next
Version:
The React Framework
73 lines (72 loc) • 2.39 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "transpileConfig", {
enumerable: true,
get: function() {
return transpileConfig;
}
});
const _nodepath = require("node:path");
const _promises = require("node:fs/promises");
const _requirehook = require("./require-hook");
const _loadjsconfig = require("../load-jsconfig");
function resolveSWCOptions(cwd, compilerOptions) {
const resolvedBaseUrl = (0, _nodepath.join)(cwd, compilerOptions.baseUrl ?? '.');
return {
jsc: {
target: 'es5',
parser: {
syntax: 'typescript'
},
paths: compilerOptions.paths,
baseUrl: resolvedBaseUrl
},
module: {
type: 'commonjs'
},
isModule: 'unknown'
};
}
async function lazilyGetTSConfig(cwd) {
let tsConfig;
try {
tsConfig = (0, _loadjsconfig.parseJsonFile)((0, _nodepath.join)(cwd, 'tsconfig.json'));
} catch (error) {
// ignore if tsconfig.json does not exist
if (error.code !== 'ENOENT') {
throw error;
}
tsConfig = {
compilerOptions: {}
};
}
return tsConfig;
}
async function transpileConfig({ nextConfigPath, cwd }) {
let hasRequire = false;
try {
const { compilerOptions } = await lazilyGetTSConfig(cwd);
const swcOptions = resolveSWCOptions(cwd, compilerOptions);
const nextConfigString = await (0, _promises.readFile)(nextConfigPath, 'utf8');
// lazy require swc since it loads React before even setting NODE_ENV
// resulting loading Development React on Production
const { transform } = require('../swc');
const { code } = await transform(nextConfigString, swcOptions);
// register require hook only if require exists
if (code.includes('require(')) {
(0, _requirehook.registerHook)(swcOptions);
hasRequire = true;
}
// filename & extension don't matter here
return (0, _requirehook.requireFromString)(code, (0, _nodepath.join)(cwd, 'next.config.compiled.js'));
} catch (error) {
throw error;
} finally{
if (hasRequire) {
(0, _requirehook.deregisterHook)();
}
}
}
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