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options.js
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options.js
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const nextDistPath =
/(next[\\/]dist[\\/]shared[\\/]lib)|(next[\\/]dist[\\/]client)|(next[\\/]dist[\\/]pages)/
function getBaseSWCOptions({
filename,
development,
hasReactRefresh,
globalWindow,
styledComponents,
paths,
baseUrl,
}) {
const isTSFile = filename.endsWith('.ts')
const isTypeScript = isTSFile || filename.endsWith('.tsx')
return {
jsc: {
...(baseUrl && paths
? {
baseUrl,
paths,
}
: {}),
parser: {
syntax: isTypeScript ? 'typescript' : 'ecmascript',
dynamicImport: true,
// Exclude regular TypeScript files from React transformation to prevent e.g. generic parameters and angle-bracket type assertion from being interpreted as JSX tags.
[isTypeScript ? 'tsx' : 'jsx']: isTSFile ? false : true,
},
transform: {
react: {
runtime: 'automatic',
pragma: 'React.createElement',
pragmaFrag: 'React.Fragment',
throwIfNamespace: true,
development: development,
useBuiltins: true,
refresh: hasReactRefresh,
},
optimizer: {
simplify: false,
globals: {
typeofs: {
window: globalWindow ? 'object' : 'undefined',
},
},
},
regenerator: {
importPath: require.resolve('regenerator-runtime'),
},
},
},
styledComponents: styledComponents
? {
displayName: Boolean(development),
}
: null,
}
}
export function getJestSWCOptions({
isServer,
filename,
esm,
styledComponents,
paths,
baseUrl,
}) {
let baseOptions = getBaseSWCOptions({
filename,
development: false,
hasReactRefresh: false,
globalWindow: !isServer,
styledComponents,
paths,
baseUrl,
})
const isNextDist = nextDistPath.test(filename)
return {
...baseOptions,
env: {
targets: {
// Targets the current version of Node.js
node: process.versions.node,
},
},
module: {
type: esm && !isNextDist ? 'es6' : 'commonjs',
},
disableNextSsg: true,
disablePageConfig: true,
}
}
export function getLoaderSWCOptions({
filename,
development,
isServer,
pagesDir,
isPageFile,
hasReactRefresh,
styledComponents,
}) {
let baseOptions = getBaseSWCOptions({
filename,
development,
globalWindow: !isServer,
hasReactRefresh,
styledComponents,
})
const isNextDist = nextDistPath.test(filename)
if (isServer) {
return {
...baseOptions,
// Disables getStaticProps/getServerSideProps tree shaking on the server compilation for pages
disableNextSsg: true,
disablePageConfig: true,
isDevelopment: development,
pagesDir,
isPageFile,
env: {
targets: {
// Targets the current version of Node.js
node: process.versions.node,
},
},
}
} else {
// Matches default @babel/preset-env behavior
baseOptions.jsc.target = 'es5'
return {
...baseOptions,
// Ensure Next.js internals are output as commonjs modules
...(isNextDist
? {
module: {
type: 'commonjs',
},
}
: {}),
disableNextSsg: !isPageFile,
isDevelopment: development,
pagesDir,
isPageFile,
}
}
}