added settings schema defaults fetching (#76)

src/schema.js

@@ -1,5 +1,6 @@
 import { AssetsSchema } from './schema/assets.js';
 import { ComponentSchema } from './schema/components.js';
+import { SettingsSchema } from './schema/settings.js';
 
 /**
  * Provides methods to access the Editor schema.
@@ -14,6 +15,7 @@ class Schema {
         this._schema = schema;
         this._componentSchema = new ComponentSchema(this);
         this._assetsSchema = new AssetsSchema(this);
+        this._settingsSchema = new SettingsSchema(this);
     }
 
     /**
@@ -34,6 +36,15 @@ class Schema {
         return this._assetsSchema;
     }
 
+    /**
+     * Gets the settings schema
+     *
+     * @type {SettingsSchema}
+     */
+    get settings() {
+        return this._settingsSchema;
+    }
+
     /**
      * Converts the specified schema field to a type recursively.
      *

src/schema/settings.js

@@ -0,0 +1,54 @@
+import { utils } from "../utils.js";
+
+/**
+ * Provides methods to access the settings schema
+ */
+class SettingsSchema {
+    /** @typedef {import("../schema").Schema} Schema */
+
+    /**
+     * Creates new instance of API
+     *
+     * @category Internal
+     * @param {Schema} schema - The schema API
+     */
+    constructor(schema) {
+        this._schemaApi = schema;
+        this._schema = this._schemaApi._schema.settings;
+    }
+
+    _getDefaultData(obj, scope) {
+        const result = {};
+        for (const key in obj) {
+            if (key.startsWith('$')) continue;
+            if (!(obj[key] instanceof Object)) continue;
+
+            if (obj[key].hasOwnProperty('$default')) {
+                if (obj[key].$scope === scope) {
+                    result[key] = utils.deepCopy(obj[key].$default);
+                }
+                continue;
+            } else {
+                const subDefaults = this._getDefaultData(obj[key], scope);
+                if (Object.keys(subDefaults).length) {
+                    result[key] = subDefaults;
+                }
+            }
+        }
+        return result;
+    }
+
+    getDefaultProjectSettings() {
+        return this._getDefaultData(this._schema, 'project');
+    }
+
+    getDefaultUserSettings() {
+        return this._getDefaultData(this._schema, 'user');
+    }
+
+    getDefaultProjectUserSettings() {
+        return this._getDefaultData(this._schema, 'projectUser');
+    }
+}
+
+export { SettingsSchema };