95 lines
3.3 KiB
TypeScript
95 lines
3.3 KiB
TypeScript
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/**
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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 {Expression, R3NgModuleMetadata, WrappedNodeExpr, compileNgModule as compileIvyNgModule, jitPatchDefinition} from '@angular/compiler';
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import {ModuleWithProviders, NgModule, NgModuleDef} from '../../metadata/ng_module';
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import {Type} from '../../type';
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import {ComponentDef} from '../interfaces/definition';
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import {flatten} from '../util';
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import {angularCoreEnv} from './environment';
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const EMPTY_ARRAY: Type<any>[] = [];
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export function compileNgModule(type: Type<any>, ngModule: NgModule): void {
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const meta: R3NgModuleMetadata = {
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type: wrap(type),
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bootstrap: flatten(ngModule.bootstrap || EMPTY_ARRAY).map(wrap),
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declarations: flatten(ngModule.declarations || EMPTY_ARRAY).map(wrap),
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imports: flatten(ngModule.imports || EMPTY_ARRAY).map(expandModuleWithProviders).map(wrap),
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exports: flatten(ngModule.exports || EMPTY_ARRAY).map(expandModuleWithProviders).map(wrap),
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emitInline: true,
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};
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const res = compileIvyNgModule(meta);
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// Compute transitiveCompileScope
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const transitiveCompileScope = {
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directives: [] as any[],
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pipes: [] as any[],
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};
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flatten(ngModule.declarations || EMPTY_ARRAY).forEach(decl => {
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if (decl.ngPipeDef) {
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transitiveCompileScope.pipes.push(decl);
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} else if (decl.ngComponentDef) {
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transitiveCompileScope.directives.push(decl);
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patchComponentWithScope(decl, type as any);
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} else {
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transitiveCompileScope.directives.push(decl);
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decl.ngSelectorScope = type;
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}
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});
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function addExportsFrom(module: Type<any>& {ngModuleDef: NgModuleDef<any>}): void {
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module.ngModuleDef.exports.forEach((exp: any) => {
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if (isNgModule(exp)) {
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addExportsFrom(exp);
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} else if (exp.ngPipeDef) {
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transitiveCompileScope.pipes.push(exp);
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} else {
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transitiveCompileScope.directives.push(exp);
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}
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});
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}
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flatten([(ngModule.imports || EMPTY_ARRAY), (ngModule.exports || EMPTY_ARRAY)])
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.filter(importExport => isNgModule(importExport))
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.forEach(mod => addExportsFrom(mod));
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jitPatchDefinition(type, 'ngModuleDef', res.expression, angularCoreEnv);
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((type as any).ngModuleDef as NgModuleDef<any>).transitiveCompileScope = transitiveCompileScope;
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}
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export function patchComponentWithScope<C, M>(
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component: Type<C>& {ngComponentDef: ComponentDef<C>},
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module: Type<M>& {ngModuleDef: NgModuleDef<M>}) {
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component.ngComponentDef.directiveDefs = () =>
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module.ngModuleDef.transitiveCompileScope !.directives.map(
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dir => dir.ngDirectiveDef || dir.ngComponentDef);
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component.ngComponentDef.pipeDefs = () =>
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module.ngModuleDef.transitiveCompileScope !.pipes.map(pipe => pipe.ngPipeDef);
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}
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function expandModuleWithProviders(value: Type<any>| ModuleWithProviders): Type<any> {
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if (isModuleWithProviders(value)) {
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return value.ngModule;
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}
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return value;
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}
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function wrap(value: Type<any>): Expression {
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return new WrappedNodeExpr(value);
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}
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function isModuleWithProviders(value: any): value is ModuleWithProviders {
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return value.ngModule !== undefined;
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}
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function isNgModule(value: any): value is Type<any>&{ngModuleDef: NgModuleDef<any>} {
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return value.ngModuleDef !== undefined;
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}
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