export CommonJs require, update version/usage, refactor installer

Author: TheTechsTech

README.md

@@ -17,6 +17,8 @@ A `spawning` cross-platform version of Node's child_process.`spawn` that returns
 - `fork` another **script**, a _Node Js_ module instance, for additional sub processing base on `stderr` or `stdout` events.
   - pass additional callback for the `message` event.
 
+A series of general use case `strick` type checkers.
+
 ## Install
 
 ```sh
@@ -132,6 +134,14 @@ import { where } from 'node-sys';
 let found = where('node');
 ```
 
+### Use CommonJS `require` like before in ESM
+
+```js
+import { require } from 'node-sys';
+
+const package = require('package');
+```
+
 ### CLI Usage
 
 ```s

bin/installer.js

@@ -1,11 +1,14 @@
 #!/usr/bin/env node
 
-import { packager, installer, where } from '../index.js';
+import {
+  packager, installer, where,
+  spawning, isNull, isMac, isWindows
+} from '../index.js';
 import minimist from 'minimist';
 import {
   createRequire
 } from 'module';
-import { spawn } from 'child_process';
+
 import { dirname, join } from 'path';
 import { fileURLToPath } from 'url';
 
@@ -70,30 +73,16 @@ if (argv.help || argv.h) {
 } else if (argv.version || argv.v) {
   console.log(pack.version);
 } else if ((argv.get || argv.g)
-  && (
-    (process.platform == 'darwin' && where('brew') === null)
-    || (process.platform == 'win32' && where('choco') === null)
-  )) {
-  let installOutput = '';
-  const child = spawn(CMD[process.platform], [SYSTEM[process.platform]], {
-    stdio: 'pipe',
-  });
-
-  child.on('close', () => {
-    return installOutput;
-  });
-
-  child.on('exit', () => {
-    return installOutput;
-  });
-
-  child.stdout.on('data', (data) => {
-    installOutput += data.toString();
-  });
-
-  child.stderr.on('data', (data) => {
-    throw (data.toString());
-  });
+  && ((isMac() && isNull(where('brew')))
+    || (isWindows() && isNull(where('choco'))))
+) {
+  spawning(CMD[process.platform], [SYSTEM[process.platform]])
+    .then(function () {
+      console.log('Finish!')
+    })
+    .catch(function (err) {
+      console.error(err);
+    })
 } else if (argv) {
   let args = argv._;
   let packages = args.shift();

index.js

@@ -4,6 +4,7 @@ import which from 'which';
 import { spawn, fork } from 'child_process';
 import { dirname, join } from 'path';
 import { fileURLToPath } from 'url';
+import { createRequire } from 'module';
 
 const __filename = fileURLToPath(
   import.meta.url);
@@ -45,6 +46,8 @@ const SYS_MANAGERS = {
   shell: ['powershell'],
 };
 
+function Sys() { }
+
 function sysManager() {
   let managers = SYS_MANAGERS[process.platform];
   if (!managers || !managers.length) {
@@ -452,8 +455,12 @@ export const isMac = Sys.isMac = function () {
   return process.platform === 'darwin';
 }
 
-function Sys() { }
+/**
+ * Include an `CommonJS` module the old way.
+ *
+ * @param {string} module
+ */
+export const require = createRequire(import.meta.url);
 
 export default Sys;
-
 export const System = Sys;

package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "node-sys",
-  "version": "1.1.2",
-  "description": "Universal package installer, get the command for managing packages, or auto install any package, using one command for all platforms. Automate the installation of macOS Brew, and Windows Chocolatey package managers. A promisify child process of spawn, run as administrator.",
+  "version": "1.1.3",
+  "description": "Universal package installer, get the command for managing packages, or auto install any package, using one command for all platforms. Automate the installation of macOS Brew, and Windows Chocolatey package managers. A promisify child process of spawn, and run as administrator. A series of strick type checkers.",
   "type": "module",
   "main": "index.js",
   "bin": {
@@ -48,7 +48,8 @@
     "child_process",
     "promisify",
     "administrator",
-    "sudo"
+    "sudo",
+    "require"
   ],
   "author": "l. stubbs <[email protected]>",
   "contributors": [

package.json

@@ -1,11 +1,12 @@
 import chai from 'chai';
-import Sys, { isLinux, isMac, isWindows } from '../index.js';
+import Sys from '../index.js';
 import {
   Readable
 } from 'stream';
 import {
   packager, installer,
-  where, spawning, System
+  where, spawning, System,
+  isLinux, isMac, isWindows, require
 } from '../index.js';
 
 const expect = chai.expect;
@@ -372,6 +373,14 @@ describe('Method: `where`', function () {
   });
 });
 
+describe('Method: `require`', function () {
+  it('should return included module like CommonJs', function (done) {
+    const which = require('which');
+    expect(Sys.isFunction(which)).to.equal(true);
+    done();
+  });
+});
+
 describe('Function: `Sys`', function () {
   it('should instanced itself like a class', function () {
     const sys = new Sys();