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{"version":3,"file":"core.mjs","sources":["../../../../../../packages/core/src/error_details_base_url.ts","../../../../../../packages/core/src/errors.ts","../../../../../../packages/core/src/authoring/input/input_signal_node.ts","../../../../../../packages/core/src/authoring/input/input_signal.ts","../../../../../../packages/core/src/util/closure.ts","../../../../../../packages/core/src/util/decorators.ts","../../../../../../packages/core/src/util/global.ts","../../../../../../packages/core/src/util/ng_dev_mode.ts","../../../../../../packages/core/src/util/property.ts","../../../../../../packages/core/src/util/stringify.ts","../../../../../../packages/core/src/di/forward_ref.ts","../../../../../../packages/core/src/util/assert.ts","../../../../../../packages/core/src/di/interface/defs.ts","../../../../../../packages/core/src/di/injection_token.ts","../../../../../../packages/core/src/render3/debug/injector_profiler.ts","../../../../../../packages/core/src/di/interface/provider.ts","../../../../../../packages/core/src/render3/fields.ts","../../../../../../packages/core/src/render3/util/stringify_utils.ts","../../../../../../packages/core/src/render3/errors_di.ts","../../../../../../packages/core/src/di/interface/injector.ts","../../../../../../packages/core/src/di/inject_switch.ts","../../../../../../packages/core/src/di/injector_compatibility.ts","../../../../../../packages/core/src/di/metadata.ts","../../../../../../packages/core/src/render3/definition_factory.ts","../../../../../../packages/core/src/util/array_utils.ts","../../../../../../packages/core/src/util/empty.ts","../../../../../../packages/core/src/di/initializer_token.ts","../../../../../../packages/core/src/di/injector_token.ts","../../../../../../packages/core/src/di/internal_tokens.ts","../../../../../../packages/core/src/di/null_injector.ts","../../../../../../packages/core/src/change_detection/constants.ts","../../../../../../packages/core/src/metadata/view.ts","../../../../../../packages/core/src/render3/interfaces/input_flags.ts","../../../../../../packages/core/src/render3/styling/class_differ.ts","../../../../../../packages/core/src/render3/util/attrs_utils.ts","../../../../../../packages/core/src/render3/node_selector_matcher.ts","../../../../../../packages/core/src/render3/definition.ts","../../../../../../packages/core/src/di/provider_collection.ts","../../../../../../packages/core/src/di/scope.ts","../../../../../../packages/core/src/di/r3_injector.ts","../../../../../../packages/core/src/di/contextual.ts","../../../../../../packages/core/src/compiler/compiler_facade_interface.ts","../../../../../../packages/core/src/compiler/compiler_facade.ts","../../../../../../packages/core/src/di/jit/environment.ts","../../../../../../packages/core/src/interface/type.ts","../../../../../../packages/core/src/reflection/reflection_capabilities.ts","../../../../../../packages/core/src/render3/interfaces/view.ts","../../../../../../packages/core/src/render3/interfaces/container.ts","../../../../../../packages/core/src/render3/interfaces/type_checks.ts","../../../../../../packages/core/src/render3/assert.ts","../../../../../../packages/core/src/interface/simple_change.ts","../../../../../../packages/core/src/render3/apply_value_input_field.ts","../../../../../../packages/core/src/render3/features/ng_onchanges_feature.ts","../../../../../../packages/core/src/render3/profiler.ts","../../../../../../packages/core/src/render3/namespaces.ts","../../../../../../packages/core/src/render3/util/view_utils.ts","../../../../../../packages/core/src/render3/state.ts","../../../../../../packages/core/src/render3/hooks.ts","../../../../../../packages/core/src/render3/interfaces/injector.ts","../../../../../../packages/core/src/render3/interfaces/node.ts","../../../../../../packages/core/src/render3/node_assert.ts","../../../../../../packages/core/src/view/provider_flags.ts","../../../../../../packages/core/src/render3/chained_injector.ts","../../../../../../packages/core/src/render3/util/injector_utils.ts","../../../../../../packages/core/src/render3/di.ts","../../../../../../packages/core/src/render3/instructions/di_attr.ts","../../../../../../packages/core/src/di/metadata_attr.ts","../../../../../../packages/core/src/di/jit/util.ts","../../../../../../packages/core/src/di/jit/injectable.ts","../../../../../../packages/core/src/di/injectable.ts","../../../../../../packages/core/src/di/create_injector.ts","../../../../../../packages/core/src/di/injector.ts","../../../../../../packages/core/src/di/host_attribute_token.ts","../../../../../../packages/core/src/di/host_tag_name_token.ts","../../../../../../packages/core/src/di/index.ts","../../../../../../packages/core/src/di.ts","../../../../../../packages/core/src/util/errors.ts","../../../../../../packages/core/src/error_handler.ts","../../../../../../packages/core/src/linker/destroy_ref.ts","../../../../../../packages/core/src/authoring/output/output_emitter_ref.ts","../../../../../../packages/core/src/authoring/o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ort.ts","../../../../../../packages/core/src/render3/component.ts","../../../../../../packages/core/src/application/application_config.ts","../../../../../../packages/core/src/core.ts","../../../../../../packages/core/public_api.ts","../../../../../../packages/core/index.ts","../../../../../../packages/core/core.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Base URL for the error details page.\n *\n * Keep this constant in sync across:\n * - packages/compiler-cli/src/ngtsc/diagnostics/src/error_details_base_url.ts\n * - packages/core/src/error_details_base_url.ts\n */\nexport const ERROR_DETAILS_PAGE_BASE_URL = 'https://angular.dev/errors';\n\n/**\n * URL for the XSS security documentation.\n */\nexport const XSS_SECURITY_URL = 'https://g.co/ng/security#xss';\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {ERROR_DETAILS_PAGE_BASE_URL} from './error_details_base_url';\n\n/**\n * The list of error codes used in runtime code of the `core` package.\n * Reserved error code range: 100-999.\n *\n * Note: the minus sign denotes the fact that a particular code has a detailed guide on\n * angular.io. This extra annotation is needed to avoid introducing a separate set to store\n * error codes which have guides, which might leak into runtime code.\n *\n * Full list of available error guides can be found at https://angular.dev/errors.\n *\n * Error code ranges per package:\n * - core (this package): 100-999\n * - forms: 1000-1999\n * - common: 2000-2999\n * - animations: 3000-3999\n * - router: 4000-4999\n * - platform-browser: 5000-5500\n */\nexport const enum RuntimeErrorCode {\n // Change Detection Errors\n EXPRESSION_CHANGED_AFTER_CHECKED = -100,\n RECURSIVE_APPLICATION_REF_TICK = 101,\n INFINITE_CHANGE_DETECTION = 103,\n\n // Dependency Injection Errors\n CYCLIC_DI_DEPENDENCY = -200,\n PROVIDER_NOT_FOUND = -201,\n INVALID_FACTORY_DEPENDENCY = 202,\n MISSING_INJECTION_CONTEXT = -203,\n INVALID_INJECTION_TOKEN = 204,\n INJECTOR_ALREADY_DESTROYED = 205,\n PROVIDER_IN_WRONG_CONTEXT = 207,\n MISSING_INJECTION_TOKEN = 208,\n INVALID_MULTI_PROVIDER = -209,\n MISSING_DOCUMENT = 210,\n\n // Template Errors\n MULTIPLE_COMPONENTS_MATCH = -300,\n EXPORT_NOT_FOUND = -301,\n PIPE_NOT_FOUND = -302,\n UNKNOWN_BINDING = 303,\n UNKNOWN_ELEMENT = 304,\n TEMPLATE_STRUCTURE_ERROR = 305,\n INVALID_EVENT_BINDING = 306,\n HOST_DIRECTIVE_UNRESOLVABLE = 307,\n HOST_DIRECTIVE_NOT_STANDALONE = 308,\n DUPLICATE_DIRECTIVE = 309,\n HOST_DIRECTIVE_COMPONENT = 310,\n HOST_DIRECTIVE_UNDEFINED_BINDING = 311,\n HOST_DIRECTIVE_CONFLICTING_ALIAS = 312,\n MULTIPLE_MATCHING_PIPES = 313,\n UNINITIALIZED_LET_ACCESS = 314,\n\n // Bootstrap Errors\n MULTIPLE_PLATFORMS = 400,\n PLATFORM_NOT_FOUND = 401,\n MISSING_REQUIRED_INJECTABLE_IN_BOOTSTRAP = 402,\n BOOTSTRAP_COMPONENTS_NOT_FOUND = -403,\n PLATFORM_ALREADY_DESTROYED = 404,\n ASYNC_INITIALIZERS_STILL_RUNNING = 405,\n APPLICATION_REF_ALREADY_DESTROYED = 406,\n RENDERER_NOT_FOUND = 407,\n PROVIDED_BOTH_ZONE_AND_ZONELESS = 408,\n\n // Hydration Errors\n HYDRATION_NODE_MISMATCH = -500,\n HYDRATION_MISSING_SIBLINGS = -501,\n HYDRATION_MISSING_NODE = -502,\n UNSUPPORTED_PROJECTION_DOM_NODES = -503,\n INVALID_SKIP_HYDRATION_HOST = -504,\n MISSING_HYDRATION_ANNOTATIONS = -505,\n HYDRATION_STABLE_TIMEDOUT = -506,\n MISSING_SSR_CONTENT_INTEGRITY_MARKER = -507,\n\n // Signal Errors\n SIGNAL_WRITE_FROM_ILLEGAL_CONTEXT = 600,\n REQUIRE_SYNC_WITHOUT_SYNC_EMIT = 601,\n ASSERTION_NOT_INSIDE_REACTIVE_CONTEXT = -602,\n\n // Styling Errors\n\n // Declarations Errors\n\n // i18n Errors\n INVALID_I18N_STRUCTURE = 700,\n MISSING_LOCALE_DATA = 701,\n\n // Defer errors (750-799 range)\n DEFER_LOADING_FAILED = 750,\n\n // standalone errors\n IMPORT_PROVIDERS_FROM_STANDALONE = 800,\n\n // JIT Compilation Errors\n // Other\n INVALID_DIFFER_INPUT = 900,\n NO_SUPPORTING_DIFFER_FACTORY = 901,\n VIEW_ALREADY_ATTACHED = 902,\n INVALID_INHERITANCE = 903,\n UNSAFE_VALUE_IN_RESOURCE_URL = 904,\n UNSAFE_VALUE_IN_SCRIPT = 905,\n MISSING_GENERATED_DEF = 906,\n TYPE_IS_NOT_STANDALONE = 907,\n MISSING_ZONEJS = 908,\n UNEXPECTED_ZONE_STATE = 909,\n UNSAFE_IFRAME_ATTRS = -910,\n VIEW_ALREADY_DESTROYED = 911,\n COMPONENT_ID_COLLISION = -912,\n IMAGE_PERFORMANCE_WARNING = -913,\n UNEXPECTED_ZONEJS_PRESENT_IN_ZONELESS_MODE = 914,\n\n // Signal integration errors\n REQUIRED_INPUT_NO_VALUE = -950,\n REQUIRED_QUERY_NO_VALUE = -951,\n REQUIRED_MODEL_NO_VALUE = 952,\n\n // Output()\n OUTPUT_REF_DESTROYED = 953,\n\n // Repeater errors\n LOOP_TRACK_DUPLICATE_KEYS = -955,\n LOOP_TRACK_RECREATE = -956,\n\n // Runtime dependency tracker errors\n RUNTIME_DEPS_INVALID_IMPORTED_TYPE = 1000,\n RUNTIME_DEPS_ORPHAN_COMPONENT = 1001,\n}\n\n/**\n * Class that represents a runtime error.\n * Formats and outputs the error message in a consistent way.\n *\n * Example:\n * ```\n * throw new RuntimeError(\n * RuntimeErrorCode.INJECTOR_ALREADY_DESTROYED,\n * ngDevMode && 'Injector has already been destroyed.');\n * ```\n *\n * Note: the `message` argument contains a descriptive error message as a string in development\n * mode (when the `ngDevMode` is defined). In production mode (after tree-shaking pass), the\n * `message` argument becomes `false`, thus we account for it in the typings and the runtime\n * logic.\n */\nexport class RuntimeError extends Error {\n constructor(\n public code: T,\n message: null | false | string,\n ) {\n super(formatRuntimeError(code, message));\n }\n}\n\n/**\n * Called to format a runtime error.\n * See additional info on the `message` argument type in the `RuntimeError` class description.\n */\nexport function formatRuntimeError(\n code: T,\n message: null | false | string,\n): string {\n // Error code might be a negative number, which is a special marker that instructs the logic to\n // generate a link to the error details page on angular.io.\n // We also prepend `0` to non-compile-time errors.\n const fullCode = `NG0${Math.abs(code)}`;\n\n let errorMessage = `${fullCode}${message ? ': ' + message : ''}`;\n\n if (ngDevMode && code < 0) {\n const addPeriodSeparator = !errorMessage.match(/[.,;!?\\n]$/);\n const separator = addPeriodSeparator ? '.' : '';\n errorMessage = `${errorMessage}${separator} Find more at ${ERROR_DETAILS_PAGE_BASE_URL}/${fullCode}`;\n }\n return errorMessage;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {SIGNAL_NODE, SignalNode, signalSetFn} from '@angular/core/primitives/signals';\n\nexport const REQUIRED_UNSET_VALUE = /* @__PURE__ */ Symbol('InputSignalNode#UNSET');\n\n/**\n * Reactive node type for an input signal. An input signal extends a signal.\n * There are special properties to enable transforms and required inputs.\n */\nexport interface InputSignalNode extends SignalNode {\n /**\n * User-configured transform that will run whenever a new value is applied\n * to the input signal node.\n */\n transformFn: ((value: TransformT) => T) | undefined;\n\n /**\n * Applies a new value to the input signal. Expects transforms to be run\n * manually before.\n *\n * This function is called by the framework runtime code whenever a binding\n * changes. The value can in practice be anything at runtime, but for typing\n * purposes we assume it's a valid `T` value. Type-checking will enforce that.\n */\n applyValueToInputSignal(node: InputSignalNode, value: T): void;\n}\n\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nexport const INPUT_SIGNAL_NODE: InputSignalNode = /* @__PURE__ */ (() => {\n return {\n ...SIGNAL_NODE,\n transformFn: undefined,\n\n applyValueToInputSignal(node: InputSignalNode, value: T) {\n signalSetFn(node, value);\n },\n };\n})();\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {producerAccessed, SIGNAL} from '@angular/core/primitives/signals';\n\nimport {RuntimeError, RuntimeErrorCode} from '../../errors';\nimport {Signal} from '../../render3/reactivity/api';\n\nimport {INPUT_SIGNAL_NODE, InputSignalNode, REQUIRED_UNSET_VALUE} from './input_signal_node';\n\n/**\n * @developerPreview\n *\n * Options for signal inputs.\n */\nexport interface InputOptions {\n /** Optional public name for the input. By default, the class field name is used. */\n alias?: string;\n /**\n * Optional transform that runs whenever a new value is bound. Can be used to\n * transform the input value before the input is updated.\n *\n * The transform function can widen the type of the input. For example, consider\n * an input for `disabled`. In practice, as the component author, you want to only\n * deal with a boolean, but users may want to bind a string if they just use the\n * attribute form to bind to the input via ``. A transform can then\n * handle such string values and convert them to `boolean`. See: {@link booleanAttribute}.\n */\n transform?: (v: TransformT) => T;\n}\n\n/**\n * Signal input options without the transform option.\n *\n * @developerPreview\n */\nexport type InputOptionsWithoutTransform =\n // Note: We still keep a notion of `transform` for auto-completion.\n Omit, 'transform'> & {transform?: undefined};\n/**\n * Signal input options with the transform option required.\n *\n * @developerPreview\n */\nexport type InputOptionsWithTransform = Required<\n Pick, 'transform'>\n> &\n InputOptions;\n\nexport const ɵINPUT_SIGNAL_BRAND_READ_TYPE = /* @__PURE__ */ Symbol();\nexport const ɵINPUT_SIGNAL_BRAND_WRITE_TYPE = /* @__PURE__ */ Symbol();\n\n/**\n * `InputSignalWithTransform` represents a special `Signal` for a\n * directive/component input with a `transform` function.\n *\n * Signal inputs with transforms capture an extra generic for their transform write\n * type. Transforms can expand the accepted bound values for an input while ensuring\n * value retrievals of the signal input are still matching the generic input type.\n *\n * ```ts\n * class MyDir {\n * disabled = input(false, {\n * transform: (v: string|boolean) => convertToBoolean(v),\n * }); // InputSignalWithTransform\n *\n * click() {\n * this.disabled() // always returns a `boolean`.\n * }\n * }\n * ```\n *\n * @see {@link InputSignal} for additional information.\n *\n * @developerPreview\n */\nexport interface InputSignalWithTransform extends Signal {\n [SIGNAL]: InputSignalNode;\n [ɵINPUT_SIGNAL_BRAND_READ_TYPE]: T;\n [ɵINPUT_SIGNAL_BRAND_WRITE_TYPE]: TransformT;\n}\n\n/**\n * `InputSignal` represents a special `Signal` for a directive/component input.\n *\n * An input signal is similar to a non-writable signal except that it also\n * carries additional type-information for transforms, and that Angular internally\n * updates the signal whenever a new value is bound.\n *\n * @see {@link InputOptionsWithTransform} for inputs with transforms.\n *\n * @developerPreview\n */\nexport interface InputSignal extends InputSignalWithTransform {}\n\n/**\n * Creates an input signal.\n *\n * @param initialValue The initial value.\n * Can be set to {@link REQUIRED_UNSET_VALUE} for required inputs.\n * @param options Additional options for the input. e.g. a transform, or an alias.\n */\nexport function createInputSignal(\n initialValue: T,\n options?: InputOptions,\n): InputSignalWithTransform {\n const node: InputSignalNode = Object.create(INPUT_SIGNAL_NODE);\n\n node.value = initialValue;\n\n // Perf note: Always set `transformFn` here to ensure that `node` always\n // has the same v8 class shape, allowing monomorphic reads on input signals.\n node.transformFn = options?.transform;\n\n function inputValueFn() {\n // Record that someone looked at this signal.\n producerAccessed(node);\n\n if (node.value === REQUIRED_UNSET_VALUE) {\n throw new RuntimeError(\n RuntimeErrorCode.REQUIRED_INPUT_NO_VALUE,\n ngDevMode && 'Input is required but no value is available yet.',\n );\n }\n\n return node.value;\n }\n\n (inputValueFn as any)[SIGNAL] = node;\n\n if (ngDevMode) {\n inputValueFn.toString = () => `[Input Signal: ${inputValueFn()}]`;\n }\n\n return inputValueFn as InputSignalWithTransform;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Convince closure compiler that the wrapped function has no side-effects.\n *\n * Closure compiler always assumes that `toString` has no side-effects. We use this quirk to\n * allow us to execute a function but have closure compiler mark the call as no-side-effects.\n * It is important that the return value for the `noSideEffects` function be assigned\n * to something which is retained otherwise the call to `noSideEffects` will be removed by closure\n * compiler.\n */\nexport function noSideEffects(fn: () => T): T {\n return {toString: fn}.toString() as unknown as T;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Type} from '../interface/type';\n\nimport {noSideEffects} from './closure';\n\n/**\n * An interface implemented by all Angular type decorators, which allows them to be used as\n * decorators as well as Angular syntax.\n *\n * ```\n * @ng.Component({...})\n * class MyClass {...}\n * ```\n *\n * @publicApi\n */\nexport interface TypeDecorator {\n /**\n * Invoke as decorator.\n */\n >(type: T): T;\n\n // Make TypeDecorator assignable to built-in ParameterDecorator type.\n // ParameterDecorator is declared in lib.d.ts as a `declare type`\n // so we cannot declare this interface as a subtype.\n // see https://github.com/angular/angular/issues/3379#issuecomment-126169417\n (target: Object, propertyKey?: string | symbol, parameterIndex?: number): void;\n // Standard (non-experimental) Decorator signature that avoids direct usage of\n // any TS 5.0+ specific types.\n (target: unknown, context: unknown): void;\n}\n\nexport const ANNOTATIONS = '__annotations__';\nexport const PARAMETERS = '__parameters__';\nexport const PROP_METADATA = '__prop__metadata__';\n\n/**\n * @suppress {globalThis}\n */\nexport function makeDecorator(\n name: string,\n props?: (...args: any[]) => any,\n parentClass?: any,\n additionalProcessing?: (type: Type) => void,\n typeFn?: (type: Type, ...args: any[]) => void,\n): {new (...args: any[]): any; (...args: any[]): any; (...args: any[]): (cls: any) => any} {\n return noSideEffects(() => {\n const metaCtor = makeMetadataCtor(props);\n\n function DecoratorFactory(\n this: unknown | typeof DecoratorFactory,\n ...args: any[]\n ): (cls: Type) => any {\n if (this instanceof DecoratorFactory) {\n metaCtor.call(this, ...args);\n return this as typeof DecoratorFactory;\n }\n\n const annotationInstance = new (DecoratorFactory as any)(...args);\n return function TypeDecorator(cls: Type) {\n if (typeFn) typeFn(cls, ...args);\n // Use of Object.defineProperty is important since it creates non-enumerable property which\n // prevents the property is copied during subclassing.\n const annotations = cls.hasOwnProperty(ANNOTATIONS)\n ? (cls as any)[ANNOTATIONS]\n : (Object.defineProperty(cls, ANNOTATIONS, {value: []}) as any)[ANNOTATIONS];\n annotations.push(annotationInstance);\n\n if (additionalProcessing) additionalProcessing(cls);\n\n return cls;\n };\n }\n\n if (parentClass) {\n DecoratorFactory.prototype = Object.create(parentClass.prototype);\n }\n\n DecoratorFactory.prototype.ngMetadataName = name;\n (DecoratorFactory as any).annotationCls = DecoratorFactory;\n return DecoratorFactory as any;\n });\n}\n\nfunction makeMetadataCtor(props?: (...args: any[]) => any): any {\n return function ctor(this: any, ...args: any[]) {\n if (props) {\n const values = props(...args);\n for (const propName in values) {\n this[propName] = values[propName];\n }\n }\n };\n}\n\nexport function makeParamDecorator(\n name: string,\n props?: (...args: any[]) => any,\n parentClass?: any,\n): any {\n return noSideEffects(() => {\n const metaCtor = makeMetadataCtor(props);\n function ParamDecoratorFactory(\n this: unknown | typeof ParamDecoratorFactory,\n ...args: any[]\n ): any {\n if (this instanceof ParamDecoratorFactory) {\n metaCtor.apply(this, args);\n return this;\n }\n const annotationInstance = new (ParamDecoratorFactory)(...args);\n\n (ParamDecorator).annotation = annotationInstance;\n return ParamDecorator;\n\n function ParamDecorator(cls: any, unusedKey: any, index: number): any {\n // Use of Object.defineProperty is important since it creates non-enumerable property which\n // prevents the property is copied during subclassing.\n const parameters = cls.hasOwnProperty(PARAMETERS)\n ? (cls as any)[PARAMETERS]\n : Object.defineProperty(cls, PARAMETERS, {value: []})[PARAMETERS];\n\n // there might be gaps if some in between parameters do not have annotations.\n // we pad with nulls.\n while (parameters.length <= index) {\n parameters.push(null);\n }\n\n (parameters[index] = parameters[index] || []).push(annotationInstance);\n return cls;\n }\n }\n if (parentClass) {\n ParamDecoratorFactory.prototype = Object.create(parentClass.prototype);\n }\n ParamDecoratorFactory.prototype.ngMetadataName = name;\n (ParamDecoratorFactory).annotationCls = ParamDecoratorFactory;\n return ParamDecoratorFactory;\n });\n}\n\nexport function makePropDecorator(\n name: string,\n props?: (...args: any[]) => any,\n parentClass?: any,\n additionalProcessing?: (target: any, name: string, ...args: any[]) => void,\n): any {\n return noSideEffects(() => {\n const metaCtor = makeMetadataCtor(props);\n\n function PropDecoratorFactory(\n this: unknown | typeof PropDecoratorFactory,\n ...args: any[]\n ): any {\n if (this instanceof PropDecoratorFactory) {\n metaCtor.apply(this, args);\n return this;\n }\n\n const decoratorInstance = new (PropDecoratorFactory)(...args);\n\n function PropDecorator(target: any, name: string) {\n // target is undefined with standard decorators. This case is not supported and will throw\n // if this decorator is used in JIT mode with standard decorators.\n if (target === undefined) {\n throw new Error('Standard Angular field decorators are not supported in JIT mode.');\n }\n\n const constructor = target.constructor;\n // Use of Object.defineProperty is important because it creates a non-enumerable property\n // which prevents the property from being copied during subclassing.\n const meta = constructor.hasOwnProperty(PROP_METADATA)\n ? (constructor as any)[PROP_METADATA]\n : Object.defineProperty(constructor, PROP_METADATA, {value: {}})[PROP_METADATA];\n meta[name] = (meta.hasOwnProperty(name) && meta[name]) || [];\n meta[name].unshift(decoratorInstance);\n\n if (additionalProcessing) additionalProcessing(target, name, ...args);\n }\n\n return PropDecorator;\n }\n\n if (parentClass) {\n PropDecoratorFactory.prototype = Object.create(parentClass.prototype);\n }\n\n PropDecoratorFactory.prototype.ngMetadataName = name;\n (PropDecoratorFactory).annotationCls = PropDecoratorFactory;\n return PropDecoratorFactory;\n });\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nconst _global: any = globalThis;\n\n/**\n * Attention: whenever providing a new value, be sure to add an\n * entry into the corresponding `....externs.js` file,\n * so that closure won't use that global for its purposes.\n */\nexport {_global as global};\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {global} from './global';\n\ndeclare global {\n /**\n * Values of ngDevMode\n * Depending on the current state of the application, ngDevMode may have one of several values.\n *\n * For convenience, the “truthy” value which enables dev mode is also an object which contains\n * Angular’s performance counters. This is not necessary, but cuts down on boilerplate for the\n * perf counters.\n *\n * ngDevMode may also be set to false. This can happen in one of a few ways:\n * - The user explicitly sets `window.ngDevMode = false` somewhere in their app.\n * - The user calls `enableProdMode()`.\n * - The URL contains a `ngDevMode=false` text.\n * Finally, ngDevMode may not have been defined at all.\n */\n const ngDevMode: null | NgDevModePerfCounters;\n\n interface NgDevModePerfCounters {\n namedConstructors: boolean;\n firstCreatePass: number;\n tNode: number;\n tView: number;\n rendererCreateTextNode: number;\n rendererSetText: number;\n rendererCreateElement: number;\n rendererAddEventListener: number;\n rendererSetAttribute: number;\n rendererRemoveAttribute: number;\n rendererSetProperty: number;\n rendererSetClassName: number;\n rendererAddClass: number;\n rendererRemoveClass: number;\n rendererSetStyle: number;\n rendererRemoveStyle: number;\n rendererDestroy: number;\n rendererDestroyNode: number;\n rendererMoveNode: number;\n rendererRemoveNode: number;\n rendererAppendChild: number;\n rendererInsertBefore: number;\n rendererCreateComment: number;\n hydratedNodes: number;\n hydratedComponents: number;\n dehydratedViewsRemoved: number;\n dehydratedViewsCleanupRuns: number;\n componentsSkippedHydration: number;\n }\n}\n\nexport function ngDevModeResetPerfCounters(): NgDevModePerfCounters {\n const locationString = typeof location !== 'undefined' ? location.toString() : '';\n const newCounters: NgDevModePerfCounters = {\n namedConstructors: locationString.indexOf('ngDevMode=namedConstructors') != -1,\n firstCreatePass: 0,\n tNode: 0,\n tView: 0,\n rendererCreateTextNode: 0,\n rendererSetText: 0,\n rendererCreateElement: 0,\n rendererAddEventListener: 0,\n rendererSetAttribute: 0,\n rendererRemoveAttribute: 0,\n rendererSetProperty: 0,\n rendererSetClassName: 0,\n rendererAddClass: 0,\n rendererRemoveClass: 0,\n rendererSetStyle: 0,\n rendererRemoveStyle: 0,\n rendererDestroy: 0,\n rendererDestroyNode: 0,\n rendererMoveNode: 0,\n rendererRemoveNode: 0,\n rendererAppendChild: 0,\n rendererInsertBefore: 0,\n rendererCreateComment: 0,\n hydratedNodes: 0,\n hydratedComponents: 0,\n dehydratedViewsRemoved: 0,\n dehydratedViewsCleanupRuns: 0,\n componentsSkippedHydration: 0,\n };\n\n // Make sure to refer to ngDevMode as ['ngDevMode'] for closure.\n const allowNgDevModeTrue = locationString.indexOf('ngDevMode=false') === -1;\n if (!allowNgDevModeTrue) {\n global['ngDevMode'] = false;\n } else {\n if (typeof global['ngDevMode'] !== 'object') {\n global['ngDevMode'] = {};\n }\n Object.assign(global['ngDevMode'], newCounters);\n }\n return newCounters;\n}\n\n/**\n * This function checks to see if the `ngDevMode` has been set. If yes,\n * then we honor it, otherwise we default to dev mode with additional checks.\n *\n * The idea is that unless we are doing production build where we explicitly\n * set `ngDevMode == false` we should be helping the developer by providing\n * as much early warning and errors as possible.\n *\n * `ɵɵdefineComponent` is guaranteed to have been called before any component template functions\n * (and thus Ivy instructions), so a single initialization there is sufficient to ensure ngDevMode\n * is defined for the entire instruction set.\n *\n * When checking `ngDevMode` on toplevel, always init it before referencing it\n * (e.g. `((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode())`), otherwise you can\n * get a `ReferenceError` like in https://github.com/angular/angular/issues/31595.\n *\n * Details on possible values for `ngDevMode` can be found on its docstring.\n *\n * NOTE:\n * - changes to the `ngDevMode` name must be synced with `compiler-cli/src/tooling.ts`.\n */\nexport function initNgDevMode(): boolean {\n // The below checks are to ensure that calling `initNgDevMode` multiple times does not\n // reset the counters.\n // If the `ngDevMode` is not an object, then it means we have not created the perf counters\n // yet.\n if (typeof ngDevMode === 'undefined' || ngDevMode) {\n if (typeof ngDevMode !== 'object' || Object.keys(ngDevMode).length === 0) {\n ngDevModeResetPerfCounters();\n }\n return typeof ngDevMode !== 'undefined' && !!ngDevMode;\n }\n return false;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nexport function getClosureSafeProperty(objWithPropertyToExtract: T): string {\n for (let key in objWithPropertyToExtract) {\n if (objWithPropertyToExtract[key] === (getClosureSafeProperty as any)) {\n return key;\n }\n }\n throw Error('Could not find renamed property on target object.');\n}\n\n/**\n * Sets properties on a target object from a source object, but only if\n * the property doesn't already exist on the target object.\n * @param target The target to set properties on\n * @param source The source of the property keys and values to set\n */\nexport function fillProperties(target: Record, source: Record) {\n for (const key in source) {\n if (source.hasOwnProperty(key) && !target.hasOwnProperty(key)) {\n target[key] = source[key];\n }\n }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nexport function stringify(token: any): string {\n if (typeof token === 'string') {\n return token;\n }\n\n if (Array.isArray(token)) {\n return '[' + token.map(stringify).join(', ') + ']';\n }\n\n if (token == null) {\n return '' + token;\n }\n\n if (token.overriddenName) {\n return `${token.overriddenName}`;\n }\n\n if (token.name) {\n return `${token.name}`;\n }\n\n const res = token.toString();\n\n if (res == null) {\n return '' + res;\n }\n\n const newLineIndex = res.indexOf('\\n');\n return newLineIndex === -1 ? res : res.substring(0, newLineIndex);\n}\n\n/**\n * Concatenates two strings with separator, allocating new strings only when necessary.\n *\n * @param before before string.\n * @param separator separator string.\n * @param after after string.\n * @returns concatenated string.\n */\nexport function concatStringsWithSpace(before: string | null, after: string | null): string {\n return before == null || before === ''\n ? after === null\n ? ''\n : after\n : after == null || after === ''\n ? before\n : before + ' ' + after;\n}\n\n/**\n * Ellipses the string in the middle when longer than the max length\n *\n * @param string\n * @param maxLength of the output string\n * @returns ellipsed string with ... in the middle\n */\nexport function truncateMiddle(str: string, maxLength = 100): string {\n if (!str || maxLength < 1 || str.length <= maxLength) return str;\n if (maxLength == 1) return str.substring(0, 1) + '...';\n\n const halfLimit = Math.round(maxLength / 2);\n return str.substring(0, halfLimit) + '...' + str.substring(str.length - halfLimit);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Type} from '../interface/type';\nimport {getClosureSafeProperty} from '../util/property';\nimport {stringify} from '../util/stringify';\n\n/**\n * An interface that a function passed into `forwardRef` has to implement.\n *\n * @usageNotes\n * ### Example\n *\n * {@example core/di/ts/forward_ref/forward_ref_spec.ts region='forward_ref_fn'}\n * @publicApi\n */\nexport interface ForwardRefFn {\n (): any;\n}\n\nconst __forward_ref__ = getClosureSafeProperty({__forward_ref__: getClosureSafeProperty});\n\n/**\n * Allows to refer to references which are not yet defined.\n *\n * For instance, `forwardRef` is used when the `token` which we need to refer to for the purposes of\n * DI is declared, but not yet defined. It is also used when the `token` which we use when creating\n * a query is not yet defined.\n *\n * `forwardRef` is also used to break circularities in standalone components imports.\n *\n * @usageNotes\n * ### Circular dependency example\n * {@example core/di/ts/forward_ref/forward_ref_spec.ts region='forward_ref'}\n *\n * ### Circular standalone reference import example\n * ```ts\n * @Component({\n * standalone: true,\n * imports: [ChildComponent],\n * selector: 'app-parent',\n * template: ` {\n (forwardRefFn).__forward_ref__ = forwardRef;\n (forwardRefFn).toString = function () {\n return stringify(this());\n };\n return >(forwardRefFn);\n}\n\n/**\n * Lazily retrieves the reference value from a forwardRef.\n *\n * Acts as the identity function when given a non-forward-ref value.\n *\n * @usageNotes\n * ### Example\n *\n * {@example core/di/ts/forward_ref/forward_ref_spec.ts region='resolve_forward_ref'}\n *\n * @see {@link forwardRef}\n * @publicApi\n */\nexport function resolveForwardRef(type: T): T {\n return isForwardRef(type) ? type() : type;\n}\n\n/** Checks whether a function is wrapped by a `forwardRef`. */\nexport function isForwardRef(fn: any): fn is () => any {\n return (\n typeof fn === 'function' &&\n fn.hasOwnProperty(__forward_ref__) &&\n fn.__forward_ref__ === forwardRef\n );\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n// The functions in this file verify that the assumptions we are making\n// about state in an instruction are correct before implementing any logic.\n// They are meant only to be called in dev mode as sanity checks.\n\nimport {getActiveConsumer} from '@angular/core/primitives/signals';\n\nimport {stringify} from './stringify';\n\nexport function assertNumber(actual: any, msg: string): asserts actual is number {\n if (!(typeof actual === 'number')) {\n throwError(msg, typeof actual, 'number', '===');\n }\n}\n\nexport function assertNumberInRange(\n actual: any,\n minInclusive: number,\n maxInclusive: number,\n): asserts actual is number {\n assertNumber(actual, 'Expected a number');\n assertLessThanOrEqual(actual, maxInclusive, 'Expected number to be less than or equal to');\n assertGreaterThanOrEqual(actual, minInclusive, 'Expected number to be greater than or equal to');\n}\n\nexport function assertString(actual: any, msg: string): asserts actual is string {\n if (!(typeof actual === 'string')) {\n throwError(msg, actual === null ? 'null' : typeof actual, 'string', '===');\n }\n}\n\nexport function assertFunction(actual: any, msg: string): asserts actual is Function {\n if (!(typeof actual === 'function')) {\n throwError(msg, actual === null ? 'null' : typeof actual, 'function', '===');\n }\n}\n\nexport function assertEqual(actual: T, expected: T, msg: string) {\n if (!(actual == expected)) {\n throwError(msg, actual, expected, '==');\n }\n}\n\nexport function assertNotEqual(actual: T, expected: T, msg: string): asserts actual is T {\n if (!(actual != expected)) {\n throwError(msg, actual, expected, '!=');\n }\n}\n\nexport function assertSame(actual: T, expected: T, msg: string): asserts actual is T {\n if (!(actual === expected)) {\n throwError(msg, actual, expected, '===');\n }\n}\n\nexport function assertNotSame(actual: T, expected: T, msg: string) {\n if (!(actual !== expected)) {\n throwError(msg, actual, expected, '!==');\n }\n}\n\nexport function assertLessThan(actual: T, expected: T, msg: string): asserts actual is T {\n if (!(actual < expected)) {\n throwError(msg, actual, expected, '<');\n }\n}\n\nexport function assertLessThanOrEqual(actual: T, expected: T, msg: string): asserts actual is T {\n if (!(actual <= expected)) {\n throwError(msg, actual, expected, '<=');\n }\n}\n\nexport function assertGreaterThan(actual: T, expected: T, msg: string): asserts actual is T {\n if (!(actual > expected)) {\n throwError(msg, actual, expected, '>');\n }\n}\n\nexport function assertGreaterThanOrEqual(\n actual: T,\n expected: T,\n msg: string,\n): asserts actual is T {\n if (!(actual >= expected)) {\n throwError(msg, actual, expected, '>=');\n }\n}\n\nexport function assertNotDefined(actual: T, msg: string) {\n if (actual != null) {\n throwError(msg, actual, null, '==');\n }\n}\n\nexport function assertDefined(actual: T | null | undefined, msg: string): asserts actual is T {\n if (actual == null) {\n throwError(msg, actual, null, '!=');\n }\n}\n\nexport function throwError(msg: string): never;\nexport function throwError(msg: string, actual: any, expected: any, comparison: string): never;\nexport function throwError(msg: string, actual?: any, expected?: any, comparison?: string): never {\n throw new Error(\n `ASSERTION ERROR: ${msg}` +\n (comparison == null ? '' : ` [Expected=> ${expected} ${comparison} ${actual} <=Actual]`),\n );\n}\n\nexport function assertDomNode(node: any): asserts node is Node {\n if (!(node instanceof Node)) {\n throwError(`The provided value must be an instance of a DOM Node but got ${stringify(node)}`);\n }\n}\n\nexport function assertElement(node: any): asserts node is Element {\n if (!(node instanceof Element)) {\n throwError(`The provided value must be an element but got ${stringify(node)}`);\n }\n}\n\nexport function assertIndexInRange(arr: any[], index: number) {\n assertDefined(arr, 'Array must be defined.');\n const maxLen = arr.length;\n if (index < 0 || index >= maxLen) {\n throwError(`Index expected to be less than ${maxLen} but got ${index}`);\n }\n}\n\nexport function assertOneOf(value: any, ...validValues: any[]) {\n if (validValues.indexOf(value) !== -1) return true;\n throwError(\n `Expected value to be one of ${JSON.stringify(validValues)} but was ${JSON.stringify(value)}.`,\n );\n}\n\nexport function assertNotReactive(fn: string): void {\n if (getActiveConsumer() !== null) {\n throwError(`${fn}() should never be called in a reactive context.`);\n }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Type} from '../../interface/type';\nimport {getClosureSafeProperty} from '../../util/property';\n\nimport {\n ClassProvider,\n ConstructorProvider,\n EnvironmentProviders,\n ExistingProvider,\n FactoryProvider,\n StaticClassProvider,\n ValueProvider,\n} from './provider';\n\n/**\n * Information about how a type or `InjectionToken` interfaces with the DI system.\n *\n * At a minimum, this includes a `factory` which defines how to create the given type `T`, possibly\n * requesting injection of other types if necessary.\n *\n * Optionally, a `providedIn` parameter specifies that the given type belongs to a particular\n * `Injector`, `NgModule`, or a special scope (e.g. `'root'`). A value of `null` indicates\n * that the injectable does not belong to any scope.\n *\n * @codeGenApi\n * @publicApi The ViewEngine compiler emits code with this type for injectables. This code is\n * deployed to npm, and should be treated as public api.\n\n */\nexport interface ɵɵInjectableDeclaration {\n /**\n * Specifies that the given type belongs to a particular injector:\n * - `InjectorType` such as `NgModule`,\n * - `'root'` the root injector\n * - `'any'` all injectors.\n * - `null`, does not belong to any injector. Must be explicitly listed in the injector\n * `providers`.\n */\n providedIn: InjectorType | 'root' | 'platform' | 'any' | 'environment' | null;\n\n /**\n * The token to which this definition belongs.\n *\n * Note that this may not be the same as the type that the `factory` will create.\n */\n token: unknown;\n\n /**\n * Factory method to execute to create an instance of the injectable.\n */\n factory: (t?: Type) => T;\n\n /**\n * In a case of no explicit injector, a location where the instance of the injectable is stored.\n */\n value: T | undefined;\n}\n\n/**\n * Information about the providers to be included in an `Injector` as well as how the given type\n * which carries the information should be created by the DI system.\n *\n * An `InjectorDef` can import other types which have `InjectorDefs`, forming a deep nested\n * structure of providers with a defined priority (identically to how `NgModule`s also have\n * an import/dependency structure).\n *\n * NOTE: This is a private type and should not be exported\n *\n * @codeGenApi\n */\nexport interface ɵɵInjectorDef {\n // TODO(alxhub): Narrow down the type here once decorators properly change the return type of the\n // class they are decorating (to add the ɵprov property for example).\n providers: (\n | Type\n | ValueProvider\n | ExistingProvider\n | FactoryProvider\n | ConstructorProvider\n | StaticClassProvider\n | ClassProvider\n | EnvironmentProviders\n | any[]\n )[];\n\n imports: (InjectorType | InjectorTypeWithProviders)[];\n}\n\n/**\n * A `Type` which has a `ɵprov: ɵɵInjectableDeclaration` static field.\n *\n * `InjectableType`s contain their own Dependency Injection metadata and are usable in an\n * `InjectorDef`-based `StaticInjector`.\n *\n * @publicApi\n */\nexport interface InjectableType extends Type {\n /**\n * Opaque type whose structure is highly version dependent. Do not rely on any properties.\n */\n ɵprov: unknown;\n}\n\n/**\n * A type which has an `InjectorDef` static field.\n *\n * `InjectorTypes` can be used to configure a `StaticInjector`.\n *\n * This is an opaque type whose structure is highly version dependent. Do not rely on any\n * properties.\n *\n * @publicApi\n */\nexport interface InjectorType extends Type {\n ɵfac?: unknown;\n ɵinj: unknown;\n}\n\n/**\n * Describes the `InjectorDef` equivalent of a `ModuleWithProviders`, an `InjectorType` with an\n * associated array of providers.\n *\n * Objects of this type can be listed in the imports section of an `InjectorDef`.\n *\n * NOTE: This is a private type and should not be exported\n */\nexport interface InjectorTypeWithProviders {\n ngModule: InjectorType;\n providers?: (\n | Type\n | ValueProvider\n | ExistingProvider\n | FactoryProvider\n | ConstructorProvider\n | StaticClassProvider\n | ClassProvider\n | EnvironmentProviders\n | any[]\n )[];\n}\n\n/**\n * Construct an injectable definition which defines how a token will be constructed by the DI\n * system, and in which injectors (if any) it will be available.\n *\n * This should be assigned to a static `ɵprov` field on a type, which will then be an\n * `InjectableType`.\n *\n * Options:\n * * `providedIn` determines which injectors will include the injectable, by either associating it\n * with an `@NgModule` or other `InjectorType`, or by specifying that this injectable should be\n * provided in the `'root'` injector, which will be the application-level injector in most apps.\n * * `factory` gives the zero argument function which will create an instance of the injectable.\n * The factory can call [`inject`](api/core/inject) to access the `Injector` and request injection\n * of dependencies.\n *\n * @codeGenApi\n * @publicApi This instruction has been emitted by ViewEngine for some time and is deployed to npm.\n */\nexport function ɵɵdefineInjectable(opts: {\n token: unknown;\n providedIn?: Type | 'root' | 'platform' | 'any' | 'environment' | null;\n factory: () => T;\n}): unknown {\n return {\n token: opts.token,\n providedIn: (opts.providedIn as any) || null,\n factory: opts.factory,\n value: undefined,\n } as ɵɵInjectableDeclaration;\n}\n\n/**\n * @deprecated in v8, delete after v10. This API should be used only by generated code, and that\n * code should now use ɵɵdefineInjectable instead.\n * @publicApi\n */\nexport const defineInjectable = ɵɵdefineInjectable;\n\n/**\n * Construct an `InjectorDef` which configures an injector.\n *\n * This should be assigned to a static injector def (`ɵinj`) field on a type, which will then be an\n * `InjectorType`.\n *\n * Options:\n *\n * * `providers`: an optional array of providers to add to the injector. Each provider must\n * either have a factory or point to a type which has a `ɵprov` static property (the\n * type must be an `InjectableType`).\n * * `imports`: an optional array of imports of other `InjectorType`s or `InjectorTypeWithModule`s\n * whose providers will also be added to the injector. Locally provided types will override\n * providers from imports.\n *\n * @codeGenApi\n */\nexport function ɵɵdefineInjector(options: {providers?: any[]; imports?: any[]}): unknown {\n return {providers: options.providers || [], imports: options.imports || []};\n}\n\n/**\n * Read the injectable def (`ɵprov`) for `type` in a way which is immune to accidentally reading\n * inherited value.\n *\n * @param type A type which may have its own (non-inherited) `ɵprov`.\n */\nexport function getInjectableDef(type: any): ɵɵInjectableDeclaration | null {\n return getOwnDefinition(type, NG_PROV_DEF) || getOwnDefinition(type, NG_INJECTABLE_DEF);\n}\n\nexport function isInjectable(type: any): boolean {\n return getInjectableDef(type) !== null;\n}\n\n/**\n * Return definition only if it is defined directly on `type` and is not inherited from a base\n * class of `type`.\n */\nfunction getOwnDefinition(type: any, field: string): ɵɵInjectableDeclaration | null {\n return type.hasOwnProperty(field) ? type[field] : null;\n}\n\n/**\n * Read the injectable def (`ɵprov`) for `type` or read the `ɵprov` from one of its ancestors.\n *\n * @param type A type which may have `ɵprov`, via inheritance.\n *\n * @deprecated Will be removed in a future version of Angular, where an error will occur in the\n * scenario if we find the `ɵprov` on an ancestor only.\n */\nexport function getInheritedInjectableDef(type: any): ɵɵInjectableDeclaration | null {\n const def = type && (type[NG_PROV_DEF] || type[NG_INJECTABLE_DEF]);\n\n if (def) {\n ngDevMode &&\n console.warn(\n `DEPRECATED: DI is instantiating a token \"${type.name}\" that inherits its @Injectable decorator but does not provide one itself.\\n` +\n `This will become an error in a future version of Angular. Please add @Injectable() to the \"${type.name}\" class.`,\n );\n return def;\n } else {\n return null;\n }\n}\n\n/**\n * Read the injector def type in a way which is immune to accidentally reading inherited value.\n *\n * @param type type which may have an injector def (`ɵinj`)\n */\nexport function getInjectorDef(type: any): ɵɵInjectorDef | null {\n return type && (type.hasOwnProperty(NG_INJ_DEF) || type.hasOwnProperty(NG_INJECTOR_DEF))\n ? (type as any)[NG_INJ_DEF]\n : null;\n}\n\nexport const NG_PROV_DEF = getClosureSafeProperty({ɵprov: getClosureSafeProperty});\nexport const NG_INJ_DEF = getClosureSafeProperty({ɵinj: getClosureSafeProperty});\n\n// We need to keep these around so we can read off old defs if new defs are unavailable\nexport const NG_INJECTABLE_DEF = getClosureSafeProperty({ngInjectableDef: getClosureSafeProperty});\nexport const NG_INJECTOR_DEF = getClosureSafeProperty({ngInjectorDef: getClosureSafeProperty});\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Type} from '../interface/type';\nimport {assertLessThan} from '../util/assert';\n\nimport {ɵɵdefineInjectable} from './interface/defs';\n\n/**\n * Creates a token that can be used in a DI Provider.\n *\n * Use an `InjectionToken` whenever the type you are injecting is not reified (does not have a\n * runtime representation) such as when injecting an interface, callable type, array or\n * parameterized type.\n *\n * `InjectionToken` is parameterized on `T` which is the type of object which will be returned by\n * the `Injector`. This provides an additional level of type safety.\n *\n * \n *\n * **Important Note**: Ensure that you use the same instance of the `InjectionToken` in both the\n * provider and the injection call. Creating a new instance of `InjectionToken` in different places,\n * even with the same description, will be treated as different tokens by Angular's DI system,\n * leading to a `NullInjectorError`.\n *\n * \n *\n * {\n /** @internal */\n readonly ngMetadataName = 'InjectionToken';\n\n readonly ɵprov: unknown;\n\n /**\n * @param _desc Description for the token,\n * used only for debugging purposes,\n * it should but does not need to be unique\n * @param options Options for the token's usage, as described above\n */\n constructor(\n protected _desc: string,\n options?: {\n providedIn?: Type | 'root' | 'platform' | 'any' | null;\n factory: () => T;\n },\n ) {\n this.ɵprov = undefined;\n if (typeof options == 'number') {\n (typeof ngDevMode === 'undefined' || ngDevMode) &&\n assertLessThan(options, 0, 'Only negative numbers are supported here');\n // This is a special hack to assign __NG_ELEMENT_ID__ to this instance.\n // See `InjectorMarkers`\n (this as any).__NG_ELEMENT_ID__ = options;\n } else if (options !== undefined) {\n this.ɵprov = ɵɵdefineInjectable({\n token: this,\n providedIn: options.providedIn || 'root',\n factory: options.factory,\n });\n }\n }\n\n /**\n * @internal\n */\n get multi(): InjectionToken> {\n return this as InjectionToken>;\n }\n\n toString(): string {\n return `InjectionToken ${this._desc}`;\n }\n}\n\nexport interface InjectableDefToken extends InjectionToken {\n ɵprov: unknown;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport type {FactoryProvider} from '../../di';\nimport {resolveForwardRef} from '../../di/forward_ref';\nimport {InjectionToken} from '../../di/injection_token';\nimport type {Injector} from '../../di/injector';\nimport {InjectFlags, InjectOptions, InternalInjectFlags} from '../../di/interface/injector';\nimport type {SingleProvider} from '../../di/provider_collection';\nimport {Type} from '../../interface/type';\nimport {throwError} from '../../util/assert';\nimport type {TNode} from '../interfaces/node';\nimport type {LView} from '../interfaces/view';\n\n/**\n * An enum describing the types of events that can be emitted from the injector profiler\n */\nexport const enum InjectorProfilerEventType {\n /**\n * Emits when a service is injected.\n */\n Inject,\n\n /**\n * Emits when an Angular class instance is created by an injector.\n */\n InstanceCreatedByInjector,\n\n /**\n * Emits when an injector configures a provider.\n */\n ProviderConfigured,\n}\n\n/**\n * An object that defines an injection context for the injector profiler.\n */\nexport interface InjectorProfilerContext {\n /**\n * The Injector that service is being injected into.\n * - Example: if ModuleA --provides--> ServiceA --injects--> ServiceB\n * then inject(ServiceB) in ServiceA has ModuleA as an injector context\n */\n injector: Injector;\n\n /**\n * The class where the constructor that is calling `inject` is located\n * - Example: if ModuleA --provides--> ServiceA --injects--> ServiceB\n * then inject(ServiceB) in ServiceA has ServiceA as a construction context\n */\n token: Type | null;\n}\n\nexport interface InjectedServiceEvent {\n type: InjectorProfilerEventType.Inject;\n context: InjectorProfilerContext;\n service: InjectedService;\n}\n\nexport interface InjectorCreatedInstanceEvent {\n type: InjectorProfilerEventType.InstanceCreatedByInjector;\n context: InjectorProfilerContext;\n instance: InjectorCreatedInstance;\n}\n\nexport interface ProviderConfiguredEvent {\n type: InjectorProfilerEventType.ProviderConfigured;\n context: InjectorProfilerContext;\n providerRecord: ProviderRecord;\n}\n\n/**\n * An object representing an event that is emitted through the injector profiler\n */\n\nexport type InjectorProfilerEvent =\n | InjectedServiceEvent\n | InjectorCreatedInstanceEvent\n | ProviderConfiguredEvent;\n\n/**\n * An object that contains information about a provider that has been configured\n *\n * TODO: rename to indicate that it is a debug structure eg. ProviderDebugInfo.\n */\nexport interface ProviderRecord {\n /**\n * DI token that this provider is configuring\n */\n token: Type | InjectionToken;\n\n /**\n * Determines if provider is configured as view provider.\n */\n isViewProvider: boolean;\n\n /**\n * The raw provider associated with this ProviderRecord.\n */\n provider: SingleProvider;\n\n /**\n * The path of DI containers that were followed to import this provider\n */\n importPath?: Type[];\n}\n\n/**\n * An object that contains information about a value that has been constructed within an injector\n */\nexport interface InjectorCreatedInstance {\n /**\n * Value of the created instance\n */\n value: unknown;\n}\n\n/**\n * An object that contains information a service that has been injected within an\n * InjectorProfilerContext\n */\nexport interface InjectedService {\n /**\n * DI token of the Service that is injected\n */\n token?: Type | InjectionToken;\n\n /**\n * Value of the injected service\n */\n value: unknown;\n\n /**\n * Flags that this service was injected with\n */\n flags?: InternalInjectFlags | InjectFlags | InjectOptions;\n\n /**\n * Injector that this service was provided in.\n */\n providedIn?: Injector;\n\n /**\n * In NodeInjectors, the LView and TNode that serviced this injection.\n */\n injectedIn?: {lView: LView; tNode: TNode};\n}\n\nexport interface InjectorProfiler {\n (event: InjectorProfilerEvent): void;\n}\n\nlet _injectorProfilerContext: InjectorProfilerContext;\nexport function getInjectorProfilerContext() {\n !ngDevMode && throwError('getInjectorProfilerContext should never be called in production mode');\n return _injectorProfilerContext;\n}\n\nexport function setInjectorProfilerContext(context: InjectorProfilerContext) {\n !ngDevMode && throwError('setInjectorProfilerContext should never be called in production mode');\n\n const previous = _injectorProfilerContext;\n _injectorProfilerContext = context;\n return previous;\n}\n\nlet injectorProfilerCallback: InjectorProfiler | null = null;\n\n/**\n * Sets the callback function which will be invoked during certain DI events within the\n * runtime (for example: injecting services, creating injectable instances, configuring providers)\n *\n * Warning: this function is *INTERNAL* and should not be relied upon in application's code.\n * The contract of the function might be changed in any release and/or the function can be removed\n * completely.\n *\n * @param profiler function provided by the caller or null value to disable profiling.\n */\nexport const setInjectorProfiler = (injectorProfiler: InjectorProfiler | null) => {\n !ngDevMode && throwError('setInjectorProfiler should never be called in production mode');\n injectorProfilerCallback = injectorProfiler;\n};\n\n/**\n * Injector profiler function which emits on DI events executed by the runtime.\n *\n * @param event InjectorProfilerEvent corresponding to the DI event being emitted\n */\nfunction injectorProfiler(event: InjectorProfilerEvent): void {\n !ngDevMode && throwError('Injector profiler should never be called in production mode');\n\n if (injectorProfilerCallback != null /* both `null` and `undefined` */) {\n injectorProfilerCallback!(event);\n }\n}\n\n/**\n * Emits an InjectorProfilerEventType.ProviderConfigured to the injector profiler. The data in the\n * emitted event includes the raw provider, as well as the token that provider is providing.\n *\n * @param eventProvider A provider object\n */\nexport function emitProviderConfiguredEvent(\n eventProvider: SingleProvider,\n isViewProvider: boolean = false,\n): void {\n !ngDevMode && throwError('Injector profiler should never be called in production mode');\n\n let token;\n // if the provider is a TypeProvider (typeof provider is function) then the token is the\n // provider itself\n if (typeof eventProvider === 'function') {\n token = eventProvider;\n }\n // if the provider is an injection token, then the token is the injection token.\n else if (eventProvider instanceof InjectionToken) {\n token = eventProvider;\n }\n // in all other cases we can access the token via the `provide` property of the provider\n else {\n token = resolveForwardRef(eventProvider.provide);\n }\n\n let provider = eventProvider;\n // Injection tokens may define their own default provider which gets attached to the token itself\n // as `ɵprov`. In this case, we want to emit the provider that is attached to the token, not the\n // token itself.\n if (eventProvider instanceof InjectionToken) {\n provider = (eventProvider.ɵprov as FactoryProvider) || eventProvider;\n }\n\n injectorProfiler({\n type: InjectorProfilerEventType.ProviderConfigured,\n context: getInjectorProfilerContext(),\n providerRecord: {token, provider, isViewProvider},\n });\n}\n\n/**\n * Emits an event to the injector profiler with the instance that was created. Note that\n * the injector associated with this emission can be accessed by using getDebugInjectContext()\n *\n * @param instance an object created by an injector\n */\nexport function emitInstanceCreatedByInjectorEvent(instance: unknown): void {\n !ngDevMode && throwError('Injector profiler should never be called in production mode');\n\n injectorProfiler({\n type: InjectorProfilerEventType.InstanceCreatedByInjector,\n context: getInjectorProfilerContext(),\n instance: {value: instance},\n });\n}\n\n/**\n * @param token DI token associated with injected service\n * @param value the instance of the injected service (i.e the result of `inject(token)`)\n * @param flags the flags that the token was injected with\n */\nexport function emitInjectEvent(token: Type, value: unknown, flags: InjectFlags): void {\n !ngDevMode && throwError('Injector profiler should never be called in production mode');\n\n injectorProfiler({\n type: InjectorProfilerEventType.Inject,\n context: getInjectorProfilerContext(),\n service: {token, value, flags},\n });\n}\n\nexport function runInInjectorProfilerContext(\n injector: Injector,\n token: Type,\n callback: () => void,\n): void {\n !ngDevMode &&\n throwError('runInInjectorProfilerContext should never be called in production mode');\n\n const prevInjectContext = setInjectorProfilerContext({injector, token});\n try {\n callback();\n } finally {\n setInjectorProfilerContext(prevInjectContext);\n }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Type} from '../../interface/type';\n\n/**\n * Configures the `Injector` to return a value for a token.\n * Base for `ValueProvider` decorator.\n *\n * @publicApi\n */\nexport interface ValueSansProvider {\n /**\n * The value to inject.\n */\n useValue: any;\n}\n\n/**\n * Configures the `Injector` to return a value for a token.\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example core/di/ts/provider_spec.ts region='ValueProvider'}\n *\n * ### Multi-value example\n *\n * {@example core/di/ts/provider_spec.ts region='MultiProviderAspect'}\n *\n * @publicApi\n */\nexport interface ValueProvider extends ValueSansProvider {\n /**\n * An injection token. Typically an instance of `Type` or `InjectionToken`, but can be `any`.\n */\n provide: any;\n\n /**\n * When true, injector returns an array of instances. This is useful to allow multiple\n * providers spread across many files to provide configuration information to a common token.\n */\n multi?: boolean;\n}\n\n/**\n * Configures the `Injector` to return an instance of `useClass` for a token.\n * Base for `StaticClassProvider` decorator.\n *\n * @publicApi\n */\nexport interface StaticClassSansProvider {\n /**\n * An optional class to instantiate for the `token`. By default, the `provide`\n * class is instantiated.\n */\n useClass: Type;\n\n /**\n * A list of `token`s to be resolved by the injector. The list of values is then\n * used as arguments to the `useClass` constructor.\n */\n deps: any[];\n}\n\n/**\n * Configures the `Injector` to return an instance of `useClass` for a token.\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @usageNotes\n *\n * {@example core/di/ts/provider_spec.ts region='StaticClassProvider'}\n *\n * Note that following two providers are not equal:\n *\n * {@example core/di/ts/provider_spec.ts region='StaticClassProviderDifference'}\n *\n * ### Multi-value example\n *\n * {@example core/di/ts/provider_spec.ts region='MultiProviderAspect'}\n *\n * @publicApi\n */\nexport interface StaticClassProvider extends StaticClassSansProvider {\n /**\n * An injection token. Typically an instance of `Type` or `InjectionToken`, but can be `any`.\n */\n provide: any;\n\n /**\n * When true, injector returns an array of instances. This is useful to allow multiple\n * providers spread across many files to provide configuration information to a common token.\n */\n multi?: boolean;\n}\n\n/**\n * Configures the `Injector` to return an instance of a token.\n *\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @usageNotes\n *\n * ```ts\n * @Injectable(SomeModule, {deps: []})\n * class MyService {}\n * ```\n *\n * @publicApi\n */\nexport interface ConstructorSansProvider {\n /**\n * A list of `token`s to be resolved by the injector.\n */\n deps?: any[];\n}\n\n/**\n * Configures the `Injector` to return an instance of a token.\n *\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @usageNotes\n *\n * {@example core/di/ts/provider_spec.ts region='ConstructorProvider'}\n *\n * ### Multi-value example\n *\n * {@example core/di/ts/provider_spec.ts region='MultiProviderAspect'}\n *\n * @publicApi\n */\nexport interface ConstructorProvider extends ConstructorSansProvider {\n /**\n * An injection token. Typically an instance of `Type` or `InjectionToken`, but can be `any`.\n */\n provide: Type;\n\n /**\n * When true, injector returns an array of instances. This is useful to allow multiple\n * providers spread across many files to provide configuration information to a common token.\n */\n multi?: boolean;\n}\n\n/**\n * Configures the `Injector` to return a value of another `useExisting` token.\n *\n * @see {@link ExistingProvider}\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @publicApi\n */\nexport interface ExistingSansProvider {\n /**\n * Existing `token` to return. (Equivalent to `injector.get(useExisting)`)\n */\n useExisting: any;\n}\n\n/**\n * Configures the `Injector` to return a value of another `useExisting` token.\n *\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @usageNotes\n *\n * {@example core/di/ts/provider_spec.ts region='ExistingProvider'}\n *\n * ### Multi-value example\n *\n * {@example core/di/ts/provider_spec.ts region='MultiProviderAspect'}\n *\n * @publicApi\n */\nexport interface ExistingProvider extends ExistingSansProvider {\n /**\n * An injection token. Typically an instance of `Type` or `InjectionToken`, but can be `any`.\n */\n provide: any;\n\n /**\n * When true, injector returns an array of instances. This is useful to allow multiple\n * providers spread across many files to provide configuration information to a common token.\n */\n multi?: boolean;\n}\n\n/**\n * Configures the `Injector` to return a value by invoking a `useFactory` function.\n *\n * @see {@link FactoryProvider}\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @publicApi\n */\nexport interface FactorySansProvider {\n /**\n * A function to invoke to create a value for this `token`. The function is invoked with\n * resolved values of `token`s in the `deps` field.\n */\n useFactory: Function;\n\n /**\n * A list of `token`s to be resolved by the injector. The list of values is then\n * used as arguments to the `useFactory` function.\n */\n deps?: any[];\n}\n\n/**\n * Configures the `Injector` to return a value by invoking a `useFactory` function.\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @usageNotes\n *\n * {@example core/di/ts/provider_spec.ts region='FactoryProvider'}\n *\n * Dependencies can also be marked as optional:\n *\n * {@example core/di/ts/provider_spec.ts region='FactoryProviderOptionalDeps'}\n *\n * ### Multi-value example\n *\n * {@example core/di/ts/provider_spec.ts region='MultiProviderAspect'}\n *\n * @publicApi\n */\nexport interface FactoryProvider extends FactorySansProvider {\n /**\n * An injection token. (Typically an instance of `Type` or `InjectionToken`, but can be `any`).\n */\n provide: any;\n\n /**\n * When true, injector returns an array of instances. This is useful to allow multiple\n * providers spread across many files to provide configuration information to a common token.\n */\n multi?: boolean;\n}\n\n/**\n * Describes how an `Injector` should be configured as static (that is, without reflection).\n * A static provider provides tokens to an injector for various types of dependencies.\n *\n * @see {@link Injector.create()}\n * @see [Dependency Injection Guide](guide/di/dependency-injection-providers).\n *\n * @publicApi\n */\nexport type StaticProvider =\n | ValueProvider\n | ExistingProvider\n | StaticClassProvider\n | ConstructorProvider\n | FactoryProvider\n | any[];\n\n/**\n * Configures the `Injector` to return an instance of `Type` when `Type' is used as the token.\n *\n * Create an instance by invoking the `new` operator and supplying additional arguments.\n * This form is a short form of `TypeProvider`;\n *\n * For more details, see the [\"Dependency Injection Guide\"](guide/di/dependency-injection.\n *\n * @usageNotes\n *\n * {@example core/di/ts/provider_spec.ts region='TypeProvider'}\n *\n * @publicApi\n */\nexport interface TypeProvider extends Type {}\n\n/**\n * Configures the `Injector` to return a value by invoking a `useClass` function.\n * Base for `ClassProvider` decorator.\n *\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @publicApi\n */\nexport interface ClassSansProvider {\n /**\n * Class to instantiate for the `token`.\n */\n useClass: Type;\n}\n\n/**\n * Configures the `Injector` to return an instance of `useClass` for a token.\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @usageNotes\n *\n * {@example core/di/ts/provider_spec.ts region='ClassProvider'}\n *\n * Note that following two providers are not equal:\n *\n * {@example core/di/ts/provider_spec.ts region='ClassProviderDifference'}\n *\n * ### Multi-value example\n *\n * {@example core/di/ts/provider_spec.ts region='MultiProviderAspect'}\n *\n * @publicApi\n */\nexport interface ClassProvider extends ClassSansProvider {\n /**\n * An injection token. (Typically an instance of `Type` or `InjectionToken`, but can be `any`).\n */\n provide: any;\n\n /**\n * When true, injector returns an array of instances. This is useful to allow multiple\n * providers spread across many files to provide configuration information to a common token.\n */\n multi?: boolean;\n}\n\n/**\n * Describes how the `Injector` should be configured.\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n *\n * @see {@link StaticProvider}\n *\n * @publicApi\n */\nexport type Provider =\n | TypeProvider\n | ValueProvider\n | ClassProvider\n | ConstructorProvider\n | ExistingProvider\n | FactoryProvider\n | any[];\n\n/**\n * Encapsulated `Provider`s that are only accepted during creation of an `EnvironmentInjector` (e.g.\n * in an `NgModule`).\n *\n * Using this wrapper type prevents providers which are only designed to work in\n * application/environment injectors from being accidentally included in\n * `@Component.providers` and ending up in a component injector.\n *\n * This wrapper type prevents access to the `Provider`s inside.\n *\n * @see {@link makeEnvironmentProviders}\n * @see {@link importProvidersFrom}\n *\n * @publicApi\n */\nexport type EnvironmentProviders = {\n ɵbrand: 'EnvironmentProviders';\n};\n\nexport interface InternalEnvironmentProviders extends EnvironmentProviders {\n ɵproviders: (Provider | EnvironmentProviders)[];\n\n /**\n * If present, indicates that the `EnvironmentProviders` were derived from NgModule providers.\n *\n * This is used to produce clearer error messages.\n */\n ɵfromNgModule?: true;\n}\n\nexport function isEnvironmentProviders(\n value: Provider | EnvironmentProviders | InternalEnvironmentProviders,\n): value is InternalEnvironmentProviders {\n return value && !!(value as InternalEnvironmentProviders).ɵproviders;\n}\n\n/**\n * Describes a function that is used to process provider lists (such as provider\n * overrides).\n */\nexport type ProcessProvidersFunction = (providers: Provider[]) => Provider[];\n\n/**\n * A wrapper around an NgModule that associates it with providers\n * Usage without a generic type is deprecated.\n *\n * @publicApi\n */\nexport interface ModuleWithProviders {\n ngModule: Type;\n providers?: Array;\n}\n\n/**\n * Providers that were imported from NgModules via the `importProvidersFrom` function.\n *\n * These providers are meant for use in an application injector (or other environment injectors) and\n * should not be used in component injectors.\n *\n * This type cannot be directly implemented. It's returned from the `importProvidersFrom` function\n * and serves to prevent the extracted NgModule providers from being used in the wrong contexts.\n *\n * @see {@link importProvidersFrom}\n *\n * @publicApi\n * @deprecated replaced by `EnvironmentProviders`\n */\nexport type ImportedNgModuleProviders = EnvironmentProviders;\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {getClosureSafeProperty} from '../util/property';\n\nexport const NG_COMP_DEF = getClosureSafeProperty({ɵcmp: getClosureSafeProperty});\nexport const NG_DIR_DEF = getClosureSafeProperty({ɵdir: getClosureSafeProperty});\nexport const NG_PIPE_DEF = getClosureSafeProperty({ɵpipe: getClosureSafeProperty});\nexport const NG_MOD_DEF = getClosureSafeProperty({ɵmod: getClosureSafeProperty});\nexport const NG_FACTORY_DEF = getClosureSafeProperty({ɵfac: getClosureSafeProperty});\n\n/**\n * If a directive is diPublic, bloomAdd sets a property on the type with this constant as\n * the key and the directive's unique ID as the value. This allows us to map directives to their\n * bloom filter bit for DI.\n */\n// TODO(misko): This is wrong. The NG_ELEMENT_ID should never be minified.\nexport const NG_ELEMENT_ID = getClosureSafeProperty({__NG_ELEMENT_ID__: getClosureSafeProperty});\n\n/**\n * The `NG_ENV_ID` field on a DI token indicates special processing in the `EnvironmentInjector`:\n * getting such tokens from the `EnvironmentInjector` will bypass the standard DI resolution\n * strategy and instead will return implementation produced by the `NG_ENV_ID` factory function.\n *\n * This particular retrieval of DI tokens is mostly done to eliminate circular dependencies and\n * improve tree-shaking.\n */\nexport const NG_ENV_ID = getClosureSafeProperty({__NG_ENV_ID__: getClosureSafeProperty});\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Type} from '../../interface/type';\nimport {NG_COMP_DEF} from '../fields';\n\n/**\n * Used for stringify render output in Ivy.\n * Important! This function is very performance-sensitive and we should\n * be extra careful not to introduce megamorphic reads in it.\n * Check `core/test/render3/perf/render_stringify` for benchmarks and alternate implementations.\n */\nexport function renderStringify(value: any): string {\n if (typeof value === 'string') return value;\n if (value == null) return '';\n // Use `String` so that it invokes the `toString` method of the value. Note that this\n // appears to be faster than calling `value.toString` (see `render_stringify` benchmark).\n return String(value);\n}\n\n/**\n * Used to stringify a value so that it can be displayed in an error message.\n *\n * Important! This function contains a megamorphic read and should only be\n * used for error messages.\n */\nexport function stringifyForError(value: any): string {\n if (typeof value === 'function') return value.name || value.toString();\n if (typeof value === 'object' && value != null && typeof value.type === 'function') {\n return value.type.name || value.type.toString();\n }\n\n return renderStringify(value);\n}\n\n/**\n * Used to stringify a `Type` and including the file path and line number in which it is defined, if\n * possible, for better debugging experience.\n *\n * Important! This function contains a megamorphic read and should only be used for error messages.\n */\nexport function debugStringifyTypeForError(type: Type): string {\n // TODO(pmvald): Do some refactoring so that we can use getComponentDef here without creating\n // circular deps.\n let componentDef = (type as any)[NG_COMP_DEF] || null;\n if (componentDef !== null && componentDef.debugInfo) {\n return stringifyTypeFromDebugInfo(componentDef.debugInfo);\n }\n\n return stringifyForError(type);\n}\n\n// TODO(pmvald): Do some refactoring so that we can use the type ClassDebugInfo for the param\n// debugInfo here without creating circular deps.\nfunction stringifyTypeFromDebugInfo(debugInfo: any): string {\n if (!debugInfo.filePath || !debugInfo.lineNumber) {\n return debugInfo.className;\n } else {\n return `${debugInfo.className} (at ${debugInfo.filePath}:${debugInfo.lineNumber})`;\n }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport type {ProviderToken} from '../di';\nimport {isEnvironmentProviders} from '../di/interface/provider';\nimport {RuntimeError, RuntimeErrorCode} from '../errors';\nimport {Type} from '../interface/type';\nimport {stringify} from '../util/stringify';\n\nimport {stringifyForError} from './util/stringify_utils';\n\n/** Called when directives inject each other (creating a circular dependency) */\nexport function throwCyclicDependencyError(token: string, path?: string[]): never {\n const depPath = path ? `. Dependency path: ${path.join(' > ')} > ${token}` : '';\n throw new RuntimeError(\n RuntimeErrorCode.CYCLIC_DI_DEPENDENCY,\n ngDevMode ? `Circular dependency in DI detected for ${token}${depPath}` : token,\n );\n}\n\nexport function throwMixedMultiProviderError() {\n throw new Error(`Cannot mix multi providers and regular providers`);\n}\n\nexport function throwInvalidProviderError(\n ngModuleType?: Type,\n providers?: any[],\n provider?: any,\n): never {\n if (ngModuleType && providers) {\n const providerDetail = providers.map((v) => (v == provider ? '?' + provider + '?' : '...'));\n throw new Error(\n `Invalid provider for the NgModule '${stringify(\n ngModuleType,\n )}' - only instances of Provider and Type are allowed, got: [${providerDetail.join(', ')}]`,\n );\n } else if (isEnvironmentProviders(provider)) {\n if (provider.ɵfromNgModule) {\n throw new RuntimeError(\n RuntimeErrorCode.PROVIDER_IN_WRONG_CONTEXT,\n `Invalid providers from 'importProvidersFrom' present in a non-environment injector. 'importProvidersFrom' can't be used for component providers.`,\n );\n } else {\n throw new RuntimeError(\n RuntimeErrorCode.PROVIDER_IN_WRONG_CONTEXT,\n `Invalid providers present in a non-environment injector. 'EnvironmentProviders' can't be used for component providers.`,\n );\n }\n } else {\n throw new Error('Invalid provider');\n }\n}\n\n/** Throws an error when a token is not found in DI. */\nexport function throwProviderNotFoundError(\n token: ProviderToken,\n injectorName?: string,\n): never {\n const errorMessage =\n ngDevMode &&\n `No provider for ${stringifyForError(token)} found${injectorName ? ` in ${injectorName}` : ''}`;\n throw new RuntimeError(RuntimeErrorCode.PROVIDER_NOT_FOUND, errorMessage);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Special flag indicating that a decorator is of type `Inject`. It's used to make `Inject`\n * decorator tree-shakable (so we don't have to rely on the `instanceof` checks).\n * Note: this flag is not included into the `InjectFlags` since it's an internal-only API.\n */\nexport const enum DecoratorFlags {\n Inject = -1,\n}\n\n/**\n * Injection flags for DI.\n *\n * @publicApi\n * @deprecated use an options object for [`inject`](api/core/inject) instead.\n */\nexport enum InjectFlags {\n // TODO(alxhub): make this 'const' (and remove `InternalInjectFlags` enum) when ngc no longer\n // writes exports of it into ngfactory files.\n\n /** Check self and check parent injector if needed */\n Default = 0b0000,\n\n /**\n * Specifies that an injector should retrieve a dependency from any injector until reaching the\n * host element of the current component. (Only used with Element Injector)\n */\n Host = 0b0001,\n\n /** Don't ascend to ancestors of the node requesting injection. */\n Self = 0b0010,\n\n /** Skip the node that is requesting injection. */\n SkipSelf = 0b0100,\n\n /** Inject `defaultValue` instead if token not found. */\n Optional = 0b1000,\n}\n\n/**\n * This enum is an exact copy of the `InjectFlags` enum above, but the difference is that this is a\n * const enum, so actual enum values would be inlined in generated code. The `InjectFlags` enum can\n * be turned into a const enum when ViewEngine is removed (see TODO at the `InjectFlags` enum\n * above). The benefit of inlining is that we can use these flags at the top level without affecting\n * tree-shaking (see \"no-toplevel-property-access\" tslint rule for more info).\n * Keep this enum in sync with `InjectFlags` enum above.\n */\nexport const enum InternalInjectFlags {\n /** Check self and check parent injector if needed */\n Default = 0b0000,\n\n /**\n * Specifies that an injector should retrieve a dependency from any injector until reaching the\n * host element of the current component. (Only used with Element Injector)\n */\n Host = 0b0001,\n\n /** Don't ascend to ancestors of the node requesting injection. */\n Self = 0b0010,\n\n /** Skip the node that is requesting injection. */\n SkipSelf = 0b0100,\n\n /** Inject `defaultValue` instead if token not found. */\n Optional = 0b1000,\n\n /**\n * This token is being injected into a pipe.\n *\n * This flag is intentionally not in the public facing `InjectFlags` because it is only added by\n * the compiler and is not a developer applicable flag.\n */\n ForPipe = 0b10000,\n}\n\n/**\n * Type of the options argument to [`inject`](api/core/inject).\n *\n * @publicApi\n */\nexport interface InjectOptions {\n /**\n * Use optional injection, and return `null` if the requested token is not found.\n */\n optional?: boolean;\n\n /**\n * Start injection at the parent of the current injector.\n */\n skipSelf?: boolean;\n\n /**\n * Only query the current injector for the token, and don't fall back to the parent injector if\n * it's not found.\n */\n self?: boolean;\n\n /**\n * Stop injection at the host component's injector. Only relevant when injecting from an element\n * injector, and a no-op for environment injectors.\n */\n host?: boolean;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {throwProviderNotFoundError} from '../render3/errors_di';\nimport {assertNotEqual} from '../util/assert';\nimport {stringify} from '../util/stringify';\n\nimport {getInjectableDef, ɵɵInjectableDeclaration} from './interface/defs';\nimport {InjectFlags} from './interface/injector';\nimport {ProviderToken} from './provider_token';\n\n/**\n * Current implementation of inject.\n *\n * By default, it is `injectInjectorOnly`, which makes it `Injector`-only aware. It can be changed\n * to `directiveInject`, which brings in the `NodeInjector` system of ivy. It is designed this\n * way for two reasons:\n * 1. `Injector` should not depend on ivy logic.\n * 2. To maintain tree shake-ability we don't want to bring in unnecessary code.\n */\nlet _injectImplementation:\n | ((token: ProviderToken, flags?: InjectFlags) => T | null)\n | undefined;\nexport function getInjectImplementation() {\n return _injectImplementation;\n}\n\n/**\n * Sets the current inject implementation.\n */\nexport function setInjectImplementation(\n impl: ((token: ProviderToken, flags?: InjectFlags) => T | null) | undefined,\n): ((token: ProviderToken, flags?: InjectFlags) => T | null) | undefined {\n const previous = _injectImplementation;\n _injectImplementation = impl;\n return previous;\n}\n\n/**\n * Injects `root` tokens in limp mode.\n *\n * If no injector exists, we can still inject tree-shakable providers which have `providedIn` set to\n * `\"root\"`. This is known as the limp mode injection. In such case the value is stored in the\n * injectable definition.\n */\nexport function injectRootLimpMode(\n token: ProviderToken,\n notFoundValue: T | undefined,\n flags: InjectFlags,\n): T | null {\n const injectableDef: ɵɵInjectableDeclaration | null = getInjectableDef(token);\n if (injectableDef && injectableDef.providedIn == 'root') {\n return injectableDef.value === undefined\n ? (injectableDef.value = injectableDef.factory())\n : injectableDef.value;\n }\n if (flags & InjectFlags.Optional) return null;\n if (notFoundValue !== undefined) return notFoundValue;\n throwProviderNotFoundError(token, 'Injector');\n}\n\n/**\n * Assert that `_injectImplementation` is not `fn`.\n *\n * This is useful, to prevent infinite recursion.\n *\n * @param fn Function which it should not equal to\n */\nexport function assertInjectImplementationNotEqual(\n fn: (token: ProviderToken, flags?: InjectFlags) => T | null,\n) {\n ngDevMode &&\n assertNotEqual(_injectImplementation, fn, 'Calling ɵɵinject would cause infinite recursion');\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport '../util/ng_dev_mode';\n\nimport {RuntimeError, RuntimeErrorCode} from '../errors';\nimport {Type} from '../interface/type';\nimport {emitInjectEvent} from '../render3/debug/injector_profiler';\nimport {stringify} from '../util/stringify';\n\nimport {resolveForwardRef} from './forward_ref';\nimport {getInjectImplementation, injectRootLimpMode} from './inject_switch';\nimport type {Injector} from './injector';\nimport {\n DecoratorFlags,\n InjectFlags,\n InjectOptions,\n InternalInjectFlags,\n} from './interface/injector';\nimport {ProviderToken} from './provider_token';\nimport type {HostAttributeToken} from './host_attribute_token';\n\nconst _THROW_IF_NOT_FOUND = {};\nexport const THROW_IF_NOT_FOUND = _THROW_IF_NOT_FOUND;\n\n/*\n * Name of a property (that we patch onto DI decorator), which is used as an annotation of which\n * InjectFlag this decorator represents. This allows to avoid direct references to the DI decorators\n * in the code, thus making them tree-shakable.\n */\nconst DI_DECORATOR_FLAG = '__NG_DI_FLAG__';\n\nexport const NG_TEMP_TOKEN_PATH = 'ngTempTokenPath';\nconst NG_TOKEN_PATH = 'ngTokenPath';\nconst NEW_LINE = /\\n/gm;\nconst NO_NEW_LINE = 'ɵ';\nexport const SOURCE = '__source';\n\n/**\n * Current injector value used by `inject`.\n * - `undefined`: it is an error to call `inject`\n * - `null`: `inject` can be called but there is no injector (limp-mode).\n * - Injector instance: Use the injector for resolution.\n */\nlet _currentInjector: Injector | undefined | null = undefined;\n\nexport function getCurrentInjector(): Injector | undefined | null {\n return _currentInjector;\n}\n\nexport function setCurrentInjector(\n injector: Injector | null | undefined,\n): Injector | undefined | null {\n const former = _currentInjector;\n _currentInjector = injector;\n return former;\n}\n\nexport function injectInjectorOnly(token: ProviderToken): T;\nexport function injectInjectorOnly(token: ProviderToken, flags?: InjectFlags): T | null;\nexport function injectInjectorOnly(\n token: ProviderToken,\n flags = InjectFlags.Default,\n): T | null {\n if (_currentInjector === undefined) {\n throw new RuntimeError(\n RuntimeErrorCode.MISSING_INJECTION_CONTEXT,\n ngDevMode &&\n `inject() must be called from an injection context such as a constructor, a factory function, a field initializer, or a function used with \\`runInInjectionContext\\`.`,\n );\n } else if (_currentInjector === null) {\n return injectRootLimpMode(token, undefined, flags);\n } else {\n const value = _currentInjector.get(\n token,\n flags & InjectFlags.Optional ? null : undefined,\n flags,\n );\n ngDevMode && emitInjectEvent(token as Type, value, flags);\n return value;\n }\n}\n\n/**\n * Generated instruction: injects a token from the currently active injector.\n *\n * (Additional documentation moved to `inject`, as it is the public API, and an alias for this\n * instruction)\n *\n * @see inject\n * @codeGenApi\n * @publicApi This instruction has been emitted by ViewEngine for some time and is deployed to npm.\n */\nexport function ɵɵinject(token: ProviderToken): T;\nexport function ɵɵinject(token: ProviderToken, flags?: InjectFlags): T | null;\nexport function ɵɵinject(token: HostAttributeToken): string;\nexport function ɵɵinject(token: HostAttributeToken, flags?: InjectFlags): string | null;\nexport function ɵɵinject(\n token: ProviderToken | HostAttributeToken,\n flags?: InjectFlags,\n): string | null;\nexport function ɵɵinject(\n token: ProviderToken | HostAttributeToken,\n flags = InjectFlags.Default,\n): T | null {\n return (getInjectImplementation() || injectInjectorOnly)(\n resolveForwardRef(token as Type),\n flags,\n );\n}\n\n/**\n * Throws an error indicating that a factory function could not be generated by the compiler for a\n * particular class.\n *\n * The name of the class is not mentioned here, but will be in the generated factory function name\n * and thus in the stack trace.\n *\n * @codeGenApi\n */\nexport function ɵɵinvalidFactoryDep(index: number): never {\n throw new RuntimeError(\n RuntimeErrorCode.INVALID_FACTORY_DEPENDENCY,\n ngDevMode &&\n `This constructor is not compatible with Angular Dependency Injection because its dependency at index ${index} of the parameter list is invalid.\nThis can happen if the dependency type is a primitive like a string or if an ancestor of this class is missing an Angular decorator.\n\nPlease check that 1) the type for the parameter at index ${index} is correct and 2) the correct Angular decorators are defined for this class and its ancestors.`,\n );\n}\n\n/**\n * @param token A token that represents a dependency that should be injected.\n * @returns the injected value if operation is successful, `null` otherwise.\n * @throws if called outside of a supported context.\n *\n * @publicApi\n */\nexport function inject(token: ProviderToken): T;\n/**\n * @param token A token that represents a dependency that should be injected.\n * @param flags Control how injection is executed. The flags correspond to injection strategies that\n * can be specified with parameter decorators `@Host`, `@Self`, `@SkipSelf`, and `@Optional`.\n * @returns the injected value if operation is successful, `null` otherwise.\n * @throws if called outside of a supported context.\n *\n * @publicApi\n * @deprecated prefer an options object instead of `InjectFlags`\n */\nexport function inject(token: ProviderToken, flags?: InjectFlags): T | null;\n/**\n * @param token A token that represents a dependency that should be injected.\n * @param options Control how injection is executed. Options correspond to injection strategies\n * that can be specified with parameter decorators `@Host`, `@Self`, `@SkipSelf`, and\n * `@Optional`.\n * @returns the injected value if operation is successful.\n * @throws if called outside of a supported context, or if the token is not found.\n *\n * @publicApi\n */\nexport function inject(token: ProviderToken, options: InjectOptions & {optional?: false}): T;\n/**\n * @param token A token that represents a dependency that should be injected.\n * @param options Control how injection is executed. Options correspond to injection strategies\n * that can be specified with parameter decorators `@Host`, `@Self`, `@SkipSelf`, and\n * `@Optional`.\n * @returns the injected value if operation is successful, `null` if the token is not\n * found and optional injection has been requested.\n * @throws if called outside of a supported context, or if the token is not found and optional\n * injection was not requested.\n *\n * @publicApi\n */\nexport function inject(token: ProviderToken, options: InjectOptions): T | null;\n/**\n * @param token A token that represents a static attribute on the host node that should be injected.\n * @returns Value of the attribute if it exists.\n * @throws If called outside of a supported context or the attribute does not exist.\n *\n * @publicApi\n */\nexport function inject(token: HostAttributeToken): string;\n/**\n * @param token A token that represents a static attribute on the host node that should be injected.\n * @returns Value of the attribute if it exists, otherwise `null`.\n * @throws If called outside of a supported context.\n *\n * @publicApi\n */\nexport function inject(token: HostAttributeToken, options: {optional: true}): string | null;\n/**\n * @param token A token that represents a static attribute on the host node that should be injected.\n * @returns Value of the attribute if it exists.\n * @throws If called outside of a supported context or the attribute does not exist.\n *\n * @publicApi\n */\nexport function inject(token: HostAttributeToken, options: {optional: false}): string;\n/**\n * Injects a token from the currently active injector.\n * `inject` is only supported in an [injection context](guide/di/dependency-injection-context). It\n * can be used during:\n * - Construction (via the `constructor`) of a class being instantiated by the DI system, such\n * as an `@Injectable` or `@Component`.\n * - In the initializer for fields of such classes.\n * - In the factory function specified for `useFactory` of a `Provider` or an `@Injectable`.\n * - In the `factory` function specified for an `InjectionToken`.\n * - In a stackframe of a function call in a DI context\n *\n * @param token A token that represents a dependency that should be injected.\n * @param flags Optional flags that control how injection is executed.\n * The flags correspond to injection strategies that can be specified with\n * parameter decorators `@Host`, `@Self`, `@SkipSelf`, and `@Optional`.\n * @returns the injected value if operation is successful, `null` otherwise.\n * @throws if called outside of a supported context.\n *\n * @usageNotes\n * In practice the `inject()` calls are allowed in a constructor, a constructor parameter and a\n * field initializer:\n *\n * ```typescript\n * @Injectable({providedIn: 'root'})\n * export class Car {\n * radio: Radio|undefined;\n * // OK: field initializer\n * spareTyre = inject(Tyre);\n *\n * constructor() {\n * // OK: constructor body\n * this.radio = inject(Radio);\n * }\n * }\n * ```\n *\n * It is also legal to call `inject` from a provider's factory:\n *\n * ```typescript\n * providers: [\n * {provide: Car, useFactory: () => {\n * // OK: a class factory\n * const engine = inject(Engine);\n * return new Car(engine);\n * }}\n * ]\n * ```\n *\n * Calls to the `inject()` function outside of the class creation context will result in error. Most\n * notably, calls to `inject()` are disallowed after a class instance was created, in methods\n * (including lifecycle hooks):\n *\n * ```typescript\n * @Component({ ... })\n * export class CarComponent {\n * ngOnInit() {\n * // ERROR: too late, the component instance was already created\n * const engine = inject(Engine);\n * engine.start();\n * }\n * }\n * ```\n *\n * @publicApi\n */\nexport function inject(\n token: ProviderToken | HostAttributeToken,\n flags: InjectFlags | InjectOptions = InjectFlags.Default,\n) {\n // The `as any` here _shouldn't_ be necessary, but without it JSCompiler\n // throws a disambiguation error due to the multiple signatures.\n return ɵɵinject(token as any, convertToBitFlags(flags));\n}\n\n// Converts object-based DI flags (`InjectOptions`) to bit flags (`InjectFlags`).\nexport function convertToBitFlags(\n flags: InjectOptions | InjectFlags | undefined,\n): InjectFlags | undefined {\n if (typeof flags === 'undefined' || typeof flags === 'number') {\n return flags;\n }\n\n // While TypeScript doesn't accept it without a cast, bitwise OR with false-y values in\n // JavaScript is a no-op. We can use that for a very codesize-efficient conversion from\n // `InjectOptions` to `InjectFlags`.\n return (InternalInjectFlags.Default | // comment to force a line break in the formatter\n ((flags.optional && InternalInjectFlags.Optional) as number) |\n ((flags.host && InternalInjectFlags.Host) as number) |\n ((flags.self && InternalInjectFlags.Self) as number) |\n ((flags.skipSelf && InternalInjectFlags.SkipSelf) as number)) as InjectFlags;\n}\n\nexport function injectArgs(types: (ProviderToken | any[])[]): any[] {\n const args: any[] = [];\n for (let i = 0; i < types.length; i++) {\n const arg = resolveForwardRef(types[i]);\n if (Array.isArray(arg)) {\n if (arg.length === 0) {\n throw new RuntimeError(\n RuntimeErrorCode.INVALID_DIFFER_INPUT,\n ngDevMode && 'Arguments array must have arguments.',\n );\n }\n let type: Type | undefined = undefined;\n let flags: InjectFlags = InjectFlags.Default;\n\n for (let j = 0; j < arg.length; j++) {\n const meta = arg[j];\n const flag = getInjectFlag(meta);\n if (typeof flag === 'number') {\n // Special case when we handle @Inject decorator.\n if (flag === DecoratorFlags.Inject) {\n type = meta.token;\n } else {\n flags |= flag;\n }\n } else {\n type = meta;\n }\n }\n\n args.push(ɵɵinject(type!, flags));\n } else {\n args.push(ɵɵinject(arg));\n }\n }\n return args;\n}\n\n/**\n * Attaches a given InjectFlag to a given decorator using monkey-patching.\n * Since DI decorators can be used in providers `deps` array (when provider is configured using\n * `useFactory`) without initialization (e.g. `Host`) and as an instance (e.g. `new Host()`), we\n * attach the flag to make it available both as a static property and as a field on decorator\n * instance.\n *\n * @param decorator Provided DI decorator.\n * @param flag InjectFlag that should be applied.\n */\nexport function attachInjectFlag(decorator: any, flag: InternalInjectFlags | DecoratorFlags): any {\n decorator[DI_DECORATOR_FLAG] = flag;\n decorator.prototype[DI_DECORATOR_FLAG] = flag;\n return decorator;\n}\n\n/**\n * Reads monkey-patched property that contains InjectFlag attached to a decorator.\n *\n * @param token Token that may contain monkey-patched DI flags property.\n */\nexport function getInjectFlag(token: any): number | undefined {\n return token[DI_DECORATOR_FLAG];\n}\n\nexport function catchInjectorError(\n e: any,\n token: any,\n injectorErrorName: string,\n source: string | null,\n): never {\n const tokenPath: any[] = e[NG_TEMP_TOKEN_PATH];\n if (token[SOURCE]) {\n tokenPath.unshift(token[SOURCE]);\n }\n e.message = formatError('\\n' + e.message, tokenPath, injectorErrorName, source);\n e[NG_TOKEN_PATH] = tokenPath;\n e[NG_TEMP_TOKEN_PATH] = null;\n throw e;\n}\n\nexport function formatError(\n text: string,\n obj: any,\n injectorErrorName: string,\n source: string | null = null,\n): string {\n text = text && text.charAt(0) === '\\n' && text.charAt(1) == NO_NEW_LINE ? text.slice(2) : text;\n let context = stringify(obj);\n if (Array.isArray(obj)) {\n context = obj.map(stringify).join(' -> ');\n } else if (typeof obj === 'object') {\n let parts = [];\n for (let key in obj) {\n if (obj.hasOwnProperty(key)) {\n let value = obj[key];\n parts.push(\n key + ':' + (typeof value === 'string' ? JSON.stringify(value) : stringify(value)),\n );\n }\n }\n context = `{${parts.join(', ')}}`;\n }\n return `${injectorErrorName}${source ? '(' + source + ')' : ''}[${context}]: ${text.replace(\n NEW_LINE,\n '\\n ',\n )}`;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {makeParamDecorator} from '../util/decorators';\n\nimport {attachInjectFlag} from './injector_compatibility';\nimport {DecoratorFlags, InternalInjectFlags} from './interface/injector';\n\n/**\n * Type of the Inject decorator / constructor function.\n *\n * @publicApi\n */\nexport interface InjectDecorator {\n /**\n * Parameter decorator on a dependency parameter of a class constructor\n * that specifies a custom provider of the dependency.\n *\n * @usageNotes\n * The following example shows a class constructor that specifies a\n * custom provider of a dependency using the parameter decorator.\n *\n * When `@Inject()` is not present, the injector uses the type annotation of the\n * parameter as the provider.\n *\n * \n * \n *\n * @see [Dependency Injection Guide](guide/di/dependency-injection\n *\n */\n (token: any): any;\n new (token: any): Inject;\n}\n\n/**\n * Type of the Inject metadata.\n *\n * @publicApi\n */\nexport interface Inject {\n /**\n * A DI token that maps to the dependency to be injected.\n */\n token: any;\n}\n\n/**\n * Inject decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nexport const Inject: InjectDecorator = attachInjectFlag(\n // Disable tslint because `DecoratorFlags` is a const enum which gets inlined.\n makeParamDecorator('Inject', (token: any) => ({token})),\n // tslint:disable-next-line: no-toplevel-property-access\n DecoratorFlags.Inject,\n);\n\n/**\n * Type of the Optional decorator / constructor function.\n *\n * @publicApi\n */\nexport interface OptionalDecorator {\n /**\n * Parameter decorator to be used on constructor parameters,\n * which marks the parameter as being an optional dependency.\n * The DI framework provides `null` if the dependency is not found.\n *\n * Can be used together with other parameter decorators\n * that modify how dependency injection operates.\n *\n * @usageNotes\n *\n * The following code allows the possibility of a `null` result:\n *\n * \n * \n *\n * @see [Dependency Injection Guide](guide/di/dependency-injection.\n */\n (): any;\n new (): Optional;\n}\n\n/**\n * Type of the Optional metadata.\n *\n * @publicApi\n */\nexport interface Optional {}\n\n/**\n * Optional decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nexport const Optional: OptionalDecorator =\n // Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.\n // tslint:disable-next-line: no-toplevel-property-access\n attachInjectFlag(makeParamDecorator('Optional'), InternalInjectFlags.Optional);\n\n/**\n * Type of the Self decorator / constructor function.\n *\n * @publicApi\n */\nexport interface SelfDecorator {\n /**\n * Parameter decorator to be used on constructor parameters,\n * which tells the DI framework to start dependency resolution from the local injector.\n *\n * Resolution works upward through the injector hierarchy, so the children\n * of this class must configure their own providers or be prepared for a `null` result.\n *\n * @usageNotes\n *\n * In the following example, the dependency can be resolved\n * by the local injector when instantiating the class itself, but not\n * when instantiating a child.\n *\n * \n * \n *\n * @see {@link SkipSelf}\n * @see {@link Optional}\n *\n */\n (): any;\n new (): Self;\n}\n\n/**\n * Type of the Self metadata.\n *\n * @publicApi\n */\nexport interface Self {}\n\n/**\n * Self decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nexport const Self: SelfDecorator =\n // Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.\n // tslint:disable-next-line: no-toplevel-property-access\n attachInjectFlag(makeParamDecorator('Self'), InternalInjectFlags.Self);\n\n/**\n * Type of the `SkipSelf` decorator / constructor function.\n *\n * @publicApi\n */\nexport interface SkipSelfDecorator {\n /**\n * Parameter decorator to be used on constructor parameters,\n * which tells the DI framework to start dependency resolution from the parent injector.\n * Resolution works upward through the injector hierarchy, so the local injector\n * is not checked for a provider.\n *\n * @usageNotes\n *\n * In the following example, the dependency can be resolved when\n * instantiating a child, but not when instantiating the class itself.\n *\n * \n * \n *\n * @see [Dependency Injection guide](guide/di/di-in-action#skip).\n * @see {@link Self}\n * @see {@link Optional}\n *\n */\n (): any;\n new (): SkipSelf;\n}\n\n/**\n * Type of the `SkipSelf` metadata.\n *\n * @publicApi\n */\nexport interface SkipSelf {}\n\n/**\n * `SkipSelf` decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nexport const SkipSelf: SkipSelfDecorator =\n // Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.\n // tslint:disable-next-line: no-toplevel-property-access\n attachInjectFlag(makeParamDecorator('SkipSelf'), InternalInjectFlags.SkipSelf);\n\n/**\n * Type of the `Host` decorator / constructor function.\n *\n * @publicApi\n */\nexport interface HostDecorator {\n /**\n * Parameter decorator on a view-provider parameter of a class constructor\n * that tells the DI framework to resolve the view by checking injectors of child\n * elements, and stop when reaching the host element of the current component.\n *\n * @usageNotes\n *\n * The following shows use with the `@Optional` decorator, and allows for a `null` result.\n *\n * \n * \n *\n * For an extended example, see [\"Dependency Injection\n * Guide\"](guide/di/di-in-action#optional).\n */\n (): any;\n new (): Host;\n}\n\n/**\n * Type of the Host metadata.\n *\n * @publicApi\n */\nexport interface Host {}\n\n/**\n * Host decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nexport const Host: HostDecorator =\n // Disable tslint because `InternalInjectFlags` is a const enum which gets inlined.\n // tslint:disable-next-line: no-toplevel-property-access\n attachInjectFlag(makeParamDecorator('Host'), InternalInjectFlags.Host);\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Type} from '../interface/type';\nimport {stringify} from '../util/stringify';\nimport {NG_FACTORY_DEF} from './fields';\n\n/**\n * Definition of what a factory function should look like.\n */\nexport type FactoryFn = {\n /**\n * Subclasses without an explicit constructor call through to the factory of their base\n * definition, providing it with their own constructor to instantiate.\n */\n (t?: Type): U;\n\n /**\n * If no constructor to instantiate is provided, an instance of type T itself is created.\n */\n (t?: undefined): T;\n};\n\nexport function getFactoryDef(type: any, throwNotFound: true): FactoryFn;\nexport function getFactoryDef(type: any): FactoryFn | null;\nexport function getFactoryDef(type: any, throwNotFound?: boolean): FactoryFn | null {\n const hasFactoryDef = type.hasOwnProperty(NG_FACTORY_DEF);\n if (!hasFactoryDef && throwNotFound === true && ngDevMode) {\n throw new Error(`Type ${stringify(type)} does not have 'ɵfac' property.`);\n }\n return hasFactoryDef ? type[NG_FACTORY_DEF] : null;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {assertEqual, assertLessThanOrEqual} from './assert';\n\n/**\n * Determines if the contents of two arrays is identical\n *\n * @param a first array\n * @param b second array\n * @param identityAccessor Optional function for extracting stable object identity from a value in\n * the array.\n */\nexport function arrayEquals(a: T[], b: T[], identityAccessor?: (value: T) => unknown): boolean {\n if (a.length !== b.length) return false;\n for (let i = 0; i < a.length; i++) {\n let valueA = a[i];\n let valueB = b[i];\n if (identityAccessor) {\n valueA = identityAccessor(valueA) as any;\n valueB = identityAccessor(valueB) as any;\n }\n if (valueB !== valueA) {\n return false;\n }\n }\n return true;\n}\n\n/**\n * Flattens an array.\n */\nexport function flatten(list: any[]): any[] {\n return list.flat(Number.POSITIVE_INFINITY);\n}\n\nexport function deepForEach(input: (T | any[])[], fn: (value: T) => void): void {\n input.forEach((value) => (Array.isArray(value) ? deepForEach(value, fn) : fn(value)));\n}\n\nexport function addToArray(arr: any[], index: number, value: any): void {\n // perf: array.push is faster than array.splice!\n if (index >= arr.length) {\n arr.push(value);\n } else {\n arr.splice(index, 0, value);\n }\n}\n\nexport function removeFromArray(arr: any[], index: number): any {\n // perf: array.pop is faster than array.splice!\n if (index >= arr.length - 1) {\n return arr.pop();\n } else {\n return arr.splice(index, 1)[0];\n }\n}\n\nexport function newArray(size: number): T[];\nexport function newArray(size: number, value: T): T[];\nexport function newArray(size: number, value?: T): T[] {\n const list: T[] = [];\n for (let i = 0; i < size; i++) {\n list.push(value!);\n }\n return list;\n}\n\n/**\n * Remove item from array (Same as `Array.splice()` but faster.)\n *\n * `Array.splice()` is not as fast because it has to allocate an array for the elements which were\n * removed. This causes memory pressure and slows down code when most of the time we don't\n * care about the deleted items array.\n *\n * https://jsperf.com/fast-array-splice (About 20x faster)\n *\n * @param array Array to splice\n * @param index Index of element in array to remove.\n * @param count Number of items to remove.\n */\nexport function arraySplice(array: any[], index: number, count: number): void {\n const length = array.length - count;\n while (index < length) {\n array[index] = array[index + count];\n index++;\n }\n while (count--) {\n array.pop(); // shrink the array\n }\n}\n\n/**\n * Same as `Array.splice(index, 0, value)` but faster.\n *\n * `Array.splice()` is not fast because it has to allocate an array for the elements which were\n * removed. This causes memory pressure and slows down code when most of the time we don't\n * care about the deleted items array.\n *\n * @param array Array to splice.\n * @param index Index in array where the `value` should be added.\n * @param value Value to add to array.\n */\nexport function arrayInsert(array: any[], index: number, value: any): void {\n ngDevMode && assertLessThanOrEqual(index, array.length, \"Can't insert past array end.\");\n let end = array.length;\n while (end > index) {\n const previousEnd = end - 1;\n array[end] = array[previousEnd];\n end = previousEnd;\n }\n array[index] = value;\n}\n\n/**\n * Same as `Array.splice2(index, 0, value1, value2)` but faster.\n *\n * `Array.splice()` is not fast because it has to allocate an array for the elements which were\n * removed. This causes memory pressure and slows down code when most of the time we don't\n * care about the deleted items array.\n *\n * @param array Array to splice.\n * @param index Index in array where the `value` should be added.\n * @param value1 Value to add to array.\n * @param value2 Value to add to array.\n */\nexport function arrayInsert2(array: any[], index: number, value1: any, value2: any): void {\n ngDevMode && assertLessThanOrEqual(index, array.length, \"Can't insert past array end.\");\n let end = array.length;\n if (end == index) {\n // inserting at the end.\n array.push(value1, value2);\n } else if (end === 1) {\n // corner case when we have less items in array than we have items to insert.\n array.push(value2, array[0]);\n array[0] = value1;\n } else {\n end--;\n array.push(array[end - 1], array[end]);\n while (end > index) {\n const previousEnd = end - 2;\n array[end] = array[previousEnd];\n end--;\n }\n array[index] = value1;\n array[index + 1] = value2;\n }\n}\n\n/**\n * Get an index of an `value` in a sorted `array`.\n *\n * NOTE:\n * - This uses binary search algorithm for fast removals.\n *\n * @param array A sorted array to binary search.\n * @param value The value to look for.\n * @returns index of the value.\n * - positive index if value found.\n * - negative index if value not found. (`~index` to get the value where it should have been\n * located)\n */\nexport function arrayIndexOfSorted(array: string[], value: string): number {\n return _arrayIndexOfSorted(array, value, 0);\n}\n\n/**\n * `KeyValueArray` is an array where even positions contain keys and odd positions contain values.\n *\n * `KeyValueArray` provides a very efficient way of iterating over its contents. For small\n * sets (~10) the cost of binary searching an `KeyValueArray` has about the same performance\n * characteristics that of a `Map` with significantly better memory footprint.\n *\n * If used as a `Map` the keys are stored in alphabetical order so that they can be binary searched\n * for retrieval.\n *\n * See: `keyValueArraySet`, `keyValueArrayGet`, `keyValueArrayIndexOf`, `keyValueArrayDelete`.\n */\nexport interface KeyValueArray extends Array {\n __brand__: 'array-map';\n}\n\n/**\n * Set a `value` for a `key`.\n *\n * @param keyValueArray to modify.\n * @param key The key to locate or create.\n * @param value The value to set for a `key`.\n * @returns index (always even) of where the value vas set.\n */\nexport function keyValueArraySet(\n keyValueArray: KeyValueArray,\n key: string,\n value: V,\n): number {\n let index = keyValueArrayIndexOf(keyValueArray, key);\n if (index >= 0) {\n // if we found it set it.\n keyValueArray[index | 1] = value;\n } else {\n index = ~index;\n arrayInsert2(keyValueArray, index, key, value);\n }\n return index;\n}\n\n/**\n * Retrieve a `value` for a `key` (on `undefined` if not found.)\n *\n * @param keyValueArray to search.\n * @param key The key to locate.\n * @return The `value` stored at the `key` location or `undefined if not found.\n */\nexport function keyValueArrayGet(keyValueArray: KeyValueArray, key: string): V | undefined {\n const index = keyValueArrayIndexOf(keyValueArray, key);\n if (index >= 0) {\n // if we found it retrieve it.\n return keyValueArray[index | 1] as V;\n }\n return undefined;\n}\n\n/**\n * Retrieve a `key` index value in the array or `-1` if not found.\n *\n * @param keyValueArray to search.\n * @param key The key to locate.\n * @returns index of where the key is (or should have been.)\n * - positive (even) index if key found.\n * - negative index if key not found. (`~index` (even) to get the index where it should have\n * been inserted.)\n */\nexport function keyValueArrayIndexOf(keyValueArray: KeyValueArray, key: string): number {\n return _arrayIndexOfSorted(keyValueArray as string[], key, 1);\n}\n\n/**\n * Delete a `key` (and `value`) from the `KeyValueArray`.\n *\n * @param keyValueArray to modify.\n * @param key The key to locate or delete (if exist).\n * @returns index of where the key was (or should have been.)\n * - positive (even) index if key found and deleted.\n * - negative index if key not found. (`~index` (even) to get the index where it should have\n * been.)\n */\nexport function keyValueArrayDelete(keyValueArray: KeyValueArray, key: string): number {\n const index = keyValueArrayIndexOf(keyValueArray, key);\n if (index >= 0) {\n // if we found it remove it.\n arraySplice(keyValueArray, index, 2);\n }\n return index;\n}\n\n/**\n * INTERNAL: Get an index of an `value` in a sorted `array` by grouping search by `shift`.\n *\n * NOTE:\n * - This uses binary search algorithm for fast removals.\n *\n * @param array A sorted array to binary search.\n * @param value The value to look for.\n * @param shift grouping shift.\n * - `0` means look at every location\n * - `1` means only look at every other (even) location (the odd locations are to be ignored as\n * they are values.)\n * @returns index of the value.\n * - positive index if value found.\n * - negative index if value not found. (`~index` to get the value where it should have been\n * inserted)\n */\nfunction _arrayIndexOfSorted(array: string[], value: string, shift: number): number {\n ngDevMode && assertEqual(Array.isArray(array), true, 'Expecting an array');\n let start = 0;\n let end = array.length >> shift;\n while (end !== start) {\n const middle = start + ((end - start) >> 1); // find the middle.\n const current = array[middle << shift];\n if (value === current) {\n return middle << shift;\n } else if (current > value) {\n end = middle;\n } else {\n start = middle + 1; // We already searched middle so make it non-inclusive by adding 1\n }\n }\n return ~(end << shift);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport {initNgDevMode} from './ng_dev_mode';\n\n/**\n * This file contains reuseable \"empty\" symbols that can be used as default return values\n * in different parts of the rendering code. Because the same symbols are returned, this\n * allows for identity checks against these values to be consistently used by the framework\n * code.\n */\n\nexport const EMPTY_OBJ: never = {} as never;\nexport const EMPTY_ARRAY: any[] = [];\n\n// freezing the values prevents any code from accidentally inserting new values in\nif ((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode()) {\n // These property accesses can be ignored because ngDevMode will be set to false\n // when optimizing code and the whole if statement will be dropped.\n // tslint:disable-next-line:no-toplevel-property-access\n Object.freeze(EMPTY_OBJ);\n // tslint:disable-next-line:no-toplevel-property-access\n Object.freeze(EMPTY_ARRAY);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {InjectionToken} from './injection_token';\n\n/**\n * A multi-provider token for initialization functions that will run upon construction of an\n * environment injector.\n *\n * @publicApi\n */\nexport const ENVIRONMENT_INITIALIZER = new InjectionToken void>>(\n ngDevMode ? 'ENVIRONMENT_INITIALIZER' : '',\n);\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {InjectionToken} from './injection_token';\nimport type {Injector} from './injector';\nimport {InjectorMarkers} from './injector_marker';\n\n/**\n * An InjectionToken that gets the current `Injector` for `createInjector()`-style injectors.\n *\n * Requesting this token instead of `Injector` allows `StaticInjector` to be tree-shaken from a\n * project.\n *\n * @publicApi\n */\nexport const INJECTOR = new InjectionToken(\n ngDevMode ? 'INJECTOR' : '',\n // Disable tslint because this is const enum which gets inlined not top level prop access.\n // tslint:disable-next-line: no-toplevel-property-access\n InjectorMarkers.Injector as any, // Special value used by Ivy to identify `Injector`.\n);\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Type} from '../interface/type';\n\nimport {InjectionToken} from './injection_token';\n\nexport const INJECTOR_DEF_TYPES = new InjectionToken>>(\n ngDevMode ? 'INJECTOR_DEF_TYPES' : '',\n);\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {stringify} from '../util/stringify';\nimport type {Injector} from './injector';\nimport {THROW_IF_NOT_FOUND} from './injector_compatibility';\n\nexport class NullInjector implements Injector {\n get(token: any, notFoundValue: any = THROW_IF_NOT_FOUND): any {\n if (notFoundValue === THROW_IF_NOT_FOUND) {\n const error = new Error(`NullInjectorError: No provider for ${stringify(token)}!`);\n error.name = 'NullInjectorError';\n throw error;\n }\n return notFoundValue;\n }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * The strategy that the default change detector uses to detect changes.\n * When set, takes effect the next time change detection is triggered.\n *\n * @see [Change detection usage](/api/core/ChangeDetectorRef?tab=usage-notes)\n * @see [Skipping component subtrees](/best-practices/skipping-subtrees)\n *\n * @publicApi\n */\nexport enum ChangeDetectionStrategy {\n /**\n * Use the `CheckOnce` strategy, meaning that automatic change detection is deactivated\n * until reactivated by setting the strategy to `Default` (`CheckAlways`).\n * Change detection can still be explicitly invoked.\n * This strategy applies to all child directives and cannot be overridden.\n */\n OnPush = 0,\n\n /**\n * Use the default `CheckAlways` strategy, in which change detection is automatic until\n * explicitly deactivated.\n */\n Default = 1,\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Defines the CSS styles encapsulation policies for the {@link Component} decorator's\n * `encapsulation` option.\n *\n * See {@link Component#encapsulation encapsulation}.\n *\n * @usageNotes\n * ### Example\n *\n * {@example core/ts/metadata/encapsulation.ts region='longform'}\n *\n * @publicApi\n */\nexport enum ViewEncapsulation {\n // TODO: consider making `ViewEncapsulation` a `const enum` instead. See\n // https://github.com/angular/angular/issues/44119 for additional information.\n\n /**\n * Emulates a native Shadow DOM encapsulation behavior by adding a specific attribute to the\n * component's host element and applying the same attribute to all the CSS selectors provided\n * via {@link Component#styles styles} or {@link Component#styleUrls styleUrls}.\n *\n * This is the default option.\n */\n Emulated = 0,\n\n // Historically the 1 value was for `Native` encapsulation which has been removed as of v11.\n\n /**\n * Doesn't provide any sort of CSS style encapsulation, meaning that all the styles provided\n * via {@link Component#styles styles} or {@link Component#styleUrls styleUrls} are applicable\n * to any HTML element of the application regardless of their host Component.\n */\n None = 2,\n\n /**\n * Uses the browser's native Shadow DOM API to encapsulate CSS styles, meaning that it creates\n * a ShadowRoot for the component's host element which is then used to encapsulate\n * all the Component's styling.\n */\n ShadowDom = 3,\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/** Flags describing an input for a directive. */\nexport enum InputFlags {\n None = 0,\n SignalBased = 1 << 0,\n HasDecoratorInputTransform = 1 << 1,\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {assertNotEqual} from '../../util/assert';\nimport {CharCode} from '../../util/char_code';\n\n/**\n * Returns an index of `classToSearch` in `className` taking token boundaries into account.\n *\n * `classIndexOf('AB A', 'A', 0)` will be 3 (not 0 since `AB!==A`)\n *\n * @param className A string containing classes (whitespace separated)\n * @param classToSearch A class name to locate\n * @param startingIndex Starting location of search\n * @returns an index of the located class (or -1 if not found)\n */\nexport function classIndexOf(\n className: string,\n classToSearch: string,\n startingIndex: number,\n): number {\n ngDevMode && assertNotEqual(classToSearch, '', 'can not look for \"\" string.');\n let end = className.length;\n while (true) {\n const foundIndex = className.indexOf(classToSearch, startingIndex);\n if (foundIndex === -1) return foundIndex;\n if (foundIndex === 0 || className.charCodeAt(foundIndex - 1) <= CharCode.SPACE) {\n // Ensure that it has leading whitespace\n const length = classToSearch.length;\n if (\n foundIndex + length === end ||\n className.charCodeAt(foundIndex + length) <= CharCode.SPACE\n ) {\n // Ensure that it has trailing whitespace\n return foundIndex;\n }\n }\n // False positive, keep searching from where we left off.\n startingIndex = foundIndex + 1;\n }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport {CharCode} from '../../util/char_code';\nimport {AttributeMarker} from '../interfaces/attribute_marker';\nimport {TAttributes} from '../interfaces/node';\nimport {CssSelector} from '../interfaces/projection';\nimport {Renderer} from '../interfaces/renderer';\nimport {RElement} from '../interfaces/renderer_dom';\n\n/**\n * Assigns all attribute values to the provided element via the inferred renderer.\n *\n * This function accepts two forms of attribute entries:\n *\n * default: (key, value):\n * attrs = [key1, value1, key2, value2]\n *\n * namespaced: (NAMESPACE_MARKER, uri, name, value)\n * attrs = [NAMESPACE_MARKER, uri, name, value, NAMESPACE_MARKER, uri, name, value]\n *\n * The `attrs` array can contain a mix of both the default and namespaced entries.\n * The \"default\" values are set without a marker, but if the function comes across\n * a marker value then it will attempt to set a namespaced value. If the marker is\n * not of a namespaced value then the function will quit and return the index value\n * where it stopped during the iteration of the attrs array.\n *\n * See [AttributeMarker] to understand what the namespace marker value is.\n *\n * Note that this instruction does not support assigning style and class values to\n * an element. See `elementStart` and `elementHostAttrs` to learn how styling values\n * are applied to an element.\n * @param renderer The renderer to be used\n * @param native The element that the attributes will be assigned to\n * @param attrs The attribute array of values that will be assigned to the element\n * @returns the index value that was last accessed in the attributes array\n */\nexport function setUpAttributes(renderer: Renderer, native: RElement, attrs: TAttributes): number {\n let i = 0;\n while (i < attrs.length) {\n const value = attrs[i];\n if (typeof value === 'number') {\n // only namespaces are supported. Other value types (such as style/class\n // entries) are not supported in this function.\n if (value !== AttributeMarker.NamespaceURI) {\n break;\n }\n\n // we just landed on the marker value ... therefore\n // we should skip to the next entry\n i++;\n\n const namespaceURI = attrs[i++] as string;\n const attrName = attrs[i++] as string;\n const attrVal = attrs[i++] as string;\n ngDevMode && ngDevMode.rendererSetAttribute++;\n renderer.setAttribute(native, attrName, attrVal, namespaceURI);\n } else {\n // attrName is string;\n const attrName = value as string;\n const attrVal = attrs[++i];\n // Standard attributes\n ngDevMode && ngDevMode.rendererSetAttribute++;\n if (isAnimationProp(attrName)) {\n renderer.setProperty(native, attrName, attrVal);\n } else {\n renderer.setAttribute(native, attrName, attrVal as string);\n }\n i++;\n }\n }\n\n // another piece of code may iterate over the same attributes array. Therefore\n // it may be helpful to return the exact spot where the attributes array exited\n // whether by running into an unsupported marker or if all the static values were\n // iterated over.\n return i;\n}\n\n/**\n * Test whether the given value is a marker that indicates that the following\n * attribute values in a `TAttributes` array are only the names of attributes,\n * and not name-value pairs.\n * @param marker The attribute marker to test.\n * @returns true if the marker is a \"name-only\" marker (e.g. `Bindings`, `Template` or `I18n`).\n */\nexport function isNameOnlyAttributeMarker(marker: string | AttributeMarker | CssSelector) {\n return (\n marker === AttributeMarker.Bindings ||\n marker === AttributeMarker.Template ||\n marker === AttributeMarker.I18n\n );\n}\n\nexport function isAnimationProp(name: string): boolean {\n // Perf note: accessing charCodeAt to check for the first character of a string is faster as\n // compared to accessing a character at index 0 (ex. name[0]). The main reason for this is that\n // charCodeAt doesn't allocate memory to return a substring.\n return name.charCodeAt(0) === CharCode.AT_SIGN;\n}\n\n/**\n * Merges `src` `TAttributes` into `dst` `TAttributes` removing any duplicates in the process.\n *\n * This merge function keeps the order of attrs same.\n *\n * @param dst Location of where the merged `TAttributes` should end up.\n * @param src `TAttributes` which should be appended to `dst`\n */\nexport function mergeHostAttrs(\n dst: TAttributes | null,\n src: TAttributes | null,\n): TAttributes | null {\n if (src === null || src.length === 0) {\n // do nothing\n } else if (dst === null || dst.length === 0) {\n // We have source, but dst is empty, just make a copy.\n dst = src.slice();\n } else {\n let srcMarker: AttributeMarker = AttributeMarker.ImplicitAttributes;\n for (let i = 0; i < src.length; i++) {\n const item = src[i];\n if (typeof item === 'number') {\n srcMarker = item;\n } else {\n if (srcMarker === AttributeMarker.NamespaceURI) {\n // Case where we need to consume `key1`, `key2`, `value` items.\n } else if (\n srcMarker === AttributeMarker.ImplicitAttributes ||\n srcMarker === AttributeMarker.Styles\n ) {\n // Case where we have to consume `key1` and `value` only.\n mergeHostAttribute(dst, srcMarker, item as string, null, src[++i] as string);\n } else {\n // Case where we have to consume `key1` only.\n mergeHostAttribute(dst, srcMarker, item as string, null, null);\n }\n }\n }\n }\n return dst;\n}\n\n/**\n * Append `key`/`value` to existing `TAttributes` taking region marker and duplicates into account.\n *\n * @param dst `TAttributes` to append to.\n * @param marker Region where the `key`/`value` should be added.\n * @param key1 Key to add to `TAttributes`\n * @param key2 Key to add to `TAttributes` (in case of `AttributeMarker.NamespaceURI`)\n * @param value Value to add or to overwrite to `TAttributes` Only used if `marker` is not Class.\n */\nexport function mergeHostAttribute(\n dst: TAttributes,\n marker: AttributeMarker,\n key1: string,\n key2: string | null,\n value: string | null,\n): void {\n let i = 0;\n // Assume that new markers will be inserted at the end.\n let markerInsertPosition = dst.length;\n // scan until correct type.\n if (marker === AttributeMarker.ImplicitAttributes) {\n markerInsertPosition = -1;\n } else {\n while (i < dst.length) {\n const dstValue = dst[i++];\n if (typeof dstValue === 'number') {\n if (dstValue === marker) {\n markerInsertPosition = -1;\n break;\n } else if (dstValue > marker) {\n // We need to save this as we want the markers to be inserted in specific order.\n markerInsertPosition = i - 1;\n break;\n }\n }\n }\n }\n\n // search until you find place of insertion\n while (i < dst.length) {\n const item = dst[i];\n if (typeof item === 'number') {\n // since `i` started as the index after the marker, we did not find it if we are at the next\n // marker\n break;\n } else if (item === key1) {\n // We already have same token\n if (key2 === null) {\n if (value !== null) {\n dst[i + 1] = value;\n }\n return;\n } else if (key2 === dst[i + 1]) {\n dst[i + 2] = value!;\n return;\n }\n }\n // Increment counter.\n i++;\n if (key2 !== null) i++;\n if (value !== null) i++;\n }\n\n // insert at location.\n if (markerInsertPosition !== -1) {\n dst.splice(markerInsertPosition, 0, marker);\n i = markerInsertPosition + 1;\n }\n dst.splice(i++, 0, key1);\n if (key2 !== null) {\n dst.splice(i++, 0, key2);\n }\n if (value !== null) {\n dst.splice(i++, 0, value);\n }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport '../util/ng_dev_mode';\n\nimport {assertDefined, assertEqual, assertNotEqual} from '../util/assert';\n\nimport {AttributeMarker} from './interfaces/attribute_marker';\nimport {TAttributes, TNode, TNodeType} from './interfaces/node';\nimport {CssSelector, CssSelectorList, SelectorFlags} from './interfaces/projection';\nimport {classIndexOf} from './styling/class_differ';\nimport {isNameOnlyAttributeMarker} from './util/attrs_utils';\n\nconst NG_TEMPLATE_SELECTOR = 'ng-template';\n\n/**\n * Search the `TAttributes` to see if it contains `cssClassToMatch` (case insensitive)\n *\n * @param tNode static data of the node to match\n * @param attrs `TAttributes` to search through.\n * @param cssClassToMatch class to match (lowercase)\n * @param isProjectionMode Whether or not class matching should look into the attribute `class` in\n * addition to the `AttributeMarker.Classes`.\n */\nfunction isCssClassMatching(\n tNode: TNode,\n attrs: TAttributes,\n cssClassToMatch: string,\n isProjectionMode: boolean,\n): boolean {\n ngDevMode &&\n assertEqual(\n cssClassToMatch,\n cssClassToMatch.toLowerCase(),\n 'Class name expected to be lowercase.',\n );\n let i = 0;\n if (isProjectionMode) {\n for (; i < attrs.length && typeof attrs[i] === 'string'; i += 2) {\n // Search for an implicit `class` attribute and check if its value matches `cssClassToMatch`.\n if (\n attrs[i] === 'class' &&\n classIndexOf((attrs[i + 1] as string).toLowerCase(), cssClassToMatch, 0) !== -1\n ) {\n return true;\n }\n }\n } else if (isInlineTemplate(tNode)) {\n // Matching directives (i.e. when not matching for projection mode) should not consider the\n // class bindings that are present on inline templates, as those class bindings only target\n // the root node of the template, not the template itself.\n return false;\n }\n\n // Resume the search for classes after the `Classes` marker.\n i = attrs.indexOf(AttributeMarker.Classes, i);\n if (i > -1) {\n // We found the classes section. Start searching for the class.\n let item: TAttributes[number];\n while (++i < attrs.length && typeof (item = attrs[i]) === 'string') {\n if (item.toLowerCase() === cssClassToMatch) {\n return true;\n }\n }\n }\n return false;\n}\n\n/**\n * Checks whether the `tNode` represents an inline template (e.g. `*ngFor`).\n *\n * @param tNode current TNode\n */\nexport function isInlineTemplate(tNode: TNode): boolean {\n return tNode.type === TNodeType.Container && tNode.value !== NG_TEMPLATE_SELECTOR;\n}\n\n/**\n * Function that checks whether a given tNode matches tag-based selector and has a valid type.\n *\n * Matching can be performed in 2 modes: projection mode (when we project nodes) and regular\n * directive matching mode:\n * - in the \"directive matching\" mode we do _not_ take TContainer's tagName into account if it is\n * different from NG_TEMPLATE_SELECTOR (value different from NG_TEMPLATE_SELECTOR indicates that a\n * tag name was extracted from * syntax so we would match the same directive twice);\n * - in the \"projection\" mode, we use a tag name potentially extracted from the * syntax processing\n * (applicable to TNodeType.Container only).\n */\nfunction hasTagAndTypeMatch(\n tNode: TNode,\n currentSelector: string,\n isProjectionMode: boolean,\n): boolean {\n const tagNameToCompare =\n tNode.type === TNodeType.Container && !isProjectionMode ? NG_TEMPLATE_SELECTOR : tNode.value;\n return currentSelector === tagNameToCompare;\n}\n\n/**\n * A utility function to match an Ivy node static data against a simple CSS selector\n *\n * @param tNode static data of the node to match\n * @param selector The selector to try matching against the node.\n * @param isProjectionMode if `true` we are matching for content projection, otherwise we are doing\n * directive matching.\n * @returns true if node matches the selector.\n */\nexport function isNodeMatchingSelector(\n tNode: TNode,\n selector: CssSelector,\n isProjectionMode: boolean,\n): boolean {\n ngDevMode && assertDefined(selector[0], 'Selector should have a tag name');\n let mode: SelectorFlags = SelectorFlags.ELEMENT;\n const nodeAttrs = tNode.attrs;\n\n // Find the index of first attribute that has no value, only a name.\n const nameOnlyMarkerIdx = nodeAttrs !== null ? getNameOnlyMarkerIndex(nodeAttrs) : 0;\n\n // When processing \":not\" selectors, we skip to the next \":not\" if the\n // current one doesn't match\n let skipToNextSelector = false;\n\n for (let i = 0; i < selector.length; i++) {\n const current = selector[i];\n if (typeof current === 'number') {\n // If we finish processing a :not selector and it hasn't failed, return false\n if (!skipToNextSelector && !isPositive(mode) && !isPositive(current)) {\n return false;\n }\n // If we are skipping to the next :not() and this mode flag is positive,\n // it's a part of the current :not() selector, and we should keep skipping\n if (skipToNextSelector && isPositive(current)) continue;\n skipToNextSelector = false;\n mode = (current as number) | (mode & SelectorFlags.NOT);\n continue;\n }\n\n if (skipToNextSelector) continue;\n\n if (mode & SelectorFlags.ELEMENT) {\n mode = SelectorFlags.ATTRIBUTE | (mode & SelectorFlags.NOT);\n if (\n (current !== '' && !hasTagAndTypeMatch(tNode, current, isProjectionMode)) ||\n (current === '' && selector.length === 1)\n ) {\n if (isPositive(mode)) return false;\n skipToNextSelector = true;\n }\n } else if (mode & SelectorFlags.CLASS) {\n if (nodeAttrs === null || !isCssClassMatching(tNode, nodeAttrs, current, isProjectionMode)) {\n if (isPositive(mode)) return false;\n skipToNextSelector = true;\n }\n } else {\n const selectorAttrValue = selector[++i];\n const attrIndexInNode = findAttrIndexInNode(\n current,\n nodeAttrs,\n isInlineTemplate(tNode),\n isProjectionMode,\n );\n\n if (attrIndexInNode === -1) {\n if (isPositive(mode)) return false;\n skipToNextSelector = true;\n continue;\n }\n\n if (selectorAttrValue !== '') {\n let nodeAttrValue: string;\n if (attrIndexInNode > nameOnlyMarkerIdx) {\n nodeAttrValue = '';\n } else {\n ngDevMode &&\n assertNotEqual(\n nodeAttrs![attrIndexInNode],\n AttributeMarker.NamespaceURI,\n 'We do not match directives on namespaced attributes',\n );\n // we lowercase the attribute value to be able to match\n // selectors without case-sensitivity\n // (selectors are already in lowercase when generated)\n nodeAttrValue = (nodeAttrs![attrIndexInNode + 1] as string).toLowerCase();\n }\n\n if (mode & SelectorFlags.ATTRIBUTE && selectorAttrValue !== nodeAttrValue) {\n if (isPositive(mode)) return false;\n skipToNextSelector = true;\n }\n }\n }\n }\n\n return isPositive(mode) || skipToNextSelector;\n}\n\nfunction isPositive(mode: SelectorFlags): boolean {\n return (mode & SelectorFlags.NOT) === 0;\n}\n\n/**\n * Examines the attribute's definition array for a node to find the index of the\n * attribute that matches the given `name`.\n *\n * NOTE: This will not match namespaced attributes.\n *\n * Attribute matching depends upon `isInlineTemplate` and `isProjectionMode`.\n * The following table summarizes which types of attributes we attempt to match:\n *\n * ===========================================================================================================\n * Modes | Normal Attributes | Bindings Attributes | Template Attributes | I18n\n * Attributes\n * ===========================================================================================================\n * Inline + Projection | YES | YES | NO | YES\n * -----------------------------------------------------------------------------------------------------------\n * Inline + Directive | NO | NO | YES | NO\n * -----------------------------------------------------------------------------------------------------------\n * Non-inline + Projection | YES | YES | NO | YES\n * -----------------------------------------------------------------------------------------------------------\n * Non-inline + Directive | YES | YES | NO | YES\n * ===========================================================================================================\n *\n * @param name the name of the attribute to find\n * @param attrs the attribute array to examine\n * @param isInlineTemplate true if the node being matched is an inline template (e.g. `*ngFor`)\n * rather than a manually expanded template node (e.g ``).\n * @param isProjectionMode true if we are matching against content projection otherwise we are\n * matching against directives.\n */\nfunction findAttrIndexInNode(\n name: string,\n attrs: TAttributes | null,\n isInlineTemplate: boolean,\n isProjectionMode: boolean,\n): number {\n if (attrs === null) return -1;\n\n let i = 0;\n\n if (isProjectionMode || !isInlineTemplate) {\n let bindingsMode = false;\n while (i < attrs.length) {\n const maybeAttrName = attrs[i];\n if (maybeAttrName === name) {\n return i;\n } else if (\n maybeAttrName === AttributeMarker.Bindings ||\n maybeAttrName === AttributeMarker.I18n\n ) {\n bindingsMode = true;\n } else if (\n maybeAttrName === AttributeMarker.Classes ||\n maybeAttrName === AttributeMarker.Styles\n ) {\n let value = attrs[++i];\n // We should skip classes here because we have a separate mechanism for\n // matching classes in projection mode.\n while (typeof value === 'string') {\n value = attrs[++i];\n }\n continue;\n } else if (maybeAttrName === AttributeMarker.Template) {\n // We do not care about Template attributes in this scenario.\n break;\n } else if (maybeAttrName === AttributeMarker.NamespaceURI) {\n // Skip the whole namespaced attribute and value. This is by design.\n i += 4;\n continue;\n }\n // In binding mode there are only names, rather than name-value pairs.\n i += bindingsMode ? 1 : 2;\n }\n // We did not match the attribute\n return -1;\n } else {\n return matchTemplateAttribute(attrs, name);\n }\n}\n\nexport function isNodeMatchingSelectorList(\n tNode: TNode,\n selector: CssSelectorList,\n isProjectionMode: boolean = false,\n): boolean {\n for (let i = 0; i < selector.length; i++) {\n if (isNodeMatchingSelector(tNode, selector[i], isProjectionMode)) {\n return true;\n }\n }\n\n return false;\n}\n\nexport function getProjectAsAttrValue(tNode: TNode): CssSelector | null {\n const nodeAttrs = tNode.attrs;\n if (nodeAttrs != null) {\n const ngProjectAsAttrIdx = nodeAttrs.indexOf(AttributeMarker.ProjectAs);\n // only check for ngProjectAs in attribute names, don't accidentally match attribute's value\n // (attribute names are stored at even indexes)\n if ((ngProjectAsAttrIdx & 1) === 0) {\n return nodeAttrs[ngProjectAsAttrIdx + 1] as CssSelector;\n }\n }\n return null;\n}\n\nfunction getNameOnlyMarkerIndex(nodeAttrs: TAttributes) {\n for (let i = 0; i < nodeAttrs.length; i++) {\n const nodeAttr = nodeAttrs[i];\n if (isNameOnlyAttributeMarker(nodeAttr)) {\n return i;\n }\n }\n return nodeAttrs.length;\n}\n\nfunction matchTemplateAttribute(attrs: TAttributes, name: string): number {\n let i = attrs.indexOf(AttributeMarker.Template);\n if (i > -1) {\n i++;\n while (i < attrs.length) {\n const attr = attrs[i];\n // Return in case we checked all template attrs and are switching to the next section in the\n // attrs array (that starts with a number that represents an attribute marker).\n if (typeof attr === 'number') return -1;\n if (attr === name) return i;\n i++;\n }\n }\n return -1;\n}\n\n/**\n * Checks whether a selector is inside a CssSelectorList\n * @param selector Selector to be checked.\n * @param list List in which to look for the selector.\n */\nexport function isSelectorInSelectorList(selector: CssSelector, list: CssSelectorList): boolean {\n selectorListLoop: for (let i = 0; i < list.length; i++) {\n const currentSelectorInList = list[i];\n if (selector.length !== currentSelectorInList.length) {\n continue;\n }\n for (let j = 0; j < selector.length; j++) {\n if (selector[j] !== currentSelectorInList[j]) {\n continue selectorListLoop;\n }\n }\n return true;\n }\n return false;\n}\n\nfunction maybeWrapInNotSelector(isNegativeMode: boolean, chunk: string): string {\n return isNegativeMode ? ':not(' + chunk.trim() + ')' : chunk;\n}\n\nfunction stringifyCSSSelector(selector: CssSelector): string {\n let result = selector[0] as string;\n let i = 1;\n let mode = SelectorFlags.ATTRIBUTE;\n let currentChunk = '';\n let isNegativeMode = false;\n while (i < selector.length) {\n let valueOrMarker = selector[i];\n if (typeof valueOrMarker === 'string') {\n if (mode & SelectorFlags.ATTRIBUTE) {\n const attrValue = selector[++i] as string;\n currentChunk +=\n '[' + valueOrMarker + (attrValue.length > 0 ? '=\"' + attrValue + '\"' : '') + ']';\n } else if (mode & SelectorFlags.CLASS) {\n currentChunk += '.' + valueOrMarker;\n } else if (mode & SelectorFlags.ELEMENT) {\n currentChunk += ' ' + valueOrMarker;\n }\n } else {\n //\n // Append current chunk to the final result in case we come across SelectorFlag, which\n // indicates that the previous section of a selector is over. We need to accumulate content\n // between flags to make sure we wrap the chunk later in :not() selector if needed, e.g.\n // ```\n // ['', Flags.CLASS, '.classA', Flags.CLASS | Flags.NOT, '.classB', '.classC']\n // ```\n // should be transformed to `.classA :not(.classB .classC)`.\n //\n // Note: for negative selector part, we accumulate content between flags until we find the\n // next negative flag. This is needed to support a case where `:not()` rule contains more than\n // one chunk, e.g. the following selector:\n // ```\n // ['', Flags.ELEMENT | Flags.NOT, 'p', Flags.CLASS, 'foo', Flags.CLASS | Flags.NOT, 'bar']\n // ```\n // should be stringified to `:not(p.foo) :not(.bar)`\n //\n if (currentChunk !== '' && !isPositive(valueOrMarker)) {\n result += maybeWrapInNotSelector(isNegativeMode, currentChunk);\n currentChunk = '';\n }\n mode = valueOrMarker;\n // According to CssSelector spec, once we come across `SelectorFlags.NOT` flag, the negative\n // mode is maintained for remaining chunks of a selector.\n isNegativeMode = isNegativeMode || !isPositive(mode);\n }\n i++;\n }\n if (currentChunk !== '') {\n result += maybeWrapInNotSelector(isNegativeMode, currentChunk);\n }\n return result;\n}\n\n/**\n * Generates string representation of CSS selector in parsed form.\n *\n * ComponentDef and DirectiveDef are generated with the selector in parsed form to avoid doing\n * additional parsing at runtime (for example, for directive matching). However in some cases (for\n * example, while bootstrapping a component), a string version of the selector is required to query\n * for the host element on the page. This function takes the parsed form of a selector and returns\n * its string representation.\n *\n * @param selectorList selector in parsed form\n * @returns string representation of a given selector\n */\nexport function stringifyCSSSelectorList(selectorList: CssSelectorList): string {\n return selectorList.map(stringifyCSSSelector).join(',');\n}\n\n/**\n * Extracts attributes and classes information from a given CSS selector.\n *\n * This function is used while creating a component dynamically. In this case, the host element\n * (that is created dynamically) should contain attributes and classes specified in component's CSS\n * selector.\n *\n * @param selector CSS selector in parsed form (in a form of array)\n * @returns object with `attrs` and `classes` fields that contain extracted information\n */\nexport function extractAttrsAndClassesFromSelector(selector: CssSelector): {\n attrs: string[];\n classes: string[];\n} {\n const attrs: string[] = [];\n const classes: string[] = [];\n let i = 1;\n let mode = SelectorFlags.ATTRIBUTE;\n while (i < selector.length) {\n let valueOrMarker = selector[i];\n if (typeof valueOrMarker === 'string') {\n if (mode === SelectorFlags.ATTRIBUTE) {\n if (valueOrMarker !== '') {\n attrs.push(valueOrMarker, selector[++i] as string);\n }\n } else if (mode === SelectorFlags.CLASS) {\n classes.push(valueOrMarker);\n }\n } else {\n // According to CssSelector spec, once we come across `SelectorFlags.NOT` flag, the negative\n // mode is maintained for remaining chunks of a selector. Since attributes and classes are\n // extracted only for \"positive\" part of the selector, we can stop here.\n if (!isPositive(mode)) break;\n mode = valueOrMarker;\n }\n i++;\n }\n return {attrs, classes};\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {ChangeDetectionStrategy} from '../change_detection/constants';\nimport {formatRuntimeError, RuntimeErrorCode} from '../errors';\nimport {Mutable, Type} from '../interface/type';\nimport {NgModuleDef} from '../metadata/ng_module_def';\nimport {SchemaMetadata} from '../metadata/schema';\nimport {ViewEncapsulation} from '../metadata/view';\nimport {noSideEffects} from '../util/closure';\nimport {EMPTY_ARRAY, EMPTY_OBJ} from '../util/empty';\nimport {initNgDevMode} from '../util/ng_dev_mode';\nimport {stringify} from '../util/stringify';\n\nimport {NG_COMP_DEF, NG_DIR_DEF, NG_MOD_DEF, NG_PIPE_DEF} from './fields';\nimport type {\n ComponentDef,\n ComponentDefFeature,\n ComponentTemplate,\n ContentQueriesFunction,\n DependencyTypeList,\n DirectiveDef,\n DirectiveDefFeature,\n DirectiveDefListOrFactory,\n HostBindingsFunction,\n InputTransformFunction,\n PipeDef,\n PipeDefListOrFactory,\n TypeOrFactory,\n ViewQueriesFunction,\n} from './interfaces/definition';\nimport {InputFlags} from './interfaces/input_flags';\nimport type {TAttributes, TConstantsOrFactory} from './interfaces/node';\nimport {CssSelectorList} from './interfaces/projection';\nimport {stringifyCSSSelectorList} from './node_selector_matcher';\n\n/**\n * Map of inputs for a given directive/component.\n *\n * Given:\n * ```\n * class MyComponent {\n * @Input()\n * publicInput1: string;\n *\n * @Input('publicInput2')\n * declaredInput2: string;\n *\n * @Input({transform: (value: boolean) => value ? 1 : 0})\n * transformedInput3: number;\n *\n * signalInput = input(3);\n * }\n * ```\n *\n * is described as:\n * ```\n * {\n * publicInput1: 'publicInput1',\n * declaredInput2: [InputFlags.None, 'declaredInput2', 'publicInput2'],\n * transformedInput3: [\n * InputFlags.None,\n * 'transformedInput3',\n * 'transformedInput3',\n * (value: boolean) => value ? 1 : 0\n * ],\n * signalInput: [InputFlags.SignalBased, \"signalInput\"],\n * }\n * ```\n *\n * Which the minifier may translate to:\n * ```\n * {\n * minifiedPublicInput1: 'publicInput1',\n * minifiedDeclaredInput2: [InputFlags.None, 'publicInput2', 'declaredInput2'],\n * minifiedTransformedInput3: [\n * InputFlags.None,\n * 'transformedInput3',\n * 'transformedInput3',\n * (value: boolean) => value ? 1 : 0\n * ],\n * minifiedSignalInput: [InputFlags.SignalBased, \"signalInput\"],\n * }\n * ```\n *\n * This allows the render to re-construct the minified, public, and declared names\n * of properties.\n *\n * NOTE:\n * - Because declared and public name are usually same we only generate the array\n * `['declared', 'public']` format when they differ, or there is a transform.\n * - The reason why this API and `outputs` API is not the same is that `NgOnChanges` has\n * inconsistent behavior in that it uses declared names rather than minified or public.\n */\ntype DirectiveInputs = {\n [P in keyof T]?: // Basic case. Mapping minified name to public name.\n | string\n // Complex input when there are flags, or differing public name and declared name, or there\n // is a transform. Such inputs are not as common, so the array form is only generated then.\n | [\n flags: InputFlags,\n publicName: string,\n declaredName?: string,\n transform?: InputTransformFunction,\n ];\n};\n\ninterface DirectiveDefinition {\n /**\n * Directive type, needed to configure the injector.\n */\n type: Type;\n\n /** The selectors that will be used to match nodes to this directive. */\n selectors?: CssSelectorList;\n\n /**\n * A map of input names.\n */\n inputs?: DirectiveInputs;\n\n /**\n * A map of output names.\n *\n * The format is in: `{[actualPropertyName: string]:string}`.\n *\n * Which the minifier may translate to: `{[minifiedPropertyName: string]:string}`.\n *\n * This allows the render to re-construct the minified and non-minified names\n * of properties.\n */\n outputs?: {[P in keyof T]?: string};\n\n /**\n * A list of optional features to apply.\n *\n * See: {@link NgOnChangesFeature}, {@link ProvidersFeature}, {@link InheritDefinitionFeature}\n */\n features?: DirectiveDefFeature[];\n\n /**\n * Function executed by the parent template to allow child directive to apply host bindings.\n */\n hostBindings?: HostBindingsFunction;\n\n /**\n * The number of bindings in this directive `hostBindings` (including pure fn bindings).\n *\n * Used to calculate the length of the component's LView array, so we\n * can pre-fill the array and set the host binding start index.\n */\n hostVars?: number;\n\n /**\n * Assign static attribute values to a host element.\n *\n * This property will assign static attribute values as well as class and style\n * values to a host element. Since attribute values can consist of different types of values,\n * the `hostAttrs` array must include the values in the following format:\n *\n * attrs = [\n * // static attributes (like `title`, `name`, `id`...)\n * attr1, value1, attr2, value,\n *\n * // a single namespace value (like `x:id`)\n * NAMESPACE_MARKER, namespaceUri1, name1, value1,\n *\n * // another single namespace value (like `x:name`)\n * NAMESPACE_MARKER, namespaceUri2, name2, value2,\n *\n * // a series of CSS classes that will be applied to the element (no spaces)\n * CLASSES_MARKER, class1, class2, class3,\n *\n * // a series of CSS styles (property + value) that will be applied to the element\n * STYLES_MARKER, prop1, value1, prop2, value2\n * ]\n *\n * All non-class and non-style attributes must be defined at the start of the list\n * first before all class and style values are set. When there is a change in value\n * type (like when classes and styles are introduced) a marker must be used to separate\n * the entries. The marker values themselves are set via entries found in the\n * [AttributeMarker] enum.\n */\n hostAttrs?: TAttributes;\n\n /**\n * Function to create instances of content queries associated with a given directive.\n */\n contentQueries?: ContentQueriesFunction;\n\n /**\n * Additional set of instructions specific to view query processing. This could be seen as a\n * set of instructions to be inserted into the template function.\n */\n viewQuery?: ViewQueriesFunction | null;\n\n /**\n * Defines the name that can be used in the template to assign this directive to a variable.\n *\n * See: {@link Directive.exportAs}\n */\n exportAs?: string[];\n\n /**\n * Whether this directive/component is standalone.\n */\n standalone?: boolean;\n\n /**\n * Whether this directive/component is signal-based.\n */\n signals?: boolean;\n}\n\ninterface ComponentDefinition extends Omit, 'features'> {\n /**\n * The number of nodes, local refs, and pipes in this component template.\n *\n * Used to calculate the length of this component's LView array, so we\n * can pre-fill the array and set the binding start index.\n */\n decls: number;\n\n /**\n * The number of bindings in this component template (including pure fn bindings).\n *\n * Used to calculate the length of this component's LView array, so we\n * can pre-fill the array and set the host binding start index.\n */\n vars: number;\n\n /**\n * Template function use for rendering DOM.\n *\n * This function has following structure.\n *\n * ```\n * function Template(ctx:T, creationMode: boolean) {\n * if (creationMode) {\n * // Contains creation mode instructions.\n * }\n * // Contains binding update instructions\n * }\n * ```\n *\n * Common instructions are:\n * Creation mode instructions:\n * - `elementStart`, `elementEnd`\n * - `text`\n * - `container`\n * - `listener`\n *\n * Binding update instructions:\n * - `bind`\n * - `elementAttribute`\n * - `elementProperty`\n * - `elementClass`\n * - `elementStyle`\n *\n */\n template: ComponentTemplate;\n\n /**\n * Constants for the nodes in the component's view.\n * Includes attribute arrays, local definition arrays etc.\n */\n consts?: TConstantsOrFactory;\n\n /**\n * An array of `ngContent[selector]` values that were found in the template.\n */\n ngContentSelectors?: string[];\n /**\n * A list of optional features to apply.\n *\n * See: {@link NgOnChangesFeature}, {@link ProvidersFeature}\n */\n features?: ComponentDefFeature[];\n\n /**\n * Defines template and style encapsulation options available for Component's {@link Component}.\n */\n encapsulation?: ViewEncapsulation;\n\n /**\n * Defines arbitrary developer-defined data to be stored on a renderer instance.\n * This is useful for renderers that delegate to other renderers.\n *\n * see: animation\n */\n data?: {[kind: string]: any};\n\n /**\n * A set of styles that the component needs to be present for component to render correctly.\n */\n styles?: string[];\n\n /**\n * The strategy that the default change detector uses to detect changes.\n * When set, takes effect the next time change detection is triggered.\n */\n changeDetection?: ChangeDetectionStrategy;\n\n /**\n * Registry of directives, components, and pipes that may be found in this component's view.\n *\n * This property is either an array of types or a function that returns the array of types. This\n * function may be necessary to support forward declarations.\n */\n dependencies?: TypeOrFactory;\n\n /**\n * The set of schemas that declare elements to be allowed in the component's template.\n */\n schemas?: SchemaMetadata[] | null;\n}\n\n/**\n * Create a component definition object.\n *\n *\n * # Example\n * ```\n * class MyComponent {\n * // Generated by Angular Template Compiler\n * // [Symbol] syntax will not be supported by TypeScript until v2.7\n * static ɵcmp = defineComponent({\n * ...\n * });\n * }\n * ```\n * @codeGenApi\n */\nexport function ɵɵdefineComponent(\n componentDefinition: ComponentDefinition,\n): Mutable, keyof ComponentDef> {\n return noSideEffects(() => {\n // Initialize ngDevMode. This must be the first statement in ɵɵdefineComponent.\n // See the `initNgDevMode` docstring for more information.\n (typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode();\n\n const baseDef = getNgDirectiveDef(componentDefinition as DirectiveDefinition);\n const def: Mutable, keyof ComponentDef> = {\n ...baseDef,\n decls: componentDefinition.decls,\n vars: componentDefinition.vars,\n template: componentDefinition.template,\n consts: componentDefinition.consts || null,\n ngContentSelectors: componentDefinition.ngContentSelectors,\n onPush: componentDefinition.changeDetection === ChangeDetectionStrategy.OnPush,\n directiveDefs: null!, // assigned in noSideEffects\n pipeDefs: null!, // assigned in noSideEffects\n dependencies: (baseDef.standalone && componentDefinition.dependencies) || null,\n getStandaloneInjector: null,\n signals: componentDefinition.signals ?? false,\n data: componentDefinition.data || {},\n encapsulation: componentDefinition.encapsulation || ViewEncapsulation.Emulated,\n styles: componentDefinition.styles || EMPTY_ARRAY,\n _: null,\n schemas: componentDefinition.schemas || null,\n tView: null,\n id: '',\n };\n\n initFeatures(def);\n const dependencies = componentDefinition.dependencies;\n def.directiveDefs = extractDefListOrFactory(dependencies, /* pipeDef */ false);\n def.pipeDefs = extractDefListOrFactory(dependencies, /* pipeDef */ true);\n def.id = getComponentId(def);\n\n return def;\n });\n}\n\nexport function extractDirectiveDef(type: Type): DirectiveDef | ComponentDef | null {\n return getComponentDef(type) || getDirectiveDef(type);\n}\n\nfunction nonNull(value: T | null): value is T {\n return value !== null;\n}\n\n/**\n * @codeGenApi\n */\nexport function ɵɵdefineNgModule(def: {\n /** Token representing the module. Used by DI. */\n type: T;\n\n /** List of components to bootstrap. */\n bootstrap?: Type[] | (() => Type[]);\n\n /** List of components, directives, and pipes declared by this module. */\n declarations?: Type[] | (() => Type[]);\n\n /** List of modules or `ModuleWithProviders` imported by this module. */\n imports?: Type[] | (() => Type[]);\n\n /**\n * List of modules, `ModuleWithProviders`, components, directives, or pipes exported by this\n * module.\n */\n exports?: Type[] | (() => Type[]);\n\n /** The set of schemas that declare elements to be allowed in the NgModule. */\n schemas?: SchemaMetadata[] | null;\n\n /** Unique ID for the module that is used with `getModuleFactory`. */\n id?: string | null;\n}): unknown {\n return noSideEffects(() => {\n const res: NgModuleDef = {\n type: def.type,\n bootstrap: def.bootstrap || EMPTY_ARRAY,\n declarations: def.declarations || EMPTY_ARRAY,\n imports: def.imports || EMPTY_ARRAY,\n exports: def.exports || EMPTY_ARRAY,\n transitiveCompileScopes: null,\n schemas: def.schemas || null,\n id: def.id || null,\n };\n return res;\n });\n}\n\n/**\n * Converts binding objects from the `DirectiveDefinition` into more efficient\n * lookup dictionaries that are optimized for the framework runtime.\n *\n * This function converts inputs or output directive information into new objects\n * where the public name conveniently maps to the minified internal field name.\n *\n * For inputs, the input flags are additionally persisted into the new data structure,\n * so that those can be quickly retrieved when needed.\n *\n * e.g. for\n *\n * ```\n * class Comp {\n * @Input()\n * propName1: string;\n *\n * @Input('publicName2')\n * declaredPropName2: number;\n *\n * inputSignal = input(3);\n * }\n * ```\n *\n * will be serialized as\n *\n * ```\n * {\n * propName1: 'propName1',\n * declaredPropName2: ['publicName2', 'declaredPropName2'],\n * inputSignal: [InputFlags.SignalBased, 'inputSignal'],\n * }\n * ```\n *\n * which is than translated by the minifier as:\n *\n * ```\n * {\n * minifiedPropName1: 'propName1',\n * minifiedPropName2: ['publicName2', 'declaredPropName2'],\n * minifiedInputSignal: [InputFlags.SignalBased, 'inputSignal'],\n * }\n * ```\n *\n * becomes: (public name => minifiedName + isSignal if needed)\n *\n * ```\n * {\n * 'propName1': 'minifiedPropName1',\n * 'publicName2': 'minifiedPropName2',\n * 'inputSignal': ['minifiedInputSignal', InputFlags.SignalBased],\n * }\n * ```\n *\n * Optionally the function can take `declaredInputs` which will result\n * in: (public name => declared name)\n *\n * ```\n * {\n * 'propName1': 'propName1',\n * 'publicName2': 'declaredPropName2',\n * 'inputSignal': 'inputSignal',\n * }\n * ```\n *\n\n */\nfunction parseAndConvertBindingsForDefinition(\n obj: DirectiveDefinition['outputs'] | undefined,\n): Record;\nfunction parseAndConvertBindingsForDefinition(\n obj: DirectiveInputs | undefined,\n declaredInputs: Record,\n): Record;\n\nfunction parseAndConvertBindingsForDefinition(\n obj: undefined | DirectiveInputs | DirectiveDefinition['outputs'],\n declaredInputs?: Record,\n): Record {\n if (obj == null) return EMPTY_OBJ as any;\n const newLookup: any = {};\n for (const minifiedKey in obj) {\n if (obj.hasOwnProperty(minifiedKey)) {\n const value = obj[minifiedKey]!;\n let publicName: string;\n let declaredName: string;\n let inputFlags = InputFlags.None;\n\n if (Array.isArray(value)) {\n inputFlags = value[0];\n publicName = value[1];\n declaredName = value[2] ?? publicName; // declared name might not be set to save bytes.\n } else {\n publicName = value;\n declaredName = value;\n }\n\n // For inputs, capture the declared name, or if some flags are set.\n if (declaredInputs) {\n // Perf note: An array is only allocated for the input if there are flags.\n newLookup[publicName] =\n inputFlags !== InputFlags.None ? [minifiedKey, inputFlags] : minifiedKey;\n declaredInputs[publicName] = declaredName as string;\n } else {\n newLookup[publicName] = minifiedKey;\n }\n }\n }\n return newLookup;\n}\n\n/**\n * Create a directive definition object.\n *\n * # Example\n * ```ts\n * class MyDirective {\n * // Generated by Angular Template Compiler\n * // [Symbol] syntax will not be supported by TypeScript until v2.7\n * static ɵdir = ɵɵdefineDirective({\n * ...\n * });\n * }\n * ```\n *\n * @codeGenApi\n */\nexport function ɵɵdefineDirective(\n directiveDefinition: DirectiveDefinition,\n): Mutable, keyof DirectiveDef> {\n return noSideEffects(() => {\n const def = getNgDirectiveDef(directiveDefinition);\n initFeatures(def);\n\n return def;\n });\n}\n\n/**\n * Create a pipe definition object.\n *\n * # Example\n * ```\n * class MyPipe implements PipeTransform {\n * // Generated by Angular Template Compiler\n * static ɵpipe = definePipe({\n * ...\n * });\n * }\n * ```\n * @param pipeDef Pipe definition generated by the compiler\n *\n * @codeGenApi\n */\nexport function ɵɵdefinePipe(pipeDef: {\n /** Name of the pipe. Used for matching pipes in template to pipe defs. */\n name: string;\n\n /** Pipe class reference. Needed to extract pipe lifecycle hooks. */\n type: Type;\n\n /** Whether the pipe is pure. */\n pure?: boolean;\n\n /**\n * Whether the pipe is standalone.\n */\n standalone?: boolean;\n}): unknown {\n return >{\n type: pipeDef.type,\n name: pipeDef.name,\n factory: null,\n pure: pipeDef.pure !== false,\n standalone: pipeDef.standalone === true,\n onDestroy: pipeDef.type.prototype.ngOnDestroy || null,\n };\n}\n\n/**\n * The following getter methods retrieve the definition from the type. Currently the retrieval\n * honors inheritance, but in the future we may change the rule to require that definitions are\n * explicit. This would require some sort of migration strategy.\n */\n\nexport function getComponentDef(type: any): ComponentDef | null {\n return type[NG_COMP_DEF] || null;\n}\n\nexport function getDirectiveDef(type: any): DirectiveDef | null {\n return type[NG_DIR_DEF] || null;\n}\n\nexport function getPipeDef(type: any): PipeDef | null {\n return type[NG_PIPE_DEF] || null;\n}\n\n/**\n * Checks whether a given Component, Directive or Pipe is marked as standalone.\n * This will return false if passed anything other than a Component, Directive, or Pipe class\n * See [this guide](guide/components/importing) for additional information:\n *\n * @param type A reference to a Component, Directive or Pipe.\n * @publicApi\n */\nexport function isStandalone(type: Type): boolean {\n const def = getComponentDef(type) || getDirectiveDef(type) || getPipeDef(type);\n return def !== null ? def.standalone : false;\n}\n\nexport function getNgModuleDef(type: any, throwNotFound: true): NgModuleDef;\nexport function getNgModuleDef(type: any): NgModuleDef | null;\nexport function getNgModuleDef(type: any, throwNotFound?: boolean): NgModuleDef | null {\n const ngModuleDef = type[NG_MOD_DEF] || null;\n if (!ngModuleDef && throwNotFound === true) {\n throw new Error(`Type ${stringify(type)} does not have 'ɵmod' property.`);\n }\n return ngModuleDef;\n}\n\nfunction getNgDirectiveDef(\n directiveDefinition: DirectiveDefinition,\n): Mutable, keyof DirectiveDef> {\n const declaredInputs: Record = {};\n\n return {\n type: directiveDefinition.type,\n providersResolver: null,\n factory: null,\n hostBindings: directiveDefinition.hostBindings || null,\n hostVars: directiveDefinition.hostVars || 0,\n hostAttrs: directiveDefinition.hostAttrs || null,\n contentQueries: directiveDefinition.contentQueries || null,\n declaredInputs: declaredInputs,\n inputTransforms: null,\n inputConfig: directiveDefinition.inputs || EMPTY_OBJ,\n exportAs: directiveDefinition.exportAs || null,\n standalone: directiveDefinition.standalone === true,\n signals: directiveDefinition.signals === true,\n selectors: directiveDefinition.selectors || EMPTY_ARRAY,\n viewQuery: directiveDefinition.viewQuery || null,\n features: directiveDefinition.features || null,\n setInput: null,\n findHostDirectiveDefs: null,\n hostDirectives: null,\n inputs: parseAndConvertBindingsForDefinition(directiveDefinition.inputs, declaredInputs),\n outputs: parseAndConvertBindingsForDefinition(directiveDefinition.outputs),\n debugInfo: null,\n };\n}\n\nfunction initFeatures(\n definition:\n | Mutable, keyof DirectiveDef>\n | Mutable, keyof ComponentDef