🚀 optimize svg with csso

packages/demo/demo.svg.ts

@@ -7,8 +7,11 @@ import { getPathToPose } from "@snk/compute/getPathToPose";
 
 const chain = getBestRoute(grid, snake);
 chain.push(...getPathToPose(chain.slice(-1)[0], snake)!);
-const svg = createSvg(grid, chain, drawOptions, { frameDuration: 200 });
 
-const container = document.createElement("div");
-container.innerHTML = svg;
-document.body.appendChild(container);
+(async () => {
+  const svg = await createSvg(grid, chain, drawOptions, { frameDuration: 200 });
+
+  const container = document.createElement("div");
+  container.innerHTML = svg;
+  document.body.appendChild(container);
+})();

packages/svg-creator/__tests__/createSvg.spec.ts

@@ -24,12 +24,12 @@ try {
 } catch (err) {}
 
 for (const [key, grid] of Object.entries(grids))
-  it(`should generate ${key} svg`, () => {
+  it(`should generate ${key} svg`, async () => {
     const chain = [snake, ...getBestRoute(grid, snake)!];
 
-    const gif = createSvg(grid, chain, drawOptions, gifOptions);
+    const svg = await createSvg(grid, chain, drawOptions, gifOptions);
 
-    expect(gif).toBeDefined();
+    expect(svg).toBeDefined();
 
-    fs.writeFileSync(path.resolve(dir, key + ".svg"), gif);
+    fs.writeFileSync(path.resolve(dir, key + ".svg"), svg);
   });

packages/svg-creator/index.ts

@@ -12,7 +12,8 @@ import type { Point } from "@snk/types/point";
 import { createSnake } from "./snake";
 import { createGrid } from "./grid";
 import { createStack } from "./stack";
-import { toAttribute } from "./utils";
+import { h } from "./utils";
+import csso from "csso";
 
 export type Options = {
   colorDots: Record<Color, string>;
@@ -99,14 +100,12 @@ export const createSvg = (
     .join("");
 
   const svg = [
-    `<svg 
-        ${toAttribute({
-          viewBox,
-          width,
-          height,
-          xmlns: "http://www.w3.org/2000/svg",
-        })}
-      >`,
+    h("svg", {
+      viewBox,
+      width,
+      height,
+      xmlns: "http://www.w3.org/2000/svg",
+    }).replace("/>", ">"),
 
     "<style>",
     optimizeCss(style),
@@ -120,5 +119,5 @@ export const createSvg = (
   return optimizeSvg(svg);
 };
 
-const optimizeCss = (css: string) => css;
+const optimizeCss = (css: string) => csso.minify(css).css;
 const optimizeSvg = (svg: string) => svg;

packages/svg-creator/package.json

@@ -2,6 +2,10 @@
   "name": "@snk/svg-creator",
   "version": "1.0.0",
   "dependencies": {
-    "@snk/compute": "1.0.0"
+    "@snk/compute": "1.0.0",
+    "csso": "4.1.0"
+  },
+  "devDependencies": {
+    "@types/csso": "3.5.1"
   }
 }

yarn.lock

@@ -596,6 +596,18 @@
   dependencies:
     "@types/node" "*"
 
+"@types/css-tree@*":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/@types/css-tree/-/css-tree-1.0.3.tgz#69112ebce09f582c9e0f32a46de2598930847cd7"
+  integrity sha512-ScS4V2j9vL6aMzCIPxJLGKqyslg8zEj+XkzUXCDMHbFftakwEl9WL6RBj3VBTH4O+EVwUM3umZTwu0ZedXyuaA==
+
+"@types/csso@3.5.1":
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/@types/csso/-/csso-3.5.1.tgz#f923bc919bfc89c1b5d149cff80d7bfb5e8e1e8d"
+  integrity sha512-NnALC1ZR5H4kg/9wUOa8/U2HOAwN4O71Av90HClgCteuwj6UHBEr37I0Cl10EY2gHd5p/JtsbY2r0WbOhYN+gw==
+  dependencies:
+    "@types/css-tree" "*"
+
 "@types/dat.gui@0.7.5":
   version "0.7.5"
   resolved "https://registry.yarnpkg.com/@types/dat.gui/-/dat.gui-0.7.5.tgz#8f4f87300ae553a57b246a7bf1b9fe5e13ca8b79"
@@ -1902,11 +1914,26 @@ css-select@^1.1.0:
     domutils "1.5.1"
     nth-check "~1.0.1"
 
+css-tree@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.0.0.tgz#21993fa270d742642a90409a2c0cb3ac0298adf6"
+  integrity sha512-CdVYz/Yuqw0VdKhXPBIgi8DO3NicJVYZNWeX9XcIuSp9ZoFT5IcleVRW07O5rMjdcx1mb+MEJPknTTEW7DdsYw==
+  dependencies:
+    mdn-data "2.0.12"
+    source-map "^0.6.1"
+
 css-what@2.1:
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.3.tgz#a6d7604573365fe74686c3f311c56513d88285f2"
   integrity sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==
 
+csso@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/csso/-/csso-4.1.0.tgz#1d31193efa99b87aa6bad6c0cef155e543d09e8b"
+  integrity sha512-h+6w/W1WqXaJA4tb1dk7r5tVbOm97MsKxzwnvOR04UQ6GILroryjMWu3pmCCtL2mLaEStQ0fZgeGiy99mo7iyg==
+  dependencies:
+    css-tree "^1.0.0"
+
 cssom@^0.4.4:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.4.4.tgz#5a66cf93d2d0b661d80bf6a44fb65f5c2e4e0a10"
@@ -4187,6 +4214,11 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
+mdn-data@2.0.12:
+  version "2.0.12"
+  resolved "https://registry.yarnpkg.com/mdn-data/-/mdn-data-2.0.12.tgz#bbb658d08b38f574bbb88f7b83703defdcc46844"
+  integrity sha512-ULbAlgzVb8IqZ0Hsxm6hHSlQl3Jckst2YEQS7fODu9ilNWy2LvcoSY7TRFIktABP2mdppBioc66va90T+NUs8Q==
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"