Issues

• Unbounded Array Allocation via Numeric Keys in unflatten()

  hughsk/flat#195 · Filter by author August829 opened on Sep 16, 2026

• Security: Uncontrolled Recursion DoS in flatten() - CWE-674 (Stack Overflow)

  hughsk/flat#189 · Filter by author uug4na opened on Feb 24, 2026

• flatten accepts null/undefined type

  hughsk/flat#187 · Filter by author jonathanmhcai opened on Oct 21, 2025

• Is it possible to maintain array, but not content?

  hughsk/flat#186 · Filter by author Noitidart opened on Apr 24, 2025

• Return type of flatten/unflatten

  bug
  hughsk/flat#179 · Filter by author stychu opened on Sep 4, 2024
  6

• Empty objects are ignored by flatten

  hughsk/flat#177 · Filter by author vickyRathee opened on Jul 4, 2024

• Support for cyclic objects

  hughsk/flat#161 · Filter by author maximilianMairinger opened on Mar 3, 2023

• Feature request: add ability to prevent modifying certain value in unflatten

  hughsk/flat#160 · Filter by author jamauro opened on Jan 10, 2023
  2

• [question] how could we define don't flat some specific object by the key?

  hughsk/flat#152 · Filter by author joneldiablo opened on Aug 29, 2022

• Rename master branch to main

  enhancement
  hughsk/flat#141 · Filter by author jonkoops opened on Aug 18, 2022
  

• Unflatten partial arrays

  hughsk/flat#130 · Filter by author willgarcia opened on Aug 27, 2021

• Unflatten method doesn't work with "toString" key

  hughsk/flat#127 · Filter by author yukienomiya opened on Jul 30, 2021

• maxDepth unflatten

  hughsk/flat#120 · Filter by author joneldiablo opened on Mar 10, 2021

• Why cats are also flattened? 🐈

  hughsk/flat#118 · Filter by author nikitaeverywhere opened on Nov 12, 2020
  1

• Possible to keep parent key

  hughsk/flat#116 · Filter by author yashinnhl opened on Nov 5, 2020
  3

• What option to make difference between object & array

  hughsk/flat#115 · Filter by author tangkhaiphuong opened on Oct 29, 2020
  1

• Add transformFirst option to allow modification of key to provide first key capability

  hughsk/flat#107 · Filter by author jottinger opened on Aug 4, 2020
  1

• unflatten object with number as key replaces object with an array of n number length

  hughsk/flat#103 · Filter by author TLPcoder opened on Jul 17, 2020
  2

• Who is down for a minDepth option?

  hughsk/flat#99 · Filter by author sunknudsen opened on Mar 18, 2020
  2

• Possible to allow key's with '.'s in them?

  hughsk/flat#96 · Filter by author sorahn opened on Mar 7, 2020
  4

• Does unflatten enter into infinite recursion on function or array members?

  hughsk/flat#94 · Filter by author cmeeren opened on Jan 25, 2020
  3

• Flatten starting at a specific level

  hughsk/flat#89 · Filter by author amitrai4code opened on Oct 22, 2019

• heap out of memory

  hughsk/flat#86 · Filter by author ash0080 opened on Aug 9, 2019
  3

• Flatten arrays to string

  hughsk/flat#85 · Filter by author Migaelh opened on Jun 4, 2019
  2

• Escape keys with delimiters

  hughsk/flat#79 · Filter by author wvh opened on Aug 31, 2018
  4