// Fix missing .js extensions in TypeScript imports after ts-morph migration.
// ts-morph's file.move() drops .js extensions that NodeNext requires.
// Handles both import/export declarations AND inline import() type expressions.
//
// Usage: npx tsx scripts/migration/fix-extensions.ts
import { Project, SyntaxKind } from 'ts-morph';
import path from 'node:path';
const SERVER_ROOT = path.resolve(import.meta.dirname, '..', '..');
const project = new Project({
tsConfigFilePath: path.join(SERVER_ROOT, 'tsconfig.json'),
skipAddingFilesFromTsConfig: false,
});
let fixCount = 0;
let inlineFixCount = 0;
for (const sourceFile of project.getSourceFiles()) {
const filePath = sourceFile.getFilePath();
if (filePath.includes('node_modules')) continue;
// Fix import/export declarations
const importDecls = sourceFile.getImportDeclarations();
const exportDecls = sourceFile.getExportDeclarations();
for (const decl of [...importDecls, ...exportDecls]) {
const moduleSpecifier = decl.getModuleSpecifierValue();
if (!moduleSpecifier) continue;
if (!moduleSpecifier.startsWith('.')) continue;
if (moduleSpecifier.endsWith('.js') || moduleSpecifier.endsWith('.json')) continue;
decl.setModuleSpecifier(moduleSpecifier + '.js');
fixCount++;
}
// Fix inline import() type expressions: import('../../path/to/module')
// These appear as CallExpression with Import keyword
const fullText = sourceFile.getFullText();
const importRegex = /import\(\s*['"](\.[^'"]+)['"]\s*\)/g;
let match: RegExpExecArray | null;
const replacements: Array<{ start: number; end: number; text: string }> = [];
while ((match = importRegex.exec(fullText)) !== null) {
const specifier = match[1];
if (!specifier || !specifier.startsWith('.')) continue;
if (specifier.endsWith('.js') || specifier.endsWith('.json')) continue;
const quote = fullText[match.index + 'import('.length] === "'" ? "'" : '"';
const oldImport = `import(${quote}${specifier}${quote})`;
const newImport = `import(${quote}${specifier}.js${quote})`;
replacements.push({
start: match.index,
end: match.index + oldImport.length,
text: newImport,
});
inlineFixCount++;
}
// Apply replacements in reverse order to preserve positions
if (replacements.length > 0) {
let text = fullText;
for (const r of replacements.reverse()) {
text = text.slice(0, r.start) + r.text + text.slice(r.end);
}
sourceFile.replaceWithText(text);
}
}
console.log(`Fixed ${fixCount} import/export specifiers`);
console.log(`Fixed ${inlineFixCount} inline import() expressions`);
const total = fixCount + inlineFixCount;
if (total > 0) {
await project.save();
console.log(`Saved ${total} fixes.`);
} else {
console.log('No fixes needed.');
}
