Refactor build tasks and config file

Changed:
- Renamed 'mconfig.json' to 'loconfig.json'.
- Renamed 'concat.js' to 'concats.js' to represent flexible functionality.
- loconfig.json: Base paths are nested under "paths".
- loconfig.json: Paths for tasks are nested under "tasks".
- Refactored each task to process corresponding entries under "tasks" in 'loconfig.json'.
- watch.js: Changed concats watch to use task's includes.

Added:
- tiny-glob v0.2.9
- Utility 'glob.js' to use dynamic imports to fetch an available glob function from node modules.
- Utility 'template.js' to provide a function to render template tags (`{% ... %}`) in tasks.
- concats.js: Support for concatenating groupes of files.
- scripts.js: Support for ESBuild's "outdir" option.

build/tasks/scripts.js

@@ -1,40 +1,58 @@
-import paths from '../mconfig.json';
+import loconfig from '../../loconfig.json';
 import message from '../utils/message.js';
 import notification from '../utils/notification.js';
+import template from '../utils/template.js';
 import esbuild from 'esbuild';
+import { basename } from 'node:path';
 
 /**
  * Bundles and minifies main JavaScript files.
  */
 export async function compileScripts() {
-    [
-        'app.js',
-    ].forEach((filename) => {
-        const includes = [ paths.scripts.src  + filename ];
-        const outfile  = paths.scripts.dest + filename;
+    loconfig.tasks.scripts.forEach(async ({
+        includes,
+        outdir = '',
+        outfile = ''
+    }) => {
+        const filename = basename(outdir || outfile || 'undefined');
 
         const timeLabel = `${filename} compiled in`;
         console.time(timeLabel);
 
-        esbuild.build({
-            entryPoints: includes,
-            bundle: true,
-            minify: true,
-            sourcemap: true,
-            color: true,
-            logLevel: 'error',
-            target: [
-                'es2015',
-            ],
-            outfile
-        }).catch((err) => {
+        try {
+            includes = includes.map((path) => template(path));
+
+            if (outdir) {
+                outdir = template(outdir);
+            } else if (outfile) {
+                outfile = template(outfile);
+            } else {
+                throw new TypeError(
+                    'Expected \'outdir\' or \'outfile\''
+                );
+            }
+
+            await esbuild.build({
+                entryPoints: includes,
+                bundle: true,
+                minify: true,
+                sourcemap: true,
+                color: true,
+                logLevel: 'error',
+                target: [
+                    'es2015',
+                ],
+                outdir,
+                outfile
+            });
+
+            message(`${filename} compiled`, 'success', timeLabel);
+        } catch (err) {
             // errors managments (already done in esbuild)
             notification({
                 title:   `${filename} compilation failed 🚨`,
                 message: `${err.errors[0].text} in ${err.errors[0].location.file} line ${err.errors[0].location.line}`
             });
-        }).then(() => {
-            message(`${filename} compiled`, 'success', timeLabel);
-        });
+        }
     });
 };