ts-barcode-generator
Version:
Simple Barcode Generator created in TypeScript
59 lines (58 loc) • 1.91 kB
JavaScript
export default class QR {
constructor(data) {
this.data = data;
this.qrCode = [];
this.initializeQRCode();
this.encodeData();
}
initializeQRCode() {
for (let i = 0; i < 21; i++) {
this.qrCode[i] = new Array(21).fill('0');
}
// TODO: Add version, format, position, alignment, and timing patterns
}
encodeData() {
// TODO: Implement data encoding
}
charToBinary(char) {
const charCode = char.charCodeAt(0);
return charCode.toString(2).padStart(8, '0');
}
renderQRCode() {
// TODO: Implement rendering with quiet zones
for (let i = 0; i < 21; i++) {
console.log(this.qrCode[i].join(''));
}
}
renderQRCodeAsSVG() {
const whiteRectangles = [];
const blackRectangles = [];
for (let i = 0; i < 21; i++) {
for (let j = 0; j < 21; j++) {
const rectangle = `<rect x="${j * 10}" y="${i * 10}" width="10" height="10" fill="${this.qrCode[i][j] === '1' ? 'black' : 'white'}" />`;
if (this.qrCode[i][j] === '1') {
blackRectangles.push(rectangle);
}
else {
whiteRectangles.push(rectangle);
}
}
}
const svg = `<svg width="210" height="210" xmlns="http://www.w3.org/2000/svg">${whiteRectangles.join('')}${blackRectangles.join('')}</svg>`;
return svg;
}
// A QR code is capable of encoding a maximum of 2953 bytes of data
static isValidData(data) {
// TODO: Implement this
return true;
}
static generate(data) {
if (this.isValidData(data) === false) {
throw new Error('Invalid data');
}
else {
const qr = new QR(data);
return qr.renderQRCodeAsSVG();
}
}
}