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Initial release of @aegisjsproject/qr-encoder #2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -18,3 +18,4 @@ importmap.yaml | |
| *.bak | ||
| *.env | ||
| !*.map | ||
| qr.js | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,107 @@ | ||
| import { MESSAGE } from 'npm-template/consts.js'; | ||
| console.log(import.meta); | ||
| console.info(MESSAGE); | ||
| import encodeQR from 'qr'; | ||
| const namespace = 'http://www.w3.org/2000/svg'; | ||
|
|
||
| const SANITIZER = { | ||
| allowElements: [ | ||
| { name: 'svg', namespace }, | ||
| { name: 'path', namespace }, | ||
| { name: 'rect', namespace }], | ||
| allowAttributes: { | ||
| 'viewBox': ['svg'], | ||
| 'xmlns': ['svg'], | ||
| 'd': ['path'], | ||
| 'fill': ['svg', 'rect'], | ||
| 'x': ['rect'], | ||
| 'y': ['rect'], | ||
| 'width': ['*'], | ||
| 'height': ['*'], | ||
| } | ||
| }; | ||
| const ECC = 'medium'; | ||
| const BORDER = 4; | ||
| const SCALE = 4; | ||
| const GIF = 'gif'; | ||
| const SVG = 'svg'; | ||
| const FILL = '#000'; | ||
| const BACKGROUND = '#fff'; | ||
| const SIZE = 480; | ||
|
|
||
| const attr = str => { | ||
| return String(str ?? '').replace(/[&<>"']/g, (char) => ({ | ||
| '&': '&', | ||
| '<': '<', | ||
| '>': '>', | ||
| '"': '"', | ||
| '\'': ''' | ||
| }[char])); | ||
| }; | ||
|
|
||
| export function createGIF(input, { | ||
| ecc = ECC, | ||
| border = BORDER, | ||
| scale = SCALE, | ||
| } = {}) { | ||
| return encodeQR(input, GIF, { ecc, border, scale }); | ||
| } | ||
|
|
||
| export const createGIFBlob = (input, { | ||
| ecc = ECC, | ||
| border = BORDER, | ||
| scale = SCALE, | ||
| } = {}) => new Blob([createGIF(input, { ecc, border, scale })], { type: 'image/gif' }); | ||
|
|
||
| export const createGIFFile = (input, name = 'qr.gif', { | ||
| ecc = ECC, | ||
| border = BORDER, | ||
| scale = SCALE, | ||
| } = {}) => new File([createGIF(input, { ecc, border, scale })], name, { type: 'image/gif' }); | ||
|
|
||
| export function createSVGString(input, { | ||
| ecc = ECC, | ||
| border = BORDER, | ||
| scale = SCALE, | ||
| size = SIZE, | ||
| fill = FILL, | ||
| background = BACKGROUND | ||
| } = {}) { | ||
| const s = attr(size); | ||
|
|
||
| return encodeQR(input, SVG, { ecc, border, scale }) | ||
| .replace('<svg ', `<svg fill="${attr(fill)}" height="${s}" width="${s}" `) | ||
| .replace(/(<svg[^>]*>)/i, `$1\n\t<rect x="0" y="0" fill="${attr(background)}" height="100%" width="100%" />\n`); | ||
| } | ||
|
|
||
| export const createSVGBlob = (input, { | ||
| ecc = ECC, | ||
| border = BORDER, | ||
| scale = SCALE, | ||
| fill = FILL, | ||
| background = BACKGROUND, | ||
| size = SIZE, | ||
| } = {}) => new Blob([createSVGString(input, { ecc, border, scale, fill, background, size })], { type: 'image/svg+xml' }); | ||
|
|
||
| export const createSVGFile = (input, name = 'qr.svg', { | ||
| ecc = ECC, | ||
| border = BORDER, | ||
| scale = SCALE, | ||
| fill = FILL, | ||
| background = BACKGROUND, | ||
| size = SIZE, | ||
| } = {}) => new File([createSVGString(input, { ecc, border, scale, fill, background, size })], name, { type: 'image/svg+xml' }); | ||
|
|
||
| export function createSVGElement(input, { | ||
| ecc = ECC, | ||
| border = BORDER, | ||
| scale = SCALE, | ||
| fill = FILL, | ||
| background = BACKGROUND, | ||
| size = SIZE, | ||
| } = {}) { | ||
| // eslint-disable-next-line no-undef | ||
| const el = document.createElement('div'); | ||
| el.setHTML( | ||
| createSVGString(input, { ecc, border, scale, fill, background, size }), | ||
| { sanitizer: SANITIZER } | ||
| ); | ||
| return el.firstElementChild; | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,34 @@ | ||
| import { test, describe } from 'node:test'; | ||
| import assert from 'node:assert'; | ||
| import { MESSAGE } from './consts.js'; | ||
| import { createSVGBlob, createSVGFile, createGIFFile, createGIFBlob } from './index.js'; | ||
| const signal = AbortSignal.timeout(300); | ||
| const input = 'https://github.com/AegisJSProject/qr-encoder'; | ||
|
|
||
| describe('An example test', () => { | ||
| test('Message is a string', { signal }, () => assert.equal(typeof MESSAGE, 'string', 'Message should be a string.')); | ||
| describe('Test generating QR codes', () => { | ||
| test('Test generating SVG Blobs', { signal }, () => { | ||
| const result = createSVGBlob(input); | ||
| assert.ok(result instanceof Blob, 'Should output a `Blob`.'); | ||
| assert.equal(result?.type, 'image/svg+xml', 'Should have an SVG type.'); | ||
| assert.notEqual(result?.size, 0, 'Should not be empty.'); | ||
| }); | ||
| test('Test generating SVG Files', { signal }, () => { | ||
| const result = createSVGFile(input); | ||
| assert.ok(result instanceof File, 'Should output a `Blob`.'); | ||
| assert.equal(result?.type, 'image/svg+xml', 'Should have an SVG type.'); | ||
| assert.notEqual(result?.size, 0, 'Should not be empty.'); | ||
| assert.ok(result?.name?.endsWith('.svg'), 'SVG files should have the `.svg` extension.'); | ||
| }); | ||
| test('Test generating GIF Blobs', { signal }, () => { | ||
| const result = createGIFBlob(input); | ||
| assert.ok(result instanceof Blob, 'Should output a `Blob`.'); | ||
| assert.equal(result?.type, 'image/gif', 'Should have an SVG type.'); | ||
| assert.notEqual(result?.size, 0, 'Should not be empty.'); | ||
| }); | ||
| test('Test generating GIF Files', { signal }, () => { | ||
| const result = createGIFFile(input); | ||
| assert.ok(result instanceof File, 'Should output a `Blob`.'); | ||
| assert.equal(result?.type, 'image/gif', 'Should have an GIF type.'); | ||
| assert.notEqual(result?.size, 0, 'Should not be empty.'); | ||
| assert.ok(result?.name?.endsWith('.gif'), 'SVG files should have the `.gif` extension.'); | ||
| }); | ||
| }); |
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