Installation

Install the package using npm.

npm install condjs

or use Yarn

yarn add condjs

Usage

const Condition = require('condjs');

var willBeFalse = Condition.with(true).and(false).value;
var willBeTrue = Condition.with(false).or(true).value;

APIs

Condition	Arguments	Returns	Description
.and	condition: boolean | (c: Condition) => Condition	Condition	Logicial && (and) operator
.or	condition: boolean | (c: Condition) => Condition	Condition	Logicial `
.set	value: boolean	Condition	Sets curent value by given argument
.then	action: (...args) => {}, ...args	Condition	Executes action by given ...args if the value is true
.else	action: (...args) => {}, ...args	Condition	Executes action by given ...args if the value is false
.value	This is property	boolean	Returns condition value

Example

Condition.with(true)
    .and(coupon.isActive)
    .and(function (c) {
        c.or(coupon.limitDate === null)
         .or(coupon.limitDate > new Date())
    })
    .and(function (c) {
        c.or(coupon.limitMinPrice === null)
         .or(price >= coupon.limitMinPrice);
    })
    .then(function () {
        alert('Coupon applied')
    })
    .else(function () {
        alert('Coupon not available')
    });