {
    const context = new AnimationAstBuilderContext(errors);
    this._resetContextStyleTimingState(context);
    const ast = visitDslNode(this, normalizeAnimationEntry(metadata), context);
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      if (context.unsupportedCSSPropertiesFound.size) {
        pushUnrecognizedPropertiesWarning(warnings, [...context.unsupportedCSSPropertiesFound.keys()]);
      }
    }
    return ast;
  }
  _resetContextStyleTimingState(context) {
    context.currentQuerySelector = ROOT_SELECTOR;
    context.collectedStyles = new Map();
    context.collectedStyles.set(ROOT_SELECTOR, new Map());
    context.currentTime = 0;
  }
  visitTrigger(metadata, context) {
    let queryCount = context.queryCount = 0;
    let depCount = context.depCount = 0;
    const states = [];
    const transitions = [];
    if (metadata.name.charAt(0) == '@') {
      context.errors.push(invalidTrigger());
    }
    metadata.definitions.forEach(def => {
      this._resetContextStyleTimingState(context);
      if (def.type == AnimationMetadataType.State) {
        const stateDef = def;
        const name = stateDef.name;
        name.toString().split(/\s*,\s*/).forEach(n => {
          stateDef.name = n;
          states.push(this.visitState(stateDef, context));
        });
        stateDef.name = name;
      } else if (def.type == AnimationMetadataType.Transition) {
        const transition = this.visitTransition(def, context);
        queryCount += transition.queryCount;
        depCount += transition.depCount;
        transitions.push(transition);
      } else {
        context.errors.push(invalidDefinition());
      }
    });
    return {
      type: AnimationMetadataType.Trigger,
      name: metadata.name,
      states,
      transitions,
      queryCount,
      depCount,
      options: null
    };
  }
  visitState(metadata, context) {
    const styleAst = this.visitStyle(metadata.styles, context);
    const astParams = metadata.options && metadata.options.params || null;
    if (styleAst.containsDynamicStyles) {
      const missingSubs = new Set();
      const params = astParams || {};
      styleAst.styles.forEach(style => {
        if (style instanceof Map) {
          style.forEach(value => {
            extractStyleParams(value).forEach(sub => {
              if (!params.hasOwnProperty(sub)) {
                missingSubs.add(sub);
              }
            });
          });
        }
      });
      if (missingSubs.size) {
        context.errors.push(invalidState(metadata.name, [...missingSubs.values()]));
      }
    }
    return {
      type: AnimationMetadataType.State,
      name: metadata.name,
      style: styleAst,
      options: astParams ? {
        params: astParams
      } : null
    };
  }
  visitTransition(metadata, context) {
    context.queryCount = 0;
    context.depCount = 0;
    const animation = visitDslNode(this, normalizeAnimationEntry(metadata.animation), context);
    const matchers = parseTransitionExpr(metadata.expr, context.errors);
    return {
      type: AnimationMetadataType.Transition,
      matchers,
      animation,
      queryCount: context.queryCount,
      depCount: context.depCount,
      options: normalizeAnimationOptions(metadata.options)
    };
  }
  visitSequence(metadata, context) {
    return {
      type: AnimationMetadataType.Sequence,
      steps: metadata.steps.map(s => visitDslNode(this, s, context)),
      options: normalizeAnimationOptions(metadata.options)
    };
  }
  visitGroup(metadata, context) {
    const currentTime = context.currentTime;
    let furthestTime = 0;
    const steps = metadata.steps.map(step => {
      context.currentTime = currentTime;
      const innerAst = visitDslNode(this, step, context);
      furthestTime = Math.max(furthestTime, context.currentTime);
      return innerAst;
    });
    context.currentTime = furthestTime;
    return {
      type: AnimationMetadataType.Group,
      steps,
      options: normalizeAnimationOptions(metadata.options)
    };
  }
  visitAnimate(metadata, context) {
    const timingAst = constructTimingAst(metadata.timings, context.errors);
    context.currentAnimateTimings = timingAst;
    let styleAst;
    let styleMetadata = metadata.styles ? metadata.styles : style({});
    if (styleMetadata.type == AnimationMetadataType.Keyframes) {
      styleAst = this.visitKeyframes(styleMetadata, context);
    } else {
      let styleMetadata = metadata.styles;
      let isEmpty = false;
      if (!styleMetadata) {
        isEmpty = true;
        const newStyleData = {};
        if (timingAst.easing) {
          newStyleData['easing'] = timingAst.easing;
        }
        styleMetadata = style(newStyleData);
      }
      context.currentTime += timingAst.duration + timingAst.delay;
      const _styleAst = this.visitStyle(styleMetadata, context);
      _styleAst.isEmptyStep = isEmpty;
      styleAst = _styleAst;
    }
    context.currentAnimateTimings = null;
    return {
      type: AnimationMetadataType.Animate,
      timings: timingAst,
      style: styleAst,
      options: null
    };
  }
  visitStyle(metadata, context) {
    const ast = this._makeStyleAst(metadata, context);
    this._validateStyleAst(ast, context);
    return ast;
  }
  _makeStyleAst(metadata, context) {
    const styles = [];
    const metadataStyles = Array.isArray(metadata.styles) ? metadata.styles : [metadata.styles];
    for (let styleTuple of metadataStyles) {
      if (typeof styleTuple === 'string') {
        if (styleTuple === AUTO_STYLE) {
          styles.push(styleTuple);
        } else {
          context.errors.push(invalidStyleValue(styleTuple));
        }
      } else {
        styles.push(new Map(Object.entries(styleTuple)));
      }
    }
    let containsDynamicStyles = false;
    let collectedEasing = null;
    styles.forEach(styleData => {
      if (styleData instanceof Map) {
        if (styleData.has('easing')) {
          collectedEasing = styleData.get('easing');
          styleData.delete('easing');
        }
        if (!containsDynamicStyles) {
          for (let value of styleData.values()) {
            if (value.toString().indexOf(SUBSTITUTION_EXPR_START) >= 0) {
              containsDynamicStyles = true;
              break;
            }
          }
        }
      }
    });
    return {
      type: AnimationMetadataType.Style,
      styles,
      easing: collectedEasing,
      offset: metadata.offset,
      containsDynamicStyles,
      options: null
    };
  }
  _validateStyleAst(ast, context) {
    const timings = context.currentAnimateTimings;
    let endTime = context.currentTime;
    let startTime = context.currentTime;
    if (timings && startTime > 0) {
      startTime -= timings.duration + timings.delay;
    }
    ast.styles.forEach(tuple => {
      if (typeof tuple === 'string') return;
      tuple.forEach((value, prop) => {
        if (typeof ngDevMode === 'undefined' || ngDevMode) {
          if (!this._driver.validateStyleProperty(prop)) {
            tuple.delete(prop);
            context.unsupportedCSSPropertiesFound.add(prop);
            return;
          }
        }
        const collectedStyles = context.collectedStyles.get(context.currentQuerySelector);
        const collectedEntry = collectedStyles.get(prop);
        let updateCollectedStyle = true;
        if (collectedEntry) {
          if (startTime != endTime && startTime >= collectedEntry.startTime && endTime <= collectedEntry.endTime) {
            context.errors.push(invalidParallelAnimation(prop, collectedEntry.startTime, collectedEntry.endTime, startTime, endTime));
            updateCollectedStyle = false;
          }
          startTime = collectedEntry.startTime;
        }
        if (updateCollectedStyle) {
          collectedStyles.set(prop, {
            startTime,
            endTime
          });
        }
        if (context.options) {
          validateStyleParams(value, context.options, context.errors);
        }
      });
    });
  }
  visitKeyframes(metadata, context) {
    const ast = {
      type: AnimationMetadataType.Keyframes,
      styles: [],
      options: null
    };
    if (!context.currentAnimateTimings) {
      context.errors.push(invalidKeyframes());
      return ast;
    }
    const MAX_KEYFRAME_OFFSET = 1;
    let totalKeyframesWithOffsets = 0;
    const offsets = [];
    let offsetsOutOfOrder = false;
    let keyframesOutOfRange = false;
    let previousOffset = 0;
    const keyframes = metadata.steps.map(styles => {
      const style = this._makeStyleAst(styles, context);
      let offsetVal = style.offset != null ? style.offset : consumeOffset(style.styles);
      let offset = 0;
      if (offsetVal != null) {
        totalKeyframesWithOffsets++;
        offset = style.offset = offsetVal;
      }
      keyframesOutOfRange = keyframesOutOfRange || offset < 0 || offset > 1;
      offsetsOutOfOrder = offsetsOutOfOrder || offset < previousOffset;
      previousOffset = offset;
      offsets.push(offset);
      return style;
    });
    if (keyframesOutOfRange) {
      context.errors.push(invalidOffset());
    }
    if (offsetsOutOfOrder) {
      context.errors.push(keyframeOffsetsOutOfOrder());
    }
    const length = metadata.steps.length;
    let generatedOffset = 0;
    if (totalKeyframesWithOffsets > 0 && totalKeyframesWithOffsets < length) {
      context.errors.push(keyframesMissingOffsets());
    } else if (totalKeyframesWithOffsets == 0) {
      generatedOffset = MAX_KEYFRAME_OFFSET / (length - 1);
    }
    const limit = length - 1;
    const currentTime = context.currentTime;
    const currentAnimateTimings = context.currentAnimateTimings;
    const animateDuration = currentAnimateTimings.duration;
    keyframes.forEach((kf, i) => {
      const offset = generatedOffset > 0 ? i == limit ? 1 : generatedOffset * i : offsets[i];
      const durationUpToThisFrame = offset * animateDuration;
      context.currentTime = currentTime + currentAnimateTimings.delay + durationUpToThisFrame;
      currentAnimateTimings.duration = durationUpToThisFrame;
      this._validateStyleAst(kf, context);
      kf.offset = offset;
      ast.styles.push(kf);
    });
    return ast;
  }
  visitReference(metadata, context) {
    return {
      type: AnimationMetadataType.Reference,
      animation: visitDslNode(this, normalizeAnimationEntry(metadata.animation), context),
      options: normalizeAnimationOptions(metadata.options)
    };
  }
  visitAnimateChild(metadata, context) {
    context.depCount++;
    return {
      type: AnimationMetadataType.AnimateChild,
      options: normalizeAnimationOptions(metadata.options)
    };
  }
  visitAnimateRef(metadata, context) {
    return {
      type: AnimationMetadataType.AnimateRef,
      animation: this.visitReference(metadata.animation, context),
      options: normalizeAnimationOptions(metadata.options)
    };
  }
  visitQuery(metadata, context) {
    const parentSelector = context.currentQuerySelector;
    const options = metadata.options || {};
    context.queryCount++;
    context.currentQuery = metadata;
    const [selector, includeSelf] = normalizeSelector(metadata.selector);
    context.currentQuerySelector = parentSelector.length ? parentSelector + ' ' + selector : selector;
    getOrSetDefaultValue(context.collectedStyles, context.currentQuerySelector, new Map());
    const animation = visitDslNode(this, normalizeAnimationEntry(metadata.animation), context);
    context.currentQuery = null;
    context.currentQuerySelector = parentSelector;
    return {
      type: AnimationMetadataType.Query,
      selector,
      limit: options.limit || 0,
      optional: !!options.optional,
      includeSelf,
      animation,
      originalSelector: metadata.selector,
      options: normalizeAnimationOptions(metadata.options)
    };
  }
  visitStagger(metadata, context) {
    if (!context.currentQuery) {
      context.errors.push(invalidStagger());
    }
    const timings = metadata.timings === 'full' ? {
      duration: 0,
      delay: 0,
      easing: 'full'
    } : resolveTiming(metadata.timings, context.errors, true);
    return {
      type: AnimationMetadataType.Stagger,
      animation: visitDslNode(this, normalizeAnimationEntry(metadata.animation), context),
      timings,
      options: null
    };
  }
}
function normalizeSelector(selector) {
  const hasAmpersand = selector.split(/\s*,\s*/).find(token => token == SELF_TOKEN) ? true : false;
  if (hasAmpersand) {
    selector = selector.replace(SELF_TOKEN_REGEX, '');
  }
  selector = selector.replace(/@\*/g, NG_TRIGGER_SELECTOR).replace(/@\w+/g, match => NG_TRIGGER_SELECTOR + '-' + match.slice(1)).replace(/:animating/g, NG_ANIMATING_SELECTOR);
  return [selector, hasAmpersand];
}
function normalizeParams(obj) {
  return obj ? {
    ...obj
  } : null;
}
class AnimationAstBuilderContext {
  errors;
  queryCount = 0;
  depCount = 0;
  currentTransition = null;
  currentQuery = null;
  currentQuerySelector = null;
  currentAnimateTimings = null;
  currentTime = 0;
  collectedStyles = new Map();
  options = null;
  unsupportedCSSPropertiesFound = new Set();
  constructor(errors) {
    this.errors = errors;
  }
}
function consumeOffset(styles) {
  if (typeof styles == 'string') return null;
  let offset = null;
  if (Array.isArray(styles)) {
    styles.forEach(styleTuple => {
      if (styleTuple instanceof Map && styleTuple.has('offset')) {
        const obj = styleTuple;
        offset = parseFloat(obj.get('offset'));
        obj.delete('offset');
      }
    });
  } else if (styles instanceof Map && styles.has('offset')) {
    const obj = styles;
    offset = parseFloat(obj.get('offset'));
    obj.delete('offset');
  }
  return offset;
}
function constructTimingAst(value, errors) {
  if (value.hasOwnProperty('duration')) {
    return value;
  }
  if (typeof value == 'number') {
    const duration = resolveTiming(value, errors).duration;
    return makeTimingAst(duration, 0, '');
  }
  const strValue = value;
  const isDynamic = strValue.split(/\s+/).some(v => v.charAt(0) == '{' && v.charAt(1) == '{');
  if (isDynamic) {
    const ast = makeTimingAst(0, 0, '');
    ast.dynamic = true;
    ast.strValue = strValue;
    return ast;
  }
  const timings = resolveTiming(strValue, errors);
  return makeTimingAst(timings.duration, timings.delay, timings.easing);
}
function normalizeAnimationOptions(options) {
  if (options) {
    options = {
      ...options
    };
    if (options['params']) {
      options['params'] = normalizeParams(options['params']);
    }
  } else {
    options = {};
  }
  return options;
}
function makeTimingAst(duration, delay, easing) {
  return {
    duration,
    delay,
    easing
  };
}

function createTimelineInstruction(element, keyframes, preStyleProps, postStyleProps, duration, delay, easing = null, subTimeline = false) {
  return {
    type: 1,
    element,
    keyframes,
    preStyleProps,
    postStyleProps,
    duration,
    delay,
    totalTime: duration + delay,
    easing,
    subTimeline
  };
}

class ElementInstructionMap {
  _map = new Map();
  get(element) {
    return this._map.get(element) || [];
  }
  append(element, instructions) {
    let existingInstructions = this._map.get(element);
    if (!existingInstructions) {
      this._map.set(element, existingInstructions = []);
    }
    existingInstructions.push(...instructions);
  }
  has(element) {
    return this._map.has(element);
  }
  clear() {
    this._map.clear();
  }
}

const ONE_FRAME_IN_MILLISECONDS = 1;
const ENTER_TOKEN = ':enter';
const ENTER_TOKEN_REGEX = /* @__PURE__ */new RegExp(ENTER_TOKEN, 'g');
const LEAVE_TOKEN = ':leave';
const LEAVE_TOKEN_REGEX = /* @__PURE__ */new RegExp(LEAVE_TOKEN, 'g');
function buildAnimationTimelines(driver, rootElement, ast, enterClassName, leaveClassName, startingStyles = new Map(), finalStyles = new Map(), options, subInstructions, errors = []) {
  return new AnimationTimelineBuilderVisitor().buildKeyframes(driver, rootElement, ast, enterClassName, leaveClassName, startingStyles, finalStyles, options, subInstructions, errors);
}
class AnimationTimelineBuilderVisitor {
  buildKeyframes(driver, rootElement, ast, enterClassName, leaveClassName, startingStyles, finalStyles, options, subInstructions, errors = []) {
    subInstructions = subInstructions || new ElementInstructionMap();
    const context = new AnimationTimelineContext(driver, rootElement, subInstructions, enterClassName, leaveClassName, errors, []);
    context.options = options;
    const delay = options.delay ? resolveTimingValue(options.delay) : 0;
    context.currentTimeline.delayNextStep(delay);
    context.currentTimeline.setStyles([startingStyles], null, context.errors, options);
    visitDslNode(this, ast, context);
    const timelines = context.timelines.filter(timeline => timeline.containsAnimation());
    if (timelines.length && finalStyles.size) {
      let lastRootTimeline;
      for (let i = timelines.length - 1; i >= 0; i--) {
        const timeline = timelines[i];
        if (timeline.element === rootElement) {
          lastRootTimeline = timeline;
          break;
        }
      }
      if (lastRootTimeline && !lastRootTimeline.allowOnlyTimelineStyles()) {
        lastRootTimeline.setStyles([finalStyles], null, context.errors, options);
      }
    }
    return timelines.length ? timelines.map(timeline => timeline.buildKeyframes()) : [createTimelineInstruction(rootElement, [], [], [], 0, delay, '', false)];
  }
  visitTrigger(ast, context) {}
  visitState(ast, context) {}
  visitTransition(ast, context) {}
  visitAnimateChild(ast, context) {
    const elementInstructions = context.subInstructions.get(context.element);
    if (elementInstructions) {
      const innerContext = context.createSubContext(ast.options);
      const startTime = context.currentTimeline.currentTime;
      const endTime = this._visitSubInstructions(elementInstructions, innerContext, innerContext.options);
      if (startTime != endTime) {
        context.transformIntoNewTimeline(endTime);
      }
    }
    context.previousNode = ast;
  }
  visitAnimateRef(ast, context) {
    const innerContext = context.createSubContext(ast.options);
    innerContext.transformIntoNewTimeline();
    this._applyAnimationRefDelays([ast.options, ast.animation.options], context, innerContext);
    this.visitReference(ast.animation, innerContext);
    context.transformIntoNewTimeline(innerContext.currentTimeline.currentTime);
    context.previousNode = ast;
  }
  _applyAnimationRefDelays(animationsRefsOptions, context, innerContext) {
    for (const animationRefOptions of animationsRefsOptions) {
      const animationDelay = animationRefOptions?.delay;
      if (animationDelay) {
        const animationDelayValue = typeof animationDelay === 'number' ? animationDelay : resolveTimingValue(interpolateParams(animationDelay, animationRefOptions?.params ?? {}, context.errors));
        innerContext.delayNextStep(animationDelayValue);
      }
    }
  }
  _visitSubInstructions(instructions, context, options) {
    const startTime = context.currentTimeline.currentTime;
    let furthestTime = startTime;
    const duration = options.duration != null ? resolveTimingValue(options.duration) : null;
    const delay = options.delay != null ? resolveTimingValue(options.delay) : null;
    if (duration !== 0) {
      instructions.forEach(instruction => {
        const instructionTimings = context.appendInstructionToTimeline(instruction, duration, delay);
        furthestTime = Math.max(furthestTime, instructionTimings.duration + instructionTimings.delay);
      });
    }
    return furthestTime;
  }
  visitReference(ast, context) {
    context.updateOptions(ast.options, true);
    visitDslNode(this, ast.animation, context);
    context.previousNode = ast;
  }
  visitSequence(ast, context) {
    const subContextCount = context.subContextCount;
    let ctx = context;
    const options = ast.options;
    if (options && (options.params || options.delay)) {
      ctx = context.createSubContext(options);
      ctx.transformIntoNewTimeline();
      if (options.delay != null) {
        if (ctx.previousNode.type == AnimationMetadataType.Style) {
          ctx.currentTimeline.snapshotCurrentStyles();
          ctx.previousNode = DEFAULT_NOOP_PREVIOUS_NODE;
        }
        const delay = resolveTimingValue(options.delay);
        ctx.delayNextStep(delay);
      }
    }
    if (ast.steps.length) {
      ast.steps.forEach(s => visitDslNode(this, s, ctx));
      ctx.currentTimeline.applyStylesToKeyframe();
      if (ctx.subContextCount > subContextCount) {
        ctx.transformIntoNewTimeline();
      }
    }
    context.previousNode = ast;
  }
  visitGroup(ast, context) {
    const innerTimelines = [];
    let furthestTime = context.currentTimeline.currentTime;
    const delay = ast.options && ast.options.delay ? resolveTimingValue(ast.options.delay) : 0;
    ast.steps.forEach(s => {
      const innerContext = context.createSubContext(ast.options);
      if (delay) {
        innerContext.delayNextStep(delay);
      }
      visitDslNode(this, s, innerContext);
      furthestTime = Math.max(furthestTime, innerContext.currentTimeline.currentTime);
      innerTimelines.push(innerContext.currentTimeline);
    });
    innerTimelines.forEach(timeline => context.currentTimeline.mergeTimelineCollectedStyles(timeline));
    context.transformIntoNewTimeline(furthestTime);
    context.previousNode = ast;
  }
  _visitTiming(ast, context) {
    if (ast.dynamic) {
      const strValue = ast.strValue;
      const timingValue = context.params ? interpolateParams(strValue, context.params, context.errors) : strValue;
      return resolveTiming(timingValue, context.errors);
    } else {
      return {
        duration: ast.duration,
        delay: ast.delay,
        easing: ast.easing
      };
    }
  }
  visitAnimate(ast, context) {
    const timings = context.currentAnimateTimings = this._visitTiming(ast.timings, context);
    const timeline = context.currentTimeline;
    if (timings.delay) {
      context.incrementTime(timings.delay);
      timeline.snapshotCurrentStyles();
    }
    const style = ast.style;
    if (style.type == AnimationMetadataType.Keyframes) {
      this.visitKeyframes(style, context);
    } else {
      context.incrementTime(timings.duration);
      this.visitStyle(style, context);
      timeline.applyStylesToKeyframe();
    }
    context.currentAnimateTimings = null;
    context.previousNode = ast;
  }
  visitStyle(ast, context) {
    const timeline = context.currentTimeline;
    const timings = context.currentAnimateTimings;
    if (!timings && timeline.hasCurrentStyleProperties()) {
      timeline.forwardFrame();
    }
    const easing = timings && timings.easing || ast.easing;
    if (ast.isEmptyStep) {
      timeline.applyEmptyStep(easing);
    } else {
      timeline.setStyles(ast.styles, easing, context.errors, context.options);
    }
    context.previousNode = ast;
  }
  visitKeyframes(ast, context) {
    const currentAnimateTimings = context.currentAnimateTimings;
    const startTime = context.currentTimeline.duration;
    const duration = currentAnimateTimings.duration;
    const innerContext = context.createSubContext();
    const innerTimeline = innerContext.currentTimeline;
    innerTimeline.easing = currentAnimateTimings.easing;
    ast.styles.forEach(step => {
      const offset = step.offset || 0;
      innerTimeline.forwardTime(offset * duration);
      innerTimeline.setStyles(step.styles, step.easing, context.errors, context.options);
      innerTimeline.applyStylesToKeyframe();
    });
    context.currentTimeline.mergeTimelineCollectedStyles(innerTimeline);
    context.transformIntoNewTimeline(startTime + duration);
    context.previousNode = ast;
  }
  visitQuery(ast, context) {
    const startTime = context.currentTimeline.currentTime;
    const options = ast.options || {};
    const delay = options.delay ? resolveTimingValue(options.delay) : 0;
    if (delay && (context.previousNode.type === AnimationMetadataType.Style || startTime == 0 && context.currentTimeline.hasCurrentStyleProperties())) {
      context.currentTimeline.snapshotCurrentStyles();
      context.previousNode = DEFAULT_NOOP_PREVIOUS_NODE;
    }
    let furthestTime = startTime;
    const elms = context.invokeQuery(ast.selector, ast.originalSelector, ast.limit, ast.includeSelf, options.optional ? true : false, context.errors);
    context.currentQueryTotal = elms.length;
    let sameElementTimeline = null;
    elms.forEach((element, i) => {
      context.currentQueryIndex = i;
      const innerContext = context.createSubContext(ast.options, element);
      if (delay) {
        innerContext.delayNextStep(delay);
      }
      if (element === context.element) {
        sameElementTimeline = innerContext.currentTimeline;
      }
      visitDslNode(this, ast.animation, innerContext);
      innerContext.currentTimeline.applyStylesToKeyframe();
      const endTime = innerContext.currentTimeline.currentTime;
      furthestTime = Math.max(furthestTime, endTime);
    });
    context.currentQueryIndex = 0;
    context.currentQueryTotal = 0;
    context.transformIntoNewTimeline(furthestTime);
    if (sameElementTimeline) {
      context.currentTimeline.mergeTimelineCollectedStyles(sameElementTimeline);
      context.currentTimeline.snapshotCurrentStyles();
    }
    context.previousNode = ast;
  }
  visitStagger(ast, context) {
    const parentContext = context.parentContext;
    const tl = context.currentTimeline;
    const timings = ast.timings;
    const duration = Math.abs(timings.duration);
    const maxTime = duration * (context.currentQueryTotal - 1);
    let delay = duration * context.currentQueryIndex;
    let staggerTransformer = timings.duration < 0 ? 'reverse' : timings.easing;
    switch (staggerTransformer) {
      case 'reverse':
        delay = maxTime - delay;
        break;
      case 'full':
        delay = parentContext.currentStaggerTime;
        break;
    }
    const timeline = context.currentTimeline;
    if (delay) {
      timeline.delayNextStep(delay);
    }
    const startingTime = timeline.currentTime;
    visitDslNode(this, ast.animation, context);
    context.previousNode = ast;
    parentContext.currentStaggerTime = tl.currentTime - startingTime + (tl.startTime - parentContext.currentTimeline.startTime);
  }
}
const DEFAULT_NOOP_PREVIOUS_NODE = {};
class AnimationTimelineContext {
  _driver;
  element;
  subInstructions;
  _enterClassName;
  _leaveClassName;
  errors;
  timelines;
  parentContext = null;
  currentTimeline;
  currentAnimateTimings = null;
  previousNode = DEFAULT_NOOP_PREVIOUS_NODE;
  subContextCount = 0;
  options = {};
  currentQueryIndex = 0;
  currentQueryTotal = 0;
  currentStaggerTime = 0;
  constructor(_driver, element, subInstructions, _enterClassName, _leaveClassName, errors, timelines, initialTimeline) {
    this._driver = _driver;
    this.element = element;
    this.subInstructions = subInstructions;
    this._enterClassName = _enterClassName;
    this._leaveClassName = _leaveClassName;
    this.errors = errors;
    this.timelines = timelines;
    this.currentTimeline = initialTimeline || new TimelineBuilder(this._driver, element, 0);
    timelines.push(this.currentTimeline);
  }
  get params() {
    return this.options.params;
  }
  updateOptions(options, skipIfExists) {
    if (!options) return;
    const newOptions = options;
    let optionsToUpdate = this.options;
    if (newOptions.duration != null) {
      optionsToUpdate.duration = resolveTimingValue(newOptions.duration);
    }
    if (newOptions.delay != null) {
      optionsToUpdate.delay = resolveTimingValue(newOptions.delay);
    }
    const newParams = newOptions.params;
    if (newParams) {
      let paramsToUpdate = optionsToUpdate.params;
      if (!paramsToUpdate) {
        paramsToUpdate = this.options.params = {};
      }
      Object.keys(newParams).forEach(name => {
        if (!skipIfExists || !paramsToUpdate.hasOwnProperty(name)) {
          paramsToUpdate[name] = interpolateParams(newParams[name], paramsToUpdate, this.errors);
        }
      });
    }
  }
  _copyOptions() {
    const options = {};
    if (this.options) {
      const oldParams = this.options.params;
      if (oldParams) {
        const params = options['params'] = {};
        Object.keys(oldParams).forEach(name => {
          params[name] = oldParams[name];
        });
      }
    }
    return options;
  }
  createSubContext(options = null, element, newTime) {
    const target = element || this.element;
    const context = new AnimationTimelineContext(this._driver, target, this.subInstructions, this._enterClassName, this._leaveClassName, this.errors, this.timelines, this.currentTimeline.fork(target, newTime || 0));
    context.previousNode = this.previousNode;
    context.currentAnimateTimings = this.currentAnimateTimings;
    context.options = this._copyOptions();
    context.updateOptions(options);
    context.currentQueryIndex = this.currentQueryIndex;
    context.currentQueryTotal = this.currentQueryTotal;
    context.parentContext = this;
    this.subContextCount++;
    return context;
  }
  transformIntoNewTimeline(newTime) {
    this.previousNode = DEFAULT_NOOP_PREVIOUS_NODE;
    this.currentTimeline = this.currentTimeline.fork(this.element, newTime);
    this.timelines.push(this.currentTimeline);
    return this.currentTimeline;
  }
  appendInstructionToTimeline(instruction, duration, delay) {
    const updatedTimings = {
      duration: duration != null ? duration : instruction.duration,
      delay: this.currentTimeline.currentTime + (delay != null ? delay : 0) + instruction.delay,
      easing: ''
    };
    const builder = new SubTimelineBuilder(this._driver, instruction.element, instruction.keyframes, instruction.preStyleProps, instruction.postStyleProps, updatedTimings, instruction.stretchStartingKeyframe);
    this.timelines.push(builder);
    return updatedTimings;
  }
  incrementTime(time) {
    this.currentTimeline.forwardTime(this.currentTimeline.duration + time);
  }
  delayNextStep(delay) {
    if (delay > 0) {
      this.currentTimeline.delayNextStep(delay);
    }
  }
  invokeQuery(selector, originalSelector, limit, includeSelf, optional, errors) {
    let results = [];
    if (includeSelf) {
      results.push(this.element);
    }
    if (selector.length > 0) {
      selector = selector.replace(ENTER_TOKEN_REGEX, '.' + this._enterClassName);
      selector = selector.replace(LEAVE_TOKEN_REGEX, '.' + this._leaveClassName);
      const multi = limit != 1;
      let elements = this._driver.query(this.element, selector, multi);
      if (limit !== 0) {
        elements = limit < 0 ? elements.slice(elements.length + limit, elements.length) : elements.slice(0, limit);
      }
      results.push(...elements);
    }
    if (!optional && results.length == 0) {
      errors.push(invalidQuery(originalSelector));
    }
    return results;
  }
}
class TimelineBuilder {
  _driver;
  element;
  startTime;
  _elementTimelineStylesLookup;
  duration = 0;
  easing = null;
  _previousKeyframe = new Map();
  _currentKeyframe = new Map();
  _keyframes = new Map();
  _styleSummary = new Map();
  _localTimelineStyles = new Map();
  _globalTimelineStyles;
  _pendingStyles = new Map();
  _backFill = new Map();
  _currentEmptyStepKeyframe = null;
  constructor(_driver, element, startTime, _elementTimelineStylesLookup) {
    this._driver = _driver;
    this.element = element;
    this.startTime = startTime;
    this._elementTimelineStylesLookup = _elementTimelineStylesLookup;
    if (!this._elementTimelineStylesLookup) {
      this._elementTimelineStylesLookup = new Map();
    }
    this._globalTimelineStyles = this._elementTimelineStylesLookup.get(element);
    if (!this._globalTimelineStyles) {
      this._globalTimelineStyles = this._localTimelineStyles;
      this._elementTimelineStylesLookup.set(element, this._localTimelineStyles);
    }
    this._loadKeyframe();
  }
  containsAnimation() {
    switch (this._keyframes.size) {
      case 0:
        return false;
      case 1:
        return this.hasCurrentStyleProperties();
      default:
        return true;
    }
  }
  hasCurrentStyleProperties() {
    return this._currentKeyframe.size > 0;
  }
  get currentTime() {
    return this.startTime + this.duration;
  }
  delayNextStep(delay) {
    const hasPreStyleStep = this._keyframes.size === 1 && this._pendingStyles.size;
    if (this.duration || hasPreStyleStep) {
      this.forwardTime(this.currentTime + delay);
      if (hasPreStyleStep) {
        this.snapshotCurrentStyles();
      }
    } else {
      this.startTime += delay;
    }
  }
  fork(element, currentTime) {
    this.applyStylesToKeyframe();
    return new TimelineBuilder(this._driver, element, currentTime || this.currentTime, this._elementTimelineStylesLookup);
  }
  _loadKeyframe() {
    if (this._currentKeyframe) {
      this._previousKeyframe = this._currentKeyframe;
    }
    this._currentKeyframe = this._keyframes.get(this.duration);
    if (!this._currentKeyframe) {
      this._currentKeyframe = new Map();
      this._keyframes.set(this.duration, this._currentKeyframe);
    }
  }
  forwardFrame() {
    this.duration += ONE_FRAME_IN_MILLISECONDS;
    this._loadKeyframe();
  }
  forwardTime(time) {
    this.applyStylesToKeyframe();
    this.duration = time;
    this._loadKeyframe();
  }
  _updateStyle(prop, value) {
    this._localTimelineStyles.set(prop, value);
    this._globalTimelineStyles.set(prop, value);
    this._styleSummary.set(prop, {
      time: this.currentTime,
      value
    });
  }
  allowOnlyTimelineStyles() {
    return this._currentEmptyStepKeyframe !== this._currentKeyframe;
  }
  applyEmptyStep(easing) {
    if (easing) {
      this._previousKeyframe.set('easing', easing);
    }
    for (let [prop, value] of this._globalTimelineStyles) {
      this._backFill.set(prop, value || AUTO_STYLE);
      this._currentKeyframe.set(prop, AUTO_STYLE);
    }
    this._currentEmptyStepKeyframe = this._currentKeyframe;
  }
  setStyles(input, easing, errors, options) {
    if (easing) {
      this._previousKeyframe.set('easing', easing);
    }
    const params = options && options.params || {};
    const styles = flattenStyles(input, this._globalTimelineStyles);
    for (let [prop, value] of styles) {
      const val = interpolateParams(value, params, errors);
      this._pendingStyles.set(prop, val);
      if (!this._localTimelineStyles.has(prop)) {
        this._backFill.set(prop, this._globalTimelineStyles.get(prop) ?? AUTO_STYLE);
      }
      this._updateStyle(prop, val);
    }
  }
  applyStylesToKeyframe() {
    if (this._pendingStyles.size == 0) return;
    this._pendingStyles.forEach((val, prop) => {
      this._currentKeyframe.set(prop, val);
    });
    this._pendingStyles.clear();
    this._localTimelineStyles.forEach((val, prop) => {
      if (!this._currentKeyframe.has(prop)) {
        this._currentKeyframe.set(prop, val);
      }
    });
  }
  snapshotCurrentStyles() {
    for (let [prop, val] of this._localTimelineStyles) {
      this._pendingStyles.set(prop, val);
      this._updateStyle(prop, val);
    }
  }
  getFinalKeyframe() {
    return this._keyframes.get(this.duration);
  }
  get properties() {
    const properties = [];
    for (let prop in this._currentKeyframe) {
      properties.push(prop);
    }
    return properties;
  }
  mergeTimelineCollectedStyles(timeline) {
    timeline._styleSummary.forEach((details1, prop) => {
      const details0 = this._styleSummary.get(prop);
      if (!details0 || details1.time > details0.time) {
        this._updateStyle(prop, details1.value);
      }
    });
  }
  buildKeyframes() {
    this.applyStylesToKeyframe();
    const preStyleProps = new Set();
    const postStyleProps = new Set();
    const isEmpty = this._keyframes.size === 1 && this.duration === 0;
    let finalKeyframes = [];
    this._keyframes.forEach((keyframe, time) => {
      const finalKeyframe = new Map([...this._backFill, ...keyframe]);
      finalKeyframe.forEach((value, prop) => {
        if (value === _PRE_STYLE) {
          preStyleProps.add(prop);
        } else if (value === AUTO_STYLE) {
          postStyleProps.add(prop);
        }
      });
      if (!isEmpty) {
        finalKeyframe.set('offset', time / this.duration);
      }
      finalKeyframes.push(finalKeyframe);
    });
    const preProps = [...preStyleProps.values()];
    const postProps = [...postStyleProps.values()];
    if (isEmpty) {
      const kf0 = finalKeyframes[0];
      const kf1 = new Map(kf0);
      kf0.set('offset', 0);
      kf1.set('offset', 1);
      finalKeyframes = [kf0, kf1];
    }
    return createTimelineInstruction(this.element, finalKeyframes, preProps, postProps, this.duration, this.startTime, this.easing, false);
  }
}
class SubTimelineBuilder extends TimelineBuilder {
  keyframes;
  preStyleProps;
  postStyleProps;
  _stretchStartingKeyframe;
  timings;
  constructor(driver, element, keyframes, preStyleProps, postStyleProps, timings, _stretchStartingKeyframe = false) {
    super(driver, element, timings.delay);
    this.keyframes = keyframes;
    this.preStyleProps = preStyleProps;
    this.postStyleProps = postStyleProps;
    this._stretchStartingKeyframe = _stretchStartingKeyframe;
    this.timings = {
      duration: timings.duration,
      delay: timings.delay,
      easing: timings.easing
    };
  }
  containsAnimation() {
    return this.keyframes.length > 1;
  }
  buildKeyframes() {
    let keyframes = this.keyframes;
    let {
      delay,
      duration,
      easing
    } = this.timings;
    if (this._stretchStartingKeyframe && delay) {
      const newKeyframes = [];
      const totalTime = duration + delay;
      const startingGap = delay / totalTime;
      const newFirstKeyframe = new Map(keyframes[0]);
      newFirstKeyframe.set('offset', 0);
      newKeyframes.push(newFirstKeyframe);
      const oldFirstKeyframe = new Map(keyframes[0]);
      oldFirstKeyframe.set('offset', roundOffset(startingGap));
      newKeyframes.push(oldFirstKeyframe);
      const limit = keyframes.length - 1;
      for (let i = 1; i <= limit; i++) {
        let kf = new Map(keyframes[i]);
        const oldOffset = kf.get('offset');
        const timeAtKeyframe = delay + oldOffset * duration;
        kf.set('offset', roundOffset(timeAtKeyframe / totalTime));
        newKeyframes.push(kf);
      }
      duration = totalTime;
      delay = 0;
      easing = '';
      keyframes = newKeyframes;
    }
    return createTimelineInstruction(this.element, keyframes, this.preStyleProps, this.postStyleProps, duration, delay, easing, true);
  }
}
function roundOffset(offset, decimalPoints = 3) {
  const mult = Math.pow(10, decimalPoints - 1);
  return Math.round(offset * mult) / mult;
}
function flattenStyles(input, allStyles) {
  const styles = new Map();
  let allProperties;
  input.forEach(token => {
    if (token === '*') {
      allProperties ??= allStyles.keys();
      for (let prop of allProperties) {
        styles.set(prop, AUTO_STYLE);
      }
    } else {
      for (let [prop, val] of token) {
        styles.set(prop, val);
      }
    }
  });
  return styles;
}

function createTransitionInstruction(element, triggerName, fromState, toState, isRemovalTransition, fromStyles, toStyles, timelines, queriedElements, preStyleProps, postStyleProps, totalTime, errors) {
  return {
    type: 0,
    element,
    triggerName,
    isRemovalTransition,
    fromState,
    fromStyles,
    toState,
    toStyles,
    timelines,
    queriedElements,
    preStyleProps,
    postStyleProps,
    totalTime,
    errors
  };
}

const EMPTY_OBJECT = {};
class AnimationTransitionFactory {
  _triggerName;
  ast;
  _stateStyles;
  constructor(_triggerName, ast, _stateStyles) {
    this._triggerName = _triggerName;
    this.ast = ast;
    this._stateStyles = _stateStyles;
  }
  match(currentState, nextState, element, params) {
    return oneOrMoreTransitionsMatch(this.ast.matchers, currentState, nextState, element, params);
  }
  buildStyles(stateName, params, errors) {
    let styler = this._stateStyles.get('*');
    if (stateName !== undefined) {
      styler = this._stateStyles.get(stateName?.toString()) || styler;
    }
    return styler ? styler.buildStyles(params, errors) : new Map();
  }
  build(driver, element, currentState, nextState, enterClassName, leaveClassName, currentOptions, nextOptions, subInstructions, skipAstBuild) {
    const errors = [];
    const transitionAnimationParams = this.ast.options && this.ast.options.params || EMPTY_OBJECT;
    const currentAnimationParams = currentOptions && currentOptions.params || EMPTY_OBJECT;
    const currentStateStyles = this.buildStyles(currentState, currentAnimationParams, errors);
    const nextAnimationParams = nextOptions && nextOptions.params || EMPTY_OBJECT;
    const nextStateStyles = this.buildStyles(nextState, nextAnimationParams, errors);
    const queriedElements = new Set();
    const preStyleMap = new Map();
    const postStyleMap = new Map();
    const isRemoval = nextState === 'void';
    const animationOptions = {
      params: applyParamDefaults(nextAnimationParams, transitionAnimationParams),
      delay: this.ast.options?.delay
    };
    const timelines = skipAstBuild ? [] : buildAnimationTimelines(driver, element, this.ast.animation, enterClassName, leaveClassName, currentStateStyles, nextStateStyles, animationOptions, subInstructions, errors);
    let totalTime = 0;
    timelines.forEach(tl => {
      totalTime = Math.max(tl.duration + tl.delay, totalTime);
    });
    if (errors.length) {
      return createTransitionInstruction(element, this._triggerName, currentState, nextState, isRemoval, currentStateStyles, nextStateStyles, [], [], preStyleMap, postStyleMap, totalTime, errors);
    }
    timelines.forEach(tl => {
      const elm = tl.element;
      const preProps = getOrSetDefaultValue(preStyleMap, elm, new Set());
      tl.preStyleProps.forEach(prop => preProps.add(prop));
      const postProps = getOrSetDefaultValue(postStyleMap, elm, new Set());
      tl.postStyleProps.forEach(prop => postProps.add(prop));
      if (elm !== element) {
        queriedElements.add(elm);
      }
    });
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      checkNonAnimatableInTimelines(timelines, this._triggerName, driver);
    }
    return createTransitionInstruction(element, this._triggerName, currentState, nextState, isRemoval, currentStateStyles, nextStateStyles, timelines, [...queriedElements.values()], preStyleMap, postStyleMap, totalTime);
  }
}
function checkNonAnimatableInTimelines(timelines, triggerName, driver) {
  if (!driver.validateAnimatableStyleProperty) {
    return;
  }
  const allowedNonAnimatableProps = new Set(['easing']);
  const invalidNonAnimatableProps = new Set();
  timelines.forEach(({
    keyframes
  }) => {
    const nonAnimatablePropsInitialValues = new Map();
    keyframes.forEach(keyframe => {
      const entriesToCheck = Array.from(keyframe.entries()).filter(([prop]) => !allowedNonAnimatableProps.has(prop));
      for (const [prop, value] of entriesToCheck) {
        if (!driver.validateAnimatableStyleProperty(prop)) {
          if (nonAnimatablePropsInitialValues.has(prop) && !invalidNonAnimatableProps.has(prop)) {
            const propInitialValue = nonAnimatablePropsInitialValues.get(prop);
            if (propInitialValue !== value) {
              invalidNonAnimatableProps.add(prop);
            }
          } else {
            nonAnimatablePropsInitialValues.set(prop, value);
          }
        }
      }
    });
  });
  if (invalidNonAnimatableProps.size > 0) {
    console.warn(`Warning: The animation trigger "${triggerName}" is attempting to animate the following` + ' not animatable properties: ' + Array.from(invalidNonAnimatableProps).join(', ') + '\n' + '(to check the list of all animatable properties visit https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_animated_properties)');
  }
}
function oneOrMoreTransitionsMatch(matchFns, currentState, nextState, element, params) {
  return matchFns.some(fn => fn(currentState, nextState, element, params));
}
function applyParamDefaults(userParams, defaults) {
  const result = {
    ...defaults
  };
  Object.entries(userParams).forEach(([key, value]) => {
    if (value != null) {
      result[key] = value;
    }
  });
  return result;
}
class AnimationStateStyles {
  styles;
  defaultParams;
  normalizer;
  constructor(styles, defaultParams, normalizer) {
    this.styles = styles;
    this.defaultParams = defaultParams;
    this.normalizer = normalizer;
  }
  buildStyles(params, errors) {
    const finalStyles = new Map();
    const combinedParams = applyParamDefaults(params, this.defaultParams);
    this.styles.styles.forEach(value => {
      if (typeof value !== 'string') {
        value.forEach((val, prop) => {
          if (val) {
            val = interpolateParams(val, combinedParams, errors);
          }
          const normalizedProp = this.normalizer.normalizePropertyName(prop, errors);
          val = this.normalizer.normalizeStyleValue(prop, normalizedProp, val, errors);
          finalStyles.set(prop, val);
        });
      }
    });
    return finalStyles;
  }
}

function buildTrigger(name, ast, normalizer) {
  return new AnimationTrigger(name, ast, normalizer);
}
class AnimationTrigger {
  name;
  ast;
  _normalizer;
  transitionFactories = [];
  fallbackTransition;
  states = new Map();
  constructor(name, ast, _normalizer) {
    this.name = name;
    this.ast = ast;
    this._normalizer = _normalizer;
    ast.states.forEach(ast => {
      const defaultParams = ast.options && ast.options.params || {};
      this.states.set(ast.name, new AnimationStateStyles(ast.style, defaultParams, _normalizer));
    });
    balanceProperties(this.states, 'true', '1');
    balanceProperties(this.states, 'false', '0');
    ast.transitions.forEach(ast => {
      this.transitionFactories.push(new AnimationTransitionFactory(name, ast, this.states));
    });
    this.fallbackTransition = createFallbackTransition(name, this.states);
  }
  get containsQueries() {
    return this.ast.queryCount > 0;
  }
  matchTransition(currentState, nextState, element, params) {
    const entry = this.transitionFactories.find(f => f.match(currentState, nextState, element, params));
    return entry || null;
  }
  matchStyles(currentState, params, errors) {
    return this.fallbackTransition.buildStyles(currentState, params, errors);
  }
}
function createFallbackTransition(triggerName, states, normalizer) {
  const matchers = [(fromState, toState) => true];
  const animation = {
    type: AnimationMetadataType.Sequence,
    steps: [],
    options: null
  };
  const transition = {
    type: AnimationMetadataType.Transition,
    animation,
    matchers,
    options: null,
    queryCount: 0,
    depCount: 0
  };
  return new AnimationTransitionFactory(triggerName, transition, states);
}
function balanceProperties(stateMap, key1, key2) {
  if (stateMap.has(key1)) {
    if (!stateMap.has(key2)) {
      stateMap.set(key2, stateMap.get(key1));
    }
  } else if (stateMap.has(key2)) {
    stateMap.set(key1, stateMap.get(key2));
  }
}

const EMPTY_INSTRUCTION_MAP = /* @__PURE__ */new ElementInstructionMap();
class TimelineAnimationEngine {
  bodyNode;
  _driver;
  _normalizer;
  _animations = new Map();
  _playersById = new Map();
  players = [];
  constructor(bodyNode, _driver, _normalizer) {
    this.bodyNode = bodyNode;
    this._driver = _driver;
    this._normalizer = _normalizer;
  }
  register(id, metadata) {
    const errors = [];
    const warnings = [];
    const ast = buildAnimationAst(this._driver, metadata, errors, warnings);
    if (errors.length) {
      throw registerFailed(errors);
    } else {
      if (typeof ngDevMode === 'undefined' || ngDevMode) {
        if (warnings.length) {
          warnRegister(warnings);
        }
      }
      this._animations.set(id, ast);
    }
  }
  _buildPlayer(i, preStyles, postStyles) {
    const element = i.element;
    const keyframes = normalizeKeyframes(this._normalizer, i.keyframes, preStyles, postStyles);
    return this._driver.animate(element, keyframes, i.duration, i.delay, i.easing, [], true);
  }
  create(id, element, options = {}) {
    const errors = [];
    const ast = this._animations.get(id);
    let instructions;
    const autoStylesMap = new Map();
    if (ast) {
      instructions = buildAnimationTimelines(this._driver, element, ast, ENTER_CLASSNAME, LEAVE_CLASSNAME, new Map(), new Map(), options, EMPTY_INSTRUCTION_MAP, errors);
      instructions.forEach(inst => {
        const styles = getOrSetDefaultValue(autoStylesMap, inst.element, new Map());
        inst.postStyleProps.forEach(prop => styles.set(prop, null));
      });
    } else {
      errors.push(missingOrDestroyedAnimation());
      instructions = [];
    }
    if (errors.length) {
      throw createAnimationFailed(errors);
    }
    autoStylesMap.forEach((styles, element) => {
      styles.forEach((_, prop) => {
        styles.set(prop, this._driver.computeStyle(element, prop, AUTO_STYLE));
      });
    });
    const players = instructions.map(i => {
      const styles = autoStylesMap.get(i.element);
      return this._buildPlayer(i, new Map(), styles);
    });
    const player = optimizeGroupPlayer(players);
    this._playersById.set(id, player);
    player.onDestroy(() => this.destroy(id));
    this.players.push(player);
    return player;
  }
  destroy(id) {
    const player = this._getPlayer(id);
    player.destroy();
    this._playersById.delete(id);
    const index = this.players.indexOf(player);
    if (index >= 0) {
      this.players.splice(index, 1);
    }
  }
  _getPlayer(id) {
    const player = this._playersById.get(id);
    if (!player) {
      throw missingPlayer(id);
    }
    return player;
  }
  listen(id, element, eventName, callback) {
    const baseEvent = makeAnimationEvent(element, '', '', '');
    listenOnPlayer(this._getPlayer(id), eventName, baseEvent, callback);
    return () => {};
  }
  command(id, element, command, args) {
    if (command == 'register') {
      this.register(id, args[0]);
      return;
    }
    if (command == 'create') {
      const options = args[0] || {};
      this.create(id, element, options);
      return;
    }
    const player = this._getPlayer(id);
    switch (command) {
      case 'play':
        player.play();
        break;
      case 'pause':
        player.pause();
        break;
      case 'reset':
        player.reset();
        break;
      case 'restart':
        player.restart();
        break;
      case 'finish':
        player.finish();
        break;
      case 'init':
        player.init();
        break;
      case 'setPosition':
        player.setPosition(parseFloat(args[0]));
        break;
      case 'destroy':
        this.destroy(id);
        break;
    }
  }
}

const QUEUED_CLASSNAME = 'ng-animate-queued';
const QUEUED_SELECTOR = '.ng-animate-queued';
const DISABLED_CLASSNAME = 'ng-animate-disabled';
const DISABLED_SELECTOR = '.ng-animate-disabled';
const STAR_CLASSNAME = 'ng-star-inserted';
const STAR_SELECTOR = '.ng-star-inserted';
const EMPTY_PLAYER_ARRAY = [];
const NULL_REMOVAL_STATE = {
  namespaceId: '',
  setForRemoval: false,
  setForMove: false,
  hasAnimation: false,
  removedBeforeQueried: false
};
const NULL_REMOVED_QUERIED_STATE = {
  namespaceId: '',
  setForMove: false,
  setForRemoval: false,
  hasAnimation: false,
  removedBeforeQueried: true
};
const REMOVAL_FLAG = '__ng_removed';
class StateValue {
  namespaceId;
  value;
  options;
  get params() {
    return this.options.params;
  }
  constructor(input, namespaceId = '') {
    this.namespaceId = namespaceId;
    const isObj = input && input.hasOwnProperty('value');
    const value = isObj ? input['value'] : input;
    this.value = normalizeTriggerValue(value);
    if (isObj) {
      const {
        value,
        ...options
      } = input;
      this.options = options;
    } else {
      this.options = {};
    }
    if (!this.options.params) {
      this.options.params = {};
    }
  }
  absorbOptions(options) {
    const newParams = options.params;
    if (newParams) {
      const oldParams = this.options.params;
      Object.keys(newParams).forEach(prop => {
        if (oldParams[prop] == null) {
          oldParams[prop] = newParams[prop];
        }
      });
    }
  }
}
const VOID_VALUE = 'void';
const DEFAULT_STATE_VALUE = /* @__PURE__ */new StateValue(VOID_VALUE);
class AnimationTransitionNamespace {
  id;
  hostElement;
  _engine;
  players = [];
  _triggers = new Map();
  _queue = [];
  _elementListeners = new Map();
  _hostClassName;
  constructor(id, hostElement, _engine) {
    this.id = id;
    this.hostElement = hostElement;
    this._engine = _engine;
    this._hostClassName = 'ng-tns-' + id;
    addClass(hostElement, this._hostClassName);
  }
  listen(element, name, phase, callback) {
    if (!this._triggers.has(name)) {
      throw missingTrigger(phase, name);
    }
    if (phase == null || phase.length == 0) {
      throw missingEvent(name);
    }
    if (!isTriggerEventValid(phase)) {
      throw unsupportedTriggerEvent(phase, name);
    }
    const listeners = getOrSetDefaultValue(this._elementListeners, element, []);
    const data = {
      name,
      phase,
      callback
    };
    listeners.push(data);
    const triggersWithStates = getOrSetDefaultValue(this._engine.statesByElement, element, new Map());
    if (!triggersWithStates.has(name)) {
      addClass(element, NG_TRIGGER_CLASSNAME);
      addClass(element, NG_TRIGGER_CLASSNAME + '-' + name);
      triggersWithStates.set(name, DEFAULT_STATE_VALUE);
    }
    return () => {
      this._engine.afterFlush(() => {
        const index = listeners.indexOf(data);
        if (index >= 0) {
          listeners.splice(index, 1);
        }
        if (!this._triggers.has(name)) {
          triggersWithStates.delete(name);
        }
      });
    };
  }
  register(name, ast) {
    if (this._triggers.has(name)) {
      return false;
    } else {
      this._triggers.set(name, ast);
      return true;
    }
  }
  _getTrigger(name) {
    const trigger = this._triggers.get(name);
    if (!trigger) {
      throw unregisteredTrigger(name);
    }
    return trigger;
  }
  trigger(element, triggerName, value, defaultToFallback = true) {
    const trigger = this._getTrigger(triggerName);
    const player = new TransitionAnimationPlayer(this.id, triggerName, element);
    let triggersWithStates = this._engine.statesByElement.get(element);
    if (!triggersWithStates) {
      addClass(element, NG_TRIGGER_CLASSNAME);
      addClass(element, NG_TRIGGER_CLASSNAME + '-' + triggerName);
      this._engine.statesByElement.set(element, triggersWithStates = new Map());
    }
    let fromState = triggersWithStates.get(triggerName);
    const toState = new StateValue(value, this.id);
    const isObj = value && value.hasOwnProperty('value');
    if (!isObj && fromState) {
      toState.absorbOptions(fromState.options);
    }
    triggersWithStates.set(triggerName, toState);
    if (!fromState) {
      fromState = DEFAULT_STATE_VALUE;
    }
    const isRemoval = toState.value === VOID_VALUE;
    if (!isRemoval && fromState.value === toState.value) {
      if (!objEquals(fromState.params, toState.params)) {
        const errors = [];
        const fromStyles = trigger.matchStyles(fromState.value, fromState.params, errors);
        const toStyles = trigger.matchStyles(toState.value, toState.params, errors);
        if (errors.length) {
          this._engine.reportError(errors);
        } else {
          this._engine.afterFlush(() => {
            eraseStyles(element, fromStyles);
            setStyles(element, toStyles);
          });
        }
      }
      return;
    }
    const playersOnElement = getOrSetDefaultValue(this._engine.playersByElement, element, []);
    playersOnElement.forEach(player => {
      if (player.namespaceId == this.id && player.triggerName == triggerName && player.queued) {
        player.destroy();
      }
    });
    let transition = trigger.matchTransition(fromState.value, toState.value, element, toState.params);
    let isFallbackTransition = false;
    if (!transition) {
      if (!defaultToFallback) return;
      transition = trigger.fallbackTransition;
      isFallbackTransition = true;
    }
    this._engine.totalQueuedPlayers++;
    this._queue.push({
      element,
      triggerName,
      transition,
      fromState,
      toState,
      player,
      isFallbackTransition
    });
    if (!isFallbackTransition) {
      addClass(element, QUEUED_CLASSNAME);
      player.onStart(() => {
        removeClass(element, QUEUED_CLASSNAME);
      });
    }
    player.onDone(() => {
      let index = this.players.indexOf(player);
      if (index >= 0) {
        this.players.splice(index, 1);
      }
      const players = this._engine.playersByElement.get(element);
      if (players) {
        let index = players.indexOf(player);
        if (index >= 0) {
          players.splice(index, 1);
        }
      }
    });
    this.players.push(player);
    playersOnElement.push(player);
    return player;
  }
  deregister(name) {
    this._triggers.delete(name);
    this._engine.statesByElement.forEach(stateMap => stateMap.delete(name));
    this._elementListeners.forEach((listeners, element) => {
      this._elementListeners.set(element, listeners.filter(entry => {
        return entry.name != name;
      }));
    });
  }
  clearElementCache(element) {
    this._engine.statesByElement.delete(element);
    this._elementListeners.delete(element);
    const elementPlayers = this._engine.playersByElement.get(element);
    if (elementPlayers) {
      elementPlayers.forEach(player => player.destroy());
      this._engine.playersByElement.delete(element);
    }
  }
  _signalRemovalForInnerTriggers(rootElement, context) {
    const elements = this._engine.driver.query(rootElement, NG_TRIGGER_SELECTOR, true);
    elements.forEach(elm => {
      if (elm[REMOVAL_FLAG]) return;
      const namespaces = this._engine.fetchNamespacesByElement(elm);
      if (namespaces.size) {
        namespaces.forEach(ns => ns.triggerLeaveAnimation(elm, context, false, true));
      } else {
        this.clearElementCache(elm);
      }
    });
    this._engine.afterFlushAnimationsDone(() => elements.forEach(elm => this.clearElementCache(elm)));
  }
  triggerLeaveAnimation(element, context, destroyAfterComplete, defaultToFallback) {
    const triggerStates = this._engine.statesByElement.get(element);
    const previousTriggersValues = new Map();
    if (triggerStates) {
      const players = [];
      triggerStates.forEach((state, triggerName) => {
        previousTriggersValues.set(triggerName, state.value);
        if (this._triggers.has(triggerName)) {
          const player = this.trigger(element, triggerName, VOID_VALUE, defaultToFallback);
          if (player) {
            players.push(player);
          }
        }
      });
      if (players.length) {
        this._engine.markElementAsRemoved(this.id, element, true, context, previousTriggersValues);
        if (destroyAfterComplete) {
          optimizeGroupPlayer(players).onDone(() => this._engine.processLeaveNode(element));
        }
        return true;
      }
    }
    return false;
  }
  prepareLeaveAnimationListeners(element) {
    const listeners = this._elementListeners.get(element);
    const elementStates = this._engine.statesByElement.get(element);
    if (listeners && elementStates) {
      const visitedTriggers = new Set();
      listeners.forEach(listener => {
        const triggerName = listener.name;
        if (visitedTriggers.has(triggerName)) return;
        visitedTriggers.add(triggerName);
        const trigger = this._triggers.get(triggerName);
        const transition = trigger.fallbackTransition;
        const fromState = elementStates.get(triggerName) || DEFAULT_STATE_VALUE;
        const toState = new StateValue(VOID_VALUE);
        const player = new TransitionAnimationPlayer(this.id, triggerName, element);
        this._engine.totalQueuedPlayers++;
        this._queue.push({
          element,
          triggerName,
          transition,
          fromState,
          toState,
          player,
          isFallbackTransition: true
        });
      });
    }
  }
  removeNode(element, context) {
    const engine = this._engine;
    if (element.childElementCount) {
      this._signalRemovalForInnerTriggers(element, context);
    }
    if (this.triggerLeaveAnimation(element, context, true)) return;
    let containsPotentialParentTransition = false;
    if (engine.totalAnimations) {
      const currentPlayers = engine.players.length ? engine.playersByQueriedElement.get(element) : [];
      if (currentPlayers && currentPlayers.length) {
        containsPotentialParentTransition = true;
      } else {
        let parent = element;
        while (parent = parent.parentNode) {
          const triggers = engine.statesByElement.get(parent);
          if (triggers) {
            containsPotentialParentTransition = true;
            break;
          }
        }
      }
    }
    this.prepareLeaveAnimationListeners(element);
    if (containsPotentialParentTransition) {
      engine.markElementAsRemoved(this.id, element, false, context);
    } else {
      const removalFlag = element[REMOVAL_FLAG];
      if (!removalFlag || removalFlag === NULL_REMOVAL_STATE) {
        engine.afterFlush(() => this.clearElementCache(element));
        engine.destroyInnerAnimations(element);
        engine._onRemovalComplete(element, context);
      }
    }
  }
  insertNode(element, parent) {
    addClass(element, this._hostClassName);
  }
  drainQueuedTransitions(microtaskId) {
    const instructions = [];
    this._queue.forEach(entry => {
      const player = entry.player;
      if (player.destroyed) return;
      const element = entry.element;
      const listeners = this._elementListeners.get(element);
      if (listeners) {
        listeners.forEach(listener => {
          if (listener.name == entry.triggerName) {
            const baseEvent = makeAnimationEvent(element, entry.triggerName, entry.fromState.value, entry.toState.value);
            baseEvent['_data'] = microtaskId;
            listenOnPlayer(entry.player, listener.phase, baseEvent, listener.callback);
          }
        });
      }
      if (player.markedForDestroy) {
        this._engine.afterFlush(() => {
          player.destroy();
        });
      } else {
        instructions.push(entry);
      }
    });
    this._queue = [];
    return instructions.sort((a, b) => {
      const d0 = a.transition.ast.depCount;
      const d1 = b.transition.ast.depCount;
      if (d0 == 0 || d1 == 0) {
        return d0 - d1;
      }
      return this._engine.driver.containsElement(a.element, b.element) ? 1 : -1;
    });
  }
  destroy(context) {
    this.players.forEach(p => p.destroy());
    this._signalRemovalForInnerTriggers(this.hostElement, context);
  }
}
class TransitionAnimationEngine {
  bodyNode;
  driver;
  _normalizer;
  players = [];
  newHostElements = new Map();
  playersByElement = new Map();
  playersByQueriedElement = new Map();
  statesByElement = new Map();
  disabledNodes = new Set();
  totalAnimations = 0;
  totalQueuedPlayers = 0;
  _namespaceLookup = {};
  _namespaceList = [];
  _flushFns = [];
  _whenQuietFns = [];
  namespacesByHostElement = new Map();
  collectedEnterElements = [];
  collectedLeaveElements = [];
  onRemovalComplete = (element, context) => {};
  _onRemovalComplete(element, context) {
    this.onRemovalComplete(element, context);
  }
  constructor(bodyNode, driver, _normalizer) {
    this.bodyNode = bodyNode;
    this.driver = driver;
    this._normalizer = _normalizer;
  }
  get queuedPlayers() {
    const players = [];
    this._namespaceList.forEach(ns => {
      ns.players.forEach(player => {
        if (player.queued) {
          players.push(player);
        }
      });
    });
    return players;
  }
  createNamespace(namespaceId, hostElement) {
    const ns = new AnimationTransitionNamespace(namespaceId, hostElement, this);
    if (this.bodyNode && this.driver.containsElement(this.bodyNode, hostElement)) {
      this._balanceNamespaceList(ns, hostElement);
    } else {
      this.newHostElements.set(hostElement, ns);
      this.collectEnterElement(hostElement);
    }
    return this._namespaceLookup[namespaceId] = ns;
  }
  _balanceNamespaceList(ns, hostElement) {
    const namespaceList = this._namespaceList;
    const namespacesByHostElement = this.namespacesByHostElement;
    const limit = namespaceList.length - 1;
    if (limit >= 0) {
      let found = false;
      let ancestor = this.driver.getParentElement(hostElement);
      while (ancestor) {
        const ancestorNs = namespacesByHostElement.get(ancestor);
        if (ancestorNs) {
          const index = namespaceList.indexOf(ancestorNs);
          namespaceList.splice(index + 1, 0, ns);
          found = true;
          break;
        }
        ancestor = this.driver.getParentElement(ancestor);
      }
      if (!found) {
        namespaceList.unshift(ns);
      }
    } else {
      namespaceList.push(ns);
    }
    namespacesByHostElement.set(hostElement, ns);
    return ns;
  }
  register(namespaceId, hostElement) {
    let ns = this._namespaceLookup[namespaceId];
    if (!ns) {
      ns = this.createNamespace(namespaceId, hostElement);
    }
    return ns;
  }
  registerTrigger(namespaceId, name, trigger) {
    let ns = this._namespaceLookup[namespaceId];
    if (ns && ns.register(name, trigger)) {
      this.totalAnimations++;
    }
  }
  destroy(namespaceId, context) {
    if (!namespaceId) return;
    this.afterFlush(() => {});
    this.afterFlushAnimationsDone(() => {
      const ns = this._fetchNamespace(namespaceId);
      this.namespacesByHostElement.delete(ns.hostElement);
      const index = this._namespaceList.indexOf(ns);
      if (index >= 0) {
        this._namespaceList.splice(index, 1);
      }
      ns.destroy(context);
      delete this._namespaceLookup[namespaceId];
    });
  }
  _fetchNamespace(id) {
    return this._namespaceLookup[id];
  }
  fetchNamespacesByElement(element) {
    const namespaces = new Set();
    const elementStates = this.statesByElement.get(element);
    if (elementStates) {
      for (let stateValue of elementStates.values()) {
        if (stateValue.namespaceId) {
          const ns = this._fetchNamespace(stateValue.namespaceId);
          if (ns) {
            namespaces.add(ns);
          }
        }
      }
    }
    return namespaces;
  }
  trigger(namespaceId, element, name, value) {
    if (isElementNode(element)) {
      const ns = this._fetchNamespace(namespaceId);
      if (ns) {
        ns.trigger(element, name, value);
        return true;
      }
    }
    return false;
  }
  insertNode(namespaceId, element, parent, insertBefore) {
    if (!isElementNode(element)) return;
    const details = element[REMOVAL_FLAG];
    if (details && details.setForRemoval) {
      details.setForRemoval = false;
      details.setForMove = true;
      const index = this.collectedLeaveElements.indexOf(element);
      if (index >= 0) {
        this.collectedLeaveElements.splice(index, 1);
      }
    }
    if (namespaceId) {
      const ns = this._fetchNamespace(namespaceId);
      if (ns) {
        ns.insertNode(element, parent);
      }
    }
    if (insertBefore) {
      this.collectEnterElement(element);
    }
  }
  collectEnterElement(element) {
    this.collectedEnterElements.push(element);
  }
  markElementAsDisabled(element, value) {
    if (value) {
      if (!this.disabledNodes.has(element)) {
        this.disabledNodes.add(element);
        addClass(element, DISABLED_CLASSNAME);
      }
    } else if (this.disabledNodes.has(element)) {
      this.disabledNodes.delete(element);
      removeClass(element, DISABLED_CLASSNAME);
    }
  }
  removeNode(namespaceId, element, context) {
    if (isElementNode(element)) {
      const ns = namespaceId ? this._fetchNamespace(namespaceId) : null;
      if (ns) {
        ns.removeNode(element, context);
      } else {
        this.markElementAsRemoved(namespaceId, element, false, context);
      }
      const hostNS = this.namespacesByHostElement.get(element);
      if (hostNS && hostNS.id !== namespaceId) {
        hostNS.removeNode(element, context);
      }
    } else {
      this._onRemovalComplete(element, context);
    }
  }
  markElementAsRemoved(namespaceId, element, hasAnimation, context, previousTriggersValues) {
    this.collectedLeaveElements.push(element);
    element[REMOVAL_FLAG] = {
      namespaceId,
      setForRemoval: context,
      hasAnimation,
      removedBeforeQueried: false,
      previousTriggersValues
    };
  }
  listen(namespaceId, element, name, phase, callback) {
    if (isElementNode(element)) {
      return this._fetchNamespace(namespaceId).listen(element, name, phase, callback);
    }
    return () => {};
  }
  _buildInstruction(entry, subTimelines, enterClassName, leaveClassName, skipBuildAst) {
    return entry.transition.build(this.driver, entry.element, entry.fromState.value, entry.toState.value, enterClassName, leaveClassName, entry.fromState.options, entry.toState.options, subTimelines, skipBuildAst);
  }
  destroyInnerAnimations(containerElement) {
    let elements = this.driver.query(containerElement, NG_TRIGGER_SELECTOR, true);
    elements.forEach(element => this.destroyActiveAnimationsForElement(element));
    if (this.playersByQueriedElement.size == 0) return;
    elements = this.driver.query(containerElement, NG_ANIMATING_SELECTOR, true);
    elements.forEach(element => this.finishActiveQueriedAnimationOnElement(element));
  }
  destroyActiveAnimationsForElement(element) {
    const players = this.playersByElement.get(element);
    if (players) {
      players.forEach(player => {
        if (player.queued) {
          player.markedForDestroy = true;
        } else {
          player.destroy();
        }
      });
    }
  }
  finishActiveQueriedAnimationOnElement(element) {
    const players = this.playersByQueriedElement.get(element);
    if (players) {
      players.forEach(player => player.finish());
    }
  }
  whenRenderingDone() {
    return new Promise(resolve => {
      if (this.players.length) {
        return optimizeGroupPlayer(this.players).onDone(() => resolve());
      } else {
        resolve();
      }
    });
  }
  processLeaveNode(element) {
    const details = element[REMOVAL_FLAG];
    if (details && details.setForRemoval) {
      element[REMOVAL_FLAG] = NULL_REMOVAL_STATE;
      if (details.namespaceId) {
        this.destroyInnerAnimations(element);
        const ns = this._fetchNamespace(details.namespaceId);
        if (ns) {
          ns.clearElementCache(element);
        }
      }
      this._onRemovalComplete(element, details.setForRemoval);
    }
    if (element.classList?.contains(DISABLED_CLASSNAME)) {
      this.markElementAsDisabled(element, false);
    }
    this.driver.query(element, DISABLED_SELECTOR, true).forEach(node => {
      this.markElementAsDisabled(node, false);
    });
  }
  flush(microtaskId = -1) {
    let players = [];
    if (this.newHostElements.size) {
      this.newHostElements.forEach((ns, element) => this._balanceNamespaceList(ns, element));
      this.newHostElements.clear();
    }
    if (this.totalAnimations && this.collectedEnterElements.length) {
      for (let i = 0; i < this.collectedEnterElements.length; i++) {
        const elm = this.collectedEnterElements[i];
        addClass(elm, STAR_CLASSNAME);
      }
    }
    if (this._namespaceList.length && (this.totalQueuedPlayers || this.collectedLeaveElements.length)) {
      const cleanupFns = [];
      try {
        players = this._flushAnimations(cleanupFns, microtaskId);
      } finally {
        for (let i = 0; i < cleanupFns.length; i++) {
          cleanupFns[i]();
        }
      }
    } else {
      for (let i = 0; i < this.collectedLeaveElements.length; i++) {
        const element = this.collectedLeaveElements[i];
        this.processLeaveNode(element);
      }
    }
    this.totalQueuedPlayers = 0;
    this.collectedEnterElements.length = 0;
    this.collectedLeaveElements.length = 0;
    this._flushFns.forEach(fn => fn());
    this._flushFns = [];
    if (this._whenQuietFns.length) {
      const quietFns = this._whenQuietFns;
      this._whenQuietFns = [];
      if (players.length) {
        optimizeGroupPlayer(players).onDone(() => {
          quietFns.forEach(fn => fn());
        });
      } else {
        quietFns.forEach(fn => fn());
      }
    }
  }
  reportError(errors) {
    throw triggerTransitionsFailed(errors);
  }
  _flushAnimations(cleanupFns, microtaskId) {
    const subTimelines = new ElementInstructionMap();
    const skippedPlayers = [];
    const skippedPlayersMap = new Map();
    const queuedInstructions = [];
    const queriedElements = new Map();
    const allPreStyleElements = new Map();
    const allPostStyleElements = new Map();
    const disabledElementsSet = new Set();
    this.disabledNodes.forEach(node => {
      disabledElementsSet.add(node);
      const nodesThatAreDisabled = this.driver.query(node, QUEUED_SELECTOR, true);
      for (let i = 0; i < nodesThatAreDisabled.length; i++) {
        disabledElementsSet.add(nodesThatAreDisabled[i]);
      }
    });
    const bodyNode = this.bodyNode;
    const allTriggerElements = Array.from(this.statesByElement.keys());
    const enterNodeMap = buildRootMap(allTriggerElements, this.collectedEnterElements);
    const enterNodeMapIds = new Map();
    let i = 0;
    enterNodeMap.forEach((nodes, root) => {
      const className = ENTER_CLASSNAME + i++;
      enterNodeMapIds.set(root, className);
      nodes.forEach(node => addClass(node, className));
    });
    const allLeaveNodes = [];
    const mergedLeaveNodes = new Set();
    const leaveNodesWithoutAnimations = new Set();
    for (let i = 0; i < this.collectedLeaveElements.length; i++) {
      const element = this.collectedLeaveElements[i];
      const details = element[REMOVAL_FLAG];
      if (details && details.setForRemoval) {
        allLeaveNodes.push(element);
        mergedLeaveNodes.add(element);
        if (details.hasAnimation) {
          this.driver.query(element, STAR_SELECTOR, true).forEach(elm => mergedLeaveNodes.add(elm));
        } else {
          leaveNodesWithoutAnimations.add(element);
        }
      }
    }
    const leaveNodeMapIds = new Map();
    const leaveNodeMap = buildRootMap(allTriggerElements, Array.from(mergedLeaveNodes));
    leaveNodeMap.forEach((nodes, root) => {
      const className = LEAVE_CLASSNAME + i++;
      leaveNodeMapIds.set(root, className);
      nodes.forEach(node => addClass(node, className));
    });
    cleanupFns.push(() => {
      enterNodeMap.forEach((nodes, root) => {
        const className = enterNodeMapIds.get(root);
        nodes.forEach(node => removeClass(node, className));
      });
      leaveNodeMap.forEach((nodes, root) => {
        const className = leaveNodeMapIds.get(root);
        nodes.forEach(node => removeClass(node, className));
      });
      allLeaveNodes.forEach(element => {
        this.processLeaveNode(element);
      });
    });
    const allPlayers = [];
    const erroneousTransitions = [];
    for (let i = this._namespaceList.length - 1; i >= 0; i--) {
      const ns = this._namespaceList[i];
      ns.drainQueuedTransitions(microtaskId).forEach(entry => {
        const player = entry.player;
        const element = entry.element;
        allPlayers.push(player);
        if (this.collectedEnterElements.length) {
          const details = element[REMOVAL_FLAG];
          if (details && details.setForMove) {
            if (details.previousTriggersValues && details.previousTriggersValues.has(entry.triggerName)) {
              const previousValue = details.previousTriggersValues.get(entry.triggerName);
              const triggersWithStates = this.statesByElement.get(entry.element);
              if (triggersWithStates && triggersWithStates.has(entry.triggerName)) {
                const state = triggersWithStates.get(entry.triggerName);
                state.value = previousValue;
                triggersWithStates.set(entry.triggerName, state);
              }
            }
            player.destroy();
            return;
          }
        }
        const nodeIsOrphaned = !bodyNode || !this.driver.containsElement(bodyNode, element);
        const leaveClassName = leaveNodeMapIds.get(element);
        const enterClassName = enterNodeMapIds.get(element);
        const instruction = this._buildInstruction(entry, subTimelines, enterClassName, leaveClassName, nodeIsOrphaned);
        if (instruction.errors && instruction.errors.length) {
          erroneousTransitions.push(instruction);
          return;
        }
        if (nodeIsOrphaned) {
          player.onStart(() => eraseStyles(element, instruction.fromStyles));
          player.onDestroy(() => setStyles(element, instruction.toStyles));
          skippedPlayers.push(player);
          return;
        }
        if (entry.isFallbackTransition) {
          player.onStart(() => eraseStyles(element, instruction.fromStyles));
          player.onDestroy(() => setStyles(element, instruction.toStyles));
          skippedPlayers.push(player);
          return;
        }
        const timelines = [];
        instruction.timelines.forEach(tl => {
          tl.stretchStartingKeyframe = true;
          if (!this.disabledNodes.has(tl.element)) {
            timelines.push(tl);
          }
        });
        instruction.timelines = timelines;
        subTimelines.append(element, instruction.timelines);
        const tuple = {
          instruction,
          player,
          element
        };
        queuedInstructions.push(tuple);
        instruction.queriedElements.forEach(element => getOrSetDefaultValue(queriedElements, element, []).push(player));
        instruction.preStyleProps.forEach((stringMap, element) => {
          if (stringMap.size) {
            let setVal = allPreStyleElements.get(element);
            if (!setVal) {
              allPreStyleElements.set(element, setVal = new Set());
            }
            stringMap.forEach((_, prop) => setVal.add(prop));
          }
        });
        instruction.postStyleProps.forEach((stringMap, element) => {
          let setVal = allPostStyleElements.get(element);
          if (!setVal) {
            allPostStyleElements.set(element, setVal = new Set());
          }
          stringMap.forEach((_, prop) => setVal.add(prop));
        });
      });
    }
    if (erroneousTransitions.length) {
      const errors = [];
      erroneousTransitions.forEach(instruction => {
        errors.push(transitionFailed(instruction.triggerName, instruction.errors));
      });
      allPlayers.forEach(player => player.destroy());
      this.reportError(errors);
    }
    const allPreviousPlayersMap = new Map();
    const animationElementMap = new Map();
    queuedInstructions.forEach(entry => {
      const element = entry.element;
      if (subTimelines.has(element)) {
        animationElementMap.set(element, element);
        this._beforeAnimationBuild(entry.player.namespaceId, entry.instruction, allPreviousPlayersMap);
      }
    });
    skippedPlayers.forEach(player => {
      const element = player.element;
      const previousPlayers = this._getPreviousPlayers(element, false, player.namespaceId, player.triggerName, null);
      previousPlayers.forEach(prevPlayer => {
        getOrSetDefaultValue(allPreviousPlayersMap, element, []).push(prevPlayer);
        prevPlayer.destroy();
      });
    });
    const replaceNodes = allLeaveNodes.filter(node => {
      return replacePostStylesAsPre(node, allPreStyleElements, allPostStyleElements);
    });
    const postStylesMap = new Map();
    const allLeaveQueriedNodes = cloakAndComputeStyles(postStylesMap, this.driver, leaveNodesWithoutAnimations, allPostStyleElements, AUTO_STYLE);
    allLeaveQueriedNodes.forEach(node => {
      if (replacePostStylesAsPre(node, allPreStyleElements, allPostStyleElements)) {
        replaceNodes.push(node);
      }
    });
    const preStylesMap = new Map();
    enterNodeMap.forEach((nodes, root) => {
      cloakAndComputeStyles(preStylesMap, this.driver, new Set(nodes), allPreStyleElements, _PRE_STYLE);
    });
    replaceNodes.forEach(node => {
      const post = postStylesMap.get(node);
      const pre = preStylesMap.get(node);
      postStylesMap.set(node, new Map([...(post?.entries() ?? []), ...(pre?.entries() ?? [])]));
    });
    const rootPlayers = [];
    const subPlayers = [];
    const NO_PARENT_ANIMATION_ELEMENT_DETECTED = {};
    queuedInstructions.forEach(entry => {
      const {
        element,
        player,
        instruction
      } = entry;
      if (subTimelines.has(element)) {
        if (disabledElementsSet.has(element)) {
          player.onDestroy(() => setStyles(element, instruction.toStyles));
          player.disabled = true;
          player.overrideTotalTime(instruction.totalTime);
          skippedPlayers.push(player);
          return;
        }
        let parentWithAnimation = NO_PARENT_ANIMATION_ELEMENT_DETECTED;
        if (animationElementMap.size > 1) {
          let elm = element;
          const parentsToAdd = [];
          while (elm = elm.parentNode) {
            const detectedParent = animationElementMap.get(elm);
            if (detectedParent) {
              parentWithAnimation = detectedParent;
              break;
            }
            parentsToAdd.push(elm);
          }
          parentsToAdd.forEach(parent => animationElementMap.set(parent, parentWithAnimation));
        }
        const innerPlayer = this._buildAnimation(player.namespaceId, instruction, allPreviousPlayersMap, skippedPlayersMap, preStylesMap, postStylesMap);
        player.setRealPlayer(innerPlayer);
        if (parentWithAnimation === NO_PARENT_ANIMATION_ELEMENT_DETECTED) {
          rootPlayers.push(player);
        } else {
          const parentPlayers = this.playersByElement.get(parentWithAnimation);
          if (parentPlayers && parentPlayers.length) {
            player.parentPlayer = optimizeGroupPlayer(parentPlayers);
          }
          skippedPlayers.push(player);
        }
      } else {
        eraseStyles(element, instruction.fromStyles);
        player.onDestroy(() => setStyles(element, instruction.toStyles));
        subPlayers.push(player);
        if (disabledElementsSet.has(element)) {
          skippedPlayers.push(player);
        }
      }
    });
    subPlayers.forEach(player => {
      const playersForElement = skippedPlayersMap.get(player.element);
      if (playersForElement && playersForElement.length) {
        const innerPlayer = optimizeGroupPlayer(playersForElement);
        player.setRealPlayer(innerPlayer);
      }
    });
    skippedPlayers.forEach(player => {
      if (player.parentPlayer) {
        player.syncPlayerEvents(player.parentPlayer);
      } else {
        player.destroy();
      }
    });
    for (let i = 0; i < allLeaveNodes.length; i++) {
      const element = allLeaveNodes[i];
      const details = element[REMOVAL_FLAG];
      removeClass(element, LEAVE_CLASSNAME);
      if (details && details.hasAnimation) continue;
      let players = [];
      if (queriedElements.size) {
        let queriedPlayerResults = queriedElements.get(element);
        if (queriedPlayerResults && queriedPlayerResults.length) {
          players.push(...queriedPlayerResults);
        }
        let queriedInnerElements = this.driver.query(element, NG_ANIMATING_SELECTOR, true);
        for (let j = 0; j < queriedInnerElements.length; j++) {
          let queriedPlayers = queriedElements.get(queriedInnerElements[j]);
          if (queriedPlayers && queriedPlayers.length) {
            players.push(...queriedPlayers);
          }
        }
      }
      const activePlayers = players.filter(p => !p.destroyed);
      if (activePlayers.length) {
        removeNodesAfterAnimationDone(this, element, activePlayers);
      } else {
        this.processLeaveNode(element);
      }
    }
    allLeaveNodes.length = 0;
    rootPlayers.forEach(player => {
      this.players.push(player);
      player.onDone(() => {
        player.destroy();
        const index = this.players.indexOf(player);
        this.players.splice(index, 1);
      });
      player.play();
    });
    return rootPlayers;
  }
  afterFlush(callback) {
    this._flushFns.push(callback);
  }
  afterFlushAnimationsDone(callback) {
    this._whenQuietFns.push(callback);
  }
  _getPreviousPlayers(element, isQueriedElement, namespaceId, triggerName, toStateValue) {
    let players = [];
    if (isQueriedElement) {
      const queriedElementPlayers = this.playersByQueriedElement.get(element);
      if (queriedElementPlayers) {
        players = queriedElementPlayers;
      }
    } else {
      const elementPlayers = this.playersByElement.get(element);
      if (elementPlayers) {
        const isRemovalAnimation = !toStateValue || toStateValue == VOID_VALUE;
        elementPlayers.forEach(player => {
          if (player.queued) return;
          if (!isRemovalAnimation && player.triggerName != triggerName) return;
          players.push(player);
        });
      }
    }
    if (namespaceId || triggerName) {
      players = players.filter(player => {
        if (namespaceId && namespaceId != player.namespaceId) return false;
        if (triggerName && triggerName != player.triggerName) return false;
        return true;
      });
    }
    return players;
  }
  _beforeAnimationBuild(namespaceId, instruction, allPreviousPlayersMap) {
    const triggerName = instruction.triggerName;
    const rootElement = instruction.element;
    const targetNameSpaceId = instruction.isRemovalTransition ? undefined : namespaceId;
    const targetTriggerName = instruction.isRemovalTransition ? undefined : triggerName;
    for (const timelineInstruction of instruction.timelines) {
      const element = timelineInstruction.element;
      const isQueriedElement = element !== rootElement;
      const players = getOrSetDefaultValue(allPreviousPlayersMap, element, []);
      const previousPlayers = this._getPreviousPlayers(element, isQueriedElement, targetNameSpaceId, targetTriggerName, instruction.toState);
      previousPlayers.forEach(player => {
        const realPlayer = player.getRealPlayer();
        if (realPlayer.beforeDestroy) {
          realPlayer.beforeDestroy();
        }
        player.destroy();
        players.push(player);
      });
    }
    eraseStyles(rootElement, instruction.fromStyles);
  }
  _buildAnimation(namespaceId, instruction, allPreviousPlayersMap, skippedPlayersMap, preStylesMap, postStylesMap) {
    const triggerName = instruction.triggerName;
    const rootElement = instruction.element;
    const allQueriedPlayers = [];
    const allConsumedElements = new Set();
    const allSubElements = new Set();
    const allNewPlayers = instruction.timelines.map(timelineInstruction => {
      const element = timelineInstruction.element;
      allConsumedElements.add(element);
      const details = element[REMOVAL_FLAG];
      if (details && details.removedBeforeQueried) return new NoopAnimationPlayer(timelineInstruction.duration, timelineInstruction.delay);
      const isQueriedElement = element !== rootElement;
      const previousPlayers = flattenGroupPlayers((allPreviousPlayersMap.get(element) || EMPTY_PLAYER_ARRAY).map(p => p.getRealPlayer())).filter(p => {
        const pp = p;
        return pp.element ? pp.element === element : false;
      });
      const preStyles = preStylesMap.get(element);
      const postStyles = postStylesMap.get(element);
      const keyframes = normalizeKeyframes(this._normalizer, timelineInstruction.keyframes, preStyles, postStyles);
      const player = this._buildPlayer(timelineInstruction, keyframes, previousPlayers);
      if (timelineInstruction.subTimeline && skippedPlayersMap) {
        allSubElements.add(element);
      }
      if (isQueriedElement) {
        const wrappedPlayer = new TransitionAnimationPlayer(namespaceId, triggerName, element);
        wrappedPlayer.setRealPlayer(player);
        allQueriedPlayers.push(wrappedPlayer);
      }
      return player;
    });
    allQueriedPlayers.forEach(player => {
      getOrSetDefaultValue(this.playersByQueriedElement, player.element, []).push(player);
      player.onDone(() => deleteOrUnsetInMap(this.playersByQueriedElement, player.element, player));
    });
    allConsumedElements.forEach(element => addClass(element, NG_ANIMATING_CLASSNAME));
    const player = optimizeGroupPlayer(allNewPlayers);
    player.onDestroy(() => {
      allConsumedElements.forEach(element => removeClass(element, NG_ANIMATING_CLASSNAME));
      setStyles(rootElement, instruction.toStyles);
    });
    allSubElements.forEach(element => {
      getOrSetDefaultValue(skippedPlayersMap, element, []).push(player);
    });
    return player;
  }
  _buildPlayer(instruction, keyframes, previousPlayers) {
    if (keyframes.length > 0) {
      return this.driver.animate(instruction.element, keyframes, instruction.duration, instruction.delay, instruction.easing, previousPlayers);
    }
    return new NoopAnimationPlayer(instruction.duration, instruction.delay);
  }
}
class TransitionAnimationPlayer {
  namespaceId;
  triggerName;
  element;
  _player = new NoopAnimationPlayer();
  _containsRealPlayer = false;
  _queuedCallbacks = new Map();
  destroyed = false;
  parentPlayer = null;
  markedForDestroy = false;
  disabled = false;
  queued = true;
  totalTime = 0;
  constructor(namespaceId, triggerName, element) {
    this.namespaceId = namespaceId;
    this.triggerName = triggerName;
    this.element = element;
  }
  setRealPlayer(player) {
    if (this._containsRealPlayer) return;
    this._player = player;
    this._queuedCallbacks.forEach((callbacks, phase) => {
      callbacks.forEach(callback => listenOnPlayer(player, phase, undefined, callback));
    });
    this._queuedCallbacks.clear();
    this._containsRealPlayer = true;
    this.overrideTotalTime(player.totalTime);
    this.queued = false;
  }
  getRealPlayer() {
    return this._player;
  }
  overrideTotalTime(totalTime) {
    this.totalTime = totalTime;
  }
  syncPlayerEvents(player) {
    const p = this._player;
    if (p.triggerCallback) {
      player.onStart(() => p.triggerCallback('start'));
    }
    player.onDone(() => this.finish());
    player.onDestroy(() => this.destroy());
  }
  _queueEvent(name, callback) {
    getOrSetDefaultValue(this._queuedCallbacks, name, []).push(callback);
  }
  onDone(fn) {
    if (this.queued) {
      this._queueEvent('done', fn);
    }
    this._player.onDone(fn);
  }
  onStart(fn) {
    if (this.queued) {
      this._queueEvent('start', fn);
    }
    this._player.onStart(fn);
  }
  onDestroy(fn) {
    if (this.queued) {
      this._queueEvent('destroy', fn);
    }
    this._player.onDestroy(fn);
  }
  init() {
    this._player.init();
  }
  hasStarted() {
    return this.queued ? false : this._player.hasStarted();
  }
  play() {
    !this.queued && this._player.play();
  }
  pause() {
    !this.queued && this._player.pause();
  }
  restart() {
    !this.queued && this._player.restart();
  }
  finish() {
    this._player.finish();
  }
  destroy() {
    this.destroyed = true;
    this._player.destroy();
  }
  reset() {
    !this.queued && this._player.reset();
  }
  setPosition(p) {
    if (!this.queued) {
      this._player.setPosition(p);
    }
  }
  getPosition() {
    return this.queued ? 0 : this._player.getPosition();
  }
  triggerCallback(phaseName) {
    const p = this._player;
    if (p.triggerCallback) {
      p.triggerCallback(phaseName);
    }
  }
}
function deleteOrUnsetInMap(map, key, value) {
  let currentValues = map.get(key);
  if (currentValues) {
    if (currentValues.length) {
      const index = currentValues.indexOf(value);
      currentValues.splice(index, 1);
    }
    if (currentValues.length == 0) {
      map.delete(key);
    }
  }
  return currentValues;
}
function normalizeTriggerValue(value) {
  return value != null ? value : null;
}
function isElementNode(node) {
  return node && node['nodeType'] === 1;
}
function isTriggerEventValid(eventName) {
  return eventName == 'start' || eventName == 'done';
}
function cloakElement(element, value) {
  const oldValue = element.style.display;
  element.style.display = value != null ? value : 'none';
  return oldValue;
}
function cloakAndComputeStyles(valuesMap, driver, elements, elementPropsMap, defaultStyle) {
  const cloakVals = [];
  elements.forEach(element => cloakVals.push(cloakElement(element)));
  const failedElements = [];
  elementPropsMap.forEach((props, element) => {
    const styles = new Map();
    props.forEach(prop => {
      const value = driver.computeStyle(element, prop, defaultStyle);
      styles.set(prop, value);
      if (!value || value.length == 0) {
        element[REMOVAL_FLAG] = NULL_REMOVED_QUERIED_STATE;
        failedElements.push(element);
      }
    });
    valuesMap.set(element, styles);
  });
  let i = 0;
  elements.forEach(element => cloakElement(element, cloakVals[i++]));
  return failedElements;
}
function buildRootMap(roots, nodes) {
  const rootMap = new Map();
  roots.forEach(root => rootMap.set(root, []));
  if (nodes.length == 0) return rootMap;
  const NULL_NODE = 1;
  const nodeSet = new Set(nodes);
  const localRootMap = new Map();
  function getRoot(node) {
    if (!node) return NULL_NODE;
    let root = localRootMap.get(node);
    if (root) return root;
    const parent = node.parentNode;
    if (rootMap.has(parent)) {
      root = parent;
    } else if (nodeSet.has(parent)) {
      root = NULL_NODE;
    } else {
      root = getRoot(parent);
    }
    localRootMap.set(node, root);
    return root;
  }
  nodes.forEach(node => {
    const root = getRoot(node);
    if (root !== NULL_NODE) {
      rootMap.get(root).push(node);
    }
  });
  return rootMap;
}
function addClass(element, className) {
  element.classList?.add(className);
}
function removeClass(element, className) {
  element.classList?.remove(className);
}
function removeNodesAfterAnimationDone(engine, element, players) {
  optimizeGroupPlayer(players).onDone(() => engine.processLeaveNode(element));
}
function flattenGroupPlayers(players) {
  const finalPlayers = [];
  _flattenGroupPlayersRecur(players, finalPlayers);
  return finalPlayers;
}
function _flattenGroupPlayersRecur(players, finalPlayers) {
  for (let i = 0; i < players.length; i++) {
    const player = players[i];
    if (player instanceof AnimationGroupPlayer) {
      _flattenGroupPlayersRecur(player.players, finalPlayers);
    } else {
      finalPlayers.push(player);
    }
  }
}
function objEquals(a, b) {
  const k1 = Object.keys(a);
  const k2 = Object.keys(b);
  if (k1.length != k2.length) return false;
  for (let i = 0; i < k1.length; i++) {
    const prop = k1[i];
    if (!b.hasOwnProperty(prop) || a[prop] !== b[prop]) return false;
  }
  return true;
}
function replacePostStylesAsPre(element, allPreStyleElements, allPostStyleElements) {
  const postEntry = allPostStyleElements.get(element);
  if (!postEntry) return false;
  let preEntry = allPreStyleElements.get(element);
  if (preEntry) {
    postEntry.forEach(data => preEntry.add(data));
  } else {
    allPreStyleElements.set(element, postEntry);
  }
  allPostStyleElements.delete(element);
  return true;
}

class AnimationEngine {
  _driver;
  _normalizer;
  _transitionEngine;
  _timelineEngine;
  _triggerCache = {};
  onRemovalComplete = (element, context) => {};
  constructor(doc, _driver, _normalizer) {
    this._driver = _driver;
    this._normalizer = _normalizer;
    this._transitionEngine = new TransitionAnimationEngine(doc.body, _driver, _normalizer);
    this._timelineEngine = new TimelineAnimationEngine(doc.body, _driver, _normalizer);
    this._transitionEngine.onRemovalComplete = (element, context) => this.onRemovalComplete(element, context);
  }
  registerTrigger(componentId, namespaceId, hostElement, name, metadata) {
    const cacheKey = componentId + '-' + name;
    let trigger = this._triggerCache[cacheKey];
    if (!trigger) {
      const errors = [];
      const warnings = [];
      const ast = buildAnimationAst(this._driver, metadata, errors, warnings);
      if (errors.length) {
        throw triggerBuildFailed(name, errors);
      }
      if (typeof ngDevMode === 'undefined' || ngDevMode) {
        if (warnings.length) {
          warnTriggerBuild(name, warnings);
        }
      }
      trigger = buildTrigger(name, ast, this._normalizer);
      this._triggerCache[cacheKey] = trigger;
    }
    this._transitionEngine.registerTrigger(namespaceId, name, trigger);
  }
  register(namespaceId, hostElement) {
    this._transitionEngine.register(namespaceId, hostElement);
  }
  destroy(namespaceId, context) {
    this._transitionEngine.destroy(namespaceId, context);
  }
  onInsert(namespaceId, element, parent, insertBefore) {
    this._transitionEngine.insertNode(namespaceId, element, parent, insertBefore);
  }
  onRemove(namespaceId, element, context) {
    this._transitionEngine.removeNode(namespaceId, element, context);
  }
  disableAnimations(element, disable) {
    this._transitionEngine.markElementAsDisabled(element, disable);
  }
  process(namespaceId, element, property, value) {
    if (property.charAt(0) == '@') {
      const [id, action] = parseTimelineCommand(property);
      const args = value;
      this._timelineEngine.command(id, element, action, args);
    } else {
      this._transitionEngine.trigger(namespaceId, element, property, value);
    }
  }
  listen(namespaceId, element, eventName, eventPhase, callback) {
    if (eventName.charAt(0) == '@') {
      const [id, action] = parseTimelineCommand(eventName);
      return this._timelineEngine.listen(id, element, action, callback);
    }
    return this._transitionEngine.listen(namespaceId, element, eventName, eventPhase, callback);
  }
  flush(microtaskId = -1) {
    this._transitionEngine.flush(microtaskId);
  }
  get players() {
    return [...this._transitionEngine.players, ...this._timelineEngine.players];
  }
  whenRenderingDone() {
    return this._transitionEngine.whenRenderingDone();
  }
  afterFlushAnimationsDone(cb) {
    this._transitionEngine.afterFlushAnimationsDone(cb);
  }
}

function packageNonAnimatableStyles(element, styles) {
  let startStyles = null;
  let endStyles = null;
  if (Array.isArray(styles) && styles.length) {
    startStyles = filterNonAnimatableStyles(styles[0]);
    if (styles.length > 1) {
      endStyles = filterNonAnimatableStyles(styles[styles.length - 1]);
    }
  } else if (styles instanceof Map) {
    startStyles = filterNonAnimatableStyles(styles);
  }
  return startStyles || endStyles ? new SpecialCasedStyles(element, startStyles, endStyles) : null;
}
class SpecialCasedStyles {
  _element;
  _startStyles;
  _endStyles;
  static initialStylesByElement = /* @__PURE__ */new WeakMap();
  _state = 0;
  _initialStyles;
  constructor(_element, _startStyles, _endStyles) {
    this._element = _element;
    this._startStyles = _startStyles;
    this._endStyles = _endStyles;
    let initialStyles = SpecialCasedStyles.initialStylesByElement.get(_element);
    if (!initialStyles) {
      SpecialCasedStyles.initialStylesByElement.set(_element, initialStyles = new Map());
    }
    this._initialStyles = initialStyles;
  }
  start() {
    if (this._state < 1) {
      if (this._startStyles) {
        setStyles(this._element, this._startStyles, this._initialStyles);
      }
      this._state = 1;
    }
  }
  finish() {
    this.start();
    if (this._state < 2) {
      setStyles(this._element, this._initialStyles);
      if (this._endStyles) {
        setStyles(this._element, this._endStyles);
        this._endStyles = null;
      }
      this._state = 1;
    }
  }
  destroy() {
    this.finish();
    if (this._state < 3) {
      SpecialCasedStyles.initialStylesByElement.delete(this._element);
      if (this._startStyles) {
        eraseStyles(this._element, this._startStyles);
        this._endStyles = null;
      }
      if (this._endStyles) {
        eraseStyles(this._element, this._endStyles);
        this._endStyles = null;
      }
      setStyles(this._element, this._initialStyles);
      this._state = 3;
    }
  }
}
function filterNonAnimatableStyles(styles) {
  let result = null;
  styles.forEach((val, prop) => {
    if (isNonAnimatableStyle(prop)) {
      result = result || new Map();
      result.set(prop, val);
    }
  });
  return result;
}
function isNonAnimatableStyle(prop) {
  return prop === 'display' || prop === 'position';
}

class WebAnimationsPlayer {
  element;
  keyframes;
  options;
  _specialStyles;
  _onDoneFns = [];
  _onStartFns = [];
  _onDestroyFns = [];
  _duration;
  _delay;
  _initialized = false;
  _finished = false;
  _started = false;
  _destroyed = false;
  _finalKeyframe;
  _originalOnDoneFns = [];
  _originalOnStartFns = [];
  domPlayer = null;
  time = 0;
  parentPlayer = null;
  currentSnapshot = new Map();
  constructor(element, keyframes, options, _specialStyles) {
    this.element = element;
    this.keyframes = keyframes;
    this.options = options;
    this._specialStyles = _specialStyles;
    this._duration = options['duration'];
    this._delay = options['delay'] || 0;
    this.time = this._duration + this._delay;
  }
  _onFinish() {
    if (!this._finished) {
      this._finished = true;
      this._onDoneFns.forEach(fn => fn());
      this._onDoneFns = [];
    }
  }
  init() {
    if (!this._buildPlayer()) {
      return;
    }
    this._preparePlayerBeforeStart();
  }
  _buildPlayer() {
    if (this._initialized) return this.domPlayer;
    this._initialized = true;
    const keyframes = this.keyframes;
    const animation = this._triggerWebAnimation(this.element, keyframes, this.options);
    if (!animation) {
      this._onFinish();
      return null;
    }
    this.domPlayer = animation;
    this._finalKeyframe = keyframes.length ? keyframes[keyframes.length - 1] : new Map();
    const onFinish = () => this._onFinish();
    animation.addEventListener('finish', onFinish);
    this.onDestroy(() => {
      animation.removeEventListener('finish', onFinish);
    });
    return animation;
  }
  _preparePlayerBeforeStart() {
    if (this._delay) {
      this._resetDomPlayerState();
    } else {
      this.domPlayer?.pause();
    }
  }
  _convertKeyframesToObject(keyframes) {
    const kfs = [];
    keyframes.forEach(frame => {
      kfs.push(Object.fromEntries(frame));
    });
    return kfs;
  }
  _triggerWebAnimation(element, keyframes, options) {
    const keyframesObject = this._convertKeyframesToObject(keyframes);
    try {
      return element.animate(keyframesObject, options);
    } catch {
      return null;
    }
  }
  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);
  }
  play() {
    const player = this._buildPlayer();
    if (!player) {
      return;
    }
    if (!this.hasStarted()) {
      this._onStartFns.forEach(fn => fn());
      this._onStartFns = [];
      this._started = true;
      if (this._specialStyles) {
        this._specialStyles.start();
      }
    }
    player.play();
  }
  pause() {
    this.init();
    this.domPlayer?.pause();
  }
  finish() {
    this.init();
    if (!this.domPlayer) return;
    if (this._specialStyles) {
      this._specialStyles.finish();
    }
    this._onFinish();
    this.domPlayer.finish();
  }
  reset() {
    this._resetDomPlayerState();
    this._destroyed = false;
    this._finished = false;
    this._started = false;
    this._onStartFns = this._originalOnStartFns;
    this._onDoneFns = this._originalOnDoneFns;
  }
  _resetDomPlayerState() {
    this.domPlayer?.cancel();
  }
  restart() {
    this.reset();
    this.play();
  }
  hasStarted() {
    return this._started;
  }
  destroy() {
    if (!this._destroyed) {
      this._destroyed = true;
      this._resetDomPlayerState();
      this._onFinish();
      if (this._specialStyles) {
        this._specialStyles.destroy();
      }
      this._onDestroyFns.forEach(fn => fn());
      this._onDestroyFns = [];
    }
  }
  setPosition(p) {
    if (!this.domPlayer) {
      this.init();
    }
    if (this.domPlayer) {
      this.domPlayer.currentTime = p * this.time;
    }
  }
  getPosition() {
    if (!this.domPlayer) {
      return this._initialized ? 1 : 0;
    }
    return +(this.domPlayer.currentTime ?? 0) / this.time;
  }
  get totalTime() {
    return this._delay + this._duration;
  }
  beforeDestroy() {
    const styles = new Map();
    if (this.hasStarted()) {
      const finalKeyframe = this._finalKeyframe;
      finalKeyframe.forEach((val, prop) => {
        if (prop !== 'offset') {
          styles.set(prop, this._finished ? val : computeStyle(this.element, prop));
        }
      });
    }
    this.currentSnapshot = styles;
  }
  triggerCallback(phaseName) {
    const methods = phaseName === 'start' ? this._onStartFns : this._onDoneFns;
    methods.forEach(fn => fn());
    methods.length = 0;
  }
}

class WebAnimationsDriver {
  validateStyleProperty(prop) {
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      return validateStyleProperty(prop);
    }
    return true;
  }
  validateAnimatableStyleProperty(prop) {
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      const cssProp = camelCaseToDashCase(prop);
      return validateWebAnimatableStyleProperty(cssProp);
    }
    return true;
  }
  containsElement(elm1, elm2) {
    return containsElement(elm1, elm2);
  }
  getParentElement(element) {
    return getParentElement(element);
  }
  query(element, selector, multi) {
    return invokeQuery(element, selector, multi);
  }
  computeStyle(element, prop, defaultValue) {
    return computeStyle(element, prop);
  }
  animate(element, keyframes, duration, delay, easing, previousPlayers = []) {
    const fill = delay == 0 ? 'both' : 'forwards';
    const playerOptions = {
      duration,
      delay,
      fill
    };
    if (easing) {
      playerOptions['easing'] = easing;
    }
    const previousStyles = new Map();
    const previousWebAnimationPlayers = previousPlayers.filter(player => player instanceof WebAnimationsPlayer);
    if (allowPreviousPlayerStylesMerge(duration, delay)) {
      previousWebAnimationPlayers.forEach(player => {
        player.currentSnapshot.forEach((val, prop) => previousStyles.set(prop, val));
      });
    }
    let _keyframes = normalizeKeyframes$1(keyframes).map(styles => new Map(styles));
    _keyframes = balancePreviousStylesIntoKeyframes(element, _keyframes, previousStyles);
    const specialStyles = packageNonAnimatableStyles(element, _keyframes);
    return new WebAnimationsPlayer(element, _keyframes, playerOptions, specialStyles);
  }
}

function createEngine(type, doc) {
  if (type === 'noop') {
    return new AnimationEngine(doc, new NoopAnimationDriver(), new NoopAnimationStyleNormalizer());
  }
  return new AnimationEngine(doc, new WebAnimationsDriver(), new WebAnimationsStyleNormalizer());
}

class Animation {
  _driver;
  _animationAst;
  constructor(_driver, input) {
    this._driver = _driver;
    const errors = [];
    const warnings = [];
    const ast = buildAnimationAst(_driver, input, errors, warnings);
    if (errors.length) {
      throw validationFailed(errors);
    }
    if (typeof ngDevMode === 'undefined' || ngDevMode) {
      if (warnings.length) {
        warnValidation(warnings);
      }
    }
    this._animationAst = ast;
  }
  buildTimelines(element, startingStyles, destinationStyles, options, subInstructions) {
    const start = Array.isArray(startingStyles) ? normalizeStyles(startingStyles) : startingStyles;
    const dest = Array.isArray(destinationStyles) ? normalizeStyles(destinationStyles) : destinationStyles;
    const errors = [];
    subInstructions = subInstructions || new ElementInstructionMap();
    const result = buildAnimationTimelines(this._driver, element, this._animationAst, ENTER_CLASSNAME, LEAVE_CLASSNAME, start, dest, options, subInstructions, errors);
    if (errors.length) {
      throw buildingFailed(errors);
    }
    return result;
  }
}

const ANIMATION_PREFIX = '@';
const DISABLE_ANIMATIONS_FLAG = '@.disabled';
class BaseAnimationRenderer {
  namespaceId;
  delegate;
  engine;
  _onDestroy;
  ɵtype = 0;
  constructor(namespaceId, delegate, engine, _onDestroy) {
    this.namespaceId = namespaceId;
    this.delegate = delegate;
    this.engine = engine;
    this._onDestroy = _onDestroy;
  }
  get data() {
    return this.delegate.data;
  }
  destroyNode(node) {
    this.delegate.destroyNode?.(node);
  }
  destroy() {
    this.engine.destroy(this.namespaceId, this.delegate);
    this.engine.afterFlushAnimationsDone(() => {
      queueMicrotask(() => {
        this.delegate.destroy();
      });
    });
    this._onDestroy?.();
  }
  createElement(name, namespace) {
    return this.delegate.createElement(name, namespace);
  }
  createComment(value) {
    return this.delegate.createComment(value);
  }
  createText(value) {
    return this.delegate.createText(value);
  }
  appendChild(parent, newChild) {
    this.delegate.appendChild(parent, newChild);
    this.engine.onInsert(this.namespaceId, newChild, parent, false);
  }
  insertBefore(parent, newChild, refChild, isMove = true) {
    this.delegate.insertBefore(parent, newChild, refChild);
    this.engine.onInsert(this.namespaceId, newChild, parent, isMove);
  }
  removeChild(parent, oldChild, isHostElement, requireSynchronousElementRemoval) {
    if (requireSynchronousElementRemoval) {
      this.delegate.removeChild(parent, oldChild, isHostElement, requireSynchronousElementRemoval);
      return;
    }
    if (this.parentNode(oldChild)) {
      this.engine.onRemove(this.namespaceId, oldChild, this.delegate);
    }
  }
  selectRootElement(selectorOrNode, preserveContent) {
    return this.delegate.selectRootElement(selectorOrNode, preserveContent);
  }
  parentNode(node) {
    return this.delegate.parentNode(node);
  }
  nextSibling(node) {
    return this.delegate.nextSibling(node);
  }
  setAttribute(el, name, value, namespace) {
    this.delegate.setAttribute(el, name, value, namespace);
  }
  removeAttribute(el, name, namespace) {
    this.delegate.removeAttribute(el, name, namespace);
  }
  addClass(el, name) {
    this.delegate.addClass(el, name);
  }
  removeClass(el, name) {
    this.delegate.removeClass(el, name);
  }
  setStyle(el, style, value, flags) {
    this.delegate.setStyle(el, style, value, flags);
  }
  removeStyle(el, style, flags) {
    this.delegate.removeStyle(el, style, flags);
  }
  setProperty(el, name, value) {
    if (name.charAt(0) == ANIMATION_PREFIX && name == DISABLE_ANIMATIONS_FLAG) {
      this.disableAnimations(el, !!value);
    } else {
      this.delegate.setProperty(el, name, value);
    }
  }
  setValue(node, value) {
    this.delegate.setValue(node, value);
  }
  listen(target, eventName, callback, options) {
    return this.delegate.listen(target, eventName, callback, options);
  }
  disableAnimations(element, value) {
    this.engine.disableAnimations(element, value);
  }
}
class AnimationRenderer extends BaseAnimationRenderer {
  factory;
  constructor(factory, namespaceId, delegate, engine, onDestroy) {
    super(namespaceId, delegate, engine, onDestroy);
    this.factory = factory;
    this.namespaceId = namespaceId;
  }
  setProperty(el, name, value) {
    if (name.charAt(0) == ANIMATION_PREFIX) {
      if (name.charAt(1) == '.' && name == DISABLE_ANIMATIONS_FLAG) {
        value = value === undefined ? true : !!value;
        this.disableAnimations(el, value);
      } else {
        this.engine.process(this.namespaceId, el, name.slice(1), value);
      }
    } else {
      this.delegate.setProperty(el, name, value);
    }
  }
  listen(target, eventName, callback, options) {
    if (eventName.charAt(0) == ANIMATION_PREFIX) {
      const element = resolveElementFromTarget(target);
      let name = eventName.slice(1);
      let phase = '';
      if (name.charAt(0) != ANIMATION_PREFIX) {
        [name, phase] = parseTriggerCallbackName(name);
      }
      return this.engine.listen(this.namespaceId, element, name, phase, event => {
        const countId = event['_data'] || -1;
        this.factory.scheduleListenerCallback(countId, callback, event);
      });
    }
    return this.delegate.listen(target, eventName, callback, options);
  }
}
function resolveElementFromTarget(target) {
  switch (target) {
    case 'body':
      return document.body;
    case 'document':
      return document;
    case 'window':
      return window;
    default:
      return target;
  }
}
function parseTriggerCallbackName(triggerName) {
  const dotIndex = triggerName.indexOf('.');
  const trigger = triggerName.substring(0, dotIndex);
  const phase = triggerName.slice(dotIndex + 1);
  return [trigger, phase];
}

class AnimationRendererFactory {
  delegate;
  engine;
  _zone;
  _currentId = 0;
  _microtaskId = 1;
  _animationCallbacksBuffer = [];
  _rendererCache = new Map();
  _cdRecurDepth = 0;
  constructor(delegate, engine, _zone) {
    this.delegate = delegate;
    this.engine = engine;
    this._zone = _zone;
    engine.onRemovalComplete = (element, delegate) => {
      delegate?.removeChild(null, element);
    };
  }
  createRenderer(hostElement, type) {
    const EMPTY_NAMESPACE_ID = '';
    const delegate = this.delegate.createRenderer(hostElement, type);
    if (!hostElement || !type?.data?.['animation']) {
      const cache = this._rendererCache;
      let renderer = cache.get(delegate);
      if (!renderer) {
        const onRendererDestroy = () => cache.delete(delegate);
        renderer = new BaseAnimationRenderer(EMPTY_NAMESPACE_ID, delegate, this.engine, onRendererDestroy);
        cache.set(delegate, renderer);
      }
      return renderer;
    }
    const componentId = type.id;
    const namespaceId = type.id + '-' + this._currentId;
    this._currentId++;
    this.engine.register(namespaceId, hostElement);
    const registerTrigger = trigger => {
      if (Array.isArray(trigger)) {
        trigger.forEach(registerTrigger);
      } else {
        this.engine.registerTrigger(componentId, namespaceId, hostElement, trigger.name, trigger);
      }
    };
    const animationTriggers = type.data['animation'];
    animationTriggers.forEach(registerTrigger);
    return new AnimationRenderer(this, namespaceId, delegate, this.engine);
  }
  begin() {
    this._cdRecurDepth++;
    if (this.delegate.begin) {
      this.delegate.begin();
    }
  }
  _scheduleCountTask() {
    queueMicrotask(() => {
      this._microtaskId++;
    });
  }
  scheduleListenerCallback(count, fn, data) {
    if (count >= 0 && count < this._microtaskId) {
      this._zone.run(() => fn(data));
      return;
    }
    const animationCallbacksBuffer = this._animationCallbacksBuffer;
    if (animationCallbacksBuffer.length == 0) {
      queueMicrotask(() => {
        this._zone.run(() => {
          animationCallbacksBuffer.forEach(tuple => {
            const [fn, data] = tuple;
            fn(data);
          });
          this._animationCallbacksBuffer = [];
        });
      });
    }
    animationCallbacksBuffer.push([fn, data]);
  }
  end() {
    this._cdRecurDepth--;
    if (this._cdRecurDepth == 0) {
      this._zone.runOutsideAngular(() => {
        this._scheduleCountTask();
        this.engine.flush(this._microtaskId);
      });
    }
    if (this.delegate.end) {
      this.delegate.end();
    }
  }
  whenRenderingDone() {
    return this.engine.whenRenderingDone();
  }
  componentReplaced(componentId) {
    this.engine.flush();
    this.delegate.componentReplaced?.(componentId);
  }
}

export { AnimationDriver, NoopAnimationDriver, Animation as ɵAnimation, AnimationEngine as ɵAnimationEngine, AnimationRenderer as ɵAnimationRenderer, AnimationRendererFactory as ɵAnimationRendererFactory, AnimationStyleNormalizer as ɵAnimationStyleNormalizer, BaseAnimationRenderer as ɵBaseAnimationRenderer, ENTER_CLASSNAME as ɵENTER_CLASSNAME, LEAVE_CLASSNAME as ɵLEAVE_CLASSNAME, NoopAnimationStyleNormalizer as ɵNoopAnimationStyleNormalizer, TransitionAnimationPlayer as ɵTransitionAnimationPlayer, WebAnimationsDriver as ɵWebAnimationsDriver, WebAnimationsPlayer as ɵWebAnimationsPlayer, WebAnimationsStyleNormalizer as ɵWebAnimationsStyleNormalizer, allowPreviousPlayerStylesMerge as ɵallowPreviousPlayerStylesMerge, camelCaseToDashCase as ɵcamelCaseToDashCase, containsElement as ɵcontainsElement, createEngine as ɵcreateEngine, getParentElement as ɵgetParentElement, invokeQuery as ɵinvokeQuery, normalizeKeyframes$1 as ɵnormalizeKeyframes, validateStyleProperty as ɵvalidateStyleProperty, validateWebAnimatableStyleProperty as ɵvalidateWebAnimatableStyleProperty };
//# sourceMappingURL=browser.mjs.map
