evalexpr

A secure TypeScript expression evaluator for dynamic form validation and conditional logic with support for context variables, form fields, and custom functions

v1.0.7 URL: https://unpkg.com/evalexpr@1.0.7/dist/cjs/index.js

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rule-engine-js

A high-performance, secure rule engine with dynamic field comparison support

v1.0.2 URL: https://unpkg.com/rule-engine-js@1.0.2/dist/index.cjs

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rule-engine business-rules expression-evaluator conditional-logic dynamic-comparison validation filtering javascript performance zero-dependencies typescript

@brainstack/rules-engine

A lightweight rules engine to evaluate conditional logic.

v1.0.87 URL: https://unpkg.com/@brainstack/rules-engine@1.0.87/dist/index.js

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rules-engine business-rules conditional-logic typescript

spec-pattern-ts

Specification pattern for TypeScript

v3.2.4 URL: https://unpkg.com/spec-pattern-ts@3.2.4/lib/index.js

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specification pattern typescript validation business-rules

fortify-schema

A modern TypeScript validation library designed around familiar interface syntax and powerful conditional validation. Experience schema validation that feels natural to TypeScript developers while unlocking advanced runtime validation capabilities.

v2.1.2 URL: https://unpkg.com/fortify-schema@2.1.2/dist/cjs/index.js

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schema validation conditional-validation advanced-validation typescript type-safe interface runtime-validation schema-validation data-validation input-validation form-validation api-validation json-schema type-inference compile-time-safety zod-alternative joi-alternative yup-alternative ajv-alternative typescript-first type-checking parse parser serialization deserialization constraints strict-typing runtime-types interface-like schema-builder validation-library type-validation object-validation array-validation string-validation number-validation email-validation url-validation date-validation uuid-validation phone-validation pattern-validation regex-validation union-types literal-types optional-fields required-fields nested-objects nested-validation conditional-logic business-rules dynamic-validation context-aware field-dependencies schema-composition schema-transformation schema-merging pick-omit partial-required type-coercion loose-mode strict-mode error-handling validation-errors safe-parsing try-catch api-schema rest-api graphql json-api form-schema configuration config-validation environment-variables env-validation database-schema model-validation dto data-transfer-object request-validation response-validation middleware express fastify koa node nehonix typescript javascript fortifyjs nodejs backend frontend fullstack react vue angular next nuxt svelte web-development developer-experience dx clean-code maintainable readable intuitive simple powerful lightweight performant tree-shakable bundle-size zero-dependencies enterprise production-ready battle-tested reliable robust scalable