646b42a113
This commit builds out enough of the JIT compiler to render //packages/core/test/bundling/todo, and allows the tests to run in JIT mode. To play with the app, run: bazel run --define=compile=jit //packages/core/test/bundling/todo:prodserver PR Close #24138
90 lines
3.2 KiB
TypeScript
90 lines
3.2 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {LiteralExpr, R3DependencyMetadata, R3ResolvedDependencyType, WrappedNodeExpr} from '@angular/compiler';
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import {Injector} from '../../di/injector';
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import {Host, Inject, Optional, Self, SkipSelf} from '../../di/metadata';
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import {ElementRef} from '../../linker/element_ref';
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import {TemplateRef} from '../../linker/template_ref';
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import {ViewContainerRef} from '../../linker/view_container_ref';
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import {Attribute} from '../../metadata/di';
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import {ReflectionCapabilities} from '../../reflection/reflection_capabilities';
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import {Type} from '../../type';
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let _reflect: ReflectionCapabilities|null = null;
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export function getReflect(): ReflectionCapabilities {
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return (_reflect = _reflect || new ReflectionCapabilities());
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}
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export function reflectDependencies(type: Type<any>): R3DependencyMetadata[] {
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return convertDependencies(getReflect().parameters(type));
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}
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export function convertDependencies(deps: any[]): R3DependencyMetadata[] {
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return deps.map(dep => reflectDependency(dep));
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}
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function reflectDependency(dep: any | any[]): R3DependencyMetadata {
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const meta: R3DependencyMetadata = {
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token: new LiteralExpr(null),
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host: false,
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optional: false,
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resolved: R3ResolvedDependencyType.Token,
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self: false,
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skipSelf: false,
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};
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function setTokenAndResolvedType(token: any): void {
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if (token === ElementRef) {
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meta.resolved = R3ResolvedDependencyType.ElementRef;
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} else if (token === Injector) {
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meta.resolved = R3ResolvedDependencyType.Injector;
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} else if (token === TemplateRef) {
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meta.resolved = R3ResolvedDependencyType.TemplateRef;
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} else if (token === ViewContainerRef) {
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meta.resolved = R3ResolvedDependencyType.ViewContainerRef;
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} else {
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meta.resolved = R3ResolvedDependencyType.Token;
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}
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meta.token = new WrappedNodeExpr(token);
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}
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if (Array.isArray(dep)) {
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if (dep.length === 0) {
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throw new Error('Dependency array must have arguments.');
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}
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for (let j = 0; j < dep.length; j++) {
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const param = dep[j];
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if (param instanceof Optional || param.__proto__.ngMetadataName === 'Optional') {
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meta.optional = true;
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} else if (param instanceof SkipSelf || param.__proto__.ngMetadataName === 'SkipSelf') {
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meta.skipSelf = true;
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} else if (param instanceof Self || param.__proto__.ngMetadataName === 'Self') {
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meta.self = true;
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} else if (param instanceof Host || param.__proto__.ngMetadataName === 'Host') {
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meta.host = true;
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} else if (param instanceof Inject) {
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meta.token = new WrappedNodeExpr(param.token);
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} else if (param instanceof Attribute) {
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if (param.attributeName === undefined) {
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throw new Error(`Attribute name must be defined.`);
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}
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meta.token = new LiteralExpr(param.attributeName);
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meta.resolved = R3ResolvedDependencyType.Attribute;
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} else {
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setTokenAndResolvedType(param);
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}
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}
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} else {
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setTokenAndResolvedType(dep);
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}
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return meta;
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}
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