JoshuaKGoldberg/TypeStat

View on GitHub

Converts JavaScript to TypeScript and TypeScript to better TypeScript. 🧫

Stars: 2.3k
Forks: 47
Open beginner issues: 0
Indexed issues: 77
Avg merge: 15h 55m
Merged PRs (30d): 21

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 13, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Open All

77 open issues indexed

Investigate moving to jscodeshift, recast, or other mass-mutator Open

area: architecture status: proposal needed

JoshuaKGoldberg/TypeStat#20 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Parameter checking doesn't yet account for rest parameters Open

status: accepting prs type comparisons type: bug

JoshuaKGoldberg/TypeStat#27 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Use incrementally updating language services instead of new ones between waves Open

area: architecture area: performance status: accepting prs

JoshuaKGoldberg/TypeStat#36 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Investigate a mode to *remove* unused types Open

area: new fixer

JoshuaKGoldberg/TypeStat#37 · 4 comments · 1 reaction · 1 assignee · Indexed Sep 18, 2026
Strict null checks: allow manual or inferred preferences between assertions or declaration changes Open

area: architecture status: in discussion status: proposal needed

JoshuaKGoldberg/TypeStat#41 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add a strictNullCheck fixer for indexed keys/values Open

area: new fixer status: proposal needed

JoshuaKGoldberg/TypeStat#42 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Find a good advanced example or two in Custom Mutators.md Open

area: documentation status: proposal needed

JoshuaKGoldberg/TypeStat#47 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Deal with array and object destructuring instead of skipping them Open

status: proposal needed

JoshuaKGoldberg/TypeStat#51 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Handle uninitialized variables as part of strictNullChecking Open

status: accepting prs type: bug

JoshuaKGoldberg/TypeStat#53 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Missing test case: ChildClass is a subtype of ParentClass if ChildClass extends ParentClass Open

area: tests status: accepting prs type: bug

JoshuaKGoldberg/TypeStat#55 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add non-null assertion fixing for array and object literals Open

area: architecture area: new fixer

JoshuaKGoldberg/TypeStat#76 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add CLI and option parsing unit tests Open

area: tests

JoshuaKGoldberg/TypeStat#82 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Consider sanitizing the options object early on before passing it around Open

area: architecture area: options type: cleanup

JoshuaKGoldberg/TypeStat#96 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Error in C:/Code/npm/lib/help.ts at node 'arr' Open

status: needs investigation type: bug

JoshuaKGoldberg/TypeStat#110 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Treat unknown similarly to any Open

status: accepting prs type: bug

JoshuaKGoldberg/TypeStat#122 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Look into TypeSync for type adding Open

area: architecture status: needs investigation

JoshuaKGoldberg/TypeStat#128 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Allow configuring whether interfaces or types are used for classes or functional components in React incompleteTypes fixes Open

area: options status: accepting prs

JoshuaKGoldberg/TypeStat#132 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Allow configuring naming patterns in React incompleteTypes fixes Open

area: options status: accepting prs

JoshuaKGoldberg/TypeStat#133 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Factor in ... spread operators and/or shared variables in React incompleteTypes propTypes Open

status: accepting prs status: needs investigation

JoshuaKGoldberg/TypeStat#134 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Check whether class declarations extend `React.Component` using types, not `/Component/` in the extends clause Open

status: accepting prs type: bug

JoshuaKGoldberg/TypeStat#135 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Allow preferences for using React.FC or props interfaces Open

area: options area: react status: accepting prs

JoshuaKGoldberg/TypeStat#171 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Expand incompleteTypes property fixes to extended generics Open

area: react

JoshuaKGoldberg/TypeStat#180 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Expand incompleteTypes property fixes to referenced extended generics Open

area: react status: accepting prs

JoshuaKGoldberg/TypeStat#188 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Extend implicit generic interface to function parameters Open

area: react status: accepting prs

JoshuaKGoldberg/TypeStat#202 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add options for templating generated interface names for generated interfaces for generics Open

area: options status: proposal needed

JoshuaKGoldberg/TypeStat#209 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Node text printed on errors should be truncated after a few lines Open

area: cli status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#245 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Intelligently suggest test file globs based on what's on disk Open

area: cli good first issue status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#294 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add broad level overview to Usage.md Open

area: documentation status: accepting prs

JoshuaKGoldberg/TypeStat#310 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Document post-processing Open

area: documentation status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#681 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Add React-specific incompleteTypes fixer(s) for state Open

area: new fixer area: react status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#750 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add an incompleteTypes > implicitGenerics fixer for functions Open

area: fixers status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#754 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Investigate adding specific logic for react-redux Open

area: new fixer area: react area: redux status: needs investigation

JoshuaKGoldberg/TypeStat#760 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Missing test coverage: fixIncompleteParameterTypes Open

area: tests good first issue status: accepting prs

JoshuaKGoldberg/TypeStat#763 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Warn or error on semantic diagnostics when creating a program Open

area: architecture status: needs investigation type: enhancement

JoshuaKGoldberg/TypeStat#764 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Incomplete union function types fixer doesn't wrap original function in parenthesis Open

area: fixers good first issue status: accepting prs type: bug

JoshuaKGoldberg/TypeStat#768 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Account for file renames and React propType optionality in config generation Open

area: cli area: options status: needs investigation type: enhancement

JoshuaKGoldberg/TypeStat#770 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Document options.hints Open

area: documentation status: proposal needed

JoshuaKGoldberg/TypeStat#773 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add the ability to run arbitrary commands between waves Open

area: cli area: options status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#807 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Add a Git option in the config wizard Open

area: cli area: options status: blocked type: enhancement

JoshuaKGoldberg/TypeStat#808 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Rearchitecture: Type-Focused Fixers Open

area: architecture status: accepting prs

JoshuaKGoldberg/TypeStat#1000 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
SNC missing first property in PropertyAccessExpression Open

area: fixers fixer: strict non null assertions good first issue status: accepting prs type: bug

JoshuaKGoldberg/TypeStat#1015 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Add format:verify back to GitHub Actions push.yml Open

area: tooling status: accepting prs

JoshuaKGoldberg/TypeStat#1017 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Feature: auto-detect Prettier as a post-processor in CLI Open

area: cli status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#1035 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
findRelevantNodeReferencesAsNodes should recurse through export assignments Open

area: fixers status: accepting prs type: bug

JoshuaKGoldberg/TypeStat#1038 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 18, 2026
Feature: also find & convert ESLint file to use typescript-eslint Open

area: eslint status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#1041 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Docs: add example repositories Open

area: documentation

JoshuaKGoldberg/TypeStat#1042 · 0 comments · 1 reaction · 1 assignee · Indexed Sep 18, 2026
Add a CLI option to infer missing compilerOptions from tsconfig.json Open

area: cli status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#1047 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026
A playground to try with different fixers? Open

area: documentation status: accepting prs

JoshuaKGoldberg/TypeStat#1053 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
How can I run this only in staged files? how to integrate with lint-staged? Open

status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#1061 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 18, 2026
Repo: Use the user's formatter on written config files, not JSON.stringify Open

status: accepting prs type: enhancement

JoshuaKGoldberg/TypeStat#1066 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 18, 2026

JoshuaKGoldberg/TypeStat

Get new issues in your inbox