refactorings in parsing

src/application/Parser/CategoryParser.ts

@@ -0,0 +1,70 @@
+import { YamlCategory, YamlScript } from 'js-yaml-loader!./application.yaml';
+import { Script } from '@/domain/Script';
+import { Category } from '../../domain/Category';
+import { parseDocUrls } from './DocumentationParser';
+
+let categoryIdCounter: number = 0;
+
+interface IParsingContext {
+    category: YamlCategory;
+    selectedScripts: Script[];
+}
+
+interface ICategoryChildren {
+    subCategories: Category[];
+    subScripts: Script[];
+}
+
+export function parseCategory(context: IParsingContext): Category {
+    if (!context.category.children || context.category.children.length <= 0) {
+        throw Error('Category has no children');
+    }
+    const children: ICategoryChildren = {
+        subCategories: new Array<Category>(),
+        subScripts: new Array<Script>(),
+    };
+    for (const categoryOrScript of context.category.children) {
+        parseCategoryChild(categoryOrScript, children, context);
+    }
+    return new Category(
+        /*id*/ categoryIdCounter++,
+        /*name*/ context.category.category,
+        /*docs*/ parseDocUrls(context.category),
+        /*categories*/ children.subCategories,
+        /*scripts*/ children.subScripts,
+    );
+}
+
+function parseCategoryChild(
+    categoryOrScript: any, children: ICategoryChildren, parent: IParsingContext) {
+    if (isCategory(categoryOrScript)) {
+        const subCategory = parseCategory(
+            {
+                category: categoryOrScript as YamlCategory,
+                selectedScripts: parent.selectedScripts,
+            });
+        children.subCategories.push(subCategory);
+    } else if (isScript(categoryOrScript)) {
+        const yamlScript = categoryOrScript as YamlScript;
+        const script = new Script(
+            /* name */  yamlScript.name,
+            /* code */ yamlScript.code,
+            /* docs */ parseDocUrls(yamlScript));
+        children.subScripts.push(script);
+        if (yamlScript.default === true) {
+            parent.selectedScripts.push(script);
+        }
+    } else {
+        throw new Error(`Child element is neither a category or a script.
+                Parent: ${parent.category.category}, element: ${categoryOrScript}`);
+    }
+}
+
+
+function isScript(categoryOrScript: any): boolean {
+    return categoryOrScript.code && categoryOrScript.code.length > 0;
+}
+
+function isCategory(categoryOrScript: any): boolean {
+    return categoryOrScript.category && categoryOrScript.category.length > 0;
+}