TranscryptOrg/Transcrypt

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Python 3.9 to JavaScript compiler - Lean, fast, open!

Stars: 2.9k
Forks: 218
Open beginner issues: 0
Indexed issues: 187

Dominant language: Python
License: Apache-2.0
Last GitHub push: Jun 20, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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187 open issues indexed

re: character classes are parsed as regular expressions Open

Difficulty 3/5 1-2 days Newbie friendliness 76/100

TranscryptOrg/Transcrypt#914 · Opened Aug 29, 2026
__terminal__ output reappears after clearing the element Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

TranscryptOrg/Transcrypt#913 · Opened Aug 26, 2026
int () truncates its result to 32 bits Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

TranscryptOrg/Transcrypt#911 · 2 comments · Opened Aug 26, 2026
compiler1.py / compiler38.py appear to be dead code that has drifted from compiler.py (including missing bugfixes) — should be removed or clarified Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TranscryptOrg/Transcrypt#910 · Opened Aug 23, 2026
Mutable default arguments are recreated on each function call instead of shared between calls Open

IS: bug?

Difficulty 3/5 1-2 days Newbie friendliness 52/100

TranscryptOrg/Transcrypt#909 · Opened Aug 16, 2026
float() does not behave the same as CPython Open

IS: bug

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

TranscryptOrg/Transcrypt#908 · Opened Jul 3, 2026
Java required when making multiple targets Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

TranscryptOrg/Transcrypt#907 · Opened Jun 20, 2026
datetime. trptime/strftime does not appear to support %z for parsing/formatting timezone Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

TranscryptOrg/Transcrypt#906 · Opened Jun 18, 2026
Running Transcrypt with python 3.14 Open

PRIO: 1 must

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

TranscryptOrg/Transcrypt#904 · Opened Feb 17, 2026
How to access a javscript library whose name includes '-'? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#903 · 1 comment · Opened Jul 24, 2025
list.pop() in a list with 'undefined' returned from a function raises IndexError Open

IS: bug?

Difficulty 3/5 1-2 days Newbie friendliness 48/100

TranscryptOrg/Transcrypt#901 · Opened Jun 30, 2025
How to inject multi line JS code in ___pragma___()? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#899 · 4 comments · Opened Jun 18, 2025
enumerate on list: py_enumerate is not defined error Open

IS: bug?

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#896 · 14 comments · Opened Jun 15, 2025
API/Lib Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

TranscryptOrg/Transcrypt#891 · 1 comment · Opened Mar 6, 2025
Programmatic API Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TranscryptOrg/Transcrypt#889 · Opened Feb 15, 2025
problem with tuple+obj and list+obj expressions Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TranscryptOrg/Transcrypt#888 · 2 comments · Opened Dec 30, 2024
problem with invert operator expression Open

IS: bug?

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TranscryptOrg/Transcrypt#887 · Opened Dec 23, 2024
problem with in-place floordiv expression Open

IS: bug?

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#886 · Opened Dec 23, 2024
BUG: `kwargs` don't work Open

IS: bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TranscryptOrg/Transcrypt#884 · 4 comments · Opened Sep 17, 2024
Default parameters on async functions do not work in Safari Open

STATE: under consideration

Difficulty 3/5 1-2 days Newbie friendliness 42/100

TranscryptOrg/Transcrypt#881 · 1 comment · Opened Sep 1, 2024
`__new__` ignores all arguments Open

IS: bug?

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TranscryptOrg/Transcrypt#880 · Opened Aug 25, 2024
New option to include Python docstrings in the output JS as JSDoc Open

STATE: under consideration

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#878 · 2 comments · Opened Aug 7, 2024
Add python 3.12 syntax support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TranscryptOrg/Transcrypt#865 · 1 comment · 6 reactions · Opened Oct 22, 2023
... in python code aborts compilation Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TranscryptOrg/Transcrypt#864 · 1 comment · Opened Oct 11, 2023
How to compare two methods? Open

IS: limitation IS: question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#863 · Opened Oct 11, 2023
Minification error on del[] Open

IS: bug?

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#858 · 1 comment · Opened Jul 17, 2023
A method in the second base class is not called even when the first base class is empty. Open

IS: bug?

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#857 · Opened Jun 17, 2023
A boolean operator is translated to a bitwise operator, not a boolean operator Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TranscryptOrg/Transcrypt#856 · 1 comment · Opened Jun 11, 2023
Can you please maintain directory structure in __target__/ ? Open

IS: exploratory

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#855 · 1 comment · Opened Jun 7, 2023
Feature: `__` private members/name mangling in classes Open

IS: enhancement IS: exploratory

Difficulty 5/5 Over a week Newbie friendliness 25/100

TranscryptOrg/Transcrypt#853 · 1 comment · Opened Jun 6, 2023
nodejs_demo doesn't work as described on web site; does via readme Open

SUB: documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TranscryptOrg/Transcrypt#851 · 2 comments · Opened Apr 29, 2023
parcel_demo needs to be updated to use Parcel V2 Open

IS: demo SUB: documentation

Difficulty 3/5 1-2 days Newbie friendliness 38/100

TranscryptOrg/Transcrypt#847 · Opened Apr 23, 2023
Can't compile curly braces in format string Open

IS: bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TranscryptOrg/Transcrypt#845 · Opened Apr 23, 2023
Missing types in the typing module Open

IS: enhancement

Difficulty 1/5 Under an hour Newbie friendliness 55/100

TranscryptOrg/Transcrypt#843 · Opened Apr 14, 2023
Dictionary unpacking causes a transpiling error Open

IS: bug?

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TranscryptOrg/Transcrypt#837 · 2 comments · Opened Dec 5, 2022
Compiling for nodes aborts with "SyntaxError: Cannot use import statement outside a module" Open

IS: demo SUB: documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#832 · 3 comments · Opened Nov 25, 2022
.continue() method Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TranscryptOrg/Transcrypt#826 · 4 comments · Opened Aug 25, 2022
Descriptor Protocol Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TranscryptOrg/Transcrypt#825 · Opened Jun 7, 2022
Feature request regarding COR/local use of Transcrypt files in combination with pywebview Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TranscryptOrg/Transcrypt#824 · Opened May 3, 2022
Transcrypt not able to translate addict.py correctly : Creates circular dependency Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TranscryptOrg/Transcrypt#823 · 1 comment · Opened Apr 28, 2022
Support for dict unpacking (object spread equivalent) Open

IS: enhancement PRIO: 3 nice

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#820 · 1 comment · Opened Mar 25, 2022
problem with fcall __pragma__ Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#819 · Opened Mar 17, 2022
problem with super() call Open

IS: bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TranscryptOrg/Transcrypt#818 · Opened Mar 16, 2022
Prototype pollution Open

PRIO: 2 want STATE: under consideration

Difficulty 3/5 1-2 days Newbie friendliness 48/100

TranscryptOrg/Transcrypt#816 · 2 reactions · Opened Mar 9, 2022
Add a way to generate CommonJS modules Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TranscryptOrg/Transcrypt#815 · 2 comments · Opened Feb 27, 2022
problem with del dict['key'] Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#811 · 1 comment · Opened Feb 15, 2022
error comparing array and tuples Open

IS: exploratory

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#807 · Opened Feb 1, 2022
context.__exit__ is not called if with block returns Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#799 · 7 comments · Opened Dec 7, 2021
error when add type hint in class without value Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#795 · 4 comments · Opened Aug 27, 2021
Feature request - Version check Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TranscryptOrg/Transcrypt#793 · 2 reactions · Opened Aug 20, 2021

TranscryptOrg/Transcrypt

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