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move config into single file, add errors to help people migrate

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This commit is contained in:
Rich Harris
2018-09-19 16:27:30 -04:00
parent 8f064fe5ac
commit 273823dfd7
16 changed files with 198 additions and 132 deletions
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29
src/core/create_compilers/index.ts
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@@ -1,5 +1,4 @@
import * as fs from 'fs';
import { Dirs } from '../../interfaces';
import * as path from 'path';
import RollupCompiler from './RollupCompiler';
import { WebpackCompiler } from './WebpackCompiler';
@@ -11,27 +10,35 @@ export type Compilers = {
serviceworker?: Compiler;
}
export default function create_compilers(bundler: string, dirs: Dirs): Compilers {
export default async function create_compilers(bundler: 'rollup' | 'webpack'): Promise<Compilers> {
if (bundler === 'rollup') {
const sw = `${dirs.rollup}/service-worker.config.js`;
const config = await RollupCompiler.load_config();
validate_config(config, 'rollup');
return {
client: new RollupCompiler(`${dirs.rollup}/client.config.js`),
server: new RollupCompiler(`${dirs.rollup}/server.config.js`),
serviceworker: fs.existsSync(sw) && new RollupCompiler(sw)
client: new RollupCompiler(config.client),
server: new RollupCompiler(config.server),
serviceworker: config.serviceworker && new RollupCompiler(config.serviceworker)
};
}
if (bundler === 'webpack') {
const sw = `${dirs.webpack}/service-worker.config.js`;
const config = require(path.resolve('webpack.config.js'));
validate_config(config, 'webpack');
return {
client: new WebpackCompiler(`${dirs.webpack}/client.config.js`),
server: new WebpackCompiler(`${dirs.webpack}/server.config.js`),
serviceworker: fs.existsSync(sw) && new WebpackCompiler(sw)
client: new WebpackCompiler(config.client),
server: new WebpackCompiler(config.server),
serviceworker: config.serviceworker && new WebpackCompiler(config.serviceworker)
};
}
// this shouldn't be possible...
throw new Error(`Invalid bundler option '${bundler}'`);
}
function validate_config(config: any, bundler: 'rollup' | 'webpack') {
if (!config.client || !config.server) {
throw new Error(`${bundler}.config.js must export a { client, server, serviceworker? } object`);
}
}