From 54ed33ce35927ae88370cb6a2ddb42be1a416331 Mon Sep 17 00:00:00 2001
From: Augustin Mauroy <97875033+AugustinMauroy@users.noreply.github.com>
Date: Tue, 5 Nov 2024 14:46:20 +0100
Subject: [PATCH 1/2] esmify the package

---
 bin/lts.js   | 17 +++++++++--------
 lib/index.js | 17 +++++++----------
 package.json |  3 ++-
 3 files changed, 18 insertions(+), 19 deletions(-)

diff --git a/bin/lts.js b/bin/lts.js
index 1edcbf9..2822847 100644
--- a/bin/lts.js
+++ b/bin/lts.js
@@ -1,8 +1,9 @@
 #!/usr/bin/env node
 'use strict';
-const Path = require('path');
-const Bossy = require('bossy');
-const Lib = require('../lib');
+import { resolve } from 'node:path';
+import Bossy from 'bossy';
+import { create } from '../lib/index.js';
+
 const now = new Date();
 const oneYearFromNow = new Date();
 
@@ -15,7 +16,7 @@ const cliArgs = {
     type: 'string',
     require: false,
     multiple: false,
-    default: Path.resolve(__dirname, '..', 'lts.json')
+    default: resolve(__dirname, '..', 'lts.json')
   },
   's': {
     description: 'Query start date',
@@ -94,12 +95,12 @@ const options = {
   data: require(args.data),
   queryStart: new Date(args.start),
   queryEnd: new Date(args.end),
-  html: args.html ? Path.resolve(args.html) : null,
-  svg: args.svg ? Path.resolve(args.svg) : null,
-  png: args.png ? Path.resolve(args.png) : null,
+  html: args.html ? resolve(args.html) : null,
+  svg: args.svg ? resolve(args.svg) : null,
+  png: args.png ? resolve(args.png) : null,
   animate: args.animate,
   excludeMain: args.excludeMain,
   projectName: args.projectName
 };
 
-Lib.create(options);
+create(options);
diff --git a/lib/index.js b/lib/index.js
index ca212ad..4dcbf18 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,7 +1,7 @@
 'use strict';
-const Fs = require('fs');
-const D3 = require('d3');
-const D3Node = require('d3-node');
+import { writeFileSync } from 'node:fs';
+import D3 from 'd3';  
+import D3Node from 'd3-node';
 
 const styles = `
 .current {
@@ -91,8 +91,7 @@ function parseInput (data, queryStart, queryEnd, excludeMain, projectName) {
   return output;
 }
 
-
-function create (options) {
+export function create (options) {
   const { queryStart, queryEnd, html, svg: svgFile, png, animate, excludeMain, projectName, margin: marginInput } = options;
   const data = parseInput(options.data, queryStart, queryEnd, excludeMain, projectName);
   const d3n = new D3Node({ svgStyles: styles, d3Module: D3 });
@@ -207,18 +206,16 @@ function create (options) {
      });
 
   if (typeof html === 'string') {
-    Fs.writeFileSync(html, d3n.html());
+    writeFileSync(html, d3n.html());
   }
 
   if (typeof svgFile === 'string') {
-    Fs.writeFileSync(svgFile, d3n.svgString());
+    writeFileSync(svgFile, d3n.svgString());
   }
 
   if (typeof png === 'string') {
     const Svg2png = require('svg2png'); // Load this lazily.
 
-    Fs.writeFileSync(png, Svg2png.sync(Buffer.from(d3n.svgString())));
+    writeFileSync(png, Svg2png.sync(Buffer.from(d3n.svgString())));
   }
 }
-
-module.exports.create = create;
diff --git a/package.json b/package.json
index 7829b90..9e1d299 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "2.0.0",
   "description": "Generate the Node.js LTS schedule",
   "main": "lib/index.js",
+  "type": "module",
   "homepage": "https://github.com/nodejs/lts-schedule",
   "repository": {
     "type": "git",
@@ -19,7 +20,7 @@
     "lts": "bin/lts.js"
   },
   "engines": {
-    "node": ">=4.0.0"
+    "node": ">=20"
   },
   "dependencies": {
     "bossy": "3.0.4",

From bd21d6a2e5ebba7e91c8a21f485ba8926464e56d Mon Sep 17 00:00:00 2001
From: Augustin Mauroy <97875033+AugustinMauroy@users.noreply.github.com>
Date: Tue, 5 Nov 2024 14:58:53 +0100
Subject: [PATCH 2/2] fix: require

---
 bin/lts.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/lts.js b/bin/lts.js
index 2822847..10220b9 100644
--- a/bin/lts.js
+++ b/bin/lts.js
@@ -92,7 +92,7 @@ if (args instanceof Error) {
 }
 
 const options = {
-  data: require(args.data),
+  data: await import(args.data),
   queryStart: new Date(args.start),
   queryEnd: new Date(args.end),
   html: args.html ? resolve(args.html) : null,