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feat(compiler): read and write .ngsummary.json files

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When compiling libraries, this feature extracts the minimal information
from the directives/pipes/modules of the library into `.ngsummary.json` files,
so that applications that use this library only need to be recompiled
if one of the summary files change, but not on every change
of the libraries (e.g. one of the templates).

Only works if individual codegen for libraries is enabled,
see the `generateCodeForLibraries: false` option.

Closes #12787
This commit is contained in:
Tobias Bosch
2016-11-29 15:36:33 -08:00
committed by Alex Rickabaugh
parent 9ab401f4d3
commit 614a35d539
23 changed files with 500 additions and 126 deletions
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10
modules/@angular/compiler/src/jit/compiler.ts
View File

@ -101,18 +101,14 @@ export class JitCompiler implements Compiler {
private _loadModules(mainModule: any, isSync: boolean): Promise<any> {
const loadingPromises: Promise<any>[] = [];
const {ngModule, loading} =
this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(mainModule, isSync);
loadingPromises.push(loading);
const ngModule = this._metadataResolver.getNgModuleMetadata(mainModule);
// Note: the loadingPromise for a module only includes the loading of the exported directives
// of imported modules.
// However, for runtime compilation, we want to transitively compile all modules,
// so we also need to call loadNgModuleMetadata for all nested modules.
ngModule.transitiveModule.modules.forEach((localModuleMeta) => {
loadingPromises.push(
this._metadataResolver
.loadNgModuleDirectiveAndPipeMetadata(localModuleMeta.reference, isSync)
.loading);
loadingPromises.push(this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(
localModuleMeta.reference, isSync));
});
return Promise.all(loadingPromises);
}

2
modules/@angular/compiler/src/jit/compiler_factory.ts
View File

@ -26,6 +26,7 @@ import {ResourceLoader} from '../resource_loader';
import {DomElementSchemaRegistry} from '../schema/dom_element_schema_registry';
import {ElementSchemaRegistry} from '../schema/element_schema_registry';
import {StyleCompiler} from '../style_compiler';
import {SummaryResolver} from '../summary_resolver';
import {TemplateParser} from '../template_parser/template_parser';
import {DEFAULT_PACKAGE_URL_PROVIDER, UrlResolver} from '../url_resolver';
import {ViewCompiler} from '../view_compiler/view_compiler';
@ -46,6 +47,7 @@ export const COMPILER_PROVIDERS: Array<any|Type<any>|{[k: string]: any}|any[]> =
{provide: Reflector, useValue: reflector},
{provide: ReflectorReader, useExisting: Reflector},
{provide: ResourceLoader, useValue: _NO_RESOURCE_LOADER},
SummaryResolver,
Console,
Lexer,
Parser,