feat: implement mapper function

Author: Dave136

package.json

@@ -34,12 +34,16 @@
     "coverage": "pnpm lint && vitest run --coverage"
   },
   "devDependencies": {
+    "@types/lodash": "^4.14.195",
     "@vitest/coverage-v8": "0.33.0",
     "changelogen": "0.5.4",
     "prettier": "3.0.0",
     "tsup": "7.1.0",
     "typescript": "5.1.6",
     "vitest": "0.33.0"
   },
-  "license": "MIT"
+  "license": "MIT",
+  "dependencies": {
+    "lodash": "^4.17.21"
+  }
 }

pnpm-lock.yaml

@@ -1,5 +1,78 @@
-import { ShowMessage } from './types';
+import { isArray, isObject, has as $has, first as $first, each as $each } from 'lodash';
 
-export const showMessage: ShowMessage = (message) => console.log(message);
+/**
+ * Transform the Strapi API response removing the not needed nesting
+ * @param data object to mapping
+ * @returns mapped object
+ */
 
-showMessage('Hello world!');
+export function mapperData<T>(data: any): T {
+  // Single
+  if ($has(data, 'attributes')) {
+    return mapperData(removeObjectKey(data, 'attributes'));
+  }
+
+  // collection
+  if (isArray(data) && data.length && $has($first(data), 'attributes')) {
+    return data.map((el: any) => mapperData(el)) as T;
+  }
+
+  // Fields
+  $each(data, (value, key) => {
+    if (!value) return;
+
+    // single
+    if (isObject(value)) {
+      data[key] = mapperData(value);
+    }
+
+    // many
+    if (isArray(value)) {
+      data[key] = value.map((field) => mapperData(field));
+    }
+
+    // relation(s)
+    if ($has(value, 'data')) {
+      let relation = null;
+
+      // single
+      if (isObject(value.data)) {
+        relation = mapperData(value.data);
+      }
+
+      // many
+      if (isArray(value.data)) {
+        relation = value.data.map((el: any) => mapperData(el));
+      }
+
+      data[key] = relation;
+    }
+
+    // single component
+    if ($has(value, 'id')) {
+      data[key] = mapperData(value);
+    }
+
+    // repeatable component & dynamic zone
+    if (isArray(value) && $has($first(value), 'id')) {
+      data[key] = value.map((p) => mapperData(p));
+    }
+
+    // single media
+    if ($has(value, 'provider')) {
+      return;
+    }
+
+    // multiple media
+    if (isArray(value) && $has($first(value), 'provider')) {
+      return;
+    }
+  });
+
+  return data;
+}
+
+const removeObjectKey = <T extends { [key: string]: any }>(object: T, key: string): T => ({
+  id: object.id,
+  ...object[key],
+});

src/index.ts

@@ -1 +1 @@
-export type ShowMessage = (message: string) => void;
+export declare function mapperData<T>(data: any): T;