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swc.impl.ts
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swc.impl.ts
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import { ExecutorContext, logger } from '@nrwl/devkit';
import {
assetGlobsToFiles,
FileInputOutput,
} from '@nrwl/workspace/src/utilities/assets';
import { join, relative, resolve } from 'path';
import { checkDependencies } from '../../utils/check-dependencies';
import { CopyAssetsHandler } from '../../utils/copy-assets-handler';
import {
NormalizedSwcExecutorOptions,
SwcExecutorOptions,
} from '../../utils/schema';
import { addTempSwcrc } from '../../utils/swc/add-temp-swcrc';
import { compileSwc, compileSwcWatch } from '../../utils/swc/compile-swc';
import { updatePackageJson } from '../../utils/update-package-json';
import { watchForSingleFileChanges } from '../../utils/watch-for-single-file-changes';
function normalizeOptions(
options: SwcExecutorOptions,
layoutDir: string,
contextRoot: string,
sourceRoot?: string,
projectRoot?: string
): NormalizedSwcExecutorOptions {
const outputPath = join(contextRoot, options.outputPath);
if (options.skipTypeCheck == null) {
options.skipTypeCheck = false;
}
if (options.watch == null) {
options.watch = false;
}
const files: FileInputOutput[] = assetGlobsToFiles(
options.assets,
contextRoot,
outputPath
);
/**
* Reduce outputPath to root of layout dir (libsDir/appsDir)
* in desired build output dir (default is dist)
*
* dist/packages/lib-one -> dist/packages
* build/packages/lib-one -> build/packages
* dist/packages/lib-one/nested/nested-lib-one -> dist/packages
* dist/libs/lib-one -> dist/libs
* dist/apps/app-one -> dist/apps
*/
const swcDestPath =
options.outputPath.substring(0, options.outputPath.indexOf(layoutDir)) +
layoutDir;
const swcCliOptions = {
srcPath: projectRoot,
destPath: swcDestPath,
swcrcPath: join(projectRoot, '.swcrc'),
};
return {
...options,
mainOutputPath: resolve(
outputPath,
options.main.replace(`${projectRoot}/`, '').replace('.ts', '.js')
),
files,
root: contextRoot,
sourceRoot,
projectRoot,
outputPath,
tsConfig: join(contextRoot, options.tsConfig),
swcCliOptions,
} as NormalizedSwcExecutorOptions;
}
function processAssetsAndPackageJsonOnce(
assetHandler: CopyAssetsHandler,
options: NormalizedSwcExecutorOptions,
projectRoot: string
) {
return async () => {
await assetHandler.processAllAssetsOnce();
updatePackageJson(
options.main,
options.outputPath,
projectRoot,
!options.skipTypeCheck
);
};
}
export async function* swcExecutor(
_options: SwcExecutorOptions,
context: ExecutorContext
) {
const { sourceRoot, root, projectType } =
context.workspace.projects[context.projectName];
const layoutDir =
projectType === 'library'
? context.workspace.workspaceLayout.libsDir
: context.workspace.workspaceLayout.appsDir;
const options = normalizeOptions(
_options,
layoutDir,
context.root,
sourceRoot,
root
);
options.swcCliOptions.swcrcPath = addTempSwcrc(options);
const { tmpTsConfig, projectRoot } = checkDependencies(
context,
options.tsConfig
);
if (tmpTsConfig) {
options.tsConfig = tmpTsConfig;
}
const assetHandler = new CopyAssetsHandler({
projectDir: projectRoot,
rootDir: context.root,
outputDir: options.outputPath,
assets: options.assets,
});
if (options.watch) {
const disposeWatchAssetChanges =
await assetHandler.watchAndProcessOnAssetChange();
const disposePackageJsonChanges = await watchForSingleFileChanges(
join(context.root, projectRoot),
'package.json',
() =>
updatePackageJson(
options.main,
options.outputPath,
projectRoot,
!options.skipTypeCheck
)
);
process.on('exit', async () => {
await disposeWatchAssetChanges();
await disposePackageJsonChanges();
});
process.on('SIGTERM', async () => {
await disposeWatchAssetChanges();
await disposePackageJsonChanges();
});
return yield* compileSwcWatch(
context,
options,
processAssetsAndPackageJsonOnce(assetHandler, options, projectRoot)
);
} else {
return yield compileSwc(
context,
options,
processAssetsAndPackageJsonOnce(assetHandler, options, projectRoot)
);
}
}
export default swcExecutor;