Library for loan amortization schedule manipulation
npm install loan-schedule.js
sh
npm i loan-schedule.js
`Init
js
const LoanSchedule = require("loan-schedule.js");const loanSchedule = new LoanSchedule({});
`Init with options
js
const LoanSchedule = require("loan-schedule.js");const loanSchedule = new LoanSchedule({
DecimalDigit : 2,
dateFormat: "DD.MM.YYYY",
prodCalendar: "ru"
});
`Interest by period
js
let interest = loanSchedule.calculateInterestByPeriod({
from: "10.12.2015",
to: "10.01.2016",
amount: 1000,
rate: 16.7
});
console.log(interest);
`Payment
js
let payment = loanSchedule.calculateAnnuityPaymentAmount({
amount: 110000,
term: 60,
rate: 12.9
});
console.log(payment);
`Max Loan Amount
js
let loanAmount = loanSchedule.calculateMaxLoanAmount({
paymentAmount: 2497.21,
term: 60,
rate: 12.9
});
console.log(loanAmount);
`Annuity loan schedule (payment amount will be calculated)
js
loanSchedule.calculateSchedule({
amount: 50000,
rate: 11.5,
term: 12,
paymentOnDay: 25,
issueDate: "25.10.2016",
scheduleType : LoanSchedule.ANNUITY_SCHEDULE
}).payments.forEach((pay) => {
console.log(pay.paymentDate + "\t|\t\t"
+ pay.initialBalance + "\t|\t\t"
+ pay.paymentAmount + "\t|\t\t"
+ pay.principalAmount + "\t|\t\t"
+ pay.interestAmount + "\t|\t\t"
+ pay.finalBalance
);
});
`Annuity loan schedule (payment amount is set)
js
loanSchedule.calculateSchedule({
amount: 50000,
rate: 11.5,
term: 12,
paymentAmount: 40000,
paymentOnDay: 25,
issueDate: "25.10.2016",
scheduleType : LoanSchedule.ANNUITY_SCHEDULE
}).payments.forEach((pay) => {
console.log(pay.paymentDate + "\t|\t\t"
+ pay.initialBalance + "\t|\t\t"
+ pay.paymentAmount + "\t|\t\t"
+ pay.principalAmount + "\t|\t\t"
+ pay.interestAmount + "\t|\t\t"
+ pay.finalBalance
);
});
`Differentiated loan schedule
js
loanSchedule.calculateSchedule({
amount: 50000,
rate: 11.5,
term: 12,
paymentOnDay: 25,
issueDate: "25.10.2016",
scheduleType : LoanSchedule.DIFFERENTIATED_SCHEDULE
}).payments.forEach((pay) => {
console.log(pay.paymentDate + "\t|\t\t"
+ pay.initialBalance + "\t|\t\t"
+ pay.paymentAmount + "\t|\t\t"
+ pay.principalAmount + "\t|\t\t"
+ pay.interestAmount + "\t|\t\t"
+ pay.finalBalance
);
});
`Bubble loan schedule
js
loanSchedule.calculateSchedule({
amount: 50000,
rate: 11.5,
term: 12,
paymentOnDay: 25,
issueDate: "25.10.2016",
scheduleType : LoanSchedule.BUUBLE_SCHEDULE
}).payments.forEach((pay) => {
console.log(pay.paymentDate + "\t|\t\t"
+ pay.initialBalance + "\t|\t\t"
+ pay.paymentAmount + "\t|\t\t"
+ pay.principalAmount + "\t|\t\t"
+ pay.interestAmount + "\t|\t\t"
+ pay.finalBalance
);
});
``