@medusajs/utils
Version:
Medusa utilities functions shared by Medusa core and Modules
48 lines • 2.34 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.calculateAdjustmentTotal = calculateAdjustmentTotal;
const common_1 = require("../../common");
const big_number_1 = require("../big-number");
const math_1 = require("../math");
function calculateAdjustmentTotal({ adjustments, includesTax, taxRate, }) {
// the sum of all adjustment amounts excluding tax
let adjustmentsSubtotal = math_1.MathBN.convert(0);
// the sum of all adjustment amounts including tax
let adjustmentsTotal = math_1.MathBN.convert(0);
// the sum of all taxes on subtotals
let adjustmentsTaxTotal = math_1.MathBN.convert(0);
for (const adj of adjustments) {
if (!(0, common_1.isDefined)(adj.amount)) {
continue;
}
const adjustmentAmount = math_1.MathBN.convert(adj.amount);
if (adj.is_tax_inclusive && (0, common_1.isDefined)(taxRate)) {
adjustmentsSubtotal = math_1.MathBN.add(adjustmentsSubtotal, math_1.MathBN.div(adjustmentAmount, math_1.MathBN.add(1, taxRate)));
}
else {
adjustmentsSubtotal = math_1.MathBN.add(adjustmentsSubtotal, adjustmentAmount);
}
if ((0, common_1.isDefined)(taxRate)) {
const adjustmentSubtotal = includesTax
? math_1.MathBN.div(adjustmentAmount, math_1.MathBN.add(1, taxRate))
: adjustmentAmount;
const adjustmentTaxTotal = math_1.MathBN.mult(adjustmentSubtotal, taxRate);
const adjustmentTotal = math_1.MathBN.add(adjustmentSubtotal, adjustmentTaxTotal);
adj["subtotal"] = new big_number_1.BigNumber(adjustmentSubtotal);
adj["total"] = new big_number_1.BigNumber(adjustmentTotal);
adjustmentsTotal = math_1.MathBN.add(adjustmentsTotal, adjustmentTotal);
adjustmentsTaxTotal = math_1.MathBN.add(adjustmentsTaxTotal, adjustmentTaxTotal);
}
else {
adj["subtotal"] = new big_number_1.BigNumber(adjustmentAmount);
adj["adjustmentAmount"] = new big_number_1.BigNumber(adjustmentAmount);
adjustmentsTotal = math_1.MathBN.add(adjustmentsTotal, adjustmentAmount);
}
}
return {
adjustmentsTotal,
adjustmentsSubtotal,
adjustmentsTaxTotal,
};
}
//# sourceMappingURL=index.js.map