Support for library source plugins

packages/node_modules/@node-red/runtime/lib/api/settings.js

@@ -81,7 +81,7 @@ var api = module.exports = {
 
         if (!runtime.settings.disableEditor) {
             safeSettings.context = runtime.nodes.listContextStores();
-
+            safeSettings.libraries = runtime.library.getLibraries();
             if (util.isArray(runtime.settings.paletteCategories)) {
                 safeSettings.paletteCategories = runtime.settings.paletteCategories;
             }

packages/node_modules/@node-red/runtime/lib/index.js

@@ -74,7 +74,6 @@ function init(userSettings,httpServer,_adminApi) {
         adminApi = _adminApi;
     }
     redNodes.init(runtime);
-    library.init(runtime);
     externalAPI.init(runtime);
 }
 
@@ -104,6 +103,7 @@ function start() {
     return i18n.registerMessageCatalog("runtime",path.resolve(path.join(__dirname,"..","locales")),"runtime.json")
         .then(function() { return storage.init(runtime)})
         .then(function() { return settings.load(storage)})
+        .then(function() { return library.init(runtime)})
         .then(function() {
 
             if (log.metric()) {

packages/node_modules/@node-red/runtime/lib/library/index.js

@@ -15,21 +15,54 @@
  **/
 
 
-var knownTypes = {};
+const {events} = require("@node-red/util")
+const knownTypes = {};
+const libraries = {};
+const libraryPlugins = {};
 
-var libraries = {};
+// Libraries defined in the settings file. Their configurations
+// cannot be modified in the editor.
+let runtimeLibraries = [];
 
+// Libraries defined by the user in the editor.
+let userLibraries = [];
 
 function init(runtime) {
-    knownTypes = {
-        'flows': 'node-red'
-    };
 
-    libraries["_examples_"] = require("./examples");
-    libraries["_examples_"].init(runtime);
+    events.on("registry:plugin-added", function(id) {
+        const plugin = runtime.plugins.getPlugin(id);
+        if (plugin.type === "node-red-library-source") {
+            libraryPlugins[plugin.id] = plugin;
+
+            runtimeLibraries.forEach(library => {
+                if (library.type === id) {
+                    library.local = false;
+                    libraries[library.id] = new plugin.class(library)
+                    if (libraries[library.id].init) {
+                        libraries[library.id].init();
+                    }
+                }
+            })
+
+
+        }
+    })
+
+    knownTypes.flows = 'node-red';
+
+    libraries["examples"] = require("./examples");
+    libraries["examples"].init(runtime);
     libraries["local"] = require("./local");
     libraries["local"].init(runtime);
 
+    try {
+        runtimeLibraries = runtime.settings.editorTheme.library.sources;
+    } catch(err) {
+        runtimeLibraries = [];
+    }
+    // userLibraries = runtime.settings.get("library")
+
+
 }
 
 function registerType(id,type) {
@@ -56,7 +89,7 @@ function saveEntry(library,type,path,meta,body) {
         throw new Error(`Unknown library type '${type}'`);
     }
     if (libraries.hasOwnProperty(library)) {
-        if (libraries[library].hasOwnProperty("saveEntry")) {
+        if (libraries[library].saveEntry) {
             return libraries[library].saveEntry(type,path,meta,body);
         } else {
             throw new Error(`Library '${library}' is read-only`);
@@ -66,8 +99,43 @@ function saveEntry(library,type,path,meta,body) {
     }
 }
 
+function getLibraries() {
+    const libraryList = [
+        {
+            id: "local",
+            label: "editor:library.types.local",
+            user: false,
+            icon: "fa fa-bath"
+        },
+        {
+            id: "examples",
+            label: "editor:library.types.examples",
+            user: false,
+            readOnly: true,
+            types: ['flows']
+        }
+    ];
+
+    for (let id in libraries) {
+        if (libraries.hasOwnProperty(id)) {
+            if (id !== 'local' && id !== 'examples') {
+                libraryList.push({
+                    id: id,
+                    label: libraries[id].name || id,
+                    user: false,
+                    icon: libraries[id].icon
+                })
+            }
+        }
+    }
+
+    return libraryList;
+
+}
+
 module.exports = {
     init: init,
+    getLibraries: getLibraries,
     register: registerType,
     getEntry: getEntry,
     saveEntry: saveEntry