lean-qr - npm Package Compare versions

Comparing version 1.4.0 to 1.5.0

build/extras/svg.js

 "use strict";Object.defineProperty(exports,"__esModule",{value:!0});const e="http://www.w3.org/2000/svg",t=/[^-a-zA-Z0-9 .:/#%]/g,n=function(t,n,r){let o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:[],i=arguments.length>4?arguments[4]:void 0;const l=i||t.createElementNS(e,n);return Object.entries(r).forEach((e=>{let[t,n]=e;return l.setAttribute(t,n)})),l.replaceChildren(...o),l},r=function(e,n){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:[];return[`<${e}`,...Object.entries(n).map((e=>{let[n,r]=e;return` ${n}="${String(r).replaceAll(t,"")}"`})),">",...r,`</${e}>`].join("")},o=(e,t)=>{const n=e.get(t);return e.delete(t),n},i=e=>{const t=new Map,n=[];for(let r=0;r<=e.size;++r)for(let i=0;i<=e.size;++i){const l=e.get(i,r),s=e.get(i,r-1),c=e.get(i-1,r);if(l===s&&l===c)continue;const a=[c!==l&&i+" "+(r+1),i+" "+r,s!==l&&i+1+" "+r].filter((e=>e));l||a.reverse();const g=a.pop(),u=o(t,a[0])||[],h=o(t,g);u.push(...a),u!==h?(h?h.unshift(...u):t.set(g,u),t.set(u[0],h||u)):n.push(u)}return n.map((e=>`M${e.join("L")}Z`)).join("")},l=(t,n,r,o)=>{let{on:l="black",off:s,padX:c=4,padY:a=4,width:g,height:u,scale:h=1}=n;const d=t.size+2*c,p=t.size+2*a;return r("svg",{xmlns:e,version:"1.1",viewBox:`${-c} ${-a} ${d} ${p}`,width:g??d*h,height:u??p*h,"shape-rendering":"crispedges"},[s?r("rect",{x:-c,y:-a,width:d,height:p,fill:s}):"",r("path",{d:i(t),fill:l})],o)},s=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return(t.xmlDeclaration?'<?xml version="1.0" encoding="UTF-8" ?>':"")+l(e,t,r)};exports.toSvg=function(e,t){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};return t.body?l(e,r,n.bind(null,t)):l(e,r,n.bind(null,t.ownerDocument),t)},exports.toSvgDataURL=(e,t)=>"data:image/svg;base64,"+btoa(s(e,{xmlDeclaration:!0,...t})),exports.toSvgPath=i,exports.toSvgSource=s;
-//# sourceMappingURL=svg.js.map

build/index.js

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s=(t>>>1|2098176)&(3047517^(r?0:-1));return 2049&s&&++e,s})),e})(t)+(t=>{let e=0;for(let r=0;r<t.size;++r)for(let s=0;s<t.size;++s)e+=t.get(s,r);return 10*Math.floor(20*Math.abs(e/(t.size*t.size)-.5))})(t);const O=[],S=t=>{let e=O[t];if(!e){const r=new d({size:4*t+17});((t,e)=>{const r=4*e+17;I(t,3,3),I(t,r-4,3),I(t,3,r-4),M(t,0,7,9,9,0),M(t,7,0,9,7,0),M(t,r-8,7,r,9,0),M(t,r-8,0,r-7,7,0),M(t,7,r-8,9,r,0),M(t,0,r-8,7,r-7,0),t.set(8,r-8,1);for(let e=8;e<r-8;++e)t.set(e,6,!(1&e)),t.set(6,e,!(1&e));if(e>=2){const s=Math.floor(e/7)+1,n=2*Math.ceil((r-13)/s/2-.25),o=[6];for(let t=s;t-- >0;)o.push(r-7-t*n);for(let e=0;e<=s;++e)for(let r=0;r<=s;++r)!e&&!r||!e&&r===s||e===s&&!r||D(t,o[e],o[r])}if(e>=7)for(let s=e<<12|U(e,7973,13),n=0;n<6;++n)for(let e=12;e-- >9;s>>>=1)t.set(n,r-e,1&s),t.set(r-e,n,1&s)})(r,t),O[t]=e=[r,C(r)]}return[new 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-//# sourceMappingURL=index.js.map

package.json

 {
   "name": "lean-qr",
-  "version": "1.4.0",
+  "version": "1.5.0",
   "description": "minimal QR code generation",
@@ -14,5 +14,4 @@ "files": [
     ".": "./build/index.js",
-    "./extras/*": "./build/extras/*.js",
-    "./extras/*.js": "./build/extras/*.js",
-    "./package.json": "./package.json"
+    "./extras/svg": "./build/extras/svg.js",
+    "./extras/svg.js": "./build/extras/svg.js"
   },
@@ -24,3 +23,3 @@ "types": "index.d.ts",
     "start": "static-server --index index.html --port 8080",
-    "test": "lean-test && lean-test --browser=chrome,firefox -x '**/node_modules' -x '**/.*' -x '**/*.int.*' && ./test-package/run.sh && prettier --check ."
+    "test": "lean-test && lean-test --target=chrome,firefox -x '**/*.int.*' && ./test-package/run.sh && prettier --check ."
   },
@@ -45,5 +44,5 @@ "repository": {
     "@rollup/plugin-babel": "5.x",
-    "lean-test": "1.x",
+    "lean-test": "2.x",
     "pngjs": "6.x",
-    "prettier": "2.6.2",
+    "prettier": "2.7.1",
     "rollup": "2.x",
@@ -50,0 +49,0 @@ "rollup-plugin-terser": "7.x",

README.md

@@ -44,2 +44,14 @@ # Lean QR
 
+```html
+<canvas id="my-canvas" />
+
+<style>
+#my-canvas {
+  width: 100%;
+  image-rendering: crisp-edges; /* for firefox */
+  image-rendering: pixelated;
+}
+</style>
+```
+
 ### Shell
@@ -311,6 +323,7 @@
 
-This will replace the image in `myTargetCanvas` with a copy of the current
-code. The result is always at a scale of 1 pixel per module (the canvas
-will be resized to the correct size automatically). To display this image
-at a reasonable size, it is recommended that you use the following CSS:
+This will replace the image in `myTargetCanvas` (which must be a `canvas`
+element) with a copy of the current code. The result is always at a scale
+of 1 pixel per module (the canvas will be resized to the correct size
+automatically). To display this image at a reasonable size, it is
+recommended that you use the following CSS:
 
@@ -346,5 +359,32 @@ ```css
 
+`myContext` must be a 2D context (i.e. the result of calling
+`myCanvas.getContext('2d')`) on a canvas element.
+
 Note that until version 1.4.0, `toImageData` did not include padding. To get
 the same behaviour in 1.4.0+, set `padX` and `padY` to 0.
 
+### `toDataURL([options])`
+
+Returns a string which can be used as a `href`, e.g. for downloading;
+
+```javascript
+const url = code.toDataURL({
+  type: 'image/png',
+  on: [0x00, 0x00, 0x00, 0xFF],
+  off: [0x00, 0x00, 0x00, 0x00],
+  padX: 4,
+  padY: 4,
+  scale: 1,
+});
+
+// use with elements such as:
+// <a href="<url>" download="my-qr.png">Download</a>
+```
+
+This URL can also be used as an `img` source, but this is not recommended
+(for best results use `toCanvas` as shown above &mdash; this will avoid blurry
+edges on high resolution displays and if the user zooms in).
+
+Note that this is only available in-browser; it will fail if called in NodeJS.
+
 ### `toSvg(code, target[, options])`
@@ -370,6 +410,7 @@
 
-This will replace the image in `mySvg` with a copy of the current code. The
-result is always at a scale of 1 SVG unit per module (the viewBox will be
-resized to the correct size automatically). You can define a different
-size for the SVG element to scale the image.
+This will replace the image in `mySvg` (which must be an `svg` element)
+with a copy of the current code. The result is always at a scale of 1 SVG
+unit per module (the viewBox will be resized to the correct size
+automatically). You can define a different size for the SVG element to scale
+the image.
 
@@ -376,0 +417,0 @@ If `mySvg` is the `document` object, this will create and return a new SVG

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Number of lines in readme file

506

increased by8.82%

Worsened metrics

Total package byte prevSize

39397

decreased by-54.76%

Number of package files

8

decreased by-20%

Lines of code

441

decreased by-0.45%

No dependency changes