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@multikassa.com/calculator-logic

v0.2.22

Published

Calculator logic for multikassa

Downloads

295

Readme

Multikassa calculator logic helper

Installation

npm i @multikassa.com/calculator-logic

Quick start

Для начала импортируем и инициализируем класс:

import Multikassa from '@multikassa.com/calculator-logic'

const calcLogic = new Multikassa.CalculatorLogic(process.env.API_URL);

Далее запрашиваем список необходимых данных (coins, deliveries):

await calcLogic.fetchData()

Если данные уже есть, можно не запрашивая их повторно, установить их:

calcLogic
    .fillCoins(coins)
    .fillDeliveries(deliveries)

Далее необходимо вызвать метод init(), он установит пару from/to по умолчанию, запросит расчёт с бэка и другие подготовки если нужно.

calcLogic.init()

Чтобы подписаться на изменения тех или иных данных существует методы

calcLogic
  .onChangeFromCoin((coin) => selectedFromCoin = coin)
  .onChangeToCoin((coin) => selectedToCoin = coin)
  .onChangeSelectedDelivery(delivery => selectedDelivery = delivery)
  .onChangeFromCoins(coins => fromCoins = coins)
  .onChangeToCoins(coins => toCoins = coins)
  .onChangeRate(newRate => rate = newRate)
  .onChangeToSum(value => sum.to = value)
  .onChangeFromSum(value => sum.from = value)
  .onServerErrorChange(value => serverErrorMessage = value)
  .onChangeDeliveryPrice(value => deliveryPrice = value)
  .onChangeDeliveryPriceCoin(value => deliveryPriceCoin = value)
  .onChangeDealHash(value => dealHash = value)
  .onChangeRateCoin(coin => rateCoin = coin)

При изменении данных со стороны клиента - необходимо передавать данные в хэлпер:

calcLogic.selectFromCoin(coin)
calcLogic.selectToCoin(coin)
calcLogic.setFromSum(val)
calcLogic.setToSum(val)

При нажатии пользователем на иконку "свапа" - можно вызвать след. метод:

calcLogic.swapCoins()

CDN

Если вы не используете NPM для установки пакетов - можно использовать CDN версию для подключения с помощью script тега:

https://cdn.jsdelivr.net/npm/@multikassa.com/calculator-logic@{version}/dist/index.min.js

Например: https://cdn.jsdelivr.net/npm/@multikassa.com/calculator-logic@^0/dist/index.min.js

В данном случае инициализация класса будет выглядеть следующим способом:

const calcLogic = new CalculatorLogic.default.CalculatorLogic('API_URL')

API

Более подробное описание всех методов можно найти в d.ts файле