[backport] Add plugins packs support

app-loader/app-loader.coffee

@@ -35,6 +35,10 @@ loadStylesheet = (path) ->
 loadPlugin = (pluginPath) ->
     return new Promise (resolve, reject) ->
         success = (plugin) ->
+            if plugin.isPack
+                for item in plugin.plugins
+                    window.taigaContribPlugins.push(item)
+            else
                 window.taigaContribPlugins.push(plugin)
 
             if plugin.css
@@ -47,7 +51,7 @@ loadPlugin = (pluginPath) ->
                 resolve()
 
         fail = () ->
-            console.error("error loading", pluginPath);
+            console.error("error loading", pluginPath)
 
         $.getJSON(pluginPath).then(success, fail)
 

scripts/generated-packed-plugins.py

@@ -0,0 +1,38 @@
+import os
+import json
+
+plugins = []
+for f in os.listdir("./dist/plugins"):
+    if f != "packed":
+        plugins.append(json.load(open("./dist/plugins/{}/{}.json".format(f,f))))
+
+js = ""
+css = ""
+for plugin in plugins:
+    if "js" in plugin:
+        js += open("./dist{}".format(plugin['js']), "r").read()
+        del plugin["js"]
+    if "css" in plugin:
+        js += open("./dist{}".format(plugin['css']), "r").read()
+        del plugin["css"]
+
+os.makedirs("./dist/plugins/packed", exist_ok=True)
+
+plugins_js_file = open("./dist/plugins/packed/plugins.js", "w")
+plugins_js_file.write(js)
+plugins_js_file.close()
+
+plugins_css_file = open("./dist/plugins/packed/plugins.css", "w")
+plugins_css_file.write(css)
+plugins_css_file.close()
+
+packedPlugin = {
+    "isPack": True,
+    "js": "/plugins/packed/plugins.js",
+    "css": "/plugins/packed/plugins.css",
+    "plugins": plugins
+}
+
+plugins_json_file = open("./dist/plugins/packed/packed.json", "w")
+json.dump(packedPlugin, plugins_json_file)
+plugins_json_file.close()