typescript 54 builder 21 type-safe 13 fluent-api 13 validation 12 react 9 esm 8 nodejs 8 javascript 8 factory-pattern 7 api 7 query-builder 6 ai 6 json 6 integration-testing 5 testing 5 llm 5 state-management 5 unit-testing 5 http-client 5 commonjs 4 axios 4 builder pattern 4 design-patterns 4 schema-validation 4 library 4 zod 4 chainable 4 mysql 4 production-ready 4 effect-ts 4 enterprise 4 immutable 3 framework 3 typescript-library 3 typescript-testing 3 fluent 3 type-inference 3 vite 3 async 3 mock 3 middleware 3 error-handling 3 forms 3 fake 3 sql 3 gpt 3 gemini 3 openai 3 typesafe 3 async-testing 3 tree-shakable 3 kitium 3 kitiumai 3 api-testing 3 http-mocking 3 dsl 3 test-data 3 mock-data 3 test-mocks 3 test-fixtures 3 test-framework 3 extensible 3 modular 3 composable 3 builders 3 functional-programming 3 jest 3 pattern 3 test-utilities 3 test-helpers 3 lightweight 2 pure-functions 2 convergence 2 method-chaining 2 dto 2 agent 2 database 2 research 2 vitest 2 export 2 http 2 fact-check 2 fetch 2 iteration 2 simple 2 ooda-loop 2 ts 2 refinement 2 csv 2 data-export 2 reporting 2 streaming 2 scrum 2 file-writer 2 aggregates 2 subqueries 2 pagination 2 sort-order 2 data-queries 2