switch to esm-only code and Node v12+

Author: mourner

.github/workflows/node.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 14.x]
+        node-version: [12.x, 14.x]
     steps:
     - name: Checkout
       uses: actions/checkout@v2

cli.js

@@ -1,9 +1,10 @@
 #!/usr/bin/env node
-'use strict';
 
-const tinyjam = require('./index.js');
-const {version} = require('./package.json');
-const {performance} = require('perf_hooks');
+import tinyjam from './index.js';
+import {readFileSync} from 'fs';
+import {performance} from 'perf_hooks';
+
+const version = JSON.parse(readFileSync(new URL('./package.json', import.meta.url))).version;
 
 if (process.argv.length < 3) {
     console.log(`tinyjam v${version}`);

index.js

@@ -1,14 +1,10 @@
-'use strict';
+import fs from 'fs';
+import {join, basename, dirname, extname, relative} from 'path';
 
-const fs = require('fs');
-const {join, basename, dirname, extname, relative} = require('path');
-
-const {compile} = require('yeahjs');
-const fm = require('front-matter');
-const marked = require('marked');
-const yaml = require('js-yaml');
-
-module.exports = tinyjam;
+import {compile} from 'yeahjs';
+import fm from 'front-matter';
+import marked from 'marked';
+import yaml from 'js-yaml';
 
 const defaultOptions = {
     log: false,
@@ -17,7 +13,7 @@ const defaultOptions = {
     highlight: null
 };
 
-function tinyjam(src, dest = src, options = {}) {
+export default function tinyjam(src, dest = src, options = {}) {
     options = Object.assign({}, defaultOptions, options);
 
     // Markdown renderer options
@@ -116,7 +112,7 @@ function tinyjam(src, dest = src, options = {}) {
 
             } else if (ext === '.yml' || ext === '.yaml') {
                 log(`read    ${shortPath}`);
-                data[name] = createCtx(rootPath, yaml.safeLoad(fs.readFileSync(path, 'utf8')));
+                data[name] = createCtx(rootPath, yaml.load(fs.readFileSync(path, 'utf8')));
 
             } else if (ext === '.ejs') {
                 if (name[0] === '_') { // skip includes

package.json

@@ -2,24 +2,25 @@
   "name": "tinyjam",
   "description": "A zero-configuration static site generator that deliberately has no features",
   "main": "index.js",
+  "type": "module",
   "bin": {
     "tinyjam": "./cli.js"
   },
   "version": "0.2.0",
   "author": "Vladimir Agafonkin",
   "license": "ISC",
   "dependencies": {
-    "front-matter": "^3.1.0",
-    "js-yaml": "^3.13.1",
-    "marked": "^1.0.0",
+    "front-matter": "^4.0.2",
+    "js-yaml": "^4.0.0",
+    "marked": "^1.2.7",
     "yeahjs": "^0.2.0"
   },
   "devDependencies": {
-    "dir-compare": "^2.3.0",
-    "eslint": "^7.0.0",
+    "dir-compare": "^2.4.0",
+    "eslint": "^7.17.0",
     "eslint-config-mourner": "^3.0.0",
     "rimraf": "^3.0.2",
-    "tape": "^5.0.0"
+    "tape": "^5.1.1"
   },
   "scripts": {
     "pretest": "eslint *.js test/test.js",
@@ -28,12 +29,15 @@
   "eslintConfig": {
     "extends": "mourner",
     "parserOptions": {
-      "ecmaVersion": 2018
+      "ecmaVersion": 2020
     }
   },
   "files": [
     "cli.js"
   ],
+  "engines": {
+    "node": ">= 12.17.0"
+  },
   "keywords": [
     "static",
     "site",

test/test.js

@@ -1,17 +1,20 @@
 
-const {test} = require('tape');
-const dircompare = require('dir-compare');
-const rimraf = require('rimraf');
-const {join} = require('path');
+import {test} from 'tape';
+import dircompare from 'dir-compare';
+import rimraf from 'rimraf';
+import {join, dirname} from 'path';
+import {fileURLToPath} from 'url';
 
-const tinyjam = require('../index.js');
+import tinyjam from '../index.js';
+
+const fixturesDir = join(dirname(fileURLToPath(import.meta.url)), 'fixtures');
 
 test('example', t => testDir(t, '../../example', 'example_output'));
 test('test', t => testDir(t, 'test_input', 'test_output'));
 
 function testDir(t, input, expected) {
-    const inputPath = join(__dirname, 'fixtures', input);
-    const expectedPath = join(__dirname, 'fixtures', expected);
+    const inputPath = join(fixturesDir, input);
+    const expectedPath = join(fixturesDir, expected);
     const actualPath = `${expectedPath}_actual`;
 
     rimraf.sync(actualPath);