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Commit0ab1ddf

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feat(@schematics/angular): generate libraries using TypeScript project references
When generating a project (via `ng generate library`), thecreated TypeScript configuration files (`tsconfig.lib.json`/`tsconfig.spec.json`)will be setup as composite projects and added as project references in the root`tsconfig.json`. This transforms the root `tsconfig.json` into a "solution" styleconfiguration. This allows IDEs to more accurately discover and provide type informationfor the varying types of files (test, library, etc.) within each project.The Angular build process is otherwise unaffected by these changes.
1 parent84e7267 commit0ab1ddf

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4 files changed

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-2
lines changed

4 files changed

+43
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‎packages/schematics/angular/library/files/tsconfig.lib.json.template‎

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@@ -9,6 +9,9 @@
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"inlineSources": true,
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"types": []
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},
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"include": [
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"src/**/*.ts"
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],
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"exclude": [
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"**/*.spec.ts"
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]

‎packages/schematics/angular/library/files/tsconfig.spec.json.template‎

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@@ -9,7 +9,6 @@
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]
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},
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"include": [
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"**/*.spec.ts",
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"**/*.d.ts"
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"src/**/*.ts"
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]
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}

‎packages/schematics/angular/library/index.ts‎

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@@ -43,6 +43,21 @@ function updateTsConfig(packageName: string, ...paths: string[]) {
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};
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}
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functionaddTsProjectReference(...paths:string[]){
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return(host:Tree)=>{
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if(!host.exists('tsconfig.json')){
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returnhost;
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}
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constnewReferences=paths.map((path)=>({ path}));
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constfile=newJSONFile(host,'tsconfig.json');
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constjsonPath=['references'];
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constvalue=file.get(jsonPath);
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file.modify(jsonPath,Array.isArray(value) ?[...value, ...newReferences] :newReferences);
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};
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}
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functionaddDependenciesToPackageJson(){
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return(host:Tree)=>{
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[
@@ -162,6 +177,12 @@ export default function (options: LibraryOptions): Rule {
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addLibToWorkspaceFile(options,libDir,packageName),
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options.skipPackageJson ?noop() :addDependenciesToPackageJson(),
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options.skipTsConfig ?noop() :updateTsConfig(packageName,'./'+distRoot),
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options.skipTsConfig
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?noop()
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:addTsProjectReference(
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'./'+join(libDir,'tsconfig.lib.json'),
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'./'+join(libDir,'tsconfig.spec.json'),
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),
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options.standalone
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?noop()
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:schematic('module',{

‎packages/schematics/angular/library/index_spec.ts‎

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@@ -293,6 +293,24 @@ describe('Library Schematic', () => {
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consttsConfigJson=getJsonFileContent(tree,'tsconfig.json');
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expect(tsConfigJson.compilerOptions.paths).toBeUndefined();
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expect(tsConfigJson.references).not.toContain(
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jasmine.objectContaining({path:'./projects/foo/tsconfig.lib.json'}),
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);
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expect(tsConfigJson.references).not.toContain(
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jasmine.objectContaining({path:'./projects/foo/tsconfig.spec.json'}),
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);
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});
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it('should add project references in the root tsconfig.json',async()=>{
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consttree=awaitschematicRunner.runSchematic('library',defaultOptions,workspaceTree);
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const{ references}=getJsonFileContent(tree,'/tsconfig.json');
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expect(references).toContain(
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jasmine.objectContaining({path:'./projects/foo/tsconfig.lib.json'}),
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);
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expect(references).toContain(
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jasmine.objectContaining({path:'./projects/foo/tsconfig.spec.json'}),
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);
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});
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});
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