#!/usr/bin/env node
/**
* Post-build script to add .js extensions to relative imports in dist/
* Required for Node.js ESM compatibility
*/
import { readFileSync, writeFileSync, readdirSync, statSync, existsSync } from 'fs';
import { join, dirname, resolve } from 'path';
import { fileURLToPath } from 'url';
const __dirname = dirname(fileURLToPath(import.meta.url));
const distDir = join(__dirname, '..', 'dist');
function resolveImportPath(importPath, fromFile) {
const fromDir = dirname(fromFile);
const absolutePath = resolve(fromDir, importPath);
// Check if it's a directory with index.js
if (existsSync(absolutePath) && statSync(absolutePath).isDirectory()) {
if (existsSync(join(absolutePath, 'index.js'))) {
return importPath + '/index.js';
}
}
// Check if adding .js makes it a valid file
if (existsSync(absolutePath + '.js')) {
return importPath + '.js';
}
// Default to adding .js
return importPath + '.js';
}
function processFile(filePath) {
let content = readFileSync(filePath, 'utf8');
let modified = false;
// Match relative imports: from './...' or from '../...'
const importRegex = /(from\s+['"])(\.\.?\/[^'"]+)(['"])/g;
content = content.replace(importRegex, (match, prefix, path, suffix) => {
// Don't modify if it already has an extension
if (path.endsWith('.js') || path.endsWith('.json') || path.endsWith('.mjs')) {
return match;
}
const newPath = resolveImportPath(path, filePath);
if (newPath !== path) {
modified = true;
return `${prefix}${newPath}${suffix}`;
}
return match;
});
// Also handle dynamic imports: import('./...')
const dynamicImportRegex = /(import\s*\(\s*['"])(\.\.?\/[^'"]+)(['"]\s*\))/g;
content = content.replace(dynamicImportRegex, (match, prefix, path, suffix) => {
if (path.endsWith('.js') || path.endsWith('.json') || path.endsWith('.mjs')) {
return match;
}
const newPath = resolveImportPath(path, filePath);
if (newPath !== path) {
modified = true;
return `${prefix}${newPath}${suffix}`;
}
return match;
});
if (modified) {
writeFileSync(filePath, content, 'utf8');
console.log(`Fixed: ${filePath}`);
}
}
function processDirectory(dir) {
const entries = readdirSync(dir);
for (const entry of entries) {
const fullPath = join(dir, entry);
const stat = statSync(fullPath);
if (stat.isDirectory()) {
processDirectory(fullPath);
} else if (entry.endsWith('.js')) {
processFile(fullPath);
}
}
}
console.log('Adding .js extensions to ESM imports in dist/...');
processDirectory(distDir);
console.log('Done!');
