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package.impl.ts
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package.impl.ts
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import * as ng from '@angular/compiler-cli';
import type { ExecutorContext } from '@nrwl/devkit';
import { readCachedProjectGraph } from '@nrwl/workspace/src/core/project-graph';
import type { DependentBuildableProjectNode } from '@nrwl/workspace/src/utilities/buildable-libs-utils';
import {
calculateProjectDependencies,
checkDependentProjectsHaveBeenBuilt,
updateBuildableProjectPackageJsonDependencies,
updatePaths,
} from '@nrwl/workspace/src/utilities/buildable-libs-utils';
import type { NgPackagr } from 'ng-packagr';
import { resolve } from 'path';
import { from } from 'rxjs';
import { eachValueFrom } from 'rxjs-for-await';
import { mapTo, switchMap, tap } from 'rxjs/operators';
import type { BuildAngularLibraryExecutorOptions } from './schema';
async function initializeNgPackagr(
options: BuildAngularLibraryExecutorOptions,
context: ExecutorContext,
projectDependencies: DependentBuildableProjectNode[]
): Promise<NgPackagr> {
const packager = (await import('ng-packagr')).ngPackagr();
packager.forProject(resolve(context.root, options.project));
if (options.tsConfig) {
// read the tsconfig and modify its path in memory to
// pass it on to ngpackagr
const parsedTSConfig = ng.readConfiguration(options.tsConfig);
updatePaths(projectDependencies, parsedTSConfig.options.paths);
packager.withTsConfig(parsedTSConfig);
}
return packager;
}
/**
* Creates an executor function that executes the library build of an Angular
* package using ng-packagr.
* @param initializeNgPackagr function that returns an ngPackagr instance to use for the build.
*/
export function createLibraryExecutor(
initializeNgPackagr: (
options: BuildAngularLibraryExecutorOptions,
context: ExecutorContext,
projectDependencies: DependentBuildableProjectNode[]
) => Promise<NgPackagr>
) {
return async function* (
options: BuildAngularLibraryExecutorOptions,
context: ExecutorContext
) {
const { target, dependencies } = calculateProjectDependencies(
readCachedProjectGraph(),
context.root,
context.projectName,
context.targetName,
context.configurationName
);
if (
!checkDependentProjectsHaveBeenBuilt(
context.root,
context.projectName,
context.targetName,
dependencies
)
) {
return Promise.resolve({ success: false });
}
function updatePackageJson(): void {
if (
dependencies.length > 0 &&
options.updateBuildableProjectDepsInPackageJson
) {
updateBuildableProjectPackageJsonDependencies(
context.root,
context.projectName,
context.targetName,
context.configurationName,
target,
dependencies,
options.buildableProjectDepsInPackageJsonType
);
}
}
if (options.watch) {
return yield* eachValueFrom(
from(initializeNgPackagr(options, context, dependencies)).pipe(
switchMap((packagr) => packagr.watch()),
tap(() => updatePackageJson()),
mapTo({ success: true })
)
);
}
return from(initializeNgPackagr(options, context, dependencies))
.pipe(
switchMap((packagr) => packagr.build()),
tap(() => updatePackageJson()),
mapTo({ success: true })
)
.toPromise();
};
}
export const packageExecutor = createLibraryExecutor(initializeNgPackagr);
export default packageExecutor;