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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
Download Patch File Download Diff File Expand all files Collapse all files

29
modules/@angular/compiler/test/metadata_resolver_spec.ts
View File

@ -84,7 +84,7 @@ export function main() {
}
resourceLoader.when('someTemplateUrl', 'someTemplate');
resolver.loadNgModuleDirectiveAndPipeMetadata(SomeModule, false).loading.then(() => {
resolver.loadNgModuleDirectiveAndPipeMetadata(SomeModule, false).then(() => {
const meta = resolver.getDirectiveMetadata(ComponentWithExternalResources);
expect(meta.selector).toEqual('someSelector');
expect(meta.template.styleUrls).toEqual(['someStyleUrl']);
@ -94,29 +94,6 @@ export function main() {
resourceLoader.flush();
})));
it('should wait for external resources of imported modules',
async(inject(
[CompileMetadataResolver, ResourceLoader],
(resolver: CompileMetadataResolver, resourceLoader: MockResourceLoader) => {
@NgModule({
declarations: [ComponentWithExternalResources],
exports: [ComponentWithExternalResources]
})
class SomeImportedModule {
}
@NgModule({imports: [SomeImportedModule]})
class SomeModule {
}
resourceLoader.when('someTemplateUrl', 'someTemplate');
resolver.loadNgModuleDirectiveAndPipeMetadata(SomeModule, false).loading.then(() => {
const meta = resolver.getDirectiveMetadata(ComponentWithExternalResources);
expect(meta.selector).toEqual('someSelector');
});
resourceLoader.flush();
})));
it('should use `./` as base url for templates during runtime compilation if no moduleId is given',
async(inject([CompileMetadataResolver], (resolver: CompileMetadataResolver) => {
@Component({selector: 'someComponent', templateUrl: 'someUrl'})
@ -128,7 +105,7 @@ export function main() {
class SomeModule {
}
resolver.loadNgModuleDirectiveAndPipeMetadata(SomeModule, false).loading.then(() => {
resolver.loadNgModuleDirectiveAndPipeMetadata(SomeModule, false).then(() => {
const value: string =
resolver.getDirectiveMetadata(ComponentWithoutModuleId).template.templateUrl;
const expectedEndValue = './someUrl';
@ -329,7 +306,7 @@ export function main() {
class MyModule {
}
const modMeta = resolver.loadNgModuleDirectiveAndPipeMetadata(MyModule, true).ngModule;
const modMeta = resolver.getNgModuleMetadata(MyModule);
expect(modMeta.declaredDirectives.length).toBe(1);
expect(modMeta.declaredDirectives[0].reference).toBe(MyComp);
}));