playwright/packages/playwright-test/src/common/esmLoaderHost.ts

53 lines
1.8 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { addToCompilationCache, serializeCompilationCache } from '../transform/compilationCache';
import { transformConfig } from '../transform/transform';
import { PortTransport } from '../transform/portTransport';
const port = (globalThis as any).__esmLoaderPort;
const loaderChannel = port ? new PortTransport(port, async (method, params) => {
if (method === 'pushToCompilationCache')
addToCompilationCache(params.cache);
}) : undefined;
export async function startCollectingFileDeps() {
if (!loaderChannel)
return;
await loaderChannel.send('startCollectingFileDeps', {});
}
export async function stopCollectingFileDeps(file: string) {
if (!loaderChannel)
return;
await loaderChannel.send('stopCollectingFileDeps', { file });
}
export async function incorporateCompilationCache() {
if (!loaderChannel)
return;
const result = await loaderChannel.send('getCompilationCache', {});
addToCompilationCache(result.cache);
}
export async function initializeEsmLoader() {
if (!loaderChannel)
return;
await loaderChannel.send('setTransformConfig', { config: transformConfig() });
await loaderChannel.send('addToCompilationCache', { cache: serializeCompilationCache() });
}