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@angular/core

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Angular - the core framework

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/** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc */ /** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import { InjectionToken } from '../di/injection_token'; import { ɵɵinject } from '../di/injector_compatibility'; import { ComponentFactory as viewEngine_ComponentFactory, ComponentRef as viewEngine_ComponentRef } from '../linker/component_factory'; import { ComponentFactoryResolver as viewEngine_ComponentFactoryResolver } from '../linker/component_factory_resolver'; import { ElementRef as viewEngine_ElementRef } from '../linker/element_ref'; import { RendererFactory2 } from '../render/api'; import { Sanitizer } from '../sanitization/security'; import { VERSION } from '../version'; import { NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR } from '../view/provider'; import { assertComponentType } from './assert'; import { LifecycleHooksFeature, createRootComponent, createRootComponentView, createRootContext } from './component'; import { getComponentDef } from './definition'; import { NodeInjector } from './di'; import { addToViewTree, assignTViewNodeToLView, createLView, createTView, elementCreate, locateHostElement, refreshDescendantViews } from './instructions/shared'; import { domRendererFactory3, isProceduralRenderer } from './interfaces/renderer'; import { TVIEW } from './interfaces/view'; import { enterView, leaveView } from './state'; import { defaultScheduler } from './util/misc_utils'; import { getTNode } from './util/view_utils'; import { createElementRef } from './view_engine_compatibility'; import { RootViewRef } from './view_ref'; export class ComponentFactoryResolver extends viewEngine_ComponentFactoryResolver { /** * @param {?=} ngModule The NgModuleRef to which all resolved factories are bound. */ constructor(ngModule) { super(); this.ngModule = ngModule; } /** * @template T * @param {?} component * @return {?} */ resolveComponentFactory(component) { ngDevMode && assertComponentType(component); /** @type {?} */ const componentDef = (/** @type {?} */ (getComponentDef(component))); return new ComponentFactory(componentDef, this.ngModule); } } if (false) { /** * @type {?} * @private */ ComponentFactoryResolver.prototype.ngModule; } /** * @param {?} map * @return {?} */ function toRefArray(map) { /** @type {?} */ const array = []; for (let nonMinified in map) { if (map.hasOwnProperty(nonMinified)) { /** @type {?} */ const minified = map[nonMinified]; array.push({ propName: minified, templateName: nonMinified }); } } return array; } /** * Default {\@link RootContext} for all components rendered with {\@link renderComponent}. * @type {?} */ export const ROOT_CONTEXT = new InjectionToken('ROOT_CONTEXT_TOKEN', { providedIn: 'root', factory: (/** * @return {?} */ () => createRootContext(ɵɵinject(SCHEDULER))) }); /** * A change detection scheduler token for {\@link RootContext}. This token is the default value used * for the default `RootContext` found in the {\@link ROOT_CONTEXT} token. * @type {?} */ export const SCHEDULER = new InjectionToken('SCHEDULER_TOKEN', { providedIn: 'root', factory: (/** * @return {?} */ () => defaultScheduler), }); /** * @param {?} rootViewInjector * @param {?} moduleInjector * @return {?} */ function createChainedInjector(rootViewInjector, moduleInjector) { return { get: (/** * @template T * @param {?} token * @param {?=} notFoundValue * @param {?=} flags * @return {?} */ (token, notFoundValue, flags) => { /** @type {?} */ const value = rootViewInjector.get(token, (/** @type {?} */ (NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)), flags); if (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR || notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) { // Return the value from the root element injector when // - it provides it // (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) // - the module injector should not be checked // (notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) return value; } return moduleInjector.get(token, notFoundValue, flags); }) }; } /** * Render3 implementation of {\@link viewEngine_ComponentFactory}. * @template T */ export class ComponentFactory extends viewEngine_ComponentFactory { /** * @param {?} componentDef The component definition. * @param {?=} ngModule The NgModuleRef to which the factory is bound. */ constructor(componentDef, ngModule) { super(); this.componentDef = componentDef; this.ngModule = ngModule; this.componentType = componentDef.type; this.selector = (/** @type {?} */ (componentDef.selectors[0][0])); this.ngContentSelectors = componentDef.ngContentSelectors ? componentDef.ngContentSelectors : []; this.isBoundToModule = !!ngModule; } /** * @return {?} */ get inputs() { return toRefArray(this.componentDef.inputs); } /** * @return {?} */ get outputs() { return toRefArray(this.componentDef.outputs); } /** * @param {?} injector * @param {?=} projectableNodes * @param {?=} rootSelectorOrNode * @param {?=} ngModule * @return {?} */ create(injector, projectableNodes, rootSelectorOrNode, ngModule) { /** @type {?} */ const isInternalRootView = rootSelectorOrNode === undefined; ngModule = ngModule || this.ngModule; /** @type {?} */ const rootViewInjector = ngModule ? createChainedInjector(injector, ngModule.injector) : injector; /** @type {?} */ const rendererFactory = (/** @type {?} */ (rootViewInjector.get(RendererFactory2, domRendererFactory3))); /** @type {?} */ const sanitizer = rootViewInjector.get(Sanitizer, null); /** @type {?} */ const hostRNode = isInternalRootView ? elementCreate(this.selector, rendererFactory.createRenderer(null, this.componentDef)) : locateHostElement(rendererFactory, rootSelectorOrNode); /** @type {?} */ const rootFlags = this.componentDef.onPush ? 64 /* Dirty */ | 512 /* IsRoot */ : 16 /* CheckAlways */ | 512 /* IsRoot */; // Check whether this Component needs to be isolated from other components, i.e. whether it // should be placed into its own (empty) root context or existing root context should be used. // Note: this is internal-only convention and might change in the future, so it should not be // relied upon externally. /** @type {?} */ const isIsolated = typeof rootSelectorOrNode === 'string' && /^#root-ng-internal-isolated-\d+/.test(rootSelectorOrNode); /** @type {?} */ const rootContext = (isInternalRootView || isIsolated) ? createRootContext() : rootViewInjector.get(ROOT_CONTEXT); /** @type {?} */ const renderer = rendererFactory.createRenderer(hostRNode, this.componentDef); if (rootSelectorOrNode && hostRNode) { ngDevMode && ngDevMode.rendererSetAttribute++; isProceduralRenderer(renderer) ? renderer.setAttribute(hostRNode, 'ng-version', VERSION.full) : hostRNode.setAttribute('ng-version', VERSION.full); } // Create the root view. Uses empty TView and ContentTemplate. /** @type {?} */ const rootLView = createLView(null, createTView(-1, null, 1, 0, null, null, null, null), rootContext, rootFlags, null, null, rendererFactory, renderer, sanitizer, rootViewInjector); // rootView is the parent when bootstrapping /** @type {?} */ const oldLView = enterView(rootLView, null); /** @type {?} */ let component; /** @type {?} */ let tElementNode; // Will become true if the `try` block executes with no errors. /** @type {?} */ let safeToRunHooks = false; try { /** @type {?} */ const componentView = createRootComponentView(hostRNode, this.componentDef, rootLView, rendererFactory, renderer); tElementNode = (/** @type {?} */ (getTNode(0, rootLView))); if (projectableNodes) { // projectable nodes can be passed as array of arrays or an array of iterables (ngUpgrade // case). Here we do normalize passed data structure to be an array of arrays to avoid // complex checks down the line. tElementNode.projection = projectableNodes.map((/** * @param {?} nodesforSlot * @return {?} */ (nodesforSlot) => { return Array.from(nodesforSlot); })); } // TODO: should LifecycleHooksFeature and other host features be generated by the compiler and // executed here? // Angular 5 reference: https://stackblitz.com/edit/lifecycle-hooks-vcref component = createRootComponent(componentView, this.componentDef, rootLView, rootContext, [LifecycleHooksFeature]); addToViewTree(rootLView, componentView); refreshDescendantViews(rootLView); safeToRunHooks = true; } finally { leaveView(oldLView, safeToRunHooks); } /** @type {?} */ const componentRef = new ComponentRef(this.componentType, component, createElementRef(viewEngine_ElementRef, tElementNode, rootLView), rootLView, tElementNode); if (isInternalRootView) { // The host element of the internal root view is attached to the component's host view node (/** @type {?} */ (componentRef.hostView._tViewNode)).child = tElementNode; } return componentRef; } } if (false) { /** @type {?} */ ComponentFactory.prototype.selector; /** @type {?} */ ComponentFactory.prototype.componentType; /** @type {?} */ ComponentFactory.prototype.ngContentSelectors; /** @type {?} */ ComponentFactory.prototype.isBoundToModule; /** * @type {?} * @private */ ComponentFactory.prototype.componentDef; /** * @type {?} * @private */ ComponentFactory.prototype.ngModule; } /** @type {?} */ const componentFactoryResolver = new ComponentFactoryResolver(); /** * Creates a ComponentFactoryResolver and stores it on the injector. Or, if the * ComponentFactoryResolver * already exists, retrieves the existing ComponentFactoryResolver. * * @return {?} The ComponentFactoryResolver instance to use */ export function injectComponentFactoryResolver() { return componentFactoryResolver; } /** * Represents an instance of a Component created via a {\@link ComponentFactory}. * * `ComponentRef` provides access to the Component Instance as well other objects related to this * Component Instance and allows you to destroy the Component Instance via the {\@link #destroy} * method. * * @template T */ export class ComponentRef extends viewEngine_ComponentRef { /** * @param {?} componentType * @param {?} instance * @param {?} location * @param {?} _rootLView * @param {?} _tNode */ constructor(componentType, instance, location, _rootLView, _tNode) { super(); this.location = location; this._rootLView = _rootLView; this._tNode = _tNode; this.destroyCbs = []; this.instance = instance; this.hostView = this.changeDetectorRef = new RootViewRef(_rootLView); this.hostView._tViewNode = assignTViewNodeToLView(_rootLView[TVIEW], null, -1, _rootLView); this.componentType = componentType; } /** * @return {?} */ get injector() { return new NodeInjector(this._tNode, this._rootLView); } /** * @return {?} */ destroy() { if (this.destroyCbs) { this.destroyCbs.forEach((/** * @param {?} fn * @return {?} */ fn => fn())); this.destroyCbs = null; !this.hostView.destroyed && this.hostView.destroy(); } } /** * @param {?} callback * @return {?} */ onDestroy(callback) { if (this.destroyCbs) { this.destroyCbs.push(callback); } } } if (false) { /** @type {?} */ ComponentRef.prototype.destroyCbs; /** @type {?} */ ComponentRef.prototype.instance; /** @type {?} */ ComponentRef.prototype.hostView; /** @type {?} */ ComponentRef.prototype.changeDetectorRef; /** @type {?} */ ComponentRef.prototype.componentType; /** @type {?} */ ComponentRef.prototype.location; /** * @type {?} * @private */ ComponentRef.prototype._rootLView; /** * @type {?} * @private */ ComponentRef.prototype._tNode; } //# 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* @license\n * Copyright Google Inc. 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 {ChangeDetectorRef as ViewEngine_ChangeDetectorRef} from '../change_detection/change_detector_ref';\nimport {InjectionToken} from '../di/injection_token';\nimport {Injector} from '../di/injector';\nimport {ɵɵinject} from '../di/injector_compatibility';\nimport {InjectFlags} from '../di/interface/injector';\nimport {Type} from '../interface/type';\nimport {ComponentFactory as viewEngine_ComponentFactory, ComponentRef as viewEngine_ComponentRef} from '../linker/component_factory';\nimport {ComponentFactoryResolver as viewEngine_ComponentFactoryResolver} from '../linker/component_factory_resolver';\nimport {ElementRef as viewEngine_ElementRef} from '../linker/element_ref';\nimport {NgModuleRef as viewEngine_NgModuleRef} from '../linker/ng_module_factory';\nimport {RendererFactory2} from '../render/api';\nimport {Sanitizer} from '../sanitization/security';\nimport {VERSION} from '../version';\nimport {NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR} from '../view/provider';\n\nimport {assertComponentType} from './assert';\nimport {LifecycleHooksFeature, createRootComponent, createRootComponentView, createRootContext} from './component';\nimport {getComponentDef} from './definition';\nimport {NodeInjector} from './di';\nimport {addToViewTree, assignTViewNodeToLView, createLView, createTView, elementCreate, locateHostElement, refreshDescendantViews} from './instructions/shared';\nimport {ComponentDef} from './interfaces/definition';\nimport {TContainerNode, TElementContainerNode, TElementNode} from './interfaces/node';\nimport {RNode, RendererFactory3, domRendererFactory3, isProceduralRenderer} from './interfaces/renderer';\nimport {LView, LViewFlags, RootContext, TVIEW} from './interfaces/view';\nimport {enterView, leaveView} from './state';\nimport {defaultScheduler} from './util/misc_utils';\nimport {getTNode} from './util/view_utils';\nimport {createElementRef} from './view_engine_compatibility';\nimport {RootViewRef, ViewRef} from './view_ref';\n\nexport class ComponentFactoryResolver extends viewEngine_ComponentFactoryResolver {\n  /**\n   * @param ngModule The NgModuleRef to which all resolved factories are bound.\n   */\n  constructor(private ngModule?: viewEngine_NgModuleRef<any>) { super(); }\n\n  resolveComponentFactory<T>(component: Type<T>): viewEngine_ComponentFactory<T> {\n    ngDevMode && assertComponentType(component);\n    const componentDef = getComponentDef(component) !;\n    return new ComponentFactory(componentDef, this.ngModule);\n  }\n}\n\nfunction toRefArray(map: {[key: string]: string}): {propName: string; templateName: string;}[] {\n  const array: {propName: string; templateName: string;}[] = [];\n  for (let nonMinified in map) {\n    if (map.hasOwnProperty(nonMinified)) {\n      const minified = map[nonMinified];\n      array.push({propName: minified, templateName: nonMinified});\n    }\n  }\n  return array;\n}\n\n/**\n * Default {@link RootContext} for all components rendered with {@link renderComponent}.\n */\nexport const ROOT_CONTEXT = new InjectionToken<RootContext>(\n    'ROOT_CONTEXT_TOKEN',\n    {providedIn: 'root', factory: () => createRootContext(ɵɵinject(SCHEDULER))});\n\n/**\n * A change detection scheduler token for {@link RootContext}. This token is the default value used\n * for the default `RootContext` found in the {@link ROOT_CONTEXT} token.\n */\nexport const SCHEDULER = new InjectionToken<((fn: () => void) => void)>('SCHEDULER_TOKEN', {\n  providedIn: 'root',\n  factory: () => defaultScheduler,\n});\n\nfunction createChainedInjector(rootViewInjector: Injector, moduleInjector: Injector): Injector {\n  return {\n    get: <T>(token: Type<T>| InjectionToken<T>, notFoundValue?: T, flags?: InjectFlags): T => {\n      const value = rootViewInjector.get(token, NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR as T, flags);\n\n      if (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR ||\n          notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) {\n        // Return the value from the root element injector when\n        // - it provides it\n        //   (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)\n        // - the module injector should not be checked\n        //   (notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)\n        return value;\n      }\n\n      return moduleInjector.get(token, notFoundValue, flags);\n    }\n  };\n}\n\n/**\n * Render3 implementation of {@link viewEngine_ComponentFactory}.\n */\nexport class ComponentFactory<T> extends viewEngine_ComponentFactory<T> {\n  selector: string;\n  componentType: Type<any>;\n  ngContentSelectors: string[];\n  isBoundToModule: boolean;\n\n  get inputs(): {propName: string; templateName: string;}[] {\n    return toRefArray(this.componentDef.inputs);\n  }\n\n  get outputs(): {propName: string; templateName: string;}[] {\n    return toRefArray(this.componentDef.outputs);\n  }\n\n  /**\n   * @param componentDef The component definition.\n   * @param ngModule The NgModuleRef to which the factory is bound.\n   */\n  constructor(\n      private componentDef: ComponentDef<any>, private ngModule?: viewEngine_NgModuleRef<any>) {\n    super();\n    this.componentType = componentDef.type;\n    this.selector = componentDef.selectors[0][0] as string;\n    this.ngContentSelectors =\n        componentDef.ngContentSelectors ? componentDef.ngContentSelectors : [];\n    this.isBoundToModule = !!ngModule;\n  }\n\n  create(\n      injector: Injector, projectableNodes?: any[][]|undefined, rootSelectorOrNode?: any,\n      ngModule?: viewEngine_NgModuleRef<any>|undefined): viewEngine_ComponentRef<T> {\n    const isInternalRootView = rootSelectorOrNode === undefined;\n    ngModule = ngModule || this.ngModule;\n\n    const rootViewInjector =\n        ngModule ? createChainedInjector(injector, ngModule.injector) : injector;\n\n    const rendererFactory =\n        rootViewInjector.get(RendererFactory2, domRendererFactory3) as RendererFactory3;\n    const sanitizer = rootViewInjector.get(Sanitizer, null);\n\n    const hostRNode = isInternalRootView ?\n        elementCreate(this.selector, rendererFactory.createRenderer(null, this.componentDef)) :\n        locateHostElement(rendererFactory, rootSelectorOrNode);\n\n    const rootFlags = this.componentDef.onPush ? LViewFlags.Dirty | LViewFlags.IsRoot :\n                                                 LViewFlags.CheckAlways | LViewFlags.IsRoot;\n\n    // Check whether this Component needs to be isolated from other components, i.e. whether it\n    // should be placed into its own (empty) root context or existing root context should be used.\n    // Note: this is internal-only convention and might change in the future, so it should not be\n    // relied upon externally.\n    const isIsolated = typeof rootSelectorOrNode === 'string' &&\n        /^#root-ng-internal-isolated-\\d+/.test(rootSelectorOrNode);\n\n    const rootContext: RootContext = (isInternalRootView || isIsolated) ?\n        createRootContext() :\n        rootViewInjector.get(ROOT_CONTEXT);\n\n    const renderer = rendererFactory.createRenderer(hostRNode, this.componentDef);\n\n    if (rootSelectorOrNode && hostRNode) {\n      ngDevMode && ngDevMode.rendererSetAttribute++;\n      isProceduralRenderer(renderer) ?\n          renderer.setAttribute(hostRNode, 'ng-version', VERSION.full) :\n          hostRNode.setAttribute('ng-version', VERSION.full);\n    }\n\n    // Create the root view. Uses empty TView and ContentTemplate.\n    const rootLView = createLView(\n        null, createTView(-1, null, 1, 0, null, null, null, null), rootContext, rootFlags, null,\n        null, rendererFactory, renderer, sanitizer, rootViewInjector);\n\n    // rootView is the parent when bootstrapping\n    const oldLView = enterView(rootLView, null);\n\n    let component: T;\n    let tElementNode: TElementNode;\n\n    // Will become true if the `try` block executes with no errors.\n    let safeToRunHooks = false;\n    try {\n      const componentView = createRootComponentView(\n          hostRNode, this.componentDef, rootLView, rendererFactory, renderer);\n\n      tElementNode = getTNode(0, rootLView) as TElementNode;\n\n      if (projectableNodes) {\n        // projectable nodes can be passed as array of arrays or an array of iterables (ngUpgrade\n        // case). Here we do normalize passed data structure to be an array of arrays to avoid\n        // complex checks down the line.\n        tElementNode.projection =\n            projectableNodes.map((nodesforSlot: RNode[]) => { return Array.from(nodesforSlot); });\n      }\n\n      // TODO: should LifecycleHooksFeature and other host features be generated by the compiler and\n      // executed here?\n      // Angular 5 reference: https://stackblitz.com/edit/lifecycle-hooks-vcref\n      component = createRootComponent(\n          componentView, this.componentDef, rootLView, rootContext, [LifecycleHooksFeature]);\n\n      addToViewTree(rootLView, componentView);\n      refreshDescendantViews(rootLView);\n      safeToRunHooks = true;\n    } finally {\n      leaveView(oldLView, safeToRunHooks);\n    }\n\n    const componentRef = new ComponentRef(\n        this.componentType, component,\n        createElementRef(viewEngine_ElementRef, tElementNode, rootLView), rootLView, tElementNode);\n\n    if (isInternalRootView) {\n      // The host element of the internal root view is attached to the component's host view node\n      componentRef.hostView._tViewNode !.child = tElementNode;\n    }\n    return componentRef;\n  }\n}\n\nconst componentFactoryResolver: ComponentFactoryResolver = new ComponentFactoryResolver();\n\n/**\n * Creates a ComponentFactoryResolver and stores it on the injector. Or, if the\n * ComponentFactoryResolver\n * already exists, retrieves the existing ComponentFactoryResolver.\n *\n * @returns The ComponentFactoryResolver instance to use\n */\nexport function injectComponentFactoryResolver(): viewEngine_ComponentFactoryResolver {\n  return componentFactoryResolver;\n}\n\n/**\n * Represents an instance of a Component created via a {@link ComponentFactory}.\n *\n * `ComponentRef` provides access to the Component Instance as well other objects related to this\n * Component Instance and allows you to destroy the Component Instance via the {@link #destroy}\n * method.\n *\n */\nexport class ComponentRef<T> extends viewEngine_ComponentRef<T> {\n  destroyCbs: (() => void)[]|null = [];\n  instance: T;\n  hostView: ViewRef<T>;\n  changeDetectorRef: ViewEngine_ChangeDetectorRef;\n  componentType: Type<T>;\n\n  constructor(\n      componentType: Type<T>, instance: T, public location: viewEngine_ElementRef,\n      private _rootLView: LView,\n      private _tNode: TElementNode|TContainerNode|TElementContainerNode) {\n    super();\n    this.instance = instance;\n    this.hostView = this.changeDetectorRef = new RootViewRef<T>(_rootLView);\n    this.hostView._tViewNode = assignTViewNodeToLView(_rootLView[TVIEW], null, -1, _rootLView);\n    this.componentType = componentType;\n  }\n\n  get injector(): Injector { return new NodeInjector(this._tNode, this._rootLView); }\n\n  destroy(): void {\n    if (this.destroyCbs) {\n      this.destroyCbs.forEach(fn => fn());\n      this.destroyCbs = null;\n      !this.hostView.destroyed && this.hostView.destroy();\n    }\n  }\n\n  onDestroy(callback: () => void): void {\n    if (this.destroyCbs) {\n      this.destroyCbs.push(callback);\n    }\n  }\n}\n"]}