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base.ts
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base.ts
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import curry from 'next/dist/compiled/lodash.curry'
import { webpack } from 'next/dist/compiled/webpack/webpack'
import { ConfigurationContext } from '../utils'
export const base = curry(function base(
ctx: ConfigurationContext,
config: webpack.Configuration
) {
config.mode = ctx.isDevelopment ? 'development' : 'production'
config.name = ctx.isServer
? ctx.isEdgeRuntime
? 'edge-server'
: 'server'
: 'client'
// @ts-ignore TODO webpack 5 typings
config.target = !ctx.targetWeb
? 'node12.22'
: ctx.isEdgeRuntime
? ['web', 'es6']
: ['web', 'es5']
// https://webpack.js.org/configuration/devtool/#development
if (ctx.isDevelopment) {
if (process.env.__NEXT_TEST_MODE && !process.env.__NEXT_TEST_WITH_DEVTOOL) {
config.devtool = false
} else {
if (!ctx.isEdgeRuntime) {
// `eval-source-map` provides full-fidelity source maps for the
// original source, including columns and original variable names.
// This is desirable so the in-browser debugger can correctly pause
// and show scoped variables with their original names.
config.devtool = 'eval-source-map'
}
}
} else {
// Enable browser sourcemaps:
if (ctx.productionBrowserSourceMaps && ctx.isClient) {
config.devtool = 'source-map'
} else {
config.devtool = false
}
}
if (!config.module) {
config.module = { rules: [] }
}
// TODO: add codemod for "Should not import the named export" with JSON files
// config.module.strictExportPresence = !isWebpack5
return config
})