fix: propagate options in recursions

Author: jsertx

src/transformKeysToSnake.js

@@ -7,11 +7,13 @@ const snakeCase = require('./snakeCase')
  * Transform object keys to snake case
  * e.g. { fooBar: 1 } => { foo_bar: 1 }
  * @param {Object} obj
+ * @param {Object} [opts]
+ * @param {boolean} [opts.recursive]
  * @returns {Object}
  */
-const transformKeysToSnake = (obj, { recursive } = {}) => {
+const transformKeysToSnake = (obj, opts) => {
   if (Array.isArray(obj)) {
-    return obj.map(item => transformKeysToSnake(item))
+    return obj.map(item => transformKeysToSnake(item, opts))
   }
 
   if (!isPlainObject(obj)) {
@@ -21,7 +23,7 @@ const transformKeysToSnake = (obj, { recursive } = {}) => {
   return Object.fromEntries(
     Object.entries(obj).map(([k, v]) => [
       snakeCase(k),
-      recursive ? transformKeysToSnake(v) : v
+      opts?.recursive ? transformKeysToSnake(v, opts) : v
     ])
   )
 }

test/transformKeystoSnake.js

@@ -6,7 +6,7 @@ const assert = require('assert')
 const { transformKeysToSnake } = require('../index')
 const { itEach } = require('mocha-it-each')
 
-describe.only('transformKeysToSnake', () => {
+describe('transformKeysToSnake', () => {
   describe('non recursive (default)', () => {
     itEach('should return input when it is not an object', [new Date(), null, false], (input) => {
       assert.equal(transformKeysToSnake(input), input)
@@ -61,6 +61,9 @@ describe.only('transformKeysToSnake', () => {
         nestedProp: {
           first_name: 'john',
           lastName: 'doe',
+          level2: {
+            fooBar: 'x'
+          },
           tags: ['keepCamel']
         },
         someObjs: [
@@ -73,6 +76,9 @@ describe.only('transformKeysToSnake', () => {
         nested_prop: {
           first_name: 'john',
           last_name: 'doe',
+          level2: {
+            foo_bar: 'x'
+          },
           tags: ['keepCamel']
         },
         some_objs: [