fix(esm): use import.meta in ESM instead of __dirname

Author: djMax

src/bin/index.ts

@@ -1,19 +1,22 @@
 #!/usr/bin/env node
 import fs from 'fs';
 import path from 'path';
+import * as url from 'url';
 
-import c from 'ansi-colors';
-import glob from 'fast-glob';
+import { bold, red, green, dim } from 'ansi-colors';
+import { glob } from 'fast-glob';
 // eslint-disable-next-line import/order -- what the actual heck, this rule bounces
 import parser from 'yargs-parser';
 
 import type { OpenAPITSOptions } from 'openapi-typescript';
 
 import { generate } from '../index.js';
 
+const __dirname = url.fileURLToPath(new URL('.', import.meta.url));
+
 /** print error message */
 export function error(msg: string) {
-  console.error(c.red(` ✘  ${msg}`)); // eslint-disable-line no-console
+  console.error(red(` ✘  ${msg}`)); // eslint-disable-line no-console
 }
 
 const HELP = `Usage
@@ -136,9 +139,7 @@ async function generateSchema(pathToSpec: string | typeof process.stdin) {
     const timeEnd = process.hrtime(timeStart);
     const time = timeEnd[0] + Math.round(timeEnd[1] / 1e6);
     console.log(
-      `🚀 ${c.green(`${pathToSpec} → ${c.bold(outputFilePath.toString())}`)} ${c.dim(
-        `[${time}ms]`,
-      )}`,
+      `🚀 ${green(`${pathToSpec} → ${bold(outputFilePath.toString())}`)} ${dim(`[${time}ms]`)}`,
     );
   } else {
     process.stdout.write(result);
@@ -166,7 +167,7 @@ async function main() {
   const outputDir = new URL('.', outputFile);
 
   if (output === OUTPUT_FILE)
-    console.info(`✨ ${c.bold(`openapi-typescript ${packageJSON.version}`)}`); // only log if we’re NOT writing to stdout
+    console.info(`✨ ${bold(`openapi-typescript ${packageJSON.version}`)}`); // only log if we’re NOT writing to stdout
 
   const pathToSpec = flags._[0] as string;