@nuintun/qrcode
Version:
A pure JavaScript QRCode encode and decode library.
52 lines (49 loc) • 1.37 kB
JavaScript
/**
* @module QRCode
* @package @nuintun/qrcode
* @license MIT
* @version 5.0.2
* @author nuintun <nuintun@qq.com>
* @description A pure JavaScript QRCode encode and decode library.
* @see https://github.com/nuintun/qrcode#readme
*/
/**
* @module ECBlocks
*/
class ECBlocks {
#ecBlocks;
#numTotalCodewords;
#numTotalECCodewords;
#numTotalDataCodewords;
#numECCodewordsPerBlock;
constructor(numECCodewordsPerBlock, ...ecBlocks) {
let numBlocks = 0;
let numTotalDataCodewords = 0;
for (const { count, numDataCodewords } of ecBlocks) {
numBlocks += count;
numTotalDataCodewords += numDataCodewords * count;
}
const numTotalECCodewords = numECCodewordsPerBlock * numBlocks;
this.#ecBlocks = ecBlocks;
this.#numTotalECCodewords = numTotalECCodewords;
this.#numTotalDataCodewords = numTotalDataCodewords;
this.#numECCodewordsPerBlock = numECCodewordsPerBlock;
this.#numTotalCodewords = numTotalDataCodewords + numTotalECCodewords;
}
get ecBlocks() {
return this.#ecBlocks;
}
get numTotalCodewords() {
return this.#numTotalCodewords;
}
get numTotalECCodewords() {
return this.#numTotalECCodewords;
}
get numTotalDataCodewords() {
return this.#numTotalDataCodewords;
}
get numECCodewordsPerBlock() {
return this.#numECCodewordsPerBlock;
}
}
export { ECBlocks };