fix: use cross-spawn to support Windows

BREAKING CHANGE: run(cmd, args) now needs second param args

lib/index.js

@@ -132,7 +132,7 @@ async function makes(supplier, {
       prompts,
       ansiColors,
       sisteransi,
-      run: cmd => run(cmd, targetDir)
+      run: (cmd, args) => run(cmd, args, targetDir)
     });
   }
 }

lib/run.js

@@ -1,14 +1,10 @@
-const {spawn} = require('child_process');
+const spawn = require('cross-spawn');
 
-module.exports = function(command, dir) {
-  const [cmd, ...args] = command.split(/\s+/);
+module.exports = function(command, args = [], dir = '.') {
   return new Promise((resolve, reject) => {
-    const proc = spawn(cmd, args,
-      { stdio: 'inherit', cwd: dir }
-    );
+    const proc = spawn(command, args, {stdio: 'inherit', cwd: dir});
 
     proc.on('error', reject);
-
     proc.on('exit', (code, signal) => {
       if (code) {
         reject(new Error('Process exit code: ' + code + ' signal: ' + signal));

lib/skeleton-config.js

@@ -86,7 +86,6 @@ module.exports = async function(dir, {
 };
 
 function npmInstall(dir) {
-  const cmd = 'npm i --only=prod';
-  info('Skeleton requires additional dependencies. Running ' + cmd);
-  return run(cmd, dir);
+  info('Skeleton requires additional dependencies. Running npm i --only=prod');
+  return run('npm', ['i', '--only=prod'], dir);
 }

package.json

@@ -39,6 +39,7 @@
   "devDependencies": {
     "ansi-colors": "^3.2.4",
     "ava": "^1.4.1",
+    "cross-spawn": "^6.0.5",
     "eslint": "^5.16.0",
     "gunzip-maybe": "^1.4.1",
     "hosted-git-info": "^2.7.1",

test/run.spec.js

@@ -2,15 +2,15 @@ import test from 'ava';
 import run from '../lib/run';
 
 test('run a command', async t => {
-  await run('echo hello');
+  await run('echo', ['hello']);
   t.pass('successfully run a command');
 });
 
 test('run a command in a different cwd', async t => {
-  await run('ls index.js', 'lib');
+  await run('ls', ['index.js'], 'lib');
   t.pass('successfully run a command in a different cwd');
 });
 
 test('run a command, catch failure', async t => {
-  await t.throwsAsync(async () => run('ls no-such-file', 'lib'));
+  await t.throwsAsync(async () => run('ls', ['no-such-file'], 'lib'));
 });