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@akamfoad/qr

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@akamfoad/qr - npm Package Compare versions

Comparing version 0.1.4 to 0.2.0

dist/cjs/qr.cjs
dist/qr.d.mts
dist/qr.mjs
README.tsdx.md
src/test/index.test.ts

71

package.json
{
"version": "0.1.4",
"name": "@akamfoad/qr",
"version": "0.2.0",
"license": "MIT",
"main": "dist/index.js",
"typings": "dist/index.d.ts",
"description": "Fully typed QRCode encoding implementation in JavaScript with no dependencies!",
"homepage": "https://akamfoad.github.io/qr/",
"bugs": "https://github.com/akamfoad/qr/issues",
"repository": "github:akamfoad/qr",
"keywords": [
"qrcode",
"qr-code",
"qr",
"qrcode-generator"
],
"author": "akamfoad",
"files": [

@@ -10,2 +20,14 @@ "dist",

],
"main": "./dist/cjs/qr.cjs",
"module": "./dist/qr.mjs",
"typings": "dist/qr.d.mts",
"exports": {
"./package.json": "./package.json",
".": {
"types": "./dist/qr.d.mts",
"import": "./dist/qr.mjs",
"default": "./dist/cjs/qr.cjs"
}
},
"sideEffects": false,
"engines": {

@@ -15,25 +37,11 @@ "node": ">=16"

"scripts": {
"start": "tsdx watch",
"build": "tsdx build",
"test": "tsdx test",
"lint": "tsdx lint",
"prepare": "tsdx build",
"start": "tsup --watch",
"build": "tsup",
"test": "vitest",
"lint": "eslint",
"prepare": "tsup && husky install",
"size": "size-limit",
"analyze": "size-limit --why"
"analyze": "size-limit --why",
"docs": "typedoc --out typedocs src/index.ts"
},
"peerDependencies": {},
"husky": {
"hooks": {
"pre-commit": "tsdx lint"
}
},
"prettier": {
"printWidth": 80,
"semi": true,
"singleQuote": true,
"trailingComma": "es5"
},
"name": "@akamfoad/qr",
"author": "akamfoad",
"module": "dist/qr.esm.js",
"size-limit": [

@@ -51,8 +59,15 @@ {

"@size-limit/preset-small-lib": "^9.0.0",
"husky": "^8.0.3",
"@typescript-eslint/eslint-plugin": "^6.7.2",
"@typescript-eslint/parser": "^6.7.2",
"eslint": "^8.49.0",
"eslint-plugin-prettier": "^5.0.0",
"husky": "^8.0.0",
"lint-staged": "^14.0.1",
"prettier": "^3.0.3",
"size-limit": "^9.0.0",
"tsdx": "^0.14.1",
"tslib": "^2.6.2",
"typescript": "^5.2.2"
"tsup": "^7.2.0",
"typedoc": "^0.25.1",
"typescript": "^5.2.2",
"vitest": "^0.34.4"
}
}

105

README.md

@@ -1,103 +0,24 @@

# TSDX User Guide
# @akamfoad/qr
Congrats! You just saved yourself hours of work by bootstrapping this project with TSDX. Let’s get you oriented with what’s here and how to use it.
Fully typed **QRCode encoding** implementation in JavaScript with no dependencies!
> This TSDX setup is meant for developing libraries (not apps!) that can be published to NPM. If you’re looking to build a Node app, you could use `ts-node-dev`, plain `ts-node`, or simple `tsc`.
```js
import { qrcode as qr } from '@akamfoad/qr';
> If you’re new to TypeScript, checkout [this handy cheatsheet](https://devhints.io/typescript)
const qrcode = qr('foo bar baz');
## Commands
const cells = qrcode.modules;
TSDX scaffolds your new library inside `/src`.
To run TSDX, use:
```bash
npm start # or yarn start
// cell[R] -> row
// if cell[R][C] is true, that cell is "on"
```
This builds to `/dist` and runs the project in watch mode so any edits you save inside `src` causes a rebuild to `/dist`.
[interactive example](https://js-2xc6qu.stackblitz.io/)
To do a one-off build, use `npm run build` or `yarn build`.
## type docs
To run tests, use `npm test` or `yarn test`.
<https://akamfoad.github.io/qr/>
## Configuration
## credit
Code quality is set up for you with `prettier`, `husky`, and `lint-staged`. Adjust the respective fields in `package.json` accordingly.
### Jest
Jest tests are set up to run with `npm test` or `yarn test`.
### Bundle Analysis
[`size-limit`](https://github.com/ai/size-limit) is set up to calculate the real cost of your library with `npm run size` and visualize the bundle with `npm run analyze`.
#### Setup Files
This is the folder structure we set up for you:
```txt
/src
index.tsx # EDIT THIS
/test
blah.test.tsx # EDIT THIS
.gitignore
package.json
README.md # EDIT THIS
tsconfig.json
```
### Rollup
TSDX uses [Rollup](https://rollupjs.org) as a bundler and generates multiple rollup configs for various module formats and build settings. See [Optimizations](#optimizations) for details.
### TypeScript
`tsconfig.json` is set up to interpret `dom` and `esnext` types, as well as `react` for `jsx`. Adjust according to your needs.
## Continuous Integration
### GitHub Actions
Two actions are added by default:
- `main` which installs deps w/ cache, lints, tests, and builds on all pushes against a Node and OS matrix
- `size` which comments cost comparison of your library on every pull request using [`size-limit`](https://github.com/ai/size-limit)
## Optimizations
Please see the main `tsdx` [optimizations docs](https://github.com/palmerhq/tsdx#optimizations). In particular, know that you can take advantage of development-only optimizations:
```js
// ./types/index.d.ts
declare var __DEV__: boolean;
// inside your code...
if (__DEV__) {
console.log('foo');
}
```
You can also choose to install and use [invariant](https://github.com/palmerhq/tsdx#invariant) and [warning](https://github.com/palmerhq/tsdx#warning) functions.
## Module Formats
CJS, ESModules, and UMD module formats are supported.
The appropriate paths are configured in `package.json` and `dist/index.js` accordingly. Please report if any issues are found.
## Named Exports
Per Palmer Group guidelines, [always use named exports.](https://github.com/palmerhq/typescript#exports) Code split inside your React app instead of your React library.
## Including Styles
There are many ways to ship styles, including with CSS-in-JS. TSDX has no opinion on this, configure how you like.
For vanilla CSS, you can include it at the root directory and add it to the `files` section in your `package.json`, so that it can be imported separately by your users and run through their bundler's loader.
## Publishing to NPM
We recommend using [np](https://github.com/sindresorhus/np).
This library is repackaged work from the qrcode library here <http://www.d-project.com/> which is also licensed under the MIT license.

10

src/index.ts
import QRCode from './lib/QRCode';
import { ErrorCorrectLevel } from './lib/ErrorCorrectLevel';
export const qrcode = function(
export const qrcode = (
data: string,
opt?: { typeNumber?: number; errorCorrectLevel?: number }
) {
opt?: { typeNumber?: number; errorCorrectLevel?: number },
) => {
opt = opt || {};
var qr = new QRCode(
const qr = new QRCode(
opt.typeNumber || -1,
opt.errorCorrectLevel || ErrorCorrectLevel.H
opt.errorCorrectLevel || ErrorCorrectLevel.H,
);

@@ -13,0 +13,0 @@ qr.addData(data);

2

src/lib/8BitByte.ts

@@ -17,3 +17,3 @@ import mode from './mode';

write(buffer: QRBitBuffer) {
for (var i = 0; i < this.data.length; i++) {
for (let i = 0; i < this.data.length; i++) {
// not JIS ...

@@ -20,0 +20,0 @@ buffer.put(this.data.charCodeAt(i), 8);

8

src/lib/BitBuffer.ts

@@ -5,3 +5,3 @@ export default class QRBitBuffer {

constructor() {
this.buffer = new Array();
this.buffer = [];
this.length = 0;

@@ -11,3 +11,3 @@ }

get(index: number) {
var bufIndex = Math.floor(index / 8);
const bufIndex = Math.floor(index / 8);
return ((this.buffer[bufIndex] >>> (7 - (index % 8))) & 1) == 1;

@@ -17,3 +17,3 @@ }

put(num: number, length: number) {
for (var i = 0; i < length; i++) {
for (let i = 0; i < length; i++) {
this.putBit(((num >>> (length - i - 1)) & 1) == 1);

@@ -28,3 +28,3 @@ }

putBit(bit: boolean) {
var bufIndex = Math.floor(this.length / 8);
const bufIndex = Math.floor(this.length / 8);
if (this.buffer.length <= bufIndex) {

@@ -31,0 +31,0 @@ this.buffer.push(0);

12

src/lib/math.ts

@@ -1,3 +0,3 @@

var QRMath = {
glog: function(n: number) {
const QRMath = {
glog: function (n: number) {
if (n < 1) {

@@ -10,3 +10,3 @@ throw new Error('glog(' + n + ')');

gexp: function(n: number) {
gexp: function (n: number) {
while (n < 0) {

@@ -28,6 +28,6 @@ n += 255;

for (var i = 0; i < 8; i++) {
for (let i = 0; i < 8; i++) {
QRMath.EXP_TABLE[i] = 1 << i;
}
for (var i = 8; i < 256; i++) {
for (let i = 8; i < 256; i++) {
QRMath.EXP_TABLE[i] =

@@ -39,3 +39,3 @@ QRMath.EXP_TABLE[i - 4] ^

}
for (var i = 0; i < 255; i++) {
for (let i = 0; i < 255; i++) {
QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i;

@@ -42,0 +42,0 @@ }

8

src/lib/mode.ts
export default {
MODE_NUMBER : 1 << 0,
MODE_ALPHA_NUM : 1 << 1,
MODE_8BIT_BYTE : 1 << 2,
MODE_KANJI : 1 << 3
MODE_NUMBER: 1 << 0,
MODE_ALPHA_NUM: 1 << 1,
MODE_8BIT_BYTE: 1 << 2,
MODE_KANJI: 1 << 3,
};

18

src/lib/Polynomial.ts

@@ -11,3 +11,3 @@ import math from './math';

var offset = 0;
let offset = 0;

@@ -19,3 +19,3 @@ while (offset < num.length && num[offset] == 0) {

this.num = new Array(num.length - offset + shift);
for (var i = 0; i < num.length - offset; i++) {
for (let i = 0; i < num.length - offset; i++) {
this.num[i] = num[i + offset];

@@ -34,6 +34,6 @@ }

multiply(e: QRPolynomial): QRPolynomial {
var num = new Array(this.getLength() + e.getLength() - 1);
const num = new Array(this.getLength() + e.getLength() - 1);
for (var i = 0; i < this.getLength(); i++) {
for (var j = 0; j < e.getLength(); j++) {
for (let i = 0; i < this.getLength(); i++) {
for (let j = 0; j < e.getLength(); j++) {
num[i + j] ^= math.gexp(math.glog(this.get(i)) + math.glog(e.get(j)));

@@ -51,11 +51,11 @@ }

var ratio = math.glog(this.get(0)) - math.glog(e.get(0));
const ratio = math.glog(this.get(0)) - math.glog(e.get(0));
var num = new Array(this.getLength());
const num = new Array(this.getLength());
for (var i = 0; i < this.getLength(); i++) {
for (let i = 0; i < this.getLength(); i++) {
num[i] = this.get(i);
}
for (var i = 0; i < e.getLength(); i++) {
for (let i = 0; i < e.getLength(); i++) {
num[i] ^= math.gexp(math.glog(e.get(i)) + ratio);

@@ -62,0 +62,0 @@ }

173

src/lib/QRCode.ts

@@ -25,3 +25,3 @@ import BitByte from './8BitByte';

addData(data: string) {
var newData = new BitByte(data);
const newData = new BitByte(data);
this.dataList.push(newData);

@@ -55,18 +55,21 @@ this.dataCache = null;

if (this.typeNumber < 1) {
var typeNumber = 1;
let typeNumber = 1;
for (typeNumber = 1; typeNumber < 40; typeNumber++) {
var rsBlocks = RSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel);
const rsBlocks = RSBlock.getRSBlocks(
typeNumber,
this.errorCorrectLevel,
);
var buffer = new BitBuffer();
var totalDataCount = 0;
for (var i = 0; i < rsBlocks.length; i++) {
const buffer = new BitBuffer();
let totalDataCount = 0;
for (let i = 0; i < rsBlocks.length; i++) {
totalDataCount += rsBlocks[i].dataCount;
}
for (var i = 0; i < this.dataList.length; i++) {
var data = this.dataList[i];
for (let i = 0; i < this.dataList.length; i++) {
const data = this.dataList[i];
buffer.put(data.mode, 4);
buffer.put(
data.getLength(),
util.getLengthInBits(data.mode, typeNumber)
util.getLengthInBits(data.mode, typeNumber),
);

@@ -86,6 +89,6 @@ data.write(buffer);

for (var row = 0; row < this.moduleCount; row++) {
for (let row = 0; row < this.moduleCount; row++) {
this.modules[row] = new Array(this.moduleCount);
for (var col = 0; col < this.moduleCount; col++) {
for (let col = 0; col < this.moduleCount; col++) {
this.modules[row][col] = null; //(col + row) % 3;

@@ -110,3 +113,3 @@ }

this.errorCorrectLevel,
this.dataList
this.dataList,
);

@@ -119,6 +122,6 @@ }

setupPositionProbePattern(row: number, col: number) {
for (var r = -1; r <= 7; r++) {
for (let r = -1; r <= 7; r++) {
if (row + r <= -1 || this.moduleCount <= row + r) continue;
for (var c = -1; c <= 7; c++) {
for (let c = -1; c <= 7; c++) {
if (col + c <= -1 || this.moduleCount <= col + c) continue;

@@ -146,9 +149,9 @@

getBestMaskPattern() {
var minLostPoint = 0;
var pattern = 0;
let minLostPoint = 0;
let pattern = 0;
for (var i = 0; i < 8; i++) {
for (let i = 0; i < 8; i++) {
this.makeImpl(true, i);
var lostPoint = util.getLostPoint(this);
const lostPoint = util.getLostPoint(this);

@@ -165,2 +168,3 @@ if (i == 0 || minLostPoint > lostPoint) {

// FIXME where is this used? outside maybe? Try to find out
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore

@@ -171,15 +175,14 @@ createMovieClip(target_mc, instance_name, depth) {

}
var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth);
var cs = 1;
const qr_mc = target_mc.createEmptyMovieClip(instance_name, depth);
const cs = 1;
this.make();
for (let row = 0; row < this.modules.length; row++) {
const y = row * cs;
for (var row = 0; row < this.modules.length; row++) {
var y = row * cs;
for (let col = 0; col < this.modules[row].length; col++) {
const x = col * cs;
const dark = this.modules[row][col];
for (var col = 0; col < this.modules[row].length; col++) {
var x = col * cs;
var dark = this.modules[row][col];
if (dark) {

@@ -204,3 +207,3 @@ qr_mc.beginFill(0, 100);

for (var r = 8; r < this.moduleCount - 8; r++) {
for (let r = 8; r < this.moduleCount - 8; r++) {
if (this.modules[r][6] != null) {

@@ -212,3 +215,3 @@ continue;

for (var c = 8; c < this.moduleCount - 8; c++) {
for (let c = 8; c < this.moduleCount - 8; c++) {
if (this.modules[6][c] != null) {

@@ -226,8 +229,8 @@ continue;

var pos = util.getPatternPosition(this.typeNumber);
const pos = util.getPatternPosition(this.typeNumber);
for (var i = 0; i < pos.length; i++) {
for (var j = 0; j < pos.length; j++) {
var row = pos[i];
var col = pos[j];
for (let i = 0; i < pos.length; i++) {
for (let j = 0; j < pos.length; j++) {
const row = pos[i];
const col = pos[j];

@@ -238,4 +241,4 @@ if (this.modules[row][col] != null) {

for (var r = -2; r <= 2; r++) {
for (var c = -2; c <= 2; c++) {
for (let r = -2; r <= 2; r++) {
for (let c = -2; c <= 2; c++) {
if (r == -2 || r == 2 || c == -2 || c == 2 || (r == 0 && c == 0)) {

@@ -257,11 +260,11 @@ this.modules[row + r][col + c] = true;

var bits = util.getBCHTypeNumber(this.typeNumber);
const bits = util.getBCHTypeNumber(this.typeNumber);
for (var i = 0; i < 18; i++) {
var mod = !test && ((bits >> i) & 1) == 1;
for (let i = 0; i < 18; i++) {
const mod = !test && ((bits >> i) & 1) == 1;
this.modules[Math.floor(i / 3)][(i % 3) + this.moduleCount - 8 - 3] = mod;
}
for (var i = 0; i < 18; i++) {
var mod = !test && ((bits >> i) & 1) == 1;
for (let i = 0; i < 18; i++) {
const mod = !test && ((bits >> i) & 1) == 1;
this.modules[(i % 3) + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod;

@@ -276,8 +279,8 @@ }

var data = (this.errorCorrectLevel << 3) | maskPattern;
var bits = util.getBCHTypeInfo(data);
const data = (this.errorCorrectLevel << 3) | maskPattern;
const bits = util.getBCHTypeInfo(data);
// vertical
for (var i = 0; i < 15; i++) {
var mod = !test && ((bits >> i) & 1) == 1;
for (let i = 0; i < 15; i++) {
const mod = !test && ((bits >> i) & 1) == 1;

@@ -294,4 +297,4 @@ if (i < 6) {

// horizontal
for (var i = 0; i < 15; i++) {
var mod = !test && ((bits >> i) & 1) == 1;
for (let i = 0; i < 15; i++) {
const mod = !test && ((bits >> i) & 1) == 1;

@@ -316,14 +319,15 @@ if (i < 8) {

var inc = -1;
var row = this.moduleCount - 1;
var bitIndex = 7;
var byteIndex = 0;
let inc = -1;
let row = this.moduleCount - 1;
let bitIndex = 7;
let byteIndex = 0;
for (var col = this.moduleCount - 1; col > 0; col -= 2) {
for (let col = this.moduleCount - 1; col > 0; col -= 2) {
if (col == 6) col--;
// eslint-disable-next-line no-constant-condition
while (true) {
for (var c = 0; c < 2; c++) {
for (let c = 0; c < 2; c++) {
if (this.modules[row][col - c] == null) {
var dark = false;
let dark = false;

@@ -334,3 +338,3 @@ if (byteIndex < data.length) {

var mask = util.getMask(maskPattern, row, col - c);
const mask = util.getMask(maskPattern, row, col - c);

@@ -368,10 +372,10 @@ if (mask) {

errorCorrectLevel: number,
dataList: BitByte[]
dataList: BitByte[],
) {
var rsBlocks = RSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
const rsBlocks = RSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
var buffer = new BitBuffer();
const buffer = new BitBuffer();
for (var i = 0; i < dataList.length; i++) {
var data = dataList[i];
for (let i = 0; i < dataList.length; i++) {
const data = dataList[i];
buffer.put(data.mode, 4);

@@ -383,4 +387,4 @@ buffer.put(data.getLength(), util.getLengthInBits(data.mode, typeNumber));

// calc num max data.
var totalDataCount = 0;
for (var i = 0; i < rsBlocks.length; i++) {
let totalDataCount = 0;
for (let i = 0; i < rsBlocks.length; i++) {
totalDataCount += rsBlocks[i].dataCount;

@@ -395,3 +399,3 @@ }

totalDataCount * 8 +
')'
')',
);

@@ -411,2 +415,3 @@ }

// padding
// eslint-disable-next-line no-constant-condition
while (true) {

@@ -428,13 +433,13 @@ if (buffer.getLengthInBits() >= totalDataCount * 8) {

static createBytes(buffer: BitBuffer, rsBlocks: RSBlock[]): number[] {
var offset = 0;
let offset = 0;
var maxDcCount = 0;
var maxEcCount = 0;
let maxDcCount = 0;
let maxEcCount = 0;
var dcdata = new Array<number[]>(rsBlocks.length);
var ecdata = new Array<number[]>(rsBlocks.length);
const dcdata = new Array<number[]>(rsBlocks.length);
const ecdata = new Array<number[]>(rsBlocks.length);
for (var r = 0; r < rsBlocks.length; r++) {
var dcCount = rsBlocks[r].dataCount;
var ecCount = rsBlocks[r].totalCount - dcCount;
for (let r = 0; r < rsBlocks.length; r++) {
const dcCount = rsBlocks[r].dataCount;
const ecCount = rsBlocks[r].totalCount - dcCount;

@@ -446,3 +451,3 @@ maxDcCount = Math.max(maxDcCount, dcCount);

for (var i = 0; i < dcdata[r].length; i++) {
for (let i = 0; i < dcdata[r].length; i++) {
dcdata[r][i] = 0xff & buffer.buffer[i + offset];

@@ -452,9 +457,9 @@ }

var rsPoly = util.getErrorCorrectPolynomial(ecCount);
var rawPoly = new Polynomial(dcdata[r], rsPoly.getLength() - 1);
const rsPoly = util.getErrorCorrectPolynomial(ecCount);
const rawPoly = new Polynomial(dcdata[r], rsPoly.getLength() - 1);
var modPoly = rawPoly.mod(rsPoly);
const modPoly = rawPoly.mod(rsPoly);
ecdata[r] = new Array(rsPoly.getLength() - 1);
for (var i = 0; i < ecdata[r].length; i++) {
var modIndex = i + modPoly.getLength() - ecdata[r].length;
for (let i = 0; i < ecdata[r].length; i++) {
const modIndex = i + modPoly.getLength() - ecdata[r].length;
ecdata[r][i] = modIndex >= 0 ? modPoly.get(modIndex) : 0;

@@ -464,12 +469,12 @@ }

var totalCodeCount = 0;
for (var i = 0; i < rsBlocks.length; i++) {
let totalCodeCount = 0;
for (let i = 0; i < rsBlocks.length; i++) {
totalCodeCount += rsBlocks[i].totalCount;
}
var data = new Array<number>(totalCodeCount);
var index = 0;
const data = new Array<number>(totalCodeCount);
let index = 0;
for (var i = 0; i < maxDcCount; i++) {
for (var r = 0; r < rsBlocks.length; r++) {
for (let i = 0; i < maxDcCount; i++) {
for (let r = 0; r < rsBlocks.length; r++) {
if (i < dcdata[r].length) {

@@ -481,4 +486,4 @@ data[index++] = dcdata[r][i];

for (var i = 0; i < maxEcCount; i++) {
for (var r = 0; r < rsBlocks.length; r++) {
for (let i = 0; i < maxEcCount; i++) {
for (let r = 0; r < rsBlocks.length; r++) {
if (i < ecdata[r].length) {

@@ -485,0 +490,0 @@ data[index++] = ecdata[r][i];

18

src/lib/RSBlock.ts

@@ -259,3 +259,3 @@ import { ErrorCorrectLevel } from './ErrorCorrectLevel';

static getRSBlocks(typeNumber: number, errorCorrectLevel: number) {
var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);
const rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);

@@ -267,16 +267,16 @@ if (rsBlock == undefined) {

'/errorCorrectLevel:' +
errorCorrectLevel
errorCorrectLevel,
);
}
var length = rsBlock.length / 3;
const length = rsBlock.length / 3;
var list = new Array();
const list = [];
for (var i = 0; i < length; i++) {
var count = rsBlock[i * 3 + 0];
var totalCount = rsBlock[i * 3 + 1];
var dataCount = rsBlock[i * 3 + 2];
for (let i = 0; i < length; i++) {
const count = rsBlock[i * 3 + 0];
const totalCount = rsBlock[i * 3 + 1];
const dataCount = rsBlock[i * 3 + 2];
for (var j = 0; j < count; j++) {
for (let j = 0; j < count; j++) {
list.push(new QRRSBlock(totalCount, dataCount));

@@ -283,0 +283,0 @@ }

495

src/lib/util.ts

@@ -1,280 +0,299 @@

import Mode from './mode'
import Polynomial from './Polynomial'
import math from './math'
import Mode from './mode';
import Polynomial from './Polynomial';
import math from './math';
import type QRCode from './QRCode';
var QRMaskPattern = {
PATTERN000 : 0,
PATTERN001 : 1,
PATTERN010 : 2,
PATTERN011 : 3,
PATTERN100 : 4,
PATTERN101 : 5,
PATTERN110 : 6,
PATTERN111 : 7
const QRMaskPattern = {
PATTERN000: 0,
PATTERN001: 1,
PATTERN010: 2,
PATTERN011: 3,
PATTERN100: 4,
PATTERN101: 5,
PATTERN110: 6,
PATTERN111: 7,
};
var QRUtil = {
const QRUtil = {
PATTERN_POSITION_TABLE: [
[],
[6, 18],
[6, 22],
[6, 26],
[6, 30],
[6, 34],
[6, 22, 38],
[6, 24, 42],
[6, 26, 46],
[6, 28, 50],
[6, 30, 54],
[6, 32, 58],
[6, 34, 62],
[6, 26, 46, 66],
[6, 26, 48, 70],
[6, 26, 50, 74],
[6, 30, 54, 78],
[6, 30, 56, 82],
[6, 30, 58, 86],
[6, 34, 62, 90],
[6, 28, 50, 72, 94],
[6, 26, 50, 74, 98],
[6, 30, 54, 78, 102],
[6, 28, 54, 80, 106],
[6, 32, 58, 84, 110],
[6, 30, 58, 86, 114],
[6, 34, 62, 90, 118],
[6, 26, 50, 74, 98, 122],
[6, 30, 54, 78, 102, 126],
[6, 26, 52, 78, 104, 130],
[6, 30, 56, 82, 108, 134],
[6, 34, 60, 86, 112, 138],
[6, 30, 58, 86, 114, 142],
[6, 34, 62, 90, 118, 146],
[6, 30, 54, 78, 102, 126, 150],
[6, 24, 50, 76, 102, 128, 154],
[6, 28, 54, 80, 106, 132, 158],
[6, 32, 58, 84, 110, 136, 162],
[6, 26, 54, 82, 110, 138, 166],
[6, 30, 58, 86, 114, 142, 170],
],
PATTERN_POSITION_TABLE : [
[],
[6, 18],
[6, 22],
[6, 26],
[6, 30],
[6, 34],
[6, 22, 38],
[6, 24, 42],
[6, 26, 46],
[6, 28, 50],
[6, 30, 54],
[6, 32, 58],
[6, 34, 62],
[6, 26, 46, 66],
[6, 26, 48, 70],
[6, 26, 50, 74],
[6, 30, 54, 78],
[6, 30, 56, 82],
[6, 30, 58, 86],
[6, 34, 62, 90],
[6, 28, 50, 72, 94],
[6, 26, 50, 74, 98],
[6, 30, 54, 78, 102],
[6, 28, 54, 80, 106],
[6, 32, 58, 84, 110],
[6, 30, 58, 86, 114],
[6, 34, 62, 90, 118],
[6, 26, 50, 74, 98, 122],
[6, 30, 54, 78, 102, 126],
[6, 26, 52, 78, 104, 130],
[6, 30, 56, 82, 108, 134],
[6, 34, 60, 86, 112, 138],
[6, 30, 58, 86, 114, 142],
[6, 34, 62, 90, 118, 146],
[6, 30, 54, 78, 102, 126, 150],
[6, 24, 50, 76, 102, 128, 154],
[6, 28, 54, 80, 106, 132, 158],
[6, 32, 58, 84, 110, 136, 162],
[6, 26, 54, 82, 110, 138, 166],
[6, 30, 58, 86, 114, 142, 170]
],
G15:
(1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0),
G18:
(1 << 12) |
(1 << 11) |
(1 << 10) |
(1 << 9) |
(1 << 8) |
(1 << 5) |
(1 << 2) |
(1 << 0),
G15_MASK: (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),
G15 : (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0),
G18 : (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0),
G15_MASK : (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1),
getBCHTypeInfo: function (data: number) {
let d = data << 10;
while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) {
d ^=
QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15));
}
return ((data << 10) | d) ^ QRUtil.G15_MASK;
},
getBCHTypeInfo : function(data:number) {
var d = data << 10;
while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) {
d ^= (QRUtil.G15 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) ) );
}
return ( (data << 10) | d) ^ QRUtil.G15_MASK;
},
getBCHTypeNumber: function (data: number) {
let d = data << 12;
while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) {
d ^=
QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18));
}
return (data << 12) | d;
},
getBCHTypeNumber : function(data:number) {
var d = data << 12;
while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) {
d ^= (QRUtil.G18 << (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) ) );
}
return (data << 12) | d;
},
getBCHDigit: function (data: number) {
let digit = 0;
getBCHDigit : function(data:number) {
while (data != 0) {
digit++;
data >>>= 1;
}
var digit = 0;
return digit;
},
while (data != 0) {
digit++;
data >>>= 1;
}
getPatternPosition: function (typeNumber: number) {
return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1];
},
return digit;
},
getMask: function (maskPattern: number, i: number, j: number) {
switch (maskPattern) {
case QRMaskPattern.PATTERN000:
return (i + j) % 2 == 0;
case QRMaskPattern.PATTERN001:
return i % 2 == 0;
case QRMaskPattern.PATTERN010:
return j % 3 == 0;
case QRMaskPattern.PATTERN011:
return (i + j) % 3 == 0;
case QRMaskPattern.PATTERN100:
return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;
case QRMaskPattern.PATTERN101:
return ((i * j) % 2) + ((i * j) % 3) == 0;
case QRMaskPattern.PATTERN110:
return (((i * j) % 2) + ((i * j) % 3)) % 2 == 0;
case QRMaskPattern.PATTERN111:
return (((i * j) % 3) + ((i + j) % 2)) % 2 == 0;
getPatternPosition : function(typeNumber:number) {
return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1];
},
default:
throw new Error('bad maskPattern:' + maskPattern);
}
},
getMask : function(maskPattern:number, i:number, j:number) {
switch (maskPattern) {
case QRMaskPattern.PATTERN000 : return (i + j) % 2 == 0;
case QRMaskPattern.PATTERN001 : return i % 2 == 0;
case QRMaskPattern.PATTERN010 : return j % 3 == 0;
case QRMaskPattern.PATTERN011 : return (i + j) % 3 == 0;
case QRMaskPattern.PATTERN100 : return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0;
case QRMaskPattern.PATTERN101 : return (i * j) % 2 + (i * j) % 3 == 0;
case QRMaskPattern.PATTERN110 : return ( (i * j) % 2 + (i * j) % 3) % 2 == 0;
case QRMaskPattern.PATTERN111 : return ( (i * j) % 3 + (i + j) % 2) % 2 == 0;
getErrorCorrectPolynomial: function (errorCorrectLength: number) {
let a = new Polynomial([1], 0);
default :
throw new Error("bad maskPattern:" + maskPattern);
}
},
for (let i = 0; i < errorCorrectLength; i++) {
a = a.multiply(new Polynomial([1, math.gexp(i)], 0));
}
getErrorCorrectPolynomial : function(errorCorrectLength:number) {
return a;
},
var a = new Polynomial([1], 0);
getLengthInBits: function (mode: number, type: number) {
if (1 <= type && type < 10) {
// 1 - 9
for (var i = 0; i < errorCorrectLength; i++) {
a = a.multiply(new Polynomial([1, math.gexp(i)], 0) );
}
switch (mode) {
case Mode.MODE_NUMBER:
return 10;
case Mode.MODE_ALPHA_NUM:
return 9;
case Mode.MODE_8BIT_BYTE:
return 8;
case Mode.MODE_KANJI:
return 8;
default:
throw new Error('mode:' + mode);
}
} else if (type < 27) {
// 10 - 26
return a;
},
switch (mode) {
case Mode.MODE_NUMBER:
return 12;
case Mode.MODE_ALPHA_NUM:
return 11;
case Mode.MODE_8BIT_BYTE:
return 16;
case Mode.MODE_KANJI:
return 10;
default:
throw new Error('mode:' + mode);
}
} else if (type < 41) {
// 27 - 40
getLengthInBits : function(mode:number, type:number) {
switch (mode) {
case Mode.MODE_NUMBER:
return 14;
case Mode.MODE_ALPHA_NUM:
return 13;
case Mode.MODE_8BIT_BYTE:
return 16;
case Mode.MODE_KANJI:
return 12;
default:
throw new Error('mode:' + mode);
}
} else {
throw new Error('type:' + type);
}
},
if (1 <= type && type < 10) {
getLostPoint: function (qrCode: QRCode) {
const moduleCount = qrCode.getModuleCount();
// 1 - 9
let lostPoint = 0;
switch(mode) {
case Mode.MODE_NUMBER : return 10;
case Mode.MODE_ALPHA_NUM : return 9;
case Mode.MODE_8BIT_BYTE : return 8;
case Mode.MODE_KANJI : return 8;
default :
throw new Error("mode:" + mode);
}
// LEVEL1
} else if (type < 27) {
for (let row = 0; row < moduleCount; row++) {
for (let col = 0; col < moduleCount; col++) {
let sameCount = 0;
const dark = qrCode.isDark(row, col);
// 10 - 26
for (let r = -1; r <= 1; r++) {
if (row + r < 0 || moduleCount <= row + r) {
continue;
}
switch(mode) {
case Mode.MODE_NUMBER : return 12;
case Mode.MODE_ALPHA_NUM : return 11;
case Mode.MODE_8BIT_BYTE : return 16;
case Mode.MODE_KANJI : return 10;
default :
throw new Error("mode:" + mode);
}
for (let c = -1; c <= 1; c++) {
if (col + c < 0 || moduleCount <= col + c) {
continue;
}
} else if (type < 41) {
if (r == 0 && c == 0) {
continue;
}
// 27 - 40
if (dark == qrCode.isDark(row + r, col + c)) {
sameCount++;
}
}
}
switch(mode) {
case Mode.MODE_NUMBER : return 14;
case Mode.MODE_ALPHA_NUM : return 13;
case Mode.MODE_8BIT_BYTE : return 16;
case Mode.MODE_KANJI : return 12;
default :
throw new Error("mode:" + mode);
}
if (sameCount > 5) {
lostPoint += 3 + sameCount - 5;
}
}
}
} else {
throw new Error("type:" + type);
}
},
// LEVEL2
getLostPoint : function(qrCode: QRCode) {
var moduleCount = qrCode.getModuleCount();
var lostPoint = 0;
// LEVEL1
for (var row = 0; row < moduleCount; row++) {
for (let row = 0; row < moduleCount - 1; row++) {
for (let col = 0; col < moduleCount - 1; col++) {
let count = 0;
if (qrCode.isDark(row, col)) count++;
if (qrCode.isDark(row + 1, col)) count++;
if (qrCode.isDark(row, col + 1)) count++;
if (qrCode.isDark(row + 1, col + 1)) count++;
if (count == 0 || count == 4) {
lostPoint += 3;
}
}
}
for (var col = 0; col < moduleCount; col++) {
// LEVEL3
var sameCount = 0;
var dark = qrCode.isDark(row, col);
for (let row = 0; row < moduleCount; row++) {
for (let col = 0; col < moduleCount - 6; col++) {
if (
qrCode.isDark(row, col) &&
!qrCode.isDark(row, col + 1) &&
qrCode.isDark(row, col + 2) &&
qrCode.isDark(row, col + 3) &&
qrCode.isDark(row, col + 4) &&
!qrCode.isDark(row, col + 5) &&
qrCode.isDark(row, col + 6)
) {
lostPoint += 40;
}
}
}
for (var r = -1; r <= 1; r++) {
for (let col = 0; col < moduleCount; col++) {
for (let row = 0; row < moduleCount - 6; row++) {
if (
qrCode.isDark(row, col) &&
!qrCode.isDark(row + 1, col) &&
qrCode.isDark(row + 2, col) &&
qrCode.isDark(row + 3, col) &&
qrCode.isDark(row + 4, col) &&
!qrCode.isDark(row + 5, col) &&
qrCode.isDark(row + 6, col)
) {
lostPoint += 40;
}
}
}
if (row + r < 0 || moduleCount <= row + r) {
continue;
}
// LEVEL4
for (var c = -1; c <= 1; c++) {
let darkCount = 0;
if (col + c < 0 || moduleCount <= col + c) {
continue;
}
for (let col = 0; col < moduleCount; col++) {
for (let row = 0; row < moduleCount; row++) {
if (qrCode.isDark(row, col)) {
darkCount++;
}
}
}
if (r == 0 && c == 0) {
continue;
}
const ratio =
Math.abs((100 * darkCount) / moduleCount / moduleCount - 50) / 5;
lostPoint += ratio * 10;
if (dark == qrCode.isDark(row + r, col + c) ) {
sameCount++;
}
}
}
if (sameCount > 5) {
lostPoint += (3 + sameCount - 5);
}
}
}
// LEVEL2
for (var row = 0; row < moduleCount - 1; row++) {
for (var col = 0; col < moduleCount - 1; col++) {
var count = 0;
if (qrCode.isDark(row, col ) ) count++;
if (qrCode.isDark(row + 1, col ) ) count++;
if (qrCode.isDark(row, col + 1) ) count++;
if (qrCode.isDark(row + 1, col + 1) ) count++;
if (count == 0 || count == 4) {
lostPoint += 3;
}
}
}
// LEVEL3
for (var row = 0; row < moduleCount; row++) {
for (var col = 0; col < moduleCount - 6; col++) {
if (qrCode.isDark(row, col)
&& !qrCode.isDark(row, col + 1)
&& qrCode.isDark(row, col + 2)
&& qrCode.isDark(row, col + 3)
&& qrCode.isDark(row, col + 4)
&& !qrCode.isDark(row, col + 5)
&& qrCode.isDark(row, col + 6) ) {
lostPoint += 40;
}
}
}
for (var col = 0; col < moduleCount; col++) {
for (var row = 0; row < moduleCount - 6; row++) {
if (qrCode.isDark(row, col)
&& !qrCode.isDark(row + 1, col)
&& qrCode.isDark(row + 2, col)
&& qrCode.isDark(row + 3, col)
&& qrCode.isDark(row + 4, col)
&& !qrCode.isDark(row + 5, col)
&& qrCode.isDark(row + 6, col) ) {
lostPoint += 40;
}
}
}
// LEVEL4
var darkCount = 0;
for (var col = 0; col < moduleCount; col++) {
for (var row = 0; row < moduleCount; row++) {
if (qrCode.isDark(row, col) ) {
darkCount++;
}
}
}
var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
lostPoint += ratio * 10;
return lostPoint;
}
return lostPoint;
},
};
export default QRUtil;
dist/index.d.ts
dist/index.js
dist/lib/8BitByte.d.ts
dist/lib/BitBuffer.d.ts
dist/lib/ErrorCorrectLevel.d.ts
dist/lib/math.d.ts
dist/lib/mode.d.ts
dist/lib/Polynomial.d.ts
dist/lib/QRCode.d.ts
dist/lib/RSBlock.d.ts
dist/lib/util.d.ts
dist/qr.cjs.development.js
dist/qr.cjs.development.js.map
dist/qr.cjs.production.min.js
dist/qr.cjs.production.min.js.map
dist/qr.esm.js
dist/qr.esm.js.map
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