@toreda/strong-types
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Better TypeScript code in fewer lines.
124 lines (122 loc) • 4.73 kB
JavaScript
"use strict";
/**
* MIT License
*
* Copyright (c) 2019 - 2021 Toreda, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.safeMoneyMake = void 0;
const big_js_1 = __importDefault(require("big.js"));
const rules_1 = require("../../rules");
const type_1 = require("../../create/type");
const big_1 = require("../../to/safe/money/big");
const BIG_ZERO = (0, big_js_1.default)(0);
const BIG_ONE = (0, big_js_1.default)(1);
/**
*
* @param fallback
* @param initial
* @returns
*
* @category Maths
*/
function safeMoneyMake(fallback, initial) {
const rules = new rules_1.Rules();
rules.add().must.match.type.big();
const bigFallback = (0, big_1.toSafeMoneyBig)(fallback);
const bigInitial = (0, big_1.toSafeMoneyBig)(initial);
const strong = (0, type_1.createType)(bigFallback !== null && bigFallback !== void 0 ? bigFallback : BIG_ZERO, bigInitial, rules, 'SafeMoney');
return Object.assign(strong, {
increment: () => {
const value = strong._data.getNull();
if (value === null) {
return null;
}
const result = value.add(BIG_ONE);
return strong._data.set(result) ? result : null;
},
decrement: () => {
const value = strong._data.getNull();
if (value === null) {
return null;
}
const result = value.minus(BIG_ONE);
return strong._data.set(result) ? result : null;
},
mul: (input) => {
const curr = strong.get(BIG_ZERO);
const value = (0, big_1.toSafeMoneyBig)(input);
if (value === null || curr === null) {
return null;
}
const result = curr.mul(value);
return strong._data.set(result) ? result : null;
},
pow: (exponent) => {
const curr = strong._data.getNull();
const value = (0, big_1.toSafeMoneyBig)(exponent);
if (curr === null || value === null) {
return null;
}
const result = curr.pow(value.toNumber());
return strong._data.set(result) ? result : null;
},
div: (input) => {
const curr = strong.get(BIG_ZERO);
const value = (0, big_1.toSafeMoneyBig)(input);
if (curr === null || value === null) {
return null;
}
if (value === BIG_ZERO || curr === BIG_ZERO) {
return null;
}
const result = curr.div(value);
return strong._data.set(result) ? result : null;
},
add: (input) => {
const value = (0, big_1.toSafeMoneyBig)(input);
const curr = strong.getNull();
if (value === null || curr === null) {
return null;
}
const result = curr.add(value);
return strong._data.set(result) ? result : null;
},
sub: (input) => {
const value = (0, big_1.toSafeMoneyBig)(input);
const curr = strong.getNull();
if (value === null || curr === null) {
return null;
}
const result = curr.minus(value);
return strong._data.set(result) ? result : null;
},
round: (_input) => {
return null;
},
typeId: 'SafeMoney',
baseType: 'StrongType'
});
}
exports.safeMoneyMake = safeMoneyMake;