Some npm scripts for maintainance.

* `npm run clean` ... clears the caches. This is usually done when *uglify-* *(at some point terser)* needs a refreshing after a dep update *(and what I usually get to do by hand for the last few years)*
* Renamed existing scripts to match their counterpart names e.g.
* `npm run preinstall` ... will get rid of that pesky `package-lock.json` when needed and is run on `npm install` always
* `npm run postinstall`... well probably shouldn't run this directly at all but it's there none-the-less

NOTE:
* Most of these are meant to be very simple scripts. I'd use direct commands but then Windows users would be left out of the mix... so utilizing *node* native APIs

Applies to OpenUserJS#249

dev/clean.js

@@ -0,0 +1,39 @@
+'use strict';
+
+// Define some pseudo module globals
+var isPro = require('../libs/debug').isPro;
+var isDev = require('../libs/debug').isDev;
+var isDbg = require('../libs/debug').isDbg;
+
+//
+// NOTE: Only use native *node* `require`s in this file
+//   since dependencies may not be installed yet
+//
+var fs = require('fs');
+
+var rmFilesExceptHidden = function (dirPath) {
+  var files = null;
+  var filePath = null;
+  var i = null;
+
+  try {
+    files = fs.readdirSync(dirPath);
+  } catch (aE) {
+    console.warn(dirPath, 'path not found');
+    return;
+  }
+
+  if (files.length > 0) {
+    for (i = 0; i < files.length; i++) {
+      filePath = dirPath + '/' + files[i];
+      if (fs.statSync(filePath).isFile() && files[i].indexOf('.') !== 0) {
+        fs.unlinkSync(filePath);
+      }
+    }
+  }
+};
+
+console.log('Attempting to clean caches');
+rmFilesExceptHidden('./dev/cache/express-minify/release/');
+
+

dev/preinit.js → dev/preinstall.js

@@ -15,5 +15,5 @@ console.log('Attempting to delete `package-lock.json`');
 try {
   fs.unlinkSync('./package-lock.json');
 } catch (aE) {
-  console.log('Nothing to delete');
+  console.warn('`package-lock.json` not found');
 }

package.json

@@ -83,8 +83,9 @@
   "license": "(GPL-3.0 AND GFDL-1.3)",
   "scripts": {
     "start": "node app.js",
-    "preinstall": "node dev/preinit.js",
-    "postinstall": "node dev/postinit.js"
+    "preinstall": "node dev/preinstall.js",
+    "postinstall": "node dev/postinstall.js",
+    "clean": "node dev/clean.js"
   },
   "engines": {
     "node": ">=8.9.0 <9.0.0",