同步版本
\Synchronous version
// coffeescript-sync-hooks.mjs
import { readFileSync } from 'node:fs';
import { registerHooks, findPackageJSON } from 'node:module';
import coffeescript from 'coffeescript';
const extensionsRegex = /\.(coffee|litcoffee|coffee\.md)$/;
function load(url, context, nextLoad) {
if (extensionsRegex.test(url)) {
const { source: rawSource } = nextLoad(url, { ...context, format: 'coffee' });
const transformedSource = coffeescript.compile(rawSource.toString(), url);
return {
format: getPackageType(url),
shortCircuit: true,
source: transformedSource,
};
}
return nextLoad(url, context);
}
function getPackageType(url) {
const pJson = findPackageJSON(url);
if (!pJson) {
return undefined;
}
try {
const file = readFileSync(pJson, 'utf-8');
return JSON.parse(file)?.type;
} catch {
return undefined;
}
}
registerHooks({ load });