experimenting...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

Viewer/e.js

@@ -148,7 +148,8 @@ function start(){
 	var _start = function(){
 		createSplash()
 		createWindow() }
-	// NOTE: by this time (arg parsing and stuff) the app may already be ready...
+	// NOTE: by this time (arg parsing and stuff) the app may already 
+	//		be ready...
 	app.isReady() ?
 		_start()
 		: app.on('ready', _start) }

Viewer/features/cli.js

@@ -181,7 +181,7 @@ var CLIActions = actions.Actions({
 	startREPL: ['- System/Start CLI interpreter',
 		{cli: {
 			name: '@repl',
-			interactive: true,
+			//interactive: true,
 		}},
 		function(){
 			var that = this
@@ -429,6 +429,16 @@ var CLIActions = actions.Actions({
 					return index
 						.sortImages()
 						.saveIndex() }) }],
+
+	// XXX this is still wrong...
+	_makeIndex: ['- System/',
+		`chain: 
+			"loadImages: $1" 
+			"saveIndex" 
+			"makePreviews: 'all'"
+			"sortImages"
+			"saveIndex"`],
+
 	// XXX does not work yet...
 	updateIndex: ['- System/Update index',
 		{cli: {

Viewer/features/core.js

@@ -2944,43 +2944,73 @@ var TaskActions = actions.Actions({
 	// XXX would be nice to have an ability to partially clone the instance...
 	// 		...currently we can do a full clone and remove things we do 
 	// 		not want but that still takes time and memory...
-	// XXX sould we also do a fast clone or shallow clone???
+	// XXX this does not copy aliases...
-	__clones: null,
+	// XXX might be a good idea to add a 'IsolatedTask' feature/mixin to
+	// 		handle cleanup (via .done() action)
+	// XXX should this be a prop -- .isolated???
+	__isolated: null,
+	get isolated(){
+		return (this.__isolated = this.__isolated || []) },
 	isolate: ['- System/',
 		function(){
-			var clones = this.__clones = this.__clones || []
+			var clones = this.isolated
 
 			var clone = this.clone(true)
-
 			// reset actions to exclude UI...
-			// XXX this still has all the ui handlers setup...
 			clone.__proto__ = ImageGridFeatures.setup([...this.features.input, '-ui'])
-
+			clone.parent = this
 			// link clone in...
 			clone.logger = this.logger.push(['Task', clones.length].join(' '))
 
 			clones.push(clone)
 			return clone }],
+	// XXX this is the same as LinkedTask(..) make a meta-function...
+	IsolatedTask: ['- System/',
+		function(action, ...args){
+			var that = this
+			var context = this.isolate
+
+			var res = context[action](...args)
+
+			var cleanup = function(){
+				var l = (that.__isolated || [])
+				l.includes(context)
+					&& l.splice(l.indexOf(context), 1) }
+
+			res.then ?
+				res.finally(cleanup)
+				: cleanup()
+
+			return res === context ? 
+				undefined 
+				: res }],
+
 	// Create a new ig instance with the same data...
 	//
 	// This will reflect the data changes while when the main index is 
 	// cleared or reloaded this will retain the old data...
-	__links: null,
+	//
+	// XXX should this be a prop -- .linked???
+	__linked: null,
+	get linked(){
+		return (this.__linked = this.__linked || []) },
 	link: ['- System/',
 		function(){
 			var that = this
-			var links = this.__links = this.__links || []
+			var links = this.linked
-			// XXX we need to only link it part of the data, for example 
-			// 		._action_handlers is action-set specific and should 
-			// 		not be overwritten...
 			var link = ImageGridFeatures.setup([...this.features.input, '-ui'])
-			// XXX this is not a clean clone...
+
 			return Object.assign(
 					link,
-					this)
+					this,
+					{parent: this})
 				.run(function(){
 					this.logger = that.logger.push(['Task', links.length].join(' '))
 					links.push(this) }) }],
+	// XXX this should delete the clone when done...
+	LinkedTask: ['- System/',
+		function(){}],
+
 })
 
 var Tasks = 

Viewer/features/sharp.js

@@ -856,6 +856,17 @@ var SharpActions = actions.Actions({
 						return gid }) })],
 	cacheAllMetadata: ['- Sharp/Image/',
 		'cacheMetadata: "all" ...'],
+
+
+	// XXX EXPERIMENTAL...
+	makePreviewsAndSave: ['- Sharp|File/',
+		function(){
+			var link = this.link()
+			return link
+				.makePreviews(...arguments)
+				.then(function(){
+					link.saveIndex
+						&& link.saveIndex() }) }],
 })
 
 

Viewer/package-lock.json

@@ -1181,9 +1181,9 @@
       "integrity": "sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg=="
     },
     "ig-actions": {
-      "version": "3.24.28",
+      "version": "3.24.29",
-      "resolved": "https://registry.npmjs.org/ig-actions/-/ig-actions-3.24.28.tgz",
+      "resolved": "https://registry.npmjs.org/ig-actions/-/ig-actions-3.24.29.tgz",
-      "integrity": "sha512-3Um0eHHg15y6bxpLZV+FB88qtBro9iXXHNcoOvOf64I4eu+VPThSe3HBUkw03V81Qv19dSlmNYIPHXU1LcMbRw==",
+      "integrity": "sha512-qfb4zda/cQQ3feOCXO97EOn5i/ac8Zei1CXeiTZlwo+QgtpGdSLC6/pV6Dby+8ikjWLfxVhbd/lK0hBk3g39Jw==",
       "requires": {
         "ig-object": "^5.4.12"
       }

Viewer/package.json

@@ -30,7 +30,7 @@
     "generic-walk": "^1.4.0",
     "glob": "^7.1.6",
     "guarantee-events": "^1.0.0",
-    "ig-actions": "^3.24.28",
+    "ig-actions": "^3.24.29",
     "ig-argv": "^2.16.3",
     "ig-features": "^3.4.5",
     "ig-object": "^5.4.14",