typescript 43 builder 19 fluent-api 10 validation 10 type-safe 9 javascript 8 factory-pattern 7 esm 7 json 6 nodejs 5 builder pattern 5 state-management 5 unit-testing 5 react 4 effect-ts 4 query-builder 4 testing 4 library 4 integration-testing 4 enterprise 4 schema-validation 4 production-ready 4 test-helpers 3 test-framework 3 test-fixtures 3 test-utilities 3 extensible 3 modular 3 jest 3 commonjs 3 type-inference 3 test-mocks 3 mock-data 3 test-data 3 builders 3 fake 3 http-mocking 3 api-testing 3 immutable 3 async-testing 3 zod 3 typescript-testing 3 tree-shakable 3 kitiumai 3 kitium 3 typescript-library 3 chainable 3 error-handling 3 http-client 3 api 3 async 3 mysql 3 dto 3 functional-programming 3 design-patterns 3 pattern 2 middleware 2 ts 2 plugin 2 serialization 2 configuration 2 validator 2 internationalization 2 conditional-logic 2 architecture 2 monorepo 2 file-writer 2 streaming 2 reporting 2 data-export 2 csv 2 export 2 query 2 forms 2 fixture 2 vite 2 framework 2 pure-functions 2 tcomb-json-schema 2 tcomb-form-native 2 fluent 2 composable 2 tcomb 2 react-native 2 factories 2 frontend 2 simple 2 lightweight 2 code-generation 2 performance 2 fetch 2 http 2 method-chaining 2 axios 2 api-client 2 xstate 2 state-machine 2 finite-state-machine 2 analytics 2 dsl 2