switch to esm

.eslintrc.json

@@ -0,0 +1,14 @@
+{
+    "env": {
+        "es2021": true,
+        "node": true
+    },
+    "extends": "standard",
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "rules": {
+        "semi": ["error", "always"]
+    }
+}

bin/xgettext-template

@@ -1,19 +1,29 @@
 #!/usr/bin/env node
 'use strict';
 
-const xgettext = require('..');
-const pkg = require('../package.json');
+import xgettext from '../index.js';
+import yargs from 'yargs';
+import { readFile } from 'fs/promises';
+
+const pkg = JSON.parse(
+  await readFile(
+    new URL('../package.json', import.meta.url)
+  )
+);
+
 const name = Object.keys(pkg.bin)[0];
 
 const languages = xgettext.languages;
 const encodings = ['utf8', 'ascii', 'base64'];
 
-const argv = require('yargs')
-  .usage([
-    'Usage: ' + name + ' [OPTION] [INPUTFILE]...',
-    '',
-    pkg.description
-  ].join('\n'))
+const argv = yargs(process.argv.slice(2))
+  .usage(
+    [
+      'Usage: ' + name + ' [OPTION] [INPUTFILE]...',
+      '',
+      pkg.description
+    ].join('\n')
+  )
   .alias({
     f: 'files-from',
     D: 'directory',

index.js

@@ -1,11 +1,23 @@
 'use strict';
 
-const fs = require('fs');
-const path = require('path');
-const gt = require('gettext-parser');
-const async = require('async');
-const createKeywordSpec = require('./src/keyword-spec');
-const objectAssign = require('object-assign');
+import fs from 'fs';
+import path from 'path';
+import gt from 'gettext-parser';
+import async from 'async';
+import createKeywordSpec from './src/keyword-spec.js';
+import objectAssign from 'object-assign';
+
+import ejs from 'gettext-ejs';
+import handlebars from 'gettext-handlebars';
+import swig from 'gettext-swig';
+import volt from 'gettext-volt';
+
+const PARSERS = {
+  ejs,
+  handlebars,
+  swig,
+  volt
+};
 
 /**
  * Simple is object check.
@@ -89,7 +101,7 @@ function xgettext (input, options, cb) {
     name = name.trim().toLowerCase();
 
     if (!parsers[name]) {
-      const Parser = require(`gettext-${name}`);
+      const Parser = PARSERS[name];
 
       if (Object.keys(keywordSpec).length > 0) {
         parsers[name] = new Parser(keywordSpec);
@@ -234,4 +246,4 @@ xgettext.languages = {
   '.ejs': 'EJS'
 };
 
-module.exports = xgettext;
+export default xgettext;