fix: handle top level arrays (#149)

bendrucker · Apr 9, 2024 · 3dd91f8 · 3dd91f8
1 parent c8faea9
commit 3dd91f8
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Showing 2 changed files with 17 additions and 3 deletions.
diff --git a/index.js b/index.js
@@ -4,8 +4,15 @@ const map = require('map-obj')
 const { snakeCase } = require('snake-case')
 
 module.exports = function (obj, options) {
-  if (Array.isArray(obj) && obj.some(item => item.constructor !== Object)) { throw new Error('obj must be array of plain objects') }
-  if (obj.constructor !== Object) throw new Error('obj must be an plain object')
+  if (Array.isArray(obj)) {
+    if (obj.some(item => item.constructor !== Object)) {
+      throw new Error('obj must be array of plain objects')
+    }
+  } else {
+    if (obj.constructor !== Object) {
+      throw new Error('obj must be an plain object')
+    }
+  }
 
   options = Object.assign({ deep: true, exclude: [], parsingOptions: {} }, options)
 

diff --git a/test.js b/test.js
@@ -21,7 +21,14 @@ test('shallow conversion with {deep: false}', function (t) {
   t.end()
 })
 
-test('arrays', function (t) {
+test('array of objects', function (t) {
+  const result = Snake([{ fooBar: 'baz' }])
+  t.deepEqual(result, [{ foo_bar: 'baz' }])
+  t.ok(Array.isArray(result))
+  t.end()
+})
+
+test('nested arrays', function (t) {
   const result = Snake({ foo: [0, 1, 2] })
   t.deepEqual(result, { foo: [0, 1, 2] })
   t.ok(Array.isArray(result.foo))