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specma

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Simple, reusable and composable validation

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# Specma _Simple, reusable and composable validation_ Specma is a Javascript library to validate any type of value against a **simple, reusable and composable spec**. - Collection specs defined with the exact **same shape as the value**! - Based on **predicate functions** of type `true || "reason"` - **Composable specs** with intuitive `and`/`or` operators - Easy **cross-validation** between multiple fields - User defined **customized invalid reasons** - **Async validation** out of the box - Very **small footprint** [View complete documentation](https://davidsavoie1.github.io/specma)