mazze.js/Src/Math/area.js

next gen javascript math library!

const defaultFunctions = require('./default')
const errHandler = require('../Utils/errHandler')

module.exports = {
    sqArea: function(side) {
        if(!side) return errHandler.new("sqArea" , "side" , "7")
        if(!Number.isInteger(side)) return errHandler.invalid("Make sure (side) is a integer.")
        let ans = +side * +side
        return ans
    },
    rectArea: function( l , b) {
        if(!l) return errHandler.new("rectArea" , "l" , "7 , 5")
        if(!b) return errHandler.new("rectArea" , "b" , "7 , 5")

        if(!Number.isInteger(l)) return errHandler.invalid("Make sure (l) is a integer.")
        if(!Number.isInteger(b)) return errHandler.invalid("Make sure (b) is a integer.")

        let ans = +l * +b
        return ans
    },
    triArea: function( a , b , c) {
        if(!a) return errHandler.new("triArea" , "a" , "2, 3, 4")
        if(!b) return errHandler.new("triArea" , "b" , "2, 3, 4")
        if(!c) return errHandler.new("triArea" , "c" , "2, 3, 4")

        if(!Number.isInteger(a)) return errHandler.invalid("Make sure (a) is a integer.")
        if(!Number.isInteger(b)) return errHandler.invalid("Make sure (b) is a integer.")
        if(!Number.isInteger(c)) return errHandler.invalid("Make sure (c) is a integer.")

        if(!((+a + +b) > +c)){
            return errHandler.invalid("Make Sure (a) + (b) > (c)")
        }
        if(!((+b + +c) > +a)){
            return errHandler.invalid("Make Sure (b) + (c) > (a)")
        }
        if(!((+a + +c) > +b)){
            return errHandler.invalid("Make Sure (a) + (c) > (b)")
        }
        let perimeter = +a + +b + +c
        let semiP = +perimeter / +2
        let ans = defaultFunctions.sqrt(+semiP * (+semiP - +a) * (+semiP - +b) * (+semiP - +c))
        return ans
    },
    circleArea: function(r){
        if(!r) return errHandler.new("circleArea" , "r" , "7")
        if(!Number.isInteger(r)) return errHandler.invalid("Make sure (r) is a integer.")
        let ans = (22/7) * defaultFunctions.sq(r) 
        return ans
    }
}