feat: new toPath method

src/JsonDB.ts

@@ -413,4 +413,36 @@ export class JsonDB {
             throw new DatabaseError("Can't save the database", 2, err)
         }
     }
+
+
+    /**
+     * Convert a router style path to a normal path
+     * @param path router based path to a correct base path
+     */
+    public async toPath(path: string ): Promise<string> {
+
+        const [,...pathToQuery] = path.split("/")
+
+        const pathObject = pathToQuery.reduce((prev, curr, indexPath) => {
+            const isKey = indexPath % 2 === 0
+            if (isKey) {
+                prev[`${curr}`] = ''
+            } else {
+                const keys = Object.keys(prev)
+                prev[`${keys[keys.length - 1]}`] = `${curr}`
+            }
+            return prev
+        }, {} as {[key: string]:string})
+
+        let router = ''
+
+        for await (const pathKey of Object.keys(pathObject)) {
+            router += `/${pathKey}`
+            const pathValue = pathObject[pathKey]
+            const pathIndex = await this.getIndex(router, pathValue)
+            router += `[${pathIndex}]`
+        }
+
+        return router
+    }
 }

test/04-array-utils.test.ts

@@ -212,6 +212,48 @@ describe('Array Utils', () => {
             expect(nestedArrayIndicies[1]).toEqual('2')
         })
     })
+    describe('To router path style to normal path', () => {
+        test('should convert a router style path to a normal path', async () => {
+            const recipe_1 = {
+                id: '78687873783', 
+                name: 'Gratin', 
+                category: 'Dish',
+            }
+            const recipe_2 = {
+                id: '65464646155',
+                name: 'Cheesecake',
+                category: 'Dessert',
+                nested: [
+                    {
+                        id: '458445',
+                        name: 'test-1',
+                    },
+                    {
+                        id: '88488',
+                        name: 'test-2',
+                    },
+                    {
+                        id: '458455',
+                        name: 'test-3',
+                    },
+                ],
+            }
+            const recipe_3 = {
+                id: '12335373873',
+                name: 'Soupe',
+                category: 'Starter',
+            }
+            await db.push('/recipes[0]', recipe_1, true)
+            await db.push('/recipes[1]', recipe_2, true)
+            await db.push('/recipes[2]', recipe_3, true)
+
+            const routerPathStyle = '/recipes/65464646155/nested/88488'
+
+            const normalPath = await db.toPath(routerPathStyle)
+
+            expect(normalPath).toEqual('/recipes[1]/nested[1]')
+        })
+    })
     describe('Cleanup', () => {
         test('should remove the test files', async () => {
             fs.unlinkSync('test/recipe.json')