@pdfme/schemas
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TypeScript base PDF generator and React base UI. Open source, developed by the community, and completely free to use under the MIT license!
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JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createBarCode = exports.mapHexColorForBwipJsLib = exports.barCodeType2Bcid = exports.validateBarcodeInput = void 0;
const common_1 = require("@pdfme/common");
const bwip_js_1 = __importDefault(require("bwip-js"));
const buffer_1 = require("buffer");
const constants_js_1 = require("./constants.js");
// GTIN-13, GTIN-8, GTIN-12, GTIN-14
const validateCheckDigit = (input, checkDigitPos) => {
let passCheckDigit = true;
if (input.length === checkDigitPos) {
const ds = input.slice(0, -1).replace(/[^0-9]/g, '');
let sum = 0;
let odd = 1;
for (let i = ds.length - 1; i > -1; i -= 1) {
sum += Number(ds[i]) * (odd ? 3 : 1);
odd ^= 1;
if (sum > 0xffffffffffff) {
// ~2^48 at max
sum %= 10;
}
}
passCheckDigit = String(10 - (sum % 10)).slice(-1) === input.slice(-1);
}
return passCheckDigit;
};
const validateBarcodeInput = (type, input) => {
if (!input)
return false;
if (!constants_js_1.BARCODE_TYPES.includes(type))
return false;
if (type === 'qrcode') {
// Up to 500 characters
return input.length < 500;
}
if (type === 'japanpost') {
// For Japan Post: Postal codes must be digits (0-9) only.
// Address display numbers can use alphanumeric characters (0-9, A-Z) and hyphen (-).
const regexp = /^(\d{7})(\d|[A-Z]|-)+$/;
return regexp.test(input);
}
if (type === 'ean13') {
// For EAN-13: Valid characters are digits (0-9) only.
// Either 12 digits (without check digit) or 13 digits (with check digit).
const regexp = /^\d{12}$|^\d{13}$/;
return regexp.test(input) && validateCheckDigit(input, 13);
}
if (type === 'ean8') {
// For EAN-8: Valid characters are digits (0-9) only.
// Either 7 digits (without check digit) or 8 digits (with check digit).
const regexp = /^\d{7}$|^\d{8}$/;
return regexp.test(input) && validateCheckDigit(input, 8);
}
if (type === 'code39') {
// For Code39: Valid characters are digits (0-9), uppercase alphabets (A-Z),
// symbols (-, ., $, /, +, %), and space.
const regexp = /^(\d|[A-Z]|\-|\.|\$|\/|\+|\%|\s)+$/;
return regexp.test(input);
}
if (type === 'code128') {
// For Code128: Valid characters are all except Kanji, Hiragana, and Katakana.
// https://qiita.com/graminume/items/2ac8dd9c32277fa9da64
return !input.match(/([\u30a0-\u30ff\u3040-\u309f\u3005-\u3006\u30e0-\u9fcf]|[Ａ-Ｚａ-ｚ０-９！＂＃＄％＆＇（）＊＋，－．／：；＜＝＞？＠［＼］＾＿｀｛｜｝〜 ])+/);
}
if (type === 'nw7') {
// For NW-7: Valid characters are digits (0-9) and symbols (-, ., $, :, /, +).
// The first and last characters must be one of the alphabets A-D (start/stop codes).
const regexp = /^[A-Da-d]([0-9\-\.\$\:\/\+])+[A-Da-d]$/;
return regexp.test(input);
}
if (type === 'itf14') {
// For ITF-14: Valid characters are digits (0-9) only.
// Either 13 digits (without check digit) or 14 digits (with check digit).
const regexp = /^\d{13}$|^\d{14}$/;
return regexp.test(input) && validateCheckDigit(input, 14);
}
if (type === 'upca') {
// For UPCA: Valid characters are digits (0-9) only.
// Either 11 digits (without check digit) or 12 digits (with check digit).
const regexp = /^\d{11}$|^\d{12}$/;
return regexp.test(input) && validateCheckDigit(input, 12);
}
if (type === 'upce') {
// For UPCE: Valid characters are digits (0-9) only.
// The first digit (number system character) must be 0.
// Either 7 digits (without check digit) or 8 digits (with check digit).
const regexp = /^0(\d{6}$|\d{7}$)/;
return regexp.test(input) && validateCheckDigit(input, 8);
}
if (type === 'gs1datamatrix') {
let ret = false;
// Find the GTIN application identifier: regex for "(01)" and the digits following it until another "(".
const regexp = /\((01)\)(\d*)(\(|$)/;
let res = input.match(regexp);
if (res != null &&
input.length <= 52 && // 52 is the max length of a GS1 DataMatrix barcode before bwip-js throws an error
res[1] === '01' &&
(res[2].length === 14 || res[2].length === 8 || res[2].length === 12 || res[2].length === 13)) {
let gtin = res[2];
ret = validateCheckDigit(gtin, gtin.length);
}
return ret;
}
if (type === 'pdf417') {
// PDF417 can encode a wide range of characters,
// but considering performance and library limitations, the maximum number of characters is limited (up to 1000 characters here).
return input.length > 0 && input.length <= 1000;
}
return false;
};
exports.validateBarcodeInput = validateBarcodeInput;
/**
* The bwip.js lib has a different name for nw7 type barcodes
*/
const barCodeType2Bcid = (type) => type === 'nw7' ? 'rationalizedCodabar' : type;
exports.barCodeType2Bcid = barCodeType2Bcid;
/**
* Strip hash from the beginning of HTML hex color codes for the bwip.js lib
*/
const mapHexColorForBwipJsLib = (color, fallback) => color ? color.replace('#', '') : fallback ? fallback.replace('#', '') : '000000';
exports.mapHexColorForBwipJsLib = mapHexColorForBwipJsLib;
const createBarCode = async (arg) => {
const { type, input, width, height, backgroundColor, barColor, textColor, includetext = constants_js_1.DEFAULT_BARCODE_INCLUDETEXT, } = arg;
const bcid = (0, exports.barCodeType2Bcid)(type);
const scale = 5;
const bwipjsArg = {
bcid,
text: input,
width,
height,
scale,
includetext,
textxalign: 'center',
};
if (backgroundColor)
bwipjsArg.backgroundcolor = (0, exports.mapHexColorForBwipJsLib)(backgroundColor);
if (barColor)
bwipjsArg.barcolor = (0, exports.mapHexColorForBwipJsLib)(barColor);
if (textColor)
bwipjsArg.textcolor = (0, exports.mapHexColorForBwipJsLib)(textColor);
let res;
if (typeof window !== 'undefined') {
const canvas = document.createElement('canvas');
// Use a type assertion to safely call toCanvas
const bwipjsModule = bwip_js_1.default;
bwipjsModule.toCanvas(canvas, bwipjsArg);
const dataUrl = canvas.toDataURL('image/png');
res = buffer_1.Buffer.from((0, common_1.b64toUint8Array)(dataUrl).buffer);
}
else {
// Use a type assertion to safely call toBuffer
const bwipjsModule = bwip_js_1.default;
res = await bwipjsModule.toBuffer(bwipjsArg);
}
return res;
};
exports.createBarCode = createBarCode;
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