Bundle CLI into single file for faster startup

Category: fix

package.json

@@ -4,16 +4,17 @@
   "description": "Markdown Style Guide, with linter and automatic fixer",
   "author": "Vincent Weevers",
   "license": "GPL-3.0",
-  "bin": "cli.js",
+  "bin": "cli-dist.js",
   "type": "module",
   "exports": "./index.js",
   "scripts": {
-    "test": "standard && depcheck --ignores subarg && node cli.js && tape test/*.js",
-    "hallmark": "node cli.js fix"
+    "test": "standard && depcheck --ignores subarg && node cli-dist.js && tape test/*.js",
+    "hallmark": "node cli-dist.js fix",
+    "pack": "rollup -c"
   },
   "files": [
     "CHANGELOG.md",
-    "cli.js",
+    "cli-dist.js",
     "index.js",
     "lint.js",
     "USAGE"
@@ -62,12 +63,20 @@
     "vfile-reporter-shiny": "^1.0.1"
   },
   "devDependencies": {
+    "@rollup/plugin-commonjs": "^25.0.7",
+    "@rollup/plugin-json": "^6.1.0",
+    "@rollup/plugin-node-resolve": "^15.2.3",
+    "@rollup/plugin-terser": "^0.4.4",
     "depcheck": "^1.4.2",
     "git-pull-or-clone": "^2.0.2",
+    "rollup": "^4.14.0",
     "standard": "^17.0.0",
     "tape": "^5.5.3",
     "tempy": "^3.0.0"
   },
+  "standard": {
+    "ignore": ["cli-dist.js"]
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/vweevers/hallmark.git"

rollup.config.js

@@ -0,0 +1,27 @@
+import { nodeResolve } from '@rollup/plugin-node-resolve'
+import commonjs from '@rollup/plugin-commonjs'
+import json from '@rollup/plugin-json'
+import terser from '@rollup/plugin-terser'
+
+export default {
+  input: 'cli.js',
+  output: {
+    file: 'cli-dist.js',
+    format: 'es'
+  },
+  plugins: [
+    commonjs(),
+    nodeResolve({
+      browser: false,
+      preferBuiltins: true,
+      exportConditions: ['node']
+    }),
+    json(),
+    terser({
+      module: true,
+      format: {
+        comments: false
+      }
+    })
+  ]
+}

test/dependents.js

@@ -34,7 +34,7 @@ for (const repo of dependents) {
 
       // Pipe stdout to stderr because our stdout is for TAP
       const stdio = ['ignore', process.stderr, process.stderr, 'ipc']
-      const cli = path.resolve(__dirname, '..', 'cli.js')
+      const cli = path.resolve(__dirname, '..', 'cli-dist.js')
 
       cp.fork(cli, { cwd, stdio }).on('exit', function (code) {
         t.is(code, 0, 'hallmark linter exited with code 0')