static-injector/index.mjs

Angular 依赖注入独立版本;Angular dependency injection standalone version

// src/import/di/interface/provider.ts
function isEnvironmentProviders(value) {
  return value && !!value.ɵproviders;
}

// src/import/errors.ts
var RuntimeError = class extends Error {
  constructor(code, message) {
    super(formatRuntimeError(code, message));
    this.code = code;
  }
};
function formatRuntimeError(code, message) {
  const fullCode = `NG0${Math.abs(code)}`;
  const errorMessage = `${fullCode}${message ? ": " + message : ""}`;
  if (false) {
  }
  return errorMessage;
}

// src/import/render3/definition_factory.ts
function getFactoryDef(type, throwNotFound) {
  return () => new type();
}

// src/import/util/property.ts
function getClosureSafeProperty(objWithPropertyToExtract) {
  for (const key in objWithPropertyToExtract) {
    if (objWithPropertyToExtract[key] === getClosureSafeProperty) {
      return key;
    }
  }
  throw Error("Could not find renamed property on target object.");
}

// src/import/render3/fields.ts
var NG_FACTORY_DEF = getClosureSafeProperty({
  ɵfac: getClosureSafeProperty
});
var NG_ENV_ID = getClosureSafeProperty({
  __NG_ENV_ID__: getClosureSafeProperty
});

// src/import/util/empty.ts
var EMPTY_ARRAY = [];
if (false) {
}

// src/import/util/stringify.ts
function stringify(token) {
  if (typeof token === "string") {
    return token;
  }
  if (Array.isArray(token)) {
    return `[${token.map(stringify).join(", ")}]`;
  }
  if (token == null) {
    return "" + token;
  }
  const name = token.overriddenName || token.name;
  if (name) {
    return `${name}`;
  }
  const result = token.toString();
  if (result == null) {
    return "" + result;
  }
  const newLineIndex = result.indexOf("\n");
  return newLineIndex >= 0 ? result.slice(0, newLineIndex) : result;
}

// src/import/di/forward_ref.ts
var __forward_ref__ = getClosureSafeProperty({
  __forward_ref__: getClosureSafeProperty
});
function forwardRef(forwardRefFn) {
  forwardRefFn.__forward_ref__ = forwardRef;
  forwardRefFn.toString = function() {
    return stringify(this());
  };
  return forwardRefFn;
}
function resolveForwardRef(type) {
  return isForwardRef(type) ? type() : type;
}
function isForwardRef(fn) {
  return typeof fn === "function" && fn.hasOwnProperty(__forward_ref__) && fn.__forward_ref__ === forwardRef;
}

// src/import/di/interface/defs.ts
function ɵɵdefineInjectable(opts) {
  return {
    token: opts.token,
    providedIn: opts.providedIn || null,
    factory: opts.factory,
    value: void 0
  };
}
function ɵɵdefineInjector(options) {
  return { providers: options.providers || [], imports: options.imports || [] };
}
function getInjectableDef(type) {
  return getOwnDefinition(type, NG_PROV_DEF) || {
    token: type,
    factory: () => new type(),
    ...type.injectOptions
  };
}
function isInjectable(type) {
  return getInjectableDef(type) !== null;
}
function getOwnDefinition(type, field) {
  return type.hasOwnProperty(field) ? type[field] : null;
}
function getInheritedInjectableDef(type) {
  const def = type && (type[NG_PROV_DEF] || null);
  if (def) {
    return def;
  } else {
    return null;
  }
}
function getInjectorDef(type) {
  return type && (type.hasOwnProperty(NG_INJ_DEF) || false) ? type[NG_INJ_DEF] : null;
}
var NG_PROV_DEF = getClosureSafeProperty({
  ɵprov: getClosureSafeProperty
});
var NG_INJ_DEF = getClosureSafeProperty({
  ɵinj: getClosureSafeProperty
});

// src/import/di/injection_token.ts
var InjectionToken = class {
  /**
   * @param _desc   Description for the token,
   *                used only for debugging purposes,
   *                it should but does not need to be unique
   * @param options Options for the token's usage, as described above
   */
  constructor(_desc, options) {
    this._desc = _desc;
    this.ɵprov = void 0;
    if (typeof options === "number") {
    } else if (options !== void 0) {
      this.ɵprov = ɵɵdefineInjectable({
        token: this,
        providedIn: options.providedIn || "root",
        factory: options.factory
      });
    }
  }
  /** @internal */
  ngMetadataName = "InjectionToken";
  ɵprov;
  /**
   * @internal
   */
  get multi() {
    return this;
  }
  toString() {
    return `InjectionToken ${this._desc}`;
  }
};

// src/import/di/initializer_token.ts
var ENVIRONMENT_INITIALIZER = new InjectionToken("");

// src/import/render3/errors_di.ts
function throwProviderNotFoundError(token, injectorName) {
  const errorMessage = null;
  throw new RuntimeError(-201 /* PROVIDER_NOT_FOUND */, errorMessage);
}

// src/import/di/interface/injector.ts
var DecoratorFlags = /* @__PURE__ */ ((DecoratorFlags2) => {
  DecoratorFlags2[DecoratorFlags2["Inject"] = -1] = "Inject";
  return DecoratorFlags2;
})(DecoratorFlags || {});
var InjectFlags = /* @__PURE__ */ ((InjectFlags2) => {
  InjectFlags2[InjectFlags2["Default"] = 0] = "Default";
  InjectFlags2[InjectFlags2["Self"] = 2] = "Self";
  InjectFlags2[InjectFlags2["SkipSelf"] = 4] = "SkipSelf";
  InjectFlags2[InjectFlags2["Optional"] = 8] = "Optional";
  return InjectFlags2;
})(InjectFlags || {});
var InternalInjectFlags = /* @__PURE__ */ ((InternalInjectFlags2) => {
  InternalInjectFlags2[InternalInjectFlags2["Default"] = 0] = "Default";
  InternalInjectFlags2[InternalInjectFlags2["Self"] = 2] = "Self";
  InternalInjectFlags2[InternalInjectFlags2["SkipSelf"] = 4] = "SkipSelf";
  InternalInjectFlags2[InternalInjectFlags2["Optional"] = 8] = "Optional";
  return InternalInjectFlags2;
})(InternalInjectFlags || {});

// src/import/di/inject_switch.ts
var _injectImplementation;
function getInjectImplementation() {
  return _injectImplementation;
}
function setInjectImplementation(impl) {
  const previous = _injectImplementation;
  _injectImplementation = impl;
  return previous;
}
function injectRootLimpMode(token, notFoundValue, flags) {
  const injectableDef = getInjectableDef(token);
  if (injectableDef && injectableDef.providedIn == "root") {
    return injectableDef.value === void 0 ? injectableDef.value = injectableDef.factory() : injectableDef.value;
  }
  if (flags & 8 /* Optional */) return null;
  if (notFoundValue !== void 0) return notFoundValue;
  throwProviderNotFoundError(token, "Injector");
}

// src/import/di/injector_compatibility.ts
var _THROW_IF_NOT_FOUND = {};
var THROW_IF_NOT_FOUND = _THROW_IF_NOT_FOUND;
var DI_DECORATOR_FLAG = "__NG_DI_FLAG__";
var NG_TEMP_TOKEN_PATH = "ngTempTokenPath";
var NG_TOKEN_PATH = "ngTokenPath";
var NEW_LINE = /\n/gm;
var NO_NEW_LINE = "ɵ";
var SOURCE = "__source";
var _currentInjector = void 0;
function getCurrentInjector() {
  return _currentInjector;
}
function setCurrentInjector(injector) {
  const former = _currentInjector;
  _currentInjector = injector;
  return former;
}
function injectInjectorOnly(token, flags = 0 /* Default */) {
  if (_currentInjector === void 0) {
    throw new RuntimeError(-203 /* MISSING_INJECTION_CONTEXT */, null);
  } else if (_currentInjector === null) {
    return injectRootLimpMode(token, void 0, flags);
  } else {
    const value = _currentInjector.get(
      token,
      flags & 8 /* Optional */ ? null : void 0,
      flags
    );
    return value;
  }
}
function ɵɵinject(token, flags = 0 /* Default */) {
  return (getInjectImplementation() || injectInjectorOnly)(
    resolveForwardRef(token),
    flags
  );
}
function ɵɵinvalidFactoryDep(index) {
  throw new RuntimeError(202 /* INVALID_FACTORY_DEPENDENCY */, null);
}
function inject(token, flags = 0 /* Default */) {
  return ɵɵinject(token, convertToBitFlags(flags));
}
function convertToBitFlags(flags) {
  if (typeof flags === "undefined" || typeof flags === "number") {
    return flags;
  }
  return 0 /* Default */ | // comment to force a line break in the formatter
  (flags.optional && 8 /* Optional */) | 0 | (flags.self && 2 /* Self */) | (flags.skipSelf && 4 /* SkipSelf */);
}
function injectArgs(types) {
  const args = [];
  for (let i = 0; i < types.length; i++) {
    const arg = resolveForwardRef(types[i]);
    if (Array.isArray(arg)) {
      if (arg.length === 0) {
        throw new RuntimeError(900 /* INVALID_DIFFER_INPUT */, null);
      }
      let type = void 0;
      let flags = 0 /* Default */;
      for (let j = 0; j < arg.length; j++) {
        const meta = arg[j];
        const flag = getInjectFlag(meta);
        if (typeof flag === "number") {
          if (flag === -1 /* Inject */) {
            type = meta.token;
          } else {
            flags |= flag;
          }
        } else {
          type = meta;
        }
      }
      args.push(ɵɵinject(type, flags));
    } else {
      args.push(ɵɵinject(arg));
    }
  }
  return args;
}
function attachInjectFlag(decorator, flag) {
  decorator[DI_DECORATOR_FLAG] = flag;
  decorator.prototype[DI_DECORATOR_FLAG] = flag;
  return decorator;
}
function getInjectFlag(token) {
  return token[DI_DECORATOR_FLAG];
}
function catchInjectorError(e, token, injectorErrorName, source) {
  const tokenPath = e[NG_TEMP_TOKEN_PATH];
  if (token[SOURCE]) {
    tokenPath.unshift(token[SOURCE]);
  }
  e.message = formatError(
    "\n" + e.message,
    tokenPath,
    injectorErrorName,
    source
  );
  e[NG_TOKEN_PATH] = tokenPath;
  e[NG_TEMP_TOKEN_PATH] = null;
  throw e;
}
function formatError(text, obj, injectorErrorName, source = null) {
  text = text && text.charAt(0) === "\n" && text.charAt(1) == NO_NEW_LINE ? text.slice(2) : text;
  let context = stringify(obj);
  if (Array.isArray(obj)) {
    context = obj.map(stringify).join(" -> ");
  } else if (typeof obj === "object") {
    const parts = [];
    for (const key in obj) {
      if (obj.hasOwnProperty(key)) {
        const value = obj[key];
        parts.push(
          key + ":" + (typeof value === "string" ? JSON.stringify(value) : stringify(value))
        );
      }
    }
    context = `{${parts.join(", ")}}`;
  }
  return `${injectorErrorName}${source ? "(" + source + ")" : ""}[${context}]: ${text.replace(
    NEW_LINE,
    "\n  "
  )}`;
}

// src/import/di/injector_token.ts
var INJECTOR = new InjectionToken(
  "",
  // Disable tslint because this is const enum which gets inlined not top level prop access.
  // tslint:disable-next-line: no-toplevel-property-access
  -1 /* Injector */
  // Special value used by Ivy to identify `Injector`.
);

// src/import/di/internal_tokens.ts
var INJECTOR_DEF_TYPES = new InjectionToken("");

// src/import/di/null_injector.ts
var NullInjector = class {
  get(token, notFoundValue = THROW_IF_NOT_FOUND) {
    if (notFoundValue === THROW_IF_NOT_FOUND) {
      const error = new Error(
        `NullInjectorError: No provider for ${stringify(token)}!`
      );
      error.name = "NullInjectorError";
      throw error;
    }
    return notFoundValue;
  }
};

// src/import/di/provider_collection.ts
function importProvidersFrom(...sources) {
  return {
    ɵproviders: internalImportProvidersFrom(true, sources),
    ɵfromNgModule: true
  };
}
function internalImportProvidersFrom(checkForStandaloneCmp, ...sources) {
  const providersOut = [];
  const dedup = /* @__PURE__ */ new Set();
  let injectorTypesWithProviders;
  const collectProviders = (provider) => {
    providersOut.push(provider);
  };
  if (injectorTypesWithProviders !== void 0) {
    processInjectorTypesWithProviders(
      injectorTypesWithProviders,
      collectProviders
    );
  }
  return providersOut;
}
function processInjectorTypesWithProviders(typesWithProviders, visitor) {
  for (let i = 0; i < typesWithProviders.length; i++) {
    const { ngModule, providers } = typesWithProviders[i];
  }
}
var USE_VALUE = getClosureSafeProperty({
  provide: String,
  useValue: getClosureSafeProperty
});
function isValueProvider(value) {
  return value !== null && typeof value === "object" && USE_VALUE in value;
}
function isExistingProvider(value) {
  return !!(value && value.useExisting);
}
function isFactoryProvider(value) {
  return !!(value && value.useFactory);
}
function isTypeProvider(value) {
  return typeof value === "function";
}

// src/import/di/scope.ts
var INJECTOR_SCOPE = new InjectionToken("");

// src/import/di/r3_injector.ts
var NOT_YET = {};
var CIRCULAR = {};
var NULL_INJECTOR = void 0;
function getNullInjector() {
  if (NULL_INJECTOR === void 0) {
    NULL_INJECTOR = new NullInjector();
  }
  return NULL_INJECTOR;
}
var EnvironmentInjector = class {
};
var R3Injector = class extends EnvironmentInjector {
  constructor(providers, parent, source, scopes) {
    super();
    this.parent = parent;
    this.source = source;
    this.scopes = scopes;
    forEachSingleProvider(
      providers,
      (provider) => this.processProvider(provider)
    );
    this.records.set(INJECTOR, makeRecord(void 0, this));
    if (scopes.has("environment")) {
      this.records.set(EnvironmentInjector, makeRecord(void 0, this));
    }
    const record = this.records.get(
      INJECTOR_SCOPE
    );
    if (record != null && typeof record.value === "string") {
      this.scopes.add(record.value);
    }
    this.injectorDefTypes = new Set(
      this.get(INJECTOR_DEF_TYPES, EMPTY_ARRAY, 2 /* Self */)
    );
  }
  /**
   * Map of tokens to records which contain the instances of those tokens.
   * - `null` value implies that we don't have the record. Used by tree-shakable injectors
   * to prevent further searches.
   */
  records = /* @__PURE__ */ new Map();
  /**
   * Set of values instantiated by this injector which contain `ngOnDestroy` lifecycle hooks.
   */
  _ngOnDestroyHooks = /* @__PURE__ */ new Set();
  _onDestroyHooks = [];
  /**
   * Flag indicating that this injector was previously destroyed.
   */
  get destroyed() {
    return this._destroyed;
  }
  _destroyed = false;
  injectorDefTypes;
  /**
   * Destroy the injector and release references to every instance or provider associated with it.
   *
   * Also calls the `OnDestroy` lifecycle hooks of every instance that was created for which a
   * hook was found.
   */
  destroy() {
    assertNotDestroyed(this);
    this._destroyed = true;
    try {
      for (const service of this._ngOnDestroyHooks) {
        service.ngOnDestroy();
      }
      const onDestroyHooks = this._onDestroyHooks;
      this._onDestroyHooks = [];
      for (const hook of onDestroyHooks) {
        hook();
      }
    } finally {
      this.records.clear();
      this._ngOnDestroyHooks.clear();
      this.injectorDefTypes.clear();
    }
  }
  onDestroy(callback) {
    assertNotDestroyed(this);
    this._onDestroyHooks.push(callback);
    return () => this.removeOnDestroy(callback);
  }
  runInContext(fn) {
    assertNotDestroyed(this);
    const previousInjector = setCurrentInjector(this);
    const previousInjectImplementation = setInjectImplementation(void 0);
    if (false) {
    }
    try {
      return fn();
    } finally {
      setCurrentInjector(previousInjector);
      setInjectImplementation(previousInjectImplementation);
    }
  }
  get(token, notFoundValue = THROW_IF_NOT_FOUND, flags = 0 /* Default */) {
    assertNotDestroyed(this);
    if (token.hasOwnProperty(NG_ENV_ID)) {
      return token[NG_ENV_ID](this);
    }
    flags = convertToBitFlags(flags);
    if (false) {
    }
    const previousInjector = setCurrentInjector(this);
    const previousInjectImplementation = setInjectImplementation(void 0);
    try {
      if (!(flags & 4 /* SkipSelf */)) {
        let record = this.records.get(token);
        if (record === void 0) {
          const def = couldBeInjectableType(token) && getInjectableDef(token);
          if (def && this.injectableDefInScope(def)) {
            if (false) {
            }
            record = makeRecord(
              injectableDefOrInjectorDefFactory(token),
              NOT_YET
            );
          } else {
            record = null;
          }
          this.records.set(token, record);
        }
        if (record != null) {
          return this.hydrate(token, record);
        }
      }
      const nextInjector = !(flags & 2 /* Self */) ? this.parent : getNullInjector();
      notFoundValue = flags & 8 /* Optional */ && notFoundValue === THROW_IF_NOT_FOUND ? null : notFoundValue;
      return nextInjector.get(token, notFoundValue);
    } catch (e) {
      if (e.name === "NullInjectorError") {
        const path = e[NG_TEMP_TOKEN_PATH] = e[NG_TEMP_TOKEN_PATH] || [];
        path.unshift(stringify(token));
        if (previousInjector) {
          throw e;
        } else {
          return catchInjectorError(e, token, "R3InjectorError", this.source);
        }
      } else {
        throw e;
      }
    } finally {
      setInjectImplementation(previousInjectImplementation);
      setCurrentInjector(previousInjector);
    }
  }
  /** @internal */
  resolveInjectorInitializers() {
    const previousInjector = setCurrentInjector(this);
    const previousInjectImplementation = setInjectImplementation(void 0);
    if (false) {
    }
    try {
      const initializers = this.get(
        ENVIRONMENT_INITIALIZER,
        EMPTY_ARRAY,
        2 /* Self */
      );
      if (false) {
      }
      for (const initializer of initializers) {
        initializer();
      }
    } finally {
      setCurrentInjector(previousInjector);
      setInjectImplementation(previousInjectImplementation);
    }
  }
  toString() {
    const tokens = [];
    const records = this.records;
    for (const token of records.keys()) {
      tokens.push(stringify(token));
    }
    return `R3Injector[${tokens.join(", ")}]`;
  }
  /**
   * Process a `SingleProvider` and add it.
   */
  processProvider(provider) {
    provider = resolveForwardRef(provider);
    let token = isTypeProvider(provider) ? provider : resolveForwardRef(provider && provider.provide);
    const record = providerToRecord(provider);
    if (false) {
    }
    if (!isTypeProvider(provider) && provider.multi === true) {
      let multiRecord = this.records.get(token);
      if (multiRecord) {
        if (false) {
        }
      } else {
        multiRecord = makeRecord(void 0, NOT_YET, true);
        multiRecord.factory = () => injectArgs(multiRecord.multi);
        this.records.set(token, multiRecord);
      }
      token = provider;
      multiRecord.multi.push(provider);
    } else {
      if (false) {
      }
    }
    this.records.set(token, record);
  }
  hydrate(token, record) {
    try {
      if (false) {
      } else if (record.value === NOT_YET) {
        record.value = CIRCULAR;
        if (false) {
        } else {
          record.value = record.factory();
        }
      }
      if (typeof record.value === "object" && record.value && hasOnDestroy(record.value)) {
        this._ngOnDestroyHooks.add(record.value);
      }
      return record.value;
    } finally {
    }
  }
  injectableDefInScope(def) {
    if (!def.providedIn) {
      return false;
    }
    const providedIn = resolveForwardRef(def.providedIn);
    if (typeof providedIn === "string") {
      return providedIn === "any" || this.scopes.has(providedIn);
    } else {
      return this.injectorDefTypes.has(providedIn);
    }
  }
  removeOnDestroy(callback) {
    const destroyCBIdx = this._onDestroyHooks.indexOf(callback);
    if (destroyCBIdx !== -1) {
      this._onDestroyHooks.splice(destroyCBIdx, 1);
    }
  }
};
function injectableDefOrInjectorDefFactory(token) {
  const injectableDef = getInjectableDef(token);
  const factory = injectableDef !== null ? injectableDef.factory : getFactoryDef(token);
  if (factory !== null) {
    return factory;
  }
  if (token instanceof InjectionToken) {
    throw new RuntimeError(204 /* INVALID_INJECTION_TOKEN */, null);
  }
  if (token instanceof Function) {
    return getUndecoratedInjectableFactory(token);
  }
  throw new RuntimeError(204 /* INVALID_INJECTION_TOKEN */, null);
}
function getUndecoratedInjectableFactory(token) {
  const paramLength = token.length;
  if (paramLength > 0) {
    throw new RuntimeError(204 /* INVALID_INJECTION_TOKEN */, null);
  }
  const inheritedInjectableDef = getInheritedInjectableDef(token);
  if (inheritedInjectableDef !== null) {
    return () => inheritedInjectableDef.factory(token);
  } else {
    return () => new token();
  }
}
function providerToRecord(provider) {
  if (isValueProvider(provider)) {
    return makeRecord(void 0, provider.useValue);
  } else {
    const factory = providerToFactory(provider);
    return makeRecord(factory, NOT_YET);
  }
}
function providerToFactory(provider, ngModuleType, providers) {
  let factory = void 0;
  if (false) {
  }
  if (isTypeProvider(provider)) {
    const unwrappedProvider = resolveForwardRef(provider);
    return getFactoryDef(unwrappedProvider) || injectableDefOrInjectorDefFactory(unwrappedProvider);
  } else {
    if (isValueProvider(provider)) {
      factory = () => resolveForwardRef(provider.useValue);
    } else if (isFactoryProvider(provider)) {
      factory = () => provider.useFactory(...injectArgs(provider.deps || []));
    } else if (isExistingProvider(provider)) {
      factory = () => ɵɵinject(resolveForwardRef(provider.useExisting));
    } else {
      const classRef = resolveForwardRef(
        provider && (provider.useClass || provider.provide)
      );
      if (false) {
      }
      if (hasDeps(provider)) {
        factory = () => new classRef(...injectArgs(provider.deps));
      } else {
        return getFactoryDef(classRef) || injectableDefOrInjectorDefFactory(classRef);
      }
    }
  }
  return factory;
}
function assertNotDestroyed(injector) {
  if (injector.destroyed) {
    throw new RuntimeError(205 /* INJECTOR_ALREADY_DESTROYED */, null);
  }
}
function makeRecord(factory, value, multi = false) {
  return {
    factory,
    value,
    multi: multi ? [] : void 0
  };
}
function hasDeps(value) {
  return !!value.deps;
}
function hasOnDestroy(value) {
  return value !== null && typeof value === "object" && typeof value.ngOnDestroy === "function";
}
function couldBeInjectableType(value) {
  return typeof value === "function" || typeof value === "object" && value instanceof InjectionToken;
}
function forEachSingleProvider(providers, fn) {
  for (const provider of providers) {
    if (Array.isArray(provider)) {
      forEachSingleProvider(provider, fn);
    } else if (provider && isEnvironmentProviders(provider)) {
      forEachSingleProvider(provider.ɵproviders, fn);
    } else {
      fn(provider);
    }
  }
}

// src/import/util/closure.ts
function noSideEffects(fn) {
  return { toString: fn }.toString();
}

// src/import/util/decorators.ts
function makeMetadataCtor(props) {
  return function ctor(...args) {
    if (props) {
      const values = props(...args);
      for (const propName in values) {
        this[propName] = values[propName];
      }
    }
  };
}
function makeParamDecorator(name, props, parentClass) {
  return noSideEffects(() => {
    const metaCtor = makeMetadataCtor(props);
    function ParamDecoratorFactory(...args) {
      metaCtor.apply(this, args);
      return this;
    }
    if (parentClass) {
    }
    return ParamDecoratorFactory;
  });
}

// src/import/di/metadata.ts
var Inject = attachInjectFlag(
  // Disable tslint because `DecoratorFlags` is a const enum which gets inlined.
  makeParamDecorator("Inject", (token) => ({ token })),
  // tslint:disable-next-line: no-toplevel-property-access
  -1 /* Inject */
);
var Optional = (
  // Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.
  // tslint:disable-next-line: no-toplevel-property-access
  attachInjectFlag(
    makeParamDecorator("Optional"),
    8 /* Optional */
  )
);
var Self = (
  // Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.
  // tslint:disable-next-line: no-toplevel-property-access
  attachInjectFlag(makeParamDecorator("Self"), 2 /* Self */)
);
var SkipSelf = (
  // Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.
  // tslint:disable-next-line: no-toplevel-property-access
  attachInjectFlag(
    makeParamDecorator("SkipSelf"),
    4 /* SkipSelf */
  )
);

// src/import/di/create_injector.ts
function createInjector(defType, parent = null, additionalProviders = null, name) {
  const injector = createInjectorWithoutInjectorInstances(
    defType,
    parent,
    additionalProviders,
    name
  );
  injector.resolveInjectorInitializers();
  return injector;
}
function createInjectorWithoutInjectorInstances(defType, parent = null, additionalProviders = null, name, scopes = /* @__PURE__ */ new Set()) {
  const providers = [
    additionalProviders || EMPTY_ARRAY,
    importProvidersFrom(defType)
  ];
  name = name || (typeof defType === "object" ? void 0 : stringify(defType));
  return new R3Injector(
    providers,
    parent || getNullInjector(),
    name || null,
    scopes
  );
}

// src/import/di/injector.ts
var Injector = class _Injector {
  static THROW_IF_NOT_FOUND = THROW_IF_NOT_FOUND;
  static NULL = /* @__PURE__ */ new NullInjector();
  static create(options, parent) {
    if (Array.isArray(options)) {
      return createInjector({ name: "" }, parent, options, "");
    } else {
      const name = options.name ?? "";
      return createInjector({ name }, options.parent, options.providers, name);
    }
  }
  /** @nocollapse */
  static ɵprov = (
    /** @pureOrBreakMyCode */
    /* @__PURE__ */ ɵɵdefineInjectable({
      token: _Injector,
      providedIn: "any",
      factory: () => ɵɵinject(INJECTOR)
    })
  );
  /**
   * @internal
   * @nocollapse
   */
  static __NG_ELEMENT_ID__ = -1 /* Injector */;
};

// src/import/render3/instructions/di.ts
function ɵɵinvalidFactory() {
  const msg = "invalid";
  throw new Error(msg);
}

// src/primitives/signals/src/equality.ts
function defaultEquals(a, b) {
  return Object.is(a, b);
}

// src/primitives/signals/src/graph.ts
var activeConsumer = null;
var inNotificationPhase = false;
var epoch = 1;
var SIGNAL = /* @__PURE__ */ Symbol("SIGNAL");
function setActiveConsumer(consumer) {
  const prev = activeConsumer;
  activeConsumer = consumer;
  return prev;
}
function getActiveConsumer() {
  return activeConsumer;
}
function isInNotificationPhase() {
  return inNotificationPhase;
}
var REACTIVE_NODE = {
  version: 0,
  lastCleanEpoch: 0,
  dirty: false,
  producerNode: void 0,
  producerLastReadVersion: void 0,
  producerIndexOfThis: void 0,
  nextProducerIndex: 0,
  liveConsumerNode: void 0,
  liveConsumerIndexOfThis: void 0,
  consumerAllowSignalWrites: false,
  consumerIsAlwaysLive: false,
  kind: "unknown",
  producerMustRecompute: () => false,
  producerRecomputeValue: () => {
  },
  consumerMarkedDirty: () => {
  },
  consumerOnSignalRead: () => {
  }
};
function producerAccessed(node) {
  if (inNotificationPhase) {
    throw new Error(
      false ? `Assertion error: signal read during notification phase` : ""
    );
  }
  if (activeConsumer === null) {
    return;
  }
  activeConsumer.consumerOnSignalRead(node);
  const idx = activeConsumer.nextProducerIndex++;
  assertConsumerNode(activeConsumer);
  if (idx < activeConsumer.producerNode.length && activeConsumer.producerNode[idx] !== node) {
    if (consumerIsLive(activeConsumer)) {
      const staleProducer = activeConsumer.producerNode[idx];
      producerRemoveLiveConsumerAtIndex(
        staleProducer,
        activeConsumer.producerIndexOfThis[idx]
      );
    }
  }
  if (activeConsumer.producerNode[idx] !== node) {
    activeConsumer.producerNode[idx] = node;
    activeConsumer.producerIndexOfThis[idx] = consumerIsLive(activeConsumer) ? producerAddLiveConsumer(node, activeConsumer, idx) : 0;
  }
  activeConsumer.producerLastReadVersion[idx] = node.version;
}
function producerIncrementEpoch() {
  epoch++;
}
function producerUpdateValueVersion(node) {
  if (consumerIsLive(node) && !node.dirty) {
    return;
  }
  if (!node.dirty && node.lastCleanEpoch === epoch) {
    return;
  }
  if (!node.producerMustRecompute(node) && !consumerPollProducersForChange(node)) {
    producerMarkClean(node);
    return;
  }
  node.producerRecomputeValue(node);
  producerMarkClean(node);
}
function producerNotifyConsumers(node) {
  if (node.liveConsumerNode === void 0) {
    return;
  }
  const prev = inNotificationPhase;
  inNotificationPhase = true;
  try {
    for (const consumer of node.liveConsumerNode) {
      if (!consumer.dirty) {
        consumerMarkDirty(consumer);
      }
    }
  } finally {
    inNotificationPhase = prev;
  }
}
function producerUpdatesAllowed() {
  return activeConsumer?.consumerAllowSignalWrites !== false;
}
function consumerMarkDirty(node) {
  node.dirty = true;
  producerNotifyConsumers(node);
  node.consumerMarkedDirty?.(node);
}
function producerMarkClean(node) {
  node.dirty = false;
  node.lastCleanEpoch = epoch;
}
function consumerBeforeComputation(node) {
  node && (node.nextProducerIndex = 0);
  return setActiveConsumer(node);
}
function consumerAfterComputation(node, prevConsumer) {
  setActiveConsumer(prevConsumer);
  if (!node || node.producerNode === void 0 || node.producerIndexOfThis === void 0 || node.producerLastReadVersion === void 0) {
    return;
  }
  if (consumerIsLive(node)) {
    for (let i = node.nextProducerIndex; i < node.producerNode.length; i++) {
      producerRemoveLiveConsumerAtIndex(
        node.producerNode[i],
        node.producerIndexOfThis[i]
      );
    }
  }
  while (node.producerNode.length > node.nextProducerIndex) {
    node.producerNode.pop();
    node.producerLastReadVersion.pop();
    node.producerIndexOfThis.pop();
  }
}
function consumerPollProducersForChange(node) {
  assertConsumerNode(node);
  for (let i = 0; i < node.producerNode.length; i++) {
    const producer = node.producerNode[i];
    const seenVersion = node.producerLastReadVersion[i];
    if (seenVersion !== producer.version) {
      return true;
    }
    producerUpdateValueVersion(producer);
    if (seenVersion !== producer.version) {
      return true;
    }
  }
  return false;
}
function consumerDestroy(node) {
  assertConsumerNode(node);
  if (consumerIsLive(node)) {
    for (let i = 0; i < node.producerNode.length; i++) {
      producerRemoveLiveConsumerAtIndex(
        node.producerNode[i],
        node.producerIndexOfThis[i]
      );
    }
  }
  node.producerNode.length = node.producerLastReadVersion.length = node.producerIndexOfThis.length = 0;
  if (node.liveConsumerNode) {
    node.liveConsumerNode.length = node.liveConsumerIndexOfThis.length = 0;
  }
}
function producerAddLiveConsumer(node, consumer, indexOfThis) {
  assertProducerNode(node);
  if (node.liveConsumerNode.length === 0 && isConsumerNode(node)) {
    for (let i = 0; i < node.producerNode.length; i++) {
      node.producerIndexOfThis[i] = producerAddLiveConsumer(
        node.producerNode[i],
        node,
        i
      );
    }
  }
  node.liveConsumerIndexOfThis.push(indexOfThis);
  return node.liveConsumerNode.push(consumer) - 1;
}
function producerRemoveLiveConsumerAtIndex(node, idx) {
  assertProducerNode(node);
  if (false) {
    throw new Error(
      `Assertion error: active consumer index ${idx} is out of bounds of ${node.liveConsumerNode.length} consumers)`
    );
  }
  if (node.liveConsumerNode.length === 1 && isConsumerNode(node)) {
    for (let i = 0; i < node.producerNode.length; i++) {
      producerRemoveLiveConsumerAtIndex(
        node.producerNode[i],
        node.producerIndexOfThis[i]
      );
    }
  }
  const lastIdx = node.liveConsumerNode.length - 1;
  node.liveConsumerNode[idx] = node.liveConsumerNode[lastIdx];
  node.liveConsumerIndexOfThis[idx] = node.liveConsumerIndexOfThis[lastIdx];
  node.liveConsumerNode.length--;
  node.liveConsumerIndexOfThis.length--;
  if (idx < node.liveConsumerNode.length) {
    const idxProducer = node.liveConsumerIndexOfThis[idx];
    const consumer = node.liveConsumerNode[idx];
    assertConsumerNode(consumer);
    consumer.producerIndexOfThis[idxProducer] = idx;
  }
}
function consumerIsLive(node) {
  return node.consumerIsAlwaysLive || (node?.liveConsumerNode?.length ?? 0) > 0;
}
function assertConsumerNode(node) {
  node.producerNode ??= [];
  node.producerIndexOfThis ??= [];
  node.producerLastReadVersion ??= [];
}
function assertProducerNode(node) {
  node.liveConsumerNode ??= [];
  node.liveConsumerIndexOfThis ??= [];
}
function isConsumerNode(node) {
  return node.producerNode !== void 0;
}

// src/primitives/signals/src/computed.ts
function createComputed(computation) {
  const node = Object.create(COMPUTED_NODE);
  node.computation = computation;
  const computed2 = () => {
    producerUpdateValueVersion(node);
    producerAccessed(node);
    if (node.value === ERRORED) {
      throw node.error;
    }
    return node.value;
  };
  computed2[SIGNAL] = node;
  return computed2;
}
var UNSET = /* @__PURE__ */ Symbol("UNSET");
var COMPUTING = /* @__PURE__ */ Symbol("COMPUTING");
var ERRORED = /* @__PURE__ */ Symbol("ERRORED");
var COMPUTED_NODE = /* @__PURE__ */ (() => ({
  ...REACTIVE_NODE,
  value: UNSET,
  dirty: true,
  error: null,
  equal: defaultEquals,
  kind: "computed",
  producerMustRecompute(node) {
    return node.value === UNSET || node.value === COMPUTING;
  },
  producerRecomputeValue(node) {
    if (node.value === COMPUTING) {
      throw new Error("Detected cycle in computations.");
    }
    const oldValue = node.value;
    node.value = COMPUTING;
    const prevConsumer = consumerBeforeComputation(node);
    let newValue;
    let wasEqual = false;
    try {
      newValue = node.computation();
      setActiveConsumer(null);
      wasEqual = oldValue !== UNSET && oldValue !== ERRORED && newValue !== ERRORED && node.equal(oldValue, newValue);
    } catch (err) {
      newValue = ERRORED;
      node.error = err;
    } finally {
      consumerAfterComputation(node, prevConsumer);
    }
    if (wasEqual) {
      node.value = oldValue;
      return;
    }
    node.value = newValue;
    node.version++;
  }
}))();

// src/primitives/signals/src/errors.ts
function defaultThrowError() {
  throw new Error();
}
var throwInvalidWriteToSignalErrorFn = defaultThrowError;
function throwInvalidWriteToSignalError(node) {
  throwInvalidWriteToSignalErrorFn(node);
}

// src/primitives/signals/src/signal.ts
var postSignalSetFn = null;
function createSignal(initialValue) {
  const node = Object.create(SIGNAL_NODE);
  node.value = initialValue;
  const getter = () => {
    producerAccessed(node);
    return node.value;
  };
  getter[SIGNAL] = node;
  return getter;
}
function signalSetFn(node, newValue) {
  if (!producerUpdatesAllowed()) {
    throwInvalidWriteToSignalError(node);
  }
  if (!node.equal(node.value, newValue)) {
    node.value = newValue;
    signalValueChanged(node);
  }
}
function signalUpdateFn(node, updater) {
  if (!producerUpdatesAllowed()) {
    throwInvalidWriteToSignalError(node);
  }
  signalSetFn(node, updater(node.value));
}
var SIGNAL_NODE = /* @__PURE__ */ (() => ({
  ...REACTIVE_NODE,
  equal: defaultEquals,
  value: void 0,
  kind: "signal"
}))();
function signalValueChanged(node) {
  node.version++;
  producerIncrementEpoch();
  producerNotifyConsumers(node);
  postSignalSetFn?.();
}

// src/primitives/signals/src/linked_signal.ts
function createLinkedSignal(sourceFn, computationFn, equalityFn) {
  const node = Object.create(LINKED_SIGNAL_NODE);
  node.source = sourceFn;
  node.computation = computationFn;
  if (equalityFn != void 0) {
    node.equal = equalityFn;
  }
  const linkedSignalGetter = () => {
    producerUpdateValueVersion(node);
    producerAccessed(node);
    if (node.value === ERRORED) {
      throw node.error;
    }
    return node.value;
  };
  const getter = linkedSignalGetter;
  getter[SIGNAL] = node;
  return getter;
}
function linkedSignalSetFn(node, newValue) {
  producerUpdateValueVersion(node);
  signalSetFn(node, newValue);
  producerMarkClean(node);
}
function linkedSignalUpdateFn(node, updater) {
  producerUpdateValueVersion(node);
  signalUpdateFn(node, updater);
  producerMarkClean(node);
}
var LINKED_SIGNAL_NODE = /* @__PURE__ */ (() => ({
  ...REACTIVE_NODE,
  value: UNSET,
  dirty: true,
  error: null,
  equal: defaultEquals,
  producerMustRecompute(node) {
    return node.value === UNSET || node.value === COMPUTING;
  },
  producerRecomputeValue(node) {
    if (node.value === COMPUTING) {
      throw new Error("Detected cycle in computations.");
    }
    const oldValue = node.value;
    node.value = COMPUTING;
    const prevConsumer = consumerBeforeComputation(node);
    let newValue;
    try {
      const newSourceValue = node.source();
      const prev = oldValue === UNSET || oldValue === ERRORED ? void 0 : {
        source: node.sourceValue,
        value: oldValue
      };
      newValue = node.computation(newSourceValue, prev);
      node.sourceValue = newSourceValue;
    } catch (err) {
      newValue = ERRORED;
      node.error = err;
    } finally {
      consumerAfterComputation(node, prevConsumer);
    }
    if (oldValue !== UNSET && newValue !== ERRORED && node.equal(oldValue, newValue)) {
      node.value = oldValue;
      return;
    }
    node.value = newValue;
    node.version++;
  }
}))();

// src/primitives/signals/src/watch.ts
function createWatch(fn, schedule, allowSignalWrites) {
  const node = Object.create(WATCH_NODE);
  if (allowSignalWrites) {
    node.consumerAllowSignalWrites = true;
  }
  node.fn = fn;
  node.schedule = schedule;
  const registerOnCleanup = (cleanupFn) => {
    node.cleanupFn = cleanupFn;
  };
  function isWatchNodeDestroyed(node2) {
    return node2.fn === null && node2.schedule === null;
  }
  function destroyWatchNode(node2) {
    if (!isWatchNodeDestroyed(node2)) {
      consumerDestroy(node2);
      node2.cleanupFn();
      node2.fn = null;
      node2.schedule = null;
      node2.cleanupFn = NOOP_CLEANUP_FN;
    }
  }
  const run = () => {
    if (node.fn === null) {
      return;
    }
    if (isInNotificationPhase()) {
      throw new Error(
        `Schedulers cannot synchronously execute watches while scheduling.`
      );
    }
    node.dirty = false;
    if (node.hasRun && !consumerPollProducersForChange(node)) {
      return;
    }
    node.hasRun = true;
    const prevConsumer = consumerBeforeComputation(node);
    try {
      node.cleanupFn();
      node.cleanupFn = NOOP_CLEANUP_FN;
      node.fn(registerOnCleanup);
    } finally {
      consumerAfterComputation(node, prevConsumer);
    }
  };
  node.ref = {
    notify: () => consumerMarkDirty(node),
    run,
    cleanup: () => node.cleanupFn(),
    destroy: () => destroyWatchNode(node),
    [SIGNAL]: node
  };
  return node.ref;
}
var NOOP_CLEANUP_FN = () => {
};
var WATCH_NODE = /* @__PURE__ */ (() => ({
  ...REACTIVE_NODE,
  consumerIsAlwaysLive: true,
  consumerAllowSignalWrites: false,
  consumerMarkedDirty: (node) => {
    if (node.schedule !== null) {
      node.schedule(node.ref);
    }
  },
  hasRun: false,
  cleanupFn: NOOP_CLEANUP_FN
}))();

// src/import/render3/reactivity/api.ts
function isSignal(value) {
  return typeof value === "function" && value[SIGNAL] !== void 0;
}

// src/import/render3/reactivity/computed.ts
function computed(computation, options) {
  const getter = createComputed(computation);
  if (options?.equal) {
    getter[SIGNAL].equal = options.equal;
  }
  if (false) {
  }
  return getter;
}

// src/import/render3/reactivity/signal.ts
function ɵunwrapWritableSignal(value) {
  return null;
}
function signal(initialValue, options) {
  const signalFn = createSignal(initialValue);
  const node = signalFn[SIGNAL];
  if (options?.equal) {
    node.equal = options.equal;
  }
  signalFn.set = (newValue) => signalSetFn(node, newValue);
  signalFn.update = (updateFn) => signalUpdateFn(node, updateFn);
  signalFn.asReadonly = signalAsReadonlyFn.bind(
    signalFn
  );
  if (false) {
  }
  return signalFn;
}
function signalAsReadonlyFn() {
  const node = this[SIGNAL];
  if (node.readonlyFn === void 0) {
    const readonlyFn = () => this();
    readonlyFn[SIGNAL] = node;
    node.readonlyFn = readonlyFn;
  }
  return node.readonlyFn;
}

// src/import/render3/reactivity/linked_signal.ts
var identityFn = (v) => v;
function linkedSignal(optionsOrComputation, options) {
  if (typeof optionsOrComputation === "function") {
    const getter = createLinkedSignal(
      optionsOrComputation,
      identityFn,
      options?.equal
    );
    return upgradeLinkedSignalGetter(getter);
  } else {
    const getter = createLinkedSignal(
      optionsOrComputation.source,
      optionsOrComputation.computation,
      optionsOrComputation.equal
    );
    return upgradeLinkedSignalGetter(getter);
  }
}
function upgradeLinkedSignalGetter(getter) {
  if (false) {
  }
  const node = getter[SIGNAL];
  const upgradedGetter = getter;
  upgradedGetter.set = (newValue) => linkedSignalSetFn(node, newValue);
  upgradedGetter.update = (updateFn) => linkedSignalUpdateFn(node, updateFn);
  upgradedGetter.asReadonly = signalAsReadonlyFn.bind(
    getter
  );
  return upgradedGetter;
}

// src/import/render3/reactivity/untracked.ts
function untracked(nonReactiveReadsFn) {
  const prevConsumer = setActiveConsumer(null);
  try {
    return nonReactiveReadsFn();
  } finally {
    setActiveConsumer(prevConsumer);
  }
}

// src/import/render3/reactivity/asserts.ts
function assertNotInReactiveContext(debugFn, extraContext) {
  if (getActiveConsumer() !== null) {
    throw new RuntimeError(
      -602 /* ASSERTION_NOT_INSIDE_REACTIVE_CONTEXT */,
      null
    );
  }
}

// src/import/di/contextual.ts
function isInInjectionContext() {
  return getInjectImplementation() !== void 0 || getCurrentInjector() != null;
}
function assertInInjectionContext(debugFn) {
  if (!isInInjectionContext()) {
    throw new RuntimeError(-203 /* MISSING_INJECTION_CONTEXT */, null);
  }
}

// src/import/linker/destroy_ref.ts
var DestroyRef = class {
  /**
   * @internal
   * @nocollapse
   */
  /**
   * @internal
   * @nocollapse
   */
  static __NG_ENV_ID__ = (injector) => injector;
};

// src/import/util/noop.ts
function noop(...args) {
}

// src/import/change_detection/scheduling/zoneless_scheduling.ts
var NotificationSource = /* @__PURE__ */ ((NotificationSource2) => {
  NotificationSource2[NotificationSource2["MarkAncestorsForTraversal"] = 0] = "MarkAncestorsForTraversal";
  NotificationSource2[NotificationSource2["SetInput"] = 1] = "SetInput";
  NotificationSource2[NotificationSource2["DeferBlockStateUpdate"] = 2] = "DeferBlockStateUpdate";
  NotificationSource2[NotificationSource2["DebugApplyChanges"] = 3] = "DebugApplyChanges";
  NotificationSource2[NotificationSource2["MarkForCheck"] = 4] = "MarkForCheck";
  NotificationSource2[NotificationSource2["Listener"] = 5] = "Listener";
  NotificationSource2[NotificationSource2["CustomElement"] = 6] = "CustomElement";
  NotificationSource2[NotificationSource2["RenderHook"] = 7] = "RenderHook";
  NotificationSource2[NotificationSource2["ViewAttached"] = 8] = "ViewAttached";
  NotificationSource2[NotificationSource2["ViewDetachedFromDOM"] = 9] = "ViewDetachedFromDOM";
  NotificationSource2[NotificationSource2["AsyncAnimationsLoaded"] = 10] = "AsyncAnimationsLoaded";
  NotificationSource2[NotificationSource2["PendingTaskRemoved"] = 11] = "PendingTaskRemoved";
  NotificationSource2[NotificationSource2["RootEffect"] = 12] = "RootEffect";
  NotificationSource2[NotificationSource2["ViewEffect"] = 13] = "ViewEffect";
  return NotificationSource2;
})(NotificationSource || {});
var ChangeDetectionScheduler = class {
};
var ZONELESS_ENABLED = new InjectionToken(
  false ? "Zoneless enabled" : "",
  { providedIn: "root", factory: () => false }
);
var PROVIDED_ZONELESS = new InjectionToken(
  false ? "Zoneless provided" : "",
  { providedIn: "root", factory: () => false }
);
var ZONELESS_SCHEDULER_DISABLED = new InjectionToken(
  false ? "scheduler disabled" : ""
);
var SCHEDULE_IN_ROOT_ZONE = new InjectionToken(
  false ? "run changes outside zone in root" : ""
);

// src/import/render3/reactivity/root_effect_scheduler.ts
var EffectScheduler = class _EffectScheduler {
  /** @nocollapse */
  static ɵprov = (
    /** @pureOrBreakMyCode */
    /* @__PURE__ */ ɵɵdefineInjectable({
      token: _EffectScheduler,
      providedIn: "root",
      factory: () => new ZoneAwareEffectScheduler()
    })
  );
};
var ZoneAwareEffectScheduler = class {
  queuedEffectCount = 0;
  queues = /* @__PURE__ */ new Map();
  schedule(handle) {
    this.enqueue(handle);
  }
  remove(handle) {
    const zone = handle.zone;
    const queue = this.queues.get(zone);
    if (!queue.has(handle)) {
      return;
    }
    queue.delete(handle);
    this.queuedEffectCount--;
  }
  enqueue(handle) {
    const zone = handle.zone;
    if (!this.queues.has(zone)) {
      this.queues.set(zone, /* @__PURE__ */ new Set());
    }
    const queue = this.queues.get(zone);
    if (queue.has(handle)) {
      return;
    }
    this.queuedEffectCount++;
    queue.add(handle);
  }
  /**
   * Run all scheduled effects.
   *
   * Execution order of effects within the same zone is guaranteed to be FIFO, but there is no
   * ordering guarantee between effects scheduled in different zones.
   */
  flush() {
    while (this.queuedEffectCount > 0) {
      for (const [zone, queue] of this.queues) {
        if (zone === null) {
          this.flushQueue(queue);
        } else {
          zone.run(() => this.flushQueue(queue));
        }
      }
    }
  }
  flushQueue(queue) {
    for (const handle of queue) {
      queue.delete(handle);
      this.queuedEffectCount--;
      handle.run();
    }
  }
};

// src/import/render3/reactivity/patch.ts
var USE_MICROTASK_EFFECT_BY_DEFAULT = false;

// src/import/error_handler.ts
var ErrorHandler = class {
  /**
   * @internal
   */
  _console = console;
  handleError(error) {
    this._console.error("ERROR", error);
  }
};

// src/import/pending_tasks.ts
import { BehaviorSubject } from "rxjs";
var PendingTasksInternal = class _PendingTasksInternal {
  taskId = 0;
  pendingTasks = /* @__PURE__ */ new Set();
  get _hasPendingTasks() {
    return this.hasPendingTasks.value;
  }
  hasPendingTasks = new BehaviorSubject(false);
  add() {
    if (!this._hasPendingTasks) {
      this.hasPendingTasks.next(true);
    }
    const taskId = this.taskId++;
    this.pendingTasks.add(taskId);
    return taskId;
  }
  has(taskId) {
    return this.pendingTasks.has(taskId);
  }
  remove(taskId) {
    this.pendingTasks.delete(taskId);
    if (this.pendingTasks.size === 0 && this._hasPendingTasks) {
      this.hasPendingTasks.next(false);
    }
  }
  ngOnDestroy() {
    this.pendingTasks.clear();
    if (this._hasPendingTasks) {
      this.hasPendingTasks.next(false);
    }
  }
  /** @nocollapse */
  static ɵprov = (
    /** @pureOrBreakMyCode */
    /* @__PURE__ */ ɵɵdefineInjectable({
      token: _PendingTasksInternal,
      providedIn: "root",
      factory: () => new _PendingTasksInternal()
    })
  );
};
var PendingTasks = class _PendingTasks {
  internalPendingTasks = inject(PendingTasksInternal);
  scheduler = inject(ChangeDetectionScheduler);
  /**
   * Adds a new task that should block application's stability.
   * @returns A cleanup function that removes a task when called.
   */
  add() {
    const taskId = this.internalPendingTasks.add();
    return () => {
      if (!this.internalPendingTasks.has(taskId)) {
        return;
      }
      this.scheduler.notify(11 /* PendingTaskRemoved */);
      this.internalPendingTasks.remove(taskId);
    };
  }
  /**
   * Runs an asynchronous function and blocks the application's stability until the function completes.
   *
   * ```ts
   * pendingTasks.run(async () => {
   *   const userData = await fetch('/api/user');
   *   this.userData.set(userData);
   * });
   * ```
   *
   * Application stability is at least delayed until the next tick after the `run` method resolves
   * so it is safe to make additional updates to application state that would require UI synchronization:
   *
   * ```ts
   * const userData = await pendingTasks.run(() => fetch('/api/user'));
   * this.userData.set(userData);
   * ```
   *
   * @param fn The asynchronous function to execute
   */
  async run(fn) {
    const removeTask = this.add();
    try {
      return await fn();
    } finally {
      removeTask();
    }
  }
  /** @nocollapse */
  static ɵprov = (
    /** @pureOrBreakMyCode */
    /* @__PURE__ */ ɵɵdefineInjectable({
      token: _PendingTasks,
      providedIn: "root",
      factory: () => new _PendingTasks()
    })
  );
};

// src/import/render3/reactivity/microtask_effect.ts
var MicrotaskEffectScheduler = class _MicrotaskEffectScheduler extends ZoneAwareEffectScheduler {
  pendingTasks = inject(PendingTasksInternal);
  taskId = null;
  schedule(effect3) {
    super.schedule(effect3);
    if (this.taskId === null) {
      this.taskId = this.pendingTasks.add();
      queueMicrotask(() => this.flush());
    }
  }
  flush() {
    try {
      super.flush();
    } finally {
      if (this.taskId !== null) {
        this.pendingTasks.remove(this.taskId);
        this.taskId = null;
      }
    }
  }
  /** @nocollapse */
  static ɵprov = (
    /** @pureOrBreakMyCode */
    /* @__PURE__ */ ɵɵdefineInjectable({
      token: _MicrotaskEffectScheduler,
      providedIn: "root",
      factory: () => new _MicrotaskEffectScheduler()
    })
  );
};
var EffectHandle = class {
  constructor(scheduler, effectFn, zone, destroyRef, injector, allowSignalWrites) {
    this.scheduler = scheduler;
    this.effectFn = effectFn;
    this.zone = zone;
    this.injector = injector;
    this.watcher = createWatch(
      (onCleanup) => this.runEffect(onCleanup),
      () => this.schedule(),
      allowSignalWrites
    );
    this.unregisterOnDestroy = destroyRef?.onDestroy(() => this.destroy());
  }
  unregisterOnDestroy;
  watcher;
  runEffect(onCleanup) {
    try {
      this.effectFn(onCleanup);
    } catch (err) {
      const errorHandler = this.injector.get(ErrorHandler, null, {
        optional: true
      });
      errorHandler?.handleError(err);
    }
  }
  run() {
    this.watcher.run();
  }
  schedule() {
    this.scheduler.schedule(this);
  }
  destroy() {
    this.watcher.destroy();
    this.unregisterOnDestroy?.();
  }
};
function effect() {
}
fu