guardz

A simple and lightweight TypeScript type guard library for runtime type validation.

v1.12.3 URL: https://unpkg.com/guardz@1.12.3/dist/index.js

Open Browse Files

typescript type-guard typeguard runtime-validation runtime-type-checking type-safety schema-validation data-validation input-validation api-validation form-validation error-handling structured-errors json-validation object-validation array-validation union-types intersection-types composite-types zero-dependencies lightweight bundle-size performance monitoring debugging testing assertion type-checking type-inference typesafe react angular vue nodejs express nextjs nestjs fastify koa webpack vite rollup esbuild swc jest vitest cypress playwright axios fetch graphql rest-api microservices serverless aws azure gcp docker kubernetes ci-cd github-actions gitlab-ci vercel netlify deno bun esm commonjs umd tree-shaking code-splitting bundle-optimization developer-experience dx developer-tools typescript-ecosystem javascript-ecosystem frontend backend fullstack web-development mobile-development desktop-development cli-tools build-tools compiler transpiler static-analysis linting code-quality best-practices enterprise startup open-source mit-license

typefence

Basic runtime type checking

v1.2.1 URL: https://unpkg.com/typefence@1.2.1/dist/index.js

Open Browse Files

types type-checker type-checking runtime-type-checking typefence

@leglaine/node-types

A highly composable runtime type checking library for JavaScript and Node.js.

v1.0.0 URL: https://unpkg.com/@leglaine/node-types@1.0.0/src/index.js

Open Browse Files

node javascript js check type type-checking runtime-type-checking validation schema typescript

@on-the-ground/quackquack

Message-based duck typing system focused on behavioral roles instead of structural types.

v0.0.12 URL: https://unpkg.com/@on-the-ground/quackquack@0.0.12/dist/index.cjs

Open Browse Files

duck-typing protocol message-passing runtime-type-checking behavioral-type role guard contract object-oriented dynamic-typing introspection composition interface existence alan-kay oop quack