refactor(ivy): ngcc - expose the package name from `EntryPoint` (#26236)

PR Close #26236

packages/compiler-cli/src/ngcc/src/packages/entry_point.ts

@@ -27,6 +27,8 @@ export type EntryPointPaths = {
  * to each of the possible entry-point formats.
  */
 export type EntryPoint = EntryPointPaths & {
+  /** The name of the package (e.g. `@angular/core`). */
+  name: string;
   /** The path to the package that contains this entry-point. */
   package: string;
   /** The path to this entry point. */
@@ -36,6 +38,7 @@ export type EntryPoint = EntryPointPaths & {
 };
 
 interface EntryPointPackageJson {
+  name: string;
   fesm2015?: string;
   fesm5?: string;
   esm2015?: string;
@@ -59,8 +62,8 @@ export function getEntryPointInfo(pkgPath: string, entryPoint: string): EntryPoi
 
   // According to https://www.typescriptlang.org/docs/handbook/declaration-files/publishing.html,
   // `types` and `typings` are interchangeable.
-  const {fesm2015, fesm5, esm2015, esm5, main, types, typings = types}: EntryPointPackageJson =
-      JSON.parse(fs.readFileSync(packageJsonPath, 'utf8'));
+  const {name, fesm2015, fesm5, esm2015, esm5, main, types, typings = types}:
+      EntryPointPackageJson = JSON.parse(fs.readFileSync(packageJsonPath, 'utf8'));
 
   // Minimum requirement is that we have esm2015 format and typings.
   if (!typings || !esm2015) {
@@ -74,6 +77,7 @@ export function getEntryPointInfo(pkgPath: string, entryPoint: string): EntryPoi
   }
 
   const entryPointInfo: EntryPoint = {
+    name,
     package: pkgPath,
     path: entryPoint,
     typings: path.resolve(entryPoint, typings),

packages/compiler-cli/src/ngcc/test/packages/build_marker_spec.ts

@@ -94,7 +94,7 @@ function restoreRealFileSystem() {
 }
 
 function createEntryPoint(path: string): EntryPoint {
-  return {path, package: '', typings: ''};
+  return {name: 'some-package', path, package: '', typings: ''};
 }
 
 describe('Marker files', () => {

packages/compiler-cli/src/ngcc/test/packages/entry_point_spec.ts

@@ -18,6 +18,7 @@ describe('getEntryPointInfo()', () => {
      () => {
        const entryPoint = getEntryPointInfo('/some_package', '/some_package/valid_entry_point');
        expect(entryPoint).toEqual({
+         name: 'some-package',
          package: '/some_package',
          path: '/some_package/valid_entry_point',
          typings: `/some_package/valid_entry_point/valid_entry_point.d.ts`,
@@ -83,6 +84,7 @@ function restoreRealFileSystem() {
 
 function createPackageJson(packageName: string, {exclude}: {exclude?: string} = {}): string {
   const packageJson: any = {
+    name: 'some-package',
     typings: `./${packageName}.d.ts`,
     fesm2015: `./fesm2015/${packageName}.js`,
     esm2015: `./esm2015/${packageName}.js`,