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dev-server.impl.ts
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dev-server.impl.ts
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import {
ExecutorContext,
parseTargetString,
readTargetOptions,
joinPathFragments,
} from '@nrwl/devkit';
import { eachValueFrom } from 'rxjs-for-await';
import { map, tap } from 'rxjs/operators';
import * as WebpackDevServer from 'webpack-dev-server';
import {
getEmittedFiles,
runWebpackDevServer,
} from '@nrwl/workspace/src/utilities/run-webpack';
import { normalizeWebBuildOptions } from '../../utils/normalize';
import { WebBuildBuilderOptions } from '../build/build.impl';
import { getDevServerConfig } from '../../utils/devserver.config';
import {
calculateProjectDependencies,
createTmpTsConfig,
} from '@nrwl/workspace/src/utilities/buildable-libs-utils';
import { readCachedProjectGraph } from '@nrwl/workspace/src/core/project-graph';
export interface WebDevServerOptions {
host: string;
port: number;
publicHost?: string;
ssl: boolean;
sslKey?: string;
sslCert?: string;
proxyConfig?: string;
buildTarget: string;
open: boolean;
liveReload: boolean;
hmr: boolean;
watch: boolean;
allowedHosts: string;
maxWorkers?: number;
memoryLimit?: number;
baseHref?: string;
}
export default async function* devServerExecutor(
serveOptions: WebDevServerOptions,
context: ExecutorContext
) {
const { webpack } = require('../../webpack/entry');
const sourceRoot = context.workspace.projects[context.projectName].sourceRoot;
const buildOptions = normalizeWebBuildOptions(
getBuildOptions(serveOptions, context),
context.root,
sourceRoot
);
let webpackConfig = getDevServerConfig(
context.root,
sourceRoot,
buildOptions,
serveOptions
);
if (buildOptions.webpackConfig) {
webpackConfig = require(buildOptions.webpackConfig)(webpackConfig, {
buildOptions,
configuration: serveOptions.buildTarget.split(':')[2],
});
}
if (!buildOptions.buildLibsFromSource) {
const { target, dependencies } = calculateProjectDependencies(
readCachedProjectGraph(),
context.root,
context.projectName,
'build', // should be generalized
context.configurationName
);
buildOptions.tsConfig = createTmpTsConfig(
joinPathFragments(context.root, buildOptions.tsConfig),
context.root,
target.data.root,
dependencies
);
}
return yield* eachValueFrom(
runWebpackDevServer(webpackConfig, webpack, WebpackDevServer).pipe(
tap(({ stats }) => {
console.info(stats.toString(webpackConfig.stats));
}),
map(({ baseUrl, stats }) => {
return {
baseUrl,
emittedFiles: getEmittedFiles(stats),
success: !stats.hasErrors(),
};
})
)
);
}
function getBuildOptions(
options: WebDevServerOptions,
context: ExecutorContext
): WebBuildBuilderOptions {
const target = parseTargetString(options.buildTarget);
const overrides: Partial<WebBuildBuilderOptions> = {
watch: false,
};
if (options.maxWorkers) {
overrides.maxWorkers = options.maxWorkers;
}
if (options.memoryLimit) {
overrides.memoryLimit = options.memoryLimit;
}
if (options.baseHref) {
overrides.baseHref = options.baseHref;
}
const buildOptions = readTargetOptions(target, context);
return {
...buildOptions,
...overrides,
};
}