feat: migrate to ESM

Author: vltansky

lib/cli.js

@@ -1,19 +1,19 @@
-const yargsParser = require("yargs-parser");
-const path = require("path");
-const chalk = require("chalk");
-const inquirer = require("inquirer");
-const fuzzy = require("fuzzy");
-const ora = require("ora");
-const { extract } = require("pacote");
-const glob = require("fast-glob");
-const fs = require("fs-extra");
-const os = require("os");
+import yargsParser from "yargs-parser";
+import path from "path";
+import chalk from "chalk";
+import inquirer from "inquirer";
+import fuzzy from "fuzzy";
+import ora from "ora";
+import * as pactoe from "pacote";
+import glob from "fast-glob";
+import fs from "fs-extra";
+import os from "os";
+import elapsed from "elapsed-time-logger";
+import compareVersions from "compare-versions";
 
+const { extract } = pactoe;
 const packageName = "html5-boilerplate";
 const tempDir = `${os.tmpdir()}/${packageName}-staging`;
-const elapsed = require("elapsed-time-logger");
-const compareVersions = require("compare-versions");
-const langsList = require("./countries.json");
 
 let spinner;
 inquirer.registerPrompt(
@@ -58,6 +58,10 @@ const onLoad = async (targetDir, version, argv) => {
   if (skipPrompts) {
     return;
   }
+  const langsList = JSON.parse(
+    await fs.readFile(new URL("./countries.json", import.meta.url))
+  );
+
   const langListMap = {};
   const langListOut = [];
   /* istanbul ignore if */
@@ -118,7 +122,7 @@ const onLoad = async (targetDir, version, argv) => {
   }
 };
 
-module.exports = async (argvs) => {
+export default async function CreateHtml5BoilerplateCLI(argvs) {
   const argv = yargsParser(argvs, {
     alias: { release: ["r"], yes: ["y"] },
   });
@@ -160,4 +164,4 @@ module.exports = async (argvs) => {
   } finally {
     await fs.remove(tempDir);
   }
-};
+}

package.json

@@ -14,6 +14,7 @@
   "license": "MIT",
   "author": "@h5bp",
   "main": "index.js",
+  "type": "module",
   "bin": {
     "create-html5-boilerplate": "./index.js"
   },

tests/test.js

@@ -2,18 +2,19 @@
  * @jest-environment node
  */
 
-const fs = require("fs-extra");
-const cli = require("../lib/cli");
-const os = require("os");
+import fs from "fs-extra";
+import os from "os";
+import cli from "../lib/cli";
+
 const packageName = "html5-boilerplate";
-const tempDir = os.tmpdir() + `/${packageName}-staging`;
+const tempDir = `${os.tmpdir()}/${packageName}-staging`;
 const defaultDir = "./out/default_dir";
 
 // TODO: fetch all versions:
 // const { packument } = require('pacote');
 // const versions = await packument(packageName);
 // cases = ['', 'latest', '-r=7.3.0', ...Object.keys(versions)];
-const all_versions = [
+const allVersions = [
   "0.0.1",
   "5.3.0",
   "6.0.0",
@@ -33,10 +34,10 @@ const cases = [
   "-r=v7.2.0",
   "-r=v7.2",
   "--release=7.3.0",
-  ...all_versions.map((v) => "-r=" + v),
+  ...allVersions.map((v) => `-r=${v}`),
 ];
 
-const outputFolder = (version = null) => "./out/" + (version || "default_dir");
+const outputFolder = (version = null) => `./out/${version || "default_dir"}`;
 
 const runCli = async ({
   version = null,
@@ -47,7 +48,7 @@ const runCli = async ({
   let argvs = [];
   let prevCwd;
   if (dir) {
-    argvs.push("./out/" + dir);
+    argvs.push(`./out/${dir}`);
   } else {
     await fs.ensureDir(defaultDir);
     prevCwd = process.cwd();
@@ -66,9 +67,10 @@ const runCli = async ({
 
   await cli(argvs);
   if (prevCwd) {
-    process.chdir(prevCwd); //revert process current dir
+    process.chdir(prevCwd); // revert process current dir
   }
 };
+
 describe.each(cases)("Downloading %s", (version) => {
   beforeAll(async () => {
     await runCli({ version: version, dir: version, skip: true });
@@ -77,7 +79,7 @@ describe.each(cases)("Downloading %s", (version) => {
     await fs.remove(outputFolder(version));
   });
 
-  if (version && version != "-r=latest") {
+  if (version && version !== "-r=latest") {
     // if we will fetch all versions from npm registry we will be able to check latest
     // for now we will skip this test for 'latest' version
     test(`Version is correct: ${version}`, async () => {