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webpack.config.js
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webpack.config.js
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import path from 'path'
import { glob } from 'glob'
import { fileURLToPath } from 'url'
const __dirname = fileURLToPath(path.dirname(import.meta.url))
export function webpackConfig (env, options, runner) {
const bundleRun = path.normalize(path.resolve(options.outputDir, runner))
const testFiles = options._.reduce((p, c) => {
return p.concat(glob.sync(c, { absolute: true }).sort())
}, []).map(path.normalize)
// our globs may be fruitless
if (!testFiles.length) {
throw new Error(`No test files found: '${options._.join(' ')}'`)
}
testFiles.push(bundleRun)
return {
mode: 'development',
context: process.cwd(),
entry: testFiles,
output: {
path: path.resolve(process.cwd(), options.outputDir),
filename: 'bundle.js'
},
devtool: 'cheap-module-source-map',
optimization: {
minimize: false
},
resolve: {
modules: [
path.join(process.cwd(), 'node_modules'),
path.join(__dirname, '../node_modules')
]
},
resolveLoader: {
modules: [
path.join(process.cwd(), 'node_modules'),
path.join(__dirname, '../node_modules')
]
},
module: {
exprContextCritical: false, // mocha stil has a require.resolve resulting in a noisy warning
rules: [
{
test: testFiles,
exclude: [/node_modules/, bundleRun],
type: 'javascript/auto', // needed so the wrap-loader can get a sync require() in
use: [{
loader: path.resolve(__dirname, 'wrap-loader.cjs'),
options
}]
}
]
}
}
}