Source: https://seerepo.com/r/statelyai/xstate/built Markdown source: https://seerepo.com/r/statelyai/xstate/built.md Description: xstate is a TypeScript repo built with React, Solid, @angular/core, Angular, Preact, and 3 more. It makes its content with saxes. # What is xstate built with? xstate is a TypeScript repo built with React, Solid, @angular/core, Angular, Preact, and 3 more. It makes its content with saxes, validates its data with Zod and Ajv, and is tested with Vitest, fast-check, Testing Library, @testing-library/preact, and @solidjs/testing-library. It has 235,571 written lines, with 398 test files. Read on November 7, 2026, at commit 975ba72. Repository: https://github.com/statelyai/xstate ## Support (packages/core) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 74 files - **[Ajv](https://seerepo.com/uses/ajv)**: 2 files ### Testing - **Vitest**: 17 files ### Tools - **TypeScript**: 1 file ### Other - **rxjs**: 12 files ## Support (packages/xstate-codemod) ### Testing - **Vitest**: 15 files ### Tools - **ts-morph**: 16 files ## Support (packages/xstate-effect) ### Testing - **fast-check**: 1 file - **Vitest**: 1 file ### Tools - **@oxlint/plugins**: 1 file ### Other - **Effect**: 13 files ## Frontend (packages/xstate-react) ### The base - **[React](https://seerepo.com/uses/react)**: 4 files ## Support (packages/xstate-react) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 6 files ### Testing - **Testing Library**: 9 files ### Other - **use-sync-external-store**: 2 files - **rxjs**: 1 file - **use-isomorphic-layout-effect**: 1 file ## Support (packages/xstate-scxml) ### Content - **[saxes](https://seerepo.com/uses/saxes)**: 1 file ### Testing - **Vitest**: 1 file ### Tools - **pkg-up**: 1 file ## Support (packages/xstate-solid) ### The base - **[Solid](https://seerepo.com/uses/solid)**: 3 files ## Frontend (packages/xstate-store-angular) ### The base - **@angular/core**: 1 file ## Support (packages/xstate-store-angular) ### The base - **[Angular](https://seerepo.com/uses/angular)**: 2 files ### Testing - **Vitest**: 1 file ### Tools - **@analogjs/vite-plugin-angular**: 1 file ## Support (packages/xstate-store-preact) ### The base - **[Preact](https://seerepo.com/uses/preact)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **@testing-library/preact**: 2 files - **Vitest**: 1 file ## Frontend (packages/xstate-store-react) ### The base - **[React](https://seerepo.com/uses/react)**: 1 file ## Support (packages/xstate-store-react) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **Testing Library**: 2 files ## Support (packages/xstate-store-solid) ### The base - **[Solid](https://seerepo.com/uses/solid)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **@solidjs/testing-library**: 1 file ## Frontend (packages/xstate-store-svelte) ### The base - **[Svelte](https://seerepo.com/uses/svelte)**: 1 file ## Support (packages/xstate-store-svelte) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ## Frontend (packages/xstate-store-vue) ### The base - **[Vue](https://seerepo.com/uses/vue)**: 1 file ## Support (packages/xstate-store-vue) ### The base - **vue-demi**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **Testing Library**: 1 file ## Frontend (packages/xstate-store) ### The base - **[Vue](https://seerepo.com/uses/vue)**: 3 files ## Support (packages/xstate-store) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 6 files ### Testing - **Vitest**: 5 files - **Testing Library**: 1 file ### Tools - **@vitejs/plugin-vue**: 1 file - **vite-plugin-solid**: 1 file ### Other - **Immer**: 1 file ## Frontend (packages/xstate-svelte) ### The base - **[Svelte](https://seerepo.com/uses/svelte)**: 3 files ## Frontend (packages/xstate-vue) ### The base - **[Vue](https://seerepo.com/uses/vue)**: 4 files ## Support (packages/xstate-vue) ### Testing - **Testing Library**: 4 files ## Other repos with a similar stack - [TanStack/query](https://seerepo.com/r/TanStack/query/built): React, Solid, @angular/core, Angular, Preact, Svelte, Vue, vue-demi · [Compare](https://seerepo.com/compare/statelyai/xstate/vs/TanStack/query) - [cypress-io/cypress](https://seerepo.com/r/cypress-io/cypress/built): React, @angular/core, Angular, Svelte, Vue, vue-demi, Zod · [Compare](https://seerepo.com/compare/cypress-io/cypress/vs/statelyai/xstate) - [storybookjs/storybook](https://seerepo.com/r/storybookjs/storybook/built): React, Angular, Preact, Svelte, Vue, Zod · [Compare](https://seerepo.com/compare/statelyai/xstate/vs/storybookjs/storybook) - [withastro/astro](https://seerepo.com/r/withastro/astro/built): React, Solid, Preact, Svelte, Vue, Zod · [Compare](https://seerepo.com/compare/statelyai/xstate/vs/withastro/astro) - [ruvnet/ruflo](https://seerepo.com/r/ruvnet/ruflo/built): React, Svelte, Zod, Ajv · [Compare](https://seerepo.com/compare/ruvnet/ruflo/vs/statelyai/xstate) - [nocodb/nocodb](https://seerepo.com/r/nocodb/nocodb/built): React, Vue, Zod, Ajv · [Compare](https://seerepo.com/compare/nocodb/nocodb/vs/statelyai/xstate) ## Frequently asked questions ### What language is xstate written in? xstate is written in TypeScript, with 235,571 written lines. ### What framework does xstate use? xstate is built with React, Solid, @angular/core, Angular, Preact, Svelte, Vue, and vue-demi. ### Does xstate have tests? Yes. xstate has 398 test files and is tested with Vitest, fast-check, Testing Library, @testing-library/preact, and @solidjs/testing-library. ### Which repos have a stack like xstate's? The ones that share most of its stack: TanStack/query, cypress-io/cypress, and storybookjs/storybook. ## What is your repo built with? Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.