prove v9.0.7

prove

Validation sugar with is-it

Installation

npm install prove

Usage

var prove = require('prove')

if (var errs = prove(5).is('integer greaterThan(0)').errors) {
  // not valid
}

prove can also be chained:

prove('foo').is('string').isnt('integer').errors

API

prove(value)

Returns a chainable object with is, isnt and errors.

.is(conditions)

Runs the listed conditions against the value provided in prove.

.isnt(conditions)

Runs the conditions against the value provided in prove but negated.

.errors

This property contains an array of invalid conditions, or null.