qris-decoder/src/qris.js

Library for decoding qris

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodeQris = void 0;
const _ = __importStar(require("lodash"));
const tags_1 = require("./tags");
const decodeQris = (qrisPayload) => {
    const data = {};
    const parse = (tags, qrPayload, parent) => {
        let index = 0;
        while (index < qrPayload.length) {
            const qr = qrPayload.substring(index);
            const tagId = qr.substring(0, 2);
            const tagValueLength = Number(qr.substring(2, 4));
            let tagValue = qr.substring(4, 4 + tagValueLength);
            const findTag = _.find(tags, (tag) => tag.id === tagId);
            if (findTag) {
                if (findTag.children) {
                    Object.assign(data, {
                        [findTag.name]: {},
                    });
                    parse(findTag.children, tagValue, findTag.name);
                }
                else {
                    if (findTag.name === 'point_of_initiation_method') {
                        if (tagValue === '11') {
                            tagValue = 'STATIC';
                        }
                        if (tagValue === '12') {
                            tagValue = 'DYNAMIC';
                        }
                    }
                    if (findTag.name === 'transaction_currency') {
                        if (tagValue === '360') {
                            tagValue = 'RUPIAH';
                        }
                    }
                    if (findTag.name === 'tip_indicator') {
                        if (tagValue === '01') {
                            tagValue = 'INPUT_TIP';
                        }
                        if (tagValue === '02') {
                            tagValue = 'FIXED_TIP';
                        }
                        if (tagValue === '03') {
                            tagValue = 'FIXED_TIP_PERCENTAGE';
                        }
                    }
                    if (findTag.name === 'fixed_tip_amount') {
                        tagValue = Number(tagValue);
                    }
                    if (findTag.name === 'transaction_amount') {
                        tagValue = Number(tagValue);
                    }
                    if (findTag.name === 'percentage_tip_amount') {
                        tagValue = Number(tagValue);
                    }
                    if (parent) {
                        Object.assign(data[parent], {
                            [findTag.name]: tagValue,
                        });
                    }
                    if (!parent) {
                        Object.assign(data, {
                            [findTag.name]: tagValue,
                        });
                    }
                }
            }
            index += tagValueLength + 4;
        }
    };
    parse(tags_1.tagsArray, qrisPayload);
    return data;
};
exports.decodeQris = decodeQris;
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