microsoft/tslib

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Runtime library for TypeScript helpers.

Stars: 1.3k
Forks: 145
Open beginner issues: 0
Indexed issues: 36

Dominant language: TypeScript
License: 0BSD
Last GitHub push: Mar 2, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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36 open issues indexed

__extends继承Array时，不符合预期 Open

question

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

microsoft/tslib#286 · 1 comment · Opened Mar 20, 2026
End of life support for tslib v2.3.0 Open

Difficulty 1/5 Under an hour Newbie friendliness 15/100

microsoft/tslib#268 · 1 comment · Opened Sep 18, 2024
import error: '__spreadArray' is not exported from 'tslib' (imported as '__spreadArray'). Open

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

microsoft/tslib#264 · Opened Jul 10, 2024
Performance improvement Open

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

microsoft/tslib#232 · 2 comments · Opened Dec 4, 2023
Regression failure upgrading from 2.5.0 to 2.5.1+, webpack fails to transpile new export statement for ES5. Open

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

microsoft/tslib#231 · 3 comments · Opened Nov 29, 2023
calls to tslib __setFunctionName fail on Cobalt 9 Open

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

microsoft/tslib#214 · 5 comments · Opened Jul 14, 2023
tslib >=2.5.1 regression - increases bundle size caused by noop `Object.create;` statements Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/tslib#212 · Opened Jun 22, 2023
Generate SLSA Build L3 provenance Open

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

microsoft/tslib#210 · 4 comments · Opened Jun 14, 2023
Cannot find module '...node_modules/tslib/modules/index.js' imported from chunks/app/server.mjs Open

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

microsoft/tslib#209 · 2 comments · 6 reactions · Opened Jun 12, 2023
__importDefault method may return an object with undefined default property Open

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

microsoft/tslib#190 · 2 comments · Opened Dec 21, 2022
Is this project dead from community?? Open

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

microsoft/tslib#180 · 1 comment · Opened Jul 6, 2022
TypeError when spreadArray is used on a string containing an emoji/Unicode character Open

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

microsoft/tslib#175 · 1 comment · 10 reactions · Opened Mar 21, 2022
tslib should follow standards for ESM/CJS detection Open

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

microsoft/tslib#173 · 9 comments · 5 reactions · Opened Feb 25, 2022
Package tslib has been ignored because it contains invalid configuration Open

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

microsoft/tslib#170 · 2 comments · 3 reactions · Opened Jan 26, 2022
Wrong exports in tslib Open

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

microsoft/tslib#161 · 10 comments · 2 reactions · Opened Nov 20, 2021
main.js:1 Uncaught Error: Cannot find module 'tslib' Open

Difficulty 3/5 1-2 days Newbie friendliness 28/100

microsoft/tslib#156 · 1 reaction · Opened Aug 19, 2021
question: why isn't it tslib distributed together with tsc? Open

question

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

microsoft/tslib#150 · 3 comments · Opened May 20, 2021
export '__spreadArray' (imported as '__spreadArray') was not found in 'tslib' Open

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

microsoft/tslib#149 · 3 comments · 19 reactions · Opened Apr 17, 2021
Document compatibility of tslib with typescript Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/tslib#148 · 3 comments · 3 reactions · Opened Apr 8, 2021
'tslib' does not provide an export named '__decorate' Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

microsoft/tslib#147 · 3 comments · 3 reactions · Opened Mar 26, 2021
2.1.0 version with node and jest mocking causes errors Open

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

microsoft/tslib#145 · 5 reactions · Opened Jan 25, 2021
modules/index.js should re-export tslib.es6.js instead of tslib.js Open

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

microsoft/tslib#143 · 22 comments · 1 reaction · Opened Jan 14, 2021
Dead tslib.es6.js code Open

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

microsoft/tslib#132 · Opened Oct 16, 2020
Version 1.14.0 removes default export Open

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

microsoft/tslib#128 · 2 comments · 2 reactions · Opened Oct 8, 2020
__spread Performance Issues Open

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

microsoft/tslib#125 · 2 comments · Opened Aug 27, 2020
v1.13.0 Error with older typescript version -- node_modules/tslib/tslib.d.ts(37,78): error TS2304: Cannot find name 'PropertyKey'. (When targeting es3) Open

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

microsoft/tslib#115 · 3 comments · Opened May 18, 2020
__importStar can result in undefined imports when importing cyclical dependencies Open

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

microsoft/tslib#114 · Opened May 15, 2020
"constructor" is enumerable when targetting es5 Open

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

microsoft/tslib#104 · 5 comments · Opened May 12, 2020
__spread does not work in IE11 Open

microsoft/tslib#74 · 6 comments · 1 reaction · 1 assignee · Opened Aug 14, 2019
Document helpers needed per target platform Open

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

microsoft/tslib#61 · Opened Feb 7, 2019
Lint tslib Open

enhancement

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

microsoft/tslib#48 · Opened Feb 27, 2018
tslib __decorate was conflict with property decorator definition Open

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

microsoft/tslib#46 · Opened Dec 27, 2017
tslib is polluting window object Open

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

microsoft/tslib#32 · 13 comments · 12 reactions · Opened Jun 9, 2017
Document correspondence between TypeScript and tslib versions Open

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

microsoft/tslib#22 · 11 comments · 20 reactions · Opened Feb 3, 2017
Override helpers Open

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

microsoft/tslib#14 · 8 comments · 4 reactions · Opened Dec 17, 2016
__awaiter helper with arrow functions from TypeScript compiler to tslib Open

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

microsoft/tslib#8 · Opened Nov 24, 2016

microsoft/tslib

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