fix(esm): dont depend on __dirname (salsita#1208)

Author: aprendendofelipe

bin/node-pg-migrate.ts

@@ -21,10 +21,7 @@ process.on('uncaughtException', (err) => {
   process.exit(1);
 });
 
-const crossRequire = createRequire(
-  // @ts-expect-error: ignore until esm only
-  import.meta.url || __dirname
-);
+const crossRequire = createRequire(resolve('_'));
 
 function tryRequire<TModule = unknown>(moduleName: string): TModule | null {
   try {

src/migration.ts

@@ -8,8 +8,7 @@
 
 import { createReadStream, createWriteStream } from 'node:fs';
 import { mkdir, readdir } from 'node:fs/promises';
-import { createRequire } from 'node:module';
-import { basename, dirname, extname, join, resolve } from 'node:path';
+import { basename, extname, resolve } from 'node:path';
 import type { QueryResult } from 'pg';
 import type { DBConnection } from './db';
 import MigrationBuilder from './migrationBuilder';
@@ -135,23 +134,12 @@ export class Migration implements RunMigration {
         ? now.toISOString().replace(/\D/g, '')
         : now.valueOf();
 
-    const crossRequire = createRequire(
-      // @ts-expect-error: ignore until esm only
-      import.meta.url || __dirname
-    );
-    const moduleDir = dirname(
-      crossRequire.resolve('node-pg-migrate/package.json')
-    );
-
     const templateFileName =
       'templateFileName' in options
         ? resolve(process.cwd(), options.templateFileName)
         : resolve(
-            moduleDir,
-            join(
-              'templates',
-              `migration-template.${await resolveSuffix(directory, options)}`
-            )
+            'node_modules/node-pg-migrate/templates',
+            `migration-template.${await resolveSuffix(directory, options)}`
           );
     const suffix = getSuffixFromFileName(templateFileName);
 

src/runner.ts

@@ -1,4 +1,5 @@
-import { extname, relative } from 'node:path';
+import { createRequire } from 'node:module';
+import { extname, resolve } from 'node:path';
 import type { DBConnection } from './db';
 import Db from './db';
 import type { RunMigration } from './migration';
@@ -35,11 +36,11 @@ async function loadMigrations(
 
     const migrations = await Promise.all(
       files.map(async (file) => {
-        const filePath = `${options.dir}/${file}`;
+        const filePath = resolve(options.dir, file);
         const actions: MigrationBuilderActions =
           extname(filePath) === '.sql'
             ? await migrateSqlFile(filePath)
-            : require(relative(__dirname, filePath));
+            : createRequire(resolve('_'))(filePath);
         shorthands = { ...shorthands, ...actions.shorthands };
 
         return new Migration(