composite-validation

Composite validation API for JS data models. Based on this project idea. This library

Install

npm install composite-validation

Use

For some data model...

const dataModel = {
    name: 'Leonardo',
    age: 45
};

...describe validation map that folows the structure of the original object.

import { ValidationMap, Conditions, required, equals } from 'composite-validation';

const map = ValidationMap({
    name: Conditions(v => required(v)),
    age: Conditions([
        v => required(v),
        v => equals(v, 21)
    ])
});

Call function.

const result = map(dataModel);

Function applies validation map to data model, check all validity conditions and returns object with validity states for each field.

{
    "name": {
        "value": "Leonardo",
        "isRequired": true
    },
    "age": {
        "error": "Value should be defined",
        "isRequired": true
    }
}