.

do a custom css optimization instead

.github/workflows/main.yml

@@ -18,25 +18,12 @@ jobs:
       - run: yarn lint
       - run: yarn test --ci
 
-  test-benchmark:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
-        with:
-          cache: yarn
-          node-version: 16
-      - run: yarn install --frozen-lockfile
-
-      - run: ( cd packages/gif-creator ; yarn benchmark )
-
   test-action:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
-      - name: update action.yml
+      - name: update action.yml to use image from local Dockerfile
         run: |
           sed -i "s/image: .*/image: Dockerfile/" action.yml
 
@@ -45,22 +32,63 @@ jobs:
         uses: ./
         with:
           github_user_name: platane
-          gif_out_path: dist/github-contribution-grid-snake.gif
-          svg_out_path: dist/github-contribution-grid-snake.svg
+          outputs: |
+            dist/github-contribution-grid-snake.svg
+            dist/github-contribution-grid-snake-dark.svg?palette=github-dark
+            dist/github-contribution-grid-snake.gif?color_snake=orange&color_dots=#bfd6f6,#8dbdff,#64a1f4,#4b91f1,#3c7dd9
 
       - name: ensure the generated file exists
         run: |
           ls dist
-          test -f ${{ steps.generate-snake.outputs.gif_out_path }}
-          test -f ${{ steps.generate-snake.outputs.svg_out_path }}
+          test -f dist/github-contribution-grid-snake.svg
+          test -f dist/github-contribution-grid-snake-dark.svg
+          test -f dist/github-contribution-grid-snake.gif
 
-      - uses: crazy-max/ghaction-github-pages@v2.5.0
+      - uses: crazy-max/ghaction-github-pages@v3.1.0
         with:
           target_branch: output
           build_dir: dist
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+  test-action-svg-only:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          cache: yarn
+          node-version: 16
+      - run: yarn install --frozen-lockfile
+
+      - name: build svg-only action
+        run: |
+          yarn build:action
+          rm -r svg-only/dist
+          mv packages/action/dist svg-only/dist
+
+      - name: generate-snake-game-from-github-contribution-grid
+        id: generate-snake
+        uses: ./svg-only
+        with:
+          github_user_name: platane
+          outputs: |
+            dist/github-contribution-grid-snake.svg
+            dist/github-contribution-grid-snake-dark.svg?palette=github-dark
+
+      - name: ensure the generated file exists
+        run: |
+          ls dist
+          test -f dist/github-contribution-grid-snake.svg
+          test -f dist/github-contribution-grid-snake-dark.svg
+
+      - uses: crazy-max/ghaction-github-pages@v3.1.0
+        with:
+          target_branch: output-svg-only
+          build_dir: dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
   deploy-ghpages:
     runs-on: ubuntu-latest
     steps:
@@ -76,7 +104,7 @@ jobs:
           GITHUB_USER_CONTRIBUTION_API_ENDPOINT: https://snk-one.vercel.app/api/github-user-contribution/
 
       - uses: crazy-max/ghaction-github-pages@v2.6.0
-        if: success() && github.ref == 'refs/heads/master'
+        if: success() && github.ref == 'refs/heads/main'
         with:
           target_branch: gh-pages
           build_dir: packages/demo/dist

.github/workflows/release.yml

@@ -4,22 +4,22 @@ on:
   workflow_dispatch:
     inputs:
       version:
-        description: "Version"
+        description: |
+          New version for the release
+          If the version is in format <major>.<minor>.<patch> a new release is emitted.
+          Otherwise for other format ( for example <major>.<minor>.<patch>-beta.1 ), a prerelease is emitted.
         default: "0.0.1"
         required: true
         type: string
       description:
         description: "Version description"
         type: string
-      prerelease:
-        description: "Prerelease"
-        default: false
-        required: true
-        type: boolean
 
 jobs:
   release:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
       - uses: actions/checkout@v2
 
@@ -54,22 +54,37 @@ jobs:
         run: |
           yarn install --frozen-lockfile
           yarn build:action
+          rm -r svg-only/dist
           mv packages/action/dist svg-only/dist
 
       - name: bump package version
         run: yarn version --no-git-tag-version --new-version ${{ github.event.inputs.version }}
 
-      - name: push new commit
-        uses: EndBug/add-and-commit@v7
-        with:
-          add: package.json svg-only/dist action.yml
-          message: 📦 ${{ github.event.inputs.version }}
-          tag: v${{ github.event.inputs.version }}
+      - name: push new build, tag version and push
+        id: push-tags
+        run: |
+          VERSION=${{ github.event.inputs.version }}
 
-      - uses: actions/create-release@v1
+          git config --global user.email "bot@platane.me"
+          git config --global user.name "release bot"
+          git add package.json svg-only/dist action.yml
+          git commit -m "📦 $VERSION"
+          git tag v$VERSION
+          git push origin main --tags
+
+          if [[ "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+            git tag v$( echo $VERSION | cut -d. -f 1-1 )
+            git tag v$( echo $VERSION | cut -d. -f 1-2 )
+            git push origin --tags --force
+            echo "prerelease=false" >> $GITHUB_OUTPUT
+          else 
+            echo "prerelease=true" >> $GITHUB_OUTPUT
+          fi
+
+      - uses: ncipollo/release-action@v1.11.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: v${{ github.event.inputs.version }}
+          tag: v${{ github.event.inputs.version }}
           body: ${{ github.event.inputs.description }}
-          prerelease: ${{ github.event.inputs.prerelease }}
+          prerelease: ${{ steps.push-tags.outputs.prerelease }}

Dockerfile

@@ -23,7 +23,7 @@ FROM node:16-slim
 WORKDIR /action-release
 
 RUN export YARN_CACHE_FOLDER="$(mktemp -d)" \
-    && yarn add canvas@2.9.1 gifsicle@5.3.0 --no-lockfile \
+    && yarn add canvas@2.10.2 gifsicle@5.3.0 --no-lockfile \
     && rm -r "$YARN_CACHE_FOLDER"
 
 COPY --from=builder /app/packages/action/dist/ /action-release/

README.md

@@ -1,5 +1,7 @@
 # snk
 
+[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/platane/platane/main.yml?label=action&style=flat-square)](https://github.com/Platane/Platane/actions/workflows/main.yml)
+[![GitHub release](https://img.shields.io/github/release/platane/snk.svg?style=flat-square)](https://github.com/platane/snk/releases/latest)
 [![GitHub marketplace](https://img.shields.io/badge/marketplace-snake-blue?logo=github&style=flat-square)](https://github.com/marketplace/actions/generate-snake-game-from-github-contribution-grid)
 ![type definitions](https://img.shields.io/npm/types/typescript?style=flat-square)
 ![code style](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)
@@ -13,31 +15,46 @@ Make it a snake Game, generate a snake path where the cells get eaten in an orde
 
 Generate a [gif](https://github.com/Platane/snk/raw/output/github-contribution-grid-snake.gif) or [svg](https://github.com/Platane/snk/raw/output/github-contribution-grid-snake.svg) image.
 
-Available as github action. Automatically generate a new image at the end of the day. Which makes for great [github profile readme](https://docs.github.com/en/free-pro-team@latest/github/setting-up-and-managing-your-github-profile/managing-your-profile-readme)
+Available as github action. It can automatically generate a new image each day. Which makes for great [github profile readme](https://docs.github.com/en/free-pro-team@latest/github/setting-up-and-managing-your-github-profile/managing-your-profile-readme)
 
 ## Usage
 
 **github action**
 
 ```yaml
-- uses: Platane/snk@v1
+- uses: Platane/snk@v2
   with:
     # github user name to read the contribution graph from (**required**)
     # using action context var `github.repository_owner` or specified user
     github_user_name: ${{ github.repository_owner }}
 
-    # path of the generated gif file
-    # If left empty, the gif file will not be generated
-    gif_out_path: dist/github-snake.gif
-
-    # path of the generated svg file
-    # If left empty, the svg file will not be generated
-    svg_out_path: dist/github-snake.svg
+    # list of files to generate.
+    # one file per line. Each output can be customized with options as query string.
+    #
+    #  supported options:
+    #  - palette:     A preset of color, one of [github, github-dark, github-light]
+    #  - color_snake: Color of the snake
+    #  - color_dots:  Coma separated list of dots color.
+    #                 The first one is 0 contribution, then it goes from the low contribution to the highest.
+    #                 Exactly 5 colors are expected.
+    outputs: |
+      dist/github-snake.svg
+      dist/github-snake-dark.svg?palette=github-dark
+      dist/ocean.gif?color_snake=orange&color_dots=#bfd6f6,#8dbdff,#64a1f4,#4b91f1,#3c7dd9
 ```
 
 [example with cron job](https://github.com/Platane/Platane/blob/master/.github/workflows/main.yml#L24-L29)
 
-If you are only interested in generating a svg, you can use this other faster action: `uses: Platane/snk/svg-only@v1`
+If you are only interested in generating a svg, consider using this faster action: `uses: Platane/snk/svg-only@v2`
+
+**dark mode**
+
+For **dark mode** support on github, use this [special syntax](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#specifying-the-theme-an-image-is-shown-to=) in your readme.
+
+```md
+![GitHub Snake Light](github-snake.svg#gh-light-mode-only)
+![GitHub Snake dark](github-snake-dark.svg#gh-dark-mode-only)
+```
 
 **interactive demo**
 

action.yml

@@ -4,23 +4,28 @@ author: "platane"
 
 runs:
   using: docker
-  image: docker://platane/snk@sha256:a96bf2d906152d53b795023087d4bac04f8665f7ab06a7ec1ca0a552bfabe7d2
+  image: docker://platane/snk@sha256:dcb351bdad223f2a2161fa5d6e3c9102e6ebe9fbde99a10fa3bf443d69f61a0f
 
 inputs:
   github_user_name:
     description: "github user name"
     required: true
-  gif_out_path:
-    description: "path of the generated gif file. If left empty, the gif file will not be generated."
-    required: false
-    default: null
-  svg_out_path:
-    description: "path of the generated svg file. If left empty, the svg file will not be generated."
+  outputs:
     required: false
     default: null
+    description: |
+      list of files to generate.
+      one file per line. Each output can be customized with options as query string.
 
-outputs:
-  gif_out_path:
-    description: "path of the generated gif"
-  svg_out_path:
-    description: "path of the generated svg"
+       supported query string options:
+
+      - palette:      A preset of color, one of [github, github-dark, github-light]
+      - color_snake:  Color of the snake
+      - color_dots:   Coma separated list of dots color. 
+                      The first one is 0 contribution, then it goes from the low contribution to the highest.
+                      Exactly 5 colors are expected.
+      example:
+        outputs: |
+          dark.svg?palette=github-dark&color_snake=blue
+          light.svg?color_snake=#7845ab
+          ocean.gif?color_snake=orange&color_dots=#bfd6f6,#8dbdff,#64a1f4,#4b91f1,#3c7dd9

jest.config.js

@@ -1,5 +0,0 @@
-module.exports = {
-  preset: "ts-jest",
-  testEnvironment: "node",
-  testMatch: ["**/__tests__/**/?(*.)+(spec|test).ts"],
-};

package.json

@@ -1,20 +1,30 @@
 {
   "name": "snk",
   "description": "Generates a snake game from a github user contributions grid",
-  "version": "1.1.0",
+  "version": "2.2.0",
   "private": true,
   "repository": "github:platane/snk",
   "devDependencies": {
-    "@types/jest": "27.4.1",
+    "@sucrase/jest-plugin": "3.0.0",
+    "@types/jest": "29.2.1",
     "@types/node": "16.11.7",
-    "jest": "27.5.1",
-    "prettier": "2.6.0",
-    "ts-jest": "27.1.3",
-    "typescript": "4.6.2"
+    "jest": "29.2.2",
+    "prettier": "2.7.1",
+    "sucrase": "3.28.0",
+    "typescript": "4.8.4"
   },
   "workspaces": [
     "packages/**"
   ],
+  "jest": {
+    "testEnvironment": "node",
+    "testMatch": [
+      "**/__tests__/**/?(*.)+(spec|test).ts"
+    ],
+    "transform": {
+      "\\.(ts|tsx)$": "@sucrase/jest-plugin"
+    }
+  },
   "scripts": {
     "type": "tsc --noEmit",
     "lint": "yarn prettier -c '**/*.{ts,js,json,md,yml,yaml}' '!packages/*/dist/**' '!svg-only/dist/**'",

packages/action/README.md

@@ -8,8 +8,6 @@ Contains the github action code.
 
 Because the gif generation requires some native libs, we cannot use a node.js action.
 
-Use a docker action instead, the image is created from the [Dockerfile](./Dockerfile).
+Use a docker action instead, the image is created from the [Dockerfile](../../Dockerfile).
 
 It's published to [dockerhub](https://hub.docker.com/r/platane/snk) which makes for faster build ( compare to building the image when the action runs )
-
-Notice that the [action.yml](../../action.yml) point to the latest version of the image. Which makes releasing sematic versioning of the action pointless. Which is probably fine for a wacky project like this one.

packages/action/__tests__/__snapshots__/.gitignore

@@ -1,2 +1,3 @@
 *
-!.gitignore
+!.gitignore
+!*.snap

packages/action/__tests__/__snapshots__/outputsOptions.spec.ts.snap

@@ -0,0 +1,205 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`should parse /out.svg       {"color_snake":"yellow"} 1`] = `
+{
+  "animationOptions": {
+    "frameDuration": 100,
+    "step": 1,
+  },
+  "drawOptions": {
+    "colorDotBorder": "#1b1f230a",
+    "colorDots": [
+      "#ebedf0",
+      "#9be9a8",
+      "#40c463",
+      "#30a14e",
+      "#216e39",
+    ],
+    "colorEmpty": "#ebedf0",
+    "colorSnake": "yellow",
+    "dark": {
+      "colorDotBorder": "#1b1f230a",
+      "colorDots": [
+        "#161b22",
+        "#01311f",
+        "#034525",
+        "#0f6d31",
+        "#00c647",
+      ],
+      "colorEmpty": "#161b22",
+      "colorSnake": "purple",
+    },
+    "sizeCell": 16,
+    "sizeDot": 12,
+    "sizeDotBorderRadius": 2,
+  },
+  "filename": "/out.svg",
+  "format": "svg",
+}
+`;
+
+exports[`should parse /out.svg?.gif.svg?color_snake=orange 1`] = `
+{
+  "animationOptions": {
+    "frameDuration": 100,
+    "step": 1,
+  },
+  "drawOptions": {
+    "colorDotBorder": "#1b1f230a",
+    "colorDots": [
+      "#ebedf0",
+      "#9be9a8",
+      "#40c463",
+      "#30a14e",
+      "#216e39",
+    ],
+    "colorEmpty": "#ebedf0",
+    "colorSnake": "orange",
+    "dark": {
+      "colorDotBorder": "#1b1f230a",
+      "colorDots": [
+        "#161b22",
+        "#01311f",
+        "#034525",
+        "#0f6d31",
+        "#00c647",
+      ],
+      "colorEmpty": "#161b22",
+      "colorSnake": "purple",
+    },
+    "sizeCell": 16,
+    "sizeDot": 12,
+    "sizeDotBorderRadius": 2,
+  },
+  "filename": "/out.svg?.gif.svg",
+  "format": "svg",
+}
+`;
+
+exports[`should parse /out.svg?{"color_snake":"yellow","color_dots":["#000","#111","#222","#333","#444"]} 1`] = `
+{
+  "animationOptions": {
+    "frameDuration": 100,
+    "step": 1,
+  },
+  "drawOptions": {
+    "colorDotBorder": "#1b1f230a",
+    "colorDots": [
+      "#000",
+      "#111",
+      "#222",
+      "#333",
+      "#444",
+    ],
+    "colorEmpty": "#000",
+    "colorSnake": "yellow",
+    "dark": undefined,
+    "sizeCell": 16,
+    "sizeDot": 12,
+    "sizeDotBorderRadius": 2,
+  },
+  "filename": "/out.svg",
+  "format": "svg",
+}
+`;
+
+exports[`should parse /out.svg?color_snake=orange&color_dots=#000,#111,#222,#333,#444 1`] = `
+{
+  "animationOptions": {
+    "frameDuration": 100,
+    "step": 1,
+  },
+  "drawOptions": {
+    "colorDotBorder": "#1b1f230a",
+    "colorDots": [
+      "#000",
+      "#111",
+      "#222",
+      "#333",
+      "#444",
+    ],
+    "colorEmpty": "#000",
+    "colorSnake": "orange",
+    "dark": undefined,
+    "sizeCell": 16,
+    "sizeDot": 12,
+    "sizeDotBorderRadius": 2,
+  },
+  "filename": "/out.svg",
+  "format": "svg",
+}
+`;
+
+exports[`should parse /out.svg?color_snake=orange&color_dots=#000,#111,#222,#333,#444&dark_color_dots=#a00,#a11,#a22,#a33,#a44 1`] = `
+{
+  "animationOptions": {
+    "frameDuration": 100,
+    "step": 1,
+  },
+  "drawOptions": {
+    "colorDotBorder": "#1b1f230a",
+    "colorDots": [
+      "#000",
+      "#111",
+      "#222",
+      "#333",
+      "#444",
+    ],
+    "colorEmpty": "#000",
+    "colorSnake": "orange",
+    "dark": {
+      "colorDots": [
+        "#a00",
+        "#a11",
+        "#a22",
+        "#a33",
+        "#a44",
+      ],
+      "colorEmpty": "#a00",
+    },
+    "sizeCell": 16,
+    "sizeDot": 12,
+    "sizeDotBorderRadius": 2,
+  },
+  "filename": "/out.svg",
+  "format": "svg",
+}
+`;
+
+exports[`should parse path/to/out.gif 1`] = `
+{
+  "animationOptions": {
+    "frameDuration": 100,
+    "step": 1,
+  },
+  "drawOptions": {
+    "colorDotBorder": "#1b1f230a",
+    "colorDots": [
+      "#ebedf0",
+      "#9be9a8",
+      "#40c463",
+      "#30a14e",
+      "#216e39",
+    ],
+    "colorEmpty": "#ebedf0",
+    "colorSnake": "purple",
+    "dark": {
+      "colorDotBorder": "#1b1f230a",
+      "colorDots": [
+        "#161b22",
+        "#01311f",
+        "#034525",
+        "#0f6d31",
+        "#00c647",
+      ],
+      "colorEmpty": "#161b22",
+      "colorSnake": "purple",
+    },
+    "sizeCell": 16,
+    "sizeDot": 12,
+    "sizeDotBorderRadius": 2,
+  },
+  "filename": "path/to/out.gif",
+  "format": "gif",
+}
+`;

packages/action/__tests__/dev.ts

@@ -1,19 +0,0 @@
-import * as fs from "fs";
-import * as path from "path";
-import { generateContributionSnake } from "../generateContributionSnake";
-
-(async () => {
-  const outputSvg = path.join(__dirname, "__snapshots__/out.svg");
-  const outputGif = path.join(__dirname, "__snapshots__/out.gif");
-
-  const buffer = await generateContributionSnake("platane", {
-    svg: true,
-    gif: true,
-  });
-
-  console.log("💾 writing to", outputSvg);
-  fs.writeFileSync(outputSvg, buffer.svg);
-
-  console.log("💾 writing to", outputGif);
-  fs.writeFileSync(outputGif, buffer.gif);
-})();

packages/action/__tests__/generateContributionSnake.spec.ts

@@ -1,6 +1,7 @@
 import * as fs from "fs";
 import * as path from "path";
 import { generateContributionSnake } from "../generateContributionSnake";
+import { parseOutputsOption } from "../outputsOptions";
 
 jest.setTimeout(2 * 60 * 1000);
 
@@ -17,22 +18,26 @@ const silent = (handler: () => void | Promise<void>) => async () => {
 it(
   "should generate contribution snake",
   silent(async () => {
-    const outputSvg = path.join(__dirname, "__snapshots__/out.svg");
-    const outputGif = path.join(__dirname, "__snapshots__/out.gif");
+    const entries = [
+      path.join(__dirname, "__snapshots__/out.svg"),
 
-    console.log = () => undefined;
-    const buffer = await generateContributionSnake("platane", {
-      svg: true,
-      gif: true,
-    });
+      path.join(__dirname, "__snapshots__/out-dark.svg") +
+        "?palette=github-dark&color_snake=orange",
 
-    expect(buffer.svg).toBeDefined();
-    expect(buffer.gif).toBeDefined();
+      path.join(__dirname, "__snapshots__/out.gif") +
+        "?color_snake=orange&color_dots=#d4e0f0,#8dbdff,#64a1f4,#4b91f1,#3c7dd9",
+    ];
 
-    console.log("💾 writing to", outputSvg);
-    fs.writeFileSync(outputSvg, buffer.svg);
+    const outputs = parseOutputsOption(entries);
 
-    console.log("💾 writing to", outputGif);
-    fs.writeFileSync(outputGif, buffer.gif);
+    const results = await generateContributionSnake("platane", outputs);
+
+    expect(results[0]).toBeDefined();
+    expect(results[1]).toBeDefined();
+    expect(results[2]).toBeDefined();
+
+    fs.writeFileSync(outputs[0]!.filename, results[0]!);
+    fs.writeFileSync(outputs[1]!.filename, results[1]!);
+    fs.writeFileSync(outputs[2]!.filename, results[2]!);
   })
 );

packages/action/__tests__/outputsOptions.spec.ts

@@ -0,0 +1,19 @@
+import { parseEntry } from "../outputsOptions";
+
+[
+  "path/to/out.gif",
+
+  "/out.svg?color_snake=orange&color_dots=#000,#111,#222,#333,#444",
+
+  `/out.svg?{"color_snake":"yellow","color_dots":["#000","#111","#222","#333","#444"]}`,
+
+  `/out.svg       {"color_snake":"yellow"}`,
+
+  "/out.svg?color_snake=orange&color_dots=#000,#111,#222,#333,#444&dark_color_dots=#a00,#a11,#a22,#a33,#a44",
+
+  "/out.svg?.gif.svg?color_snake=orange",
+].forEach((entry) =>
+  it(`should parse ${entry}`, () => {
+    expect(parseEntry(entry)).toMatchSnapshot();
+  })
+);

packages/action/generateContributionSnake.ts

@@ -3,51 +3,49 @@ import { userContributionToGrid } from "./userContributionToGrid";
 import { getBestRoute } from "@snk/solver/getBestRoute";
 import { snake4 } from "@snk/types/__fixtures__/snake";
 import { getPathToPose } from "@snk/solver/getPathToPose";
+import type { DrawOptions as DrawOptions } from "@snk/svg-creator";
+import type { AnimationOptions } from "@snk/gif-creator";
 
 export const generateContributionSnake = async (
   userName: string,
-  format: { svg?: boolean; gif?: boolean }
+  outputs: ({
+    format: "svg" | "gif";
+    drawOptions: DrawOptions;
+    animationOptions: AnimationOptions;
+  } | null)[]
 ) => {
   console.log("🎣 fetching github user contribution");
-  const { cells, colorScheme } = await getGithubUserContribution(userName);
+  const cells = await getGithubUserContribution(userName);
 
-  const grid = userContributionToGrid(cells, colorScheme);
+  const grid = userContributionToGrid(cells);
   const snake = snake4;
 
-  const drawOptions = {
-    sizeBorderRadius: 2,
-    sizeCell: 16,
-    sizeDot: 12,
-    colorBorder: "#1b1f230a",
-    colorDots: colorScheme as any,
-    colorEmpty: colorScheme[0],
-    colorSnake: "purple",
-    cells,
-    dark: {
-      colorEmpty: "#161b22",
-      colorDots: { 1: "#01311f", 2: "#034525", 3: "#0f6d31", 4: "#00c647" },
-    },
-  };
-
-  const gifOptions = { frameDuration: 100, step: 1 };
-
   console.log("📡 computing best route");
   const chain = getBestRoute(grid, snake)!;
   chain.push(...getPathToPose(chain.slice(-1)[0], snake)!);
 
-  const output: Record<string, Buffer | string> = {};
-
-  if (format.gif) {
-    console.log("📹 creating gif");
-    const { createGif } = await import("@snk/gif-creator");
-    output.gif = await createGif(grid, chain, drawOptions, gifOptions);
-  }
-
-  if (format.svg) {
-    console.log("🖌 creating svg");
-    const { createSvg } = await import("@snk/svg-creator");
-    output.svg = createSvg(grid, chain, drawOptions, gifOptions);
-  }
-
-  return output;
+  return Promise.all(
+    outputs.map(async (out, i) => {
+      if (!out) return;
+      const { format, drawOptions, animationOptions } = out;
+      switch (format) {
+        case "svg": {
+          console.log(`🖌 creating svg (outputs[${i}])`);
+          const { createSvg } = await import("@snk/svg-creator");
+          return createSvg(grid, cells, chain, drawOptions, animationOptions);
+        }
+        case "gif": {
+          console.log(`📹 creating gif (outputs[${i}])`);
+          const { createGif } = await import("@snk/gif-creator");
+          return await createGif(
+            grid,
+            cells,
+            chain,
+            drawOptions,
+            animationOptions
+          );
+        }
+      }
+    })
+  );
 };

packages/action/index.ts

@@ -1,31 +1,31 @@
 import * as fs from "fs";
 import * as path from "path";
 import * as core from "@actions/core";
-import { generateContributionSnake } from "./generateContributionSnake";
+import { parseOutputsOption } from "./outputsOptions";
 
 (async () => {
   try {
     const userName = core.getInput("github_user_name");
-    const format = {
-      svg: core.getInput("svg_out_path"),
-      gif: core.getInput("gif_out_path"),
-    };
-
-    const { svg, gif } = await generateContributionSnake(
-      userName,
-      format as any
+    const outputs = parseOutputsOption(
+      core.getMultilineInput("outputs") ?? [
+        core.getInput("gif_out_path"),
+        core.getInput("svg_out_path"),
+      ]
     );
 
-    if (svg) {
-      fs.mkdirSync(path.dirname(format.svg), { recursive: true });
-      fs.writeFileSync(format.svg, svg);
-      core.setOutput("svg_out_path", format.svg);
-    }
-    if (gif) {
-      fs.mkdirSync(path.dirname(format.gif), { recursive: true });
-      fs.writeFileSync(format.gif, gif);
-      core.setOutput("gif_out_path", format.gif);
-    }
+    const { generateContributionSnake } = await import(
+      "./generateContributionSnake"
+    );
+    const results = await generateContributionSnake(userName, outputs);
+
+    outputs.forEach((out, i) => {
+      const result = results[i];
+      if (out?.filename && result) {
+        console.log(`💾 writing to ${out?.filename}`);
+        fs.mkdirSync(path.dirname(out?.filename), { recursive: true });
+        fs.writeFileSync(out?.filename, result);
+      }
+    });
   } catch (e: any) {
     core.setFailed(`Action failed with "${e.message}"`);
   }

packages/action/outputsOptions.ts

@@ -0,0 +1,75 @@
+import type { AnimationOptions } from "@snk/gif-creator";
+import type { DrawOptions as DrawOptions } from "@snk/svg-creator";
+import { palettes } from "./palettes";
+
+export const parseOutputsOption = (lines: string[]) => lines.map(parseEntry);
+
+export const parseEntry = (entry: string) => {
+  const m = entry.trim().match(/^(.+\.(svg|gif))(\?(.*)|\s*({.*}))?$/);
+
+  if (!m) return null;
+
+  const [, filename, format, _, q1, q2] = m;
+
+  const query = q1 ?? q2;
+
+  let sp = new URLSearchParams(query || "");
+
+  try {
+    const o = JSON.parse(query);
+
+    if (Array.isArray(o.color_dots)) o.color_dots = o.color_dots.join(",");
+    if (Array.isArray(o.dark_color_dots))
+      o.dark_color_dots = o.dark_color_dots.join(",");
+
+    sp = new URLSearchParams(o);
+  } catch (err) {
+    if (!(err instanceof SyntaxError)) throw err;
+  }
+
+  const drawOptions: DrawOptions = {
+    sizeDotBorderRadius: 2,
+    sizeCell: 16,
+    sizeDot: 12,
+    ...palettes["default"],
+  };
+  const animationOptions: AnimationOptions = { step: 1, frameDuration: 100 };
+
+  {
+    const palette = palettes[sp.get("palette")!];
+    if (palette) {
+      Object.assign(drawOptions, palette);
+      drawOptions.dark = palette.dark && { ...palette.dark };
+    }
+  }
+
+  if (sp.has("color_snake")) drawOptions.colorSnake = sp.get("color_snake")!;
+  if (sp.has("color_dots")) {
+    const colors = sp.get("color_dots")!.split(/[,;]/);
+    drawOptions.colorDots = colors;
+    drawOptions.colorEmpty = colors[0];
+    drawOptions.dark = undefined;
+  }
+  if (sp.has("color_dot_border"))
+    drawOptions.colorDotBorder = sp.get("color_dot_border")!;
+
+  if (sp.has("dark_color_dots")) {
+    const colors = sp.get("dark_color_dots")!.split(/[,;]/);
+    drawOptions.dark = {
+      ...drawOptions.dark,
+      colorDots: colors,
+      colorEmpty: colors[0],
+    };
+  }
+  if (sp.has("dark_color_dot_border") && drawOptions.dark)
+    drawOptions.dark.colorDotBorder = sp.get("color_dot_border")!;
+  if (sp.has("dark_color_snake") && drawOptions.dark)
+    drawOptions.dark.colorSnake = sp.get("color_snake")!;
+
+  return {
+    filename,
+    format: format as "svg" | "gif",
+    drawOptions,
+    animationOptions,
+  };
+};

packages/action/package.json

@@ -2,7 +2,7 @@
   "name": "@snk/action",
   "version": "1.0.0",
   "dependencies": {
-    "@actions/core": "1.6.0",
+    "@actions/core": "1.10.0",
     "@snk/gif-creator": "1.0.0",
     "@snk/github-user-contribution": "1.0.0",
     "@snk/solver": "1.0.0",
@@ -10,11 +10,10 @@
     "@snk/types": "1.0.0"
   },
   "devDependencies": {
-    "@zeit/ncc": "0.22.3",
-    "ts-node": "10.7.0"
+    "@vercel/ncc": "0.34.0"
   },
   "scripts": {
     "build": "ncc build --external canvas --external gifsicle --out dist ./index.ts",
-    "dev": "ts-node __tests__/dev.ts"
+    "run:build": "INPUT_GITHUB_USER_NAME=platane INPUT_OUTPUTS='dist/out.svg' node dist/index.js"
   }
 }

packages/action/palettes.ts

@@ -0,0 +1,30 @@
+import { DrawOptions as DrawOptions } from "@snk/svg-creator";
+
+export const basePalettes: Record<
+  string,
+  Pick<
+    DrawOptions,
+    "colorDotBorder" | "colorEmpty" | "colorSnake" | "colorDots" | "dark"
+  >
+> = {
+  "github-light": {
+    colorDotBorder: "#1b1f230a",
+    colorDots: ["#ebedf0", "#9be9a8", "#40c463", "#30a14e", "#216e39"],
+    colorEmpty: "#ebedf0",
+    colorSnake: "purple",
+  },
+  "github-dark": {
+    colorDotBorder: "#1b1f230a",
+    colorEmpty: "#161b22",
+    colorDots: ["#161b22", "#01311f", "#034525", "#0f6d31", "#00c647"],
+    colorSnake: "purple",
+  },
+};
+
+// aliases
+export const palettes = { ...basePalettes };
+palettes["github"] = {
+  ...palettes["github-light"],
+  dark: { ...palettes["github-dark"] },
+};
+palettes["default"] = palettes["github"];

packages/action/userContributionToGrid.ts

@@ -2,17 +2,13 @@ import { setColor, createEmptyGrid, setColorEmpty } from "@snk/types/grid";
 import type { Cell } from "@snk/github-user-contribution";
 import type { Color } from "@snk/types/grid";
 
-export const userContributionToGrid = (
-  cells: Cell[],
-  colorScheme: string[]
-) => {
+export const userContributionToGrid = (cells: Cell[]) => {
   const width = Math.max(0, ...cells.map((c) => c.x)) + 1;
   const height = Math.max(0, ...cells.map((c) => c.y)) + 1;
 
   const grid = createEmptyGrid(width, height);
   for (const c of cells) {
-    const k = colorScheme.indexOf(c.color);
-    if (k > 0) setColor(grid, c.x, c.y, k as Color);
+    if (c.level > 0) setColor(grid, c.x, c.y, c.level as Color);
     else setColorEmpty(grid, c.x, c.y);
   }
 

packages/demo/canvas.ts

@@ -1,12 +1,13 @@
 import { Color, Grid } from "@snk/types/grid";
 import { drawLerpWorld, drawWorld } from "@snk/draw/drawWorld";
 import { Snake } from "@snk/types/snake";
+import type { DrawOptions as DrawOptions } from "@snk/svg-creator";
 
-export const drawOptions = {
-  sizeBorderRadius: 2,
+export const drawOptions: DrawOptions = {
+  sizeDotBorderRadius: 2,
   sizeCell: 16,
   sizeDot: 12,
-  colorBorder: "#1b1f230a",
+  colorDotBorder: "#1b1f230a",
   colorDots: {
     1: "#9be9a8",
     2: "#40c463",
@@ -67,7 +68,7 @@ export const createCanvas = ({
 
   const draw = (grid: Grid, snake: Snake, stack: Color[]) => {
     ctx.clearRect(0, 0, 9999, 9999);
-    drawWorld(ctx, grid, snake, stack, drawOptions);
+    drawWorld(ctx, grid, null, snake, stack, drawOptions);
   };
 
   const drawLerp = (
@@ -78,7 +79,7 @@ export const createCanvas = ({
     k: number
   ) => {
     ctx.clearRect(0, 0, 9999, 9999);
-    drawLerpWorld(ctx, grid, snake0, snake1, stack, k, drawOptions);
+    drawLerpWorld(ctx, grid, null, snake0, snake1, stack, k, drawOptions);
   };
 
   const highlightCell = (x: number, y: number, color = "orange") => {

packages/demo/demo.interactive.ts

@@ -1,18 +1,20 @@
-import { getBestRoute } from "@snk/solver/getBestRoute";
 import { Color, copyGrid, Grid } from "@snk/types/grid";
 import { step } from "@snk/solver/step";
 import { isStableAndBound, stepSpring } from "./springUtils";
-import { Res } from "@snk/github-user-contribution";
-import { Snake } from "@snk/types/snake";
+import type { Res } from "@snk/github-user-contribution";
+import type { Snake } from "@snk/types/snake";
+import type { Point } from "@snk/types/point";
 import {
   drawLerpWorld,
   getCanvasWorldSize,
-  Options,
+  Options as DrawOptions,
 } from "@snk/draw/drawWorld";
-import { userContributionToGrid } from "../action/userContributionToGrid";
-import { snake4 as snake } from "@snk/types/__fixtures__/snake";
-import { getPathToPose } from "@snk/solver/getPathToPose";
-import { createSvg } from "../svg-creator";
+import { userContributionToGrid } from "@snk/action/userContributionToGrid";
+import { createSvg } from "@snk/svg-creator";
+import { createRpcClient } from "./worker-utils";
+import type { API as WorkerAPI } from "./demo.interactive.worker";
+import { AnimationOptions } from "@snk/gif-creator";
+import { basePalettes } from "@snk/action/palettes";
 
 const createForm = ({
   onSubmit,
@@ -47,15 +49,24 @@ const createForm = ({
 
   form.addEventListener("submit", (event) => {
     event.preventDefault();
-    onSubmit(input.value).catch((err) => {
-      label.innerText = "error :(";
-      throw err;
-    });
+
+    onSubmit(input.value)
+      .finally(() => {
+        clearTimeout(timeout);
+      })
+      .catch((err) => {
+        label.innerText = "error :(";
+        throw err;
+      });
 
     input.disabled = true;
     submit.disabled = true;
     form.appendChild(label);
     label.innerText = "loading ...";
+
+    const timeout = setTimeout(() => {
+      label.innerText = "loading ( it might take a while ) ... ";
+    }, 5000);
   });
 
   //
@@ -75,6 +86,7 @@ const createGithubProfile = () => {
   container.style.opacity = "0";
   container.style.display = "flex";
   container.style.flexDirection = "column";
+  container.style.height = "120px";
   container.style.alignItems = "flex-start";
   const image = document.createElement("img");
   image.style.width = "100px";
@@ -107,12 +119,19 @@ const createGithubProfile = () => {
 const createViewer = ({
   grid0,
   chain,
-  drawOptions,
+  cells,
 }: {
   grid0: Grid;
   chain: Snake[];
-  drawOptions: Options;
+  cells: Point[];
 }) => {
+  const drawOptions: DrawOptions = {
+    sizeDotBorderRadius: 2,
+    sizeCell: 16,
+    sizeDot: 12,
+    ...basePalettes["github-light"],
+  };
+
   //
   // canvas
   const canvas = document.createElement("canvas");
@@ -150,7 +169,7 @@ const createViewer = ({
     const k = spring.x % 1;
 
     ctx.clearRect(0, 0, 9999, 9999);
-    drawLerpWorld(ctx, grid, snake0, snake1, stack, k, drawOptions);
+    drawLerpWorld(ctx, grid, cells, snake0, snake1, stack, k, drawOptions);
 
     if (!stable) animationFrame = requestAnimationFrame(loop);
   };
@@ -158,12 +177,12 @@ const createViewer = ({
 
   //
   // controls
-  const input = document.createElement("input") as any;
+  const input = document.createElement("input");
   input.type = "range";
-  input.value = 0;
-  input.step = 1;
-  input.min = 0;
-  input.max = chain.length;
+  input.value = "0";
+  input.step = "1";
+  input.min = "0";
+  input.max = "" + chain.length;
   input.style.width = "calc( 100% - 20px )";
   input.addEventListener("input", () => {
     spring.target = +input.value;
@@ -177,12 +196,51 @@ const createViewer = ({
   window.addEventListener("click", onClickBackground);
   document.body.append(input);
 
+  //
+  const schemaSelect = document.createElement("select");
+  schemaSelect.style.margin = "10px";
+  schemaSelect.style.alignSelf = "flex-start";
+  schemaSelect.value = "github-light";
+  schemaSelect.addEventListener("change", () => {
+    Object.assign(drawOptions, basePalettes[schemaSelect.value]);
+
+    svgString = createSvg(grid0, cells, chain, drawOptions, {
+      frameDuration: 100,
+    } as AnimationOptions);
+    const svgImageUri = `data:image/*;charset=utf-8;base64,${btoa(svgString)}`;
+    svgLink.href = svgImageUri;
+
+    if (schemaSelect.value.includes("dark"))
+      document.body.parentElement?.classList.add("dark-mode");
+    else document.body.parentElement?.classList.remove("dark-mode");
+
+    loop();
+  });
+  for (const name of Object.keys(basePalettes)) {
+    const option = document.createElement("option");
+    option.value = name;
+    option.innerText = name;
+    schemaSelect.appendChild(option);
+  }
+  document.body.append(schemaSelect);
+
+  //
+  // dark mode
+  const style = document.createElement("style");
+  style.innerText = `
+  html { transition:background-color 180ms }
+  a { transition:color 180ms }
+  html.dark-mode{ background-color:#0d1117 }
+  html.dark-mode a{ color:rgb(201, 209, 217) }
+  `;
+  document.head.append(style);
+
   //
   // svg
   const svgLink = document.createElement("a");
-  const svgString = createSvg(grid0, chain, drawOptions, {
+  let svgString = createSvg(grid0, cells, chain, drawOptions, {
     frameDuration: 100,
-  });
+  } as AnimationOptions);
   const svgImageUri = `data:image/*;charset=utf-8;base64,${btoa(svgString)}`;
   svgLink.href = svgImageUri;
   svgLink.innerText = "github-user-contribution.svg";
@@ -190,7 +248,10 @@ const createViewer = ({
   svgLink.addEventListener("click", (e) => {
     const w = window.open("")!;
     w.document.write(
-      `<a href="${svgImageUri}" download="github-user-contribution.svg">` +
+      (document.body.parentElement?.classList.contains("dark-mode")
+        ? "<style>html{ background-color:#0d1117 }</style>"
+        : "") +
+        `<a href="${svgLink.href}" download="github-user-contribution.svg">` +
         svgString +
         "<a/>"
     );
@@ -218,27 +279,27 @@ const onSubmit = async (userName: string) => {
   const res = await fetch(
     process.env.GITHUB_USER_CONTRIBUTION_API_ENDPOINT + userName
   );
-  const { cells, colorScheme } = (await res.json()) as Res;
+  const cells = (await res.json()) as Res;
 
-  const drawOptions = {
-    sizeBorderRadius: 2,
-    sizeCell: 16,
-    sizeDot: 12,
-    colorBorder: "#1b1f230a",
-    colorDots: colorScheme as any,
-    colorEmpty: colorScheme[0],
-    colorSnake: "purple",
-    cells,
-  };
+  const grid = userContributionToGrid(cells);
+
+  const chain = await getChain(grid);
 
-  const grid = userContributionToGrid(cells, colorScheme);
-  const chain = getBestRoute(grid, snake)!;
-  chain.push(...getPathToPose(chain.slice(-1)[0], snake)!);
   dispose();
 
-  createViewer({ grid0: grid, chain, drawOptions });
+  createViewer({ grid0: grid, chain, cells });
 };
 
+const worker = new Worker(
+  new URL(
+    "./demo.interactive.worker.ts",
+    // @ts-ignore
+    import.meta.url
+  )
+);
+
+const { getChain } = createRpcClient<WorkerAPI>(worker);
+
 const profile = createGithubProfile();
 const { dispose } = createForm({
   onSubmit,

packages/demo/demo.interactive.worker.ts

@@ -0,0 +1,17 @@
+import { getBestRoute } from "@snk/solver/getBestRoute";
+import { getPathToPose } from "@snk/solver/getPathToPose";
+import { snake4 as snake } from "@snk/types/__fixtures__/snake";
+import type { Grid } from "@snk/types/grid";
+import { createRpcServer } from "./worker-utils";
+
+const getChain = (grid: Grid) => {
+  const chain = getBestRoute(grid, snake)!;
+  chain.push(...getPathToPose(chain.slice(-1)[0], snake)!);
+
+  return chain;
+};
+
+const api = { getChain };
+export type API = typeof api;
+
+createRpcServer(api);

packages/demo/demo.svg.ts

@@ -1,15 +1,18 @@
 import "./menu";
 import { getBestRoute } from "@snk/solver/getBestRoute";
-import { createSvg } from "../svg-creator";
+import { createSvg } from "@snk/svg-creator";
 import { grid, snake } from "./sample";
 import { drawOptions } from "./canvas";
 import { getPathToPose } from "@snk/solver/getPathToPose";
+import type { AnimationOptions } from "@snk/gif-creator";
 
 const chain = getBestRoute(grid, snake);
 chain.push(...getPathToPose(chain.slice(-1)[0], snake)!);
 
 (async () => {
-  const svg = await createSvg(grid, chain, drawOptions, { frameDuration: 200 });
+  const svg = await createSvg(grid, null, chain, drawOptions, {
+    frameDuration: 200,
+  } as AnimationOptions);
 
   const container = document.createElement("div");
   container.innerHTML = svg;

packages/demo/package.json

@@ -2,20 +2,22 @@
   "name": "@snk/demo",
   "version": "1.0.0",
   "dependencies": {
+    "@snk/action": "1.0.0",
     "@snk/draw": "1.0.0",
+    "@snk/github-user-contribution": "1.0.0",
     "@snk/solver": "1.0.0",
-    "canvas": "2.9.1",
-    "gifsicle": "5.3.0"
+    "@snk/svg-creator": "1.0.0",
+    "@snk/types": "1.0.0"
   },
   "devDependencies": {
     "@types/dat.gui": "0.7.7",
-    "dat.gui": "0.7.7",
+    "dat.gui": "0.7.9",
     "html-webpack-plugin": "5.5.0",
-    "ts-loader": "9.2.6",
-    "ts-node": "10.7.0",
-    "webpack": "5.70.0",
-    "webpack-cli": "4.9.2",
-    "webpack-dev-server": "4.7.4"
+    "ts-loader": "9.4.1",
+    "ts-node": "10.9.1",
+    "webpack": "5.74.0",
+    "webpack-cli": "4.10.0",
+    "webpack-dev-server": "4.11.1"
   },
   "scripts": {
     "build": "webpack",

packages/demo/worker-utils.ts

@@ -0,0 +1,59 @@
+type API = Record<string, (...args: any[]) => any>;
+
+const symbol = "worker-rpc__";
+
+export const createRpcServer = (api: API) =>
+  self.addEventListener("message", async (event) => {
+    if (event.data?.symbol === symbol) {
+      try {
+        const res = await api[event.data.methodName](...event.data.args);
+        self.postMessage({ symbol, key: event.data.key, res });
+      } catch (error: any) {
+        postMessage({ symbol, key: event.data.key, error: error.message });
+      }
+    }
+  });
+
+export const createRpcClient = <API_ extends API>(worker: Worker) => {
+  const originalTerminate = worker.terminate;
+  worker.terminate = () => {
+    worker.dispatchEvent(new Event("terminate"));
+    originalTerminate.call(worker);
+  };
+
+  return new Proxy(
+    {} as {
+      [K in keyof API_]: (
+        ...args: Parameters<API_[K]>
+      ) => Promise<Awaited<ReturnType<API_[K]>>>;
+    },
+    {
+      get:
+        (_, methodName) =>
+        (...args: any[]) =>
+          new Promise((resolve, reject) => {
+            const key = Math.random().toString();
+
+            const onTerminate = () => {
+              worker.removeEventListener("terminate", onTerminate);
+              worker.removeEventListener("message", onMessageHandler);
+              reject(new Error("worker terminated"));
+            };
+
+            const onMessageHandler = (event: MessageEvent) => {
+              if (event.data?.symbol === symbol && event.data.key === key) {
+                if (event.data.error) reject(event.data.error);
+                else if (event.data.res) resolve(event.data.res);
+
+                worker.removeEventListener("terminate", onTerminate);
+                worker.removeEventListener("message", onMessageHandler);
+              }
+            };
+
+            worker.addEventListener("message", onMessageHandler);
+            worker.addEventListener("terminate", onTerminate);
+            worker.postMessage({ symbol, key, methodName, args });
+          }),
+    }
+  );
+};

packages/draw/drawGrid.ts

@@ -6,21 +6,21 @@ import type { Point } from "@snk/types/point";
 type Options = {
   colorDots: Record<Color, string>;
   colorEmpty: string;
-  colorBorder: string;
+  colorDotBorder: string;
   sizeCell: number;
   sizeDot: number;
-  sizeBorderRadius: number;
-  cells?: Point[];
+  sizeDotBorderRadius: number;
 };
 
 export const drawGrid = (
   ctx: CanvasRenderingContext2D,
   grid: Grid,
+  cells: Point[] | null,
   o: Options
 ) => {
   for (let x = grid.width; x--; )
     for (let y = grid.height; y--; ) {
-      if (!o.cells || o.cells.some((c) => c.x === x && c.y === y)) {
+      if (!cells || cells.some((c) => c.x === x && c.y === y)) {
         const c = getColor(grid, x, y);
         // @ts-ignore
         const color = !c ? o.colorEmpty : o.colorDots[c];
@@ -31,11 +31,11 @@ export const drawGrid = (
         );
 
         ctx.fillStyle = color;
-        ctx.strokeStyle = o.colorBorder;
+        ctx.strokeStyle = o.colorDotBorder;
         ctx.lineWidth = 1;
         ctx.beginPath();
 
-        pathRoundedRect(ctx, o.sizeDot, o.sizeDot, o.sizeBorderRadius);
+        pathRoundedRect(ctx, o.sizeDot, o.sizeDot, o.sizeDotBorderRadius);
 
         ctx.fill();
         ctx.stroke();

packages/draw/drawWorld.ts

@@ -1,18 +1,17 @@
 import { drawGrid } from "./drawGrid";
 import { drawSnake, drawSnakeLerp } from "./drawSnake";
 import type { Grid, Color } from "@snk/types/grid";
-import type { Point } from "@snk/types/point";
 import type { Snake } from "@snk/types/snake";
+import type { Point } from "@snk/types/point";
 
 export type Options = {
   colorDots: Record<Color, string>;
   colorEmpty: string;
-  colorBorder: string;
+  colorDotBorder: string;
   colorSnake: string;
   sizeCell: number;
   sizeDot: number;
-  sizeBorderRadius: number;
-  cells?: Point[];
+  sizeDotBorderRadius: number;
 };
 
 export const drawStack = (
@@ -37,6 +36,7 @@ export const drawStack = (
 export const drawWorld = (
   ctx: CanvasRenderingContext2D,
   grid: Grid,
+  cells: Point[] | null,
   snake: Snake,
   stack: Color[],
   o: Options
@@ -44,7 +44,7 @@ export const drawWorld = (
   ctx.save();
 
   ctx.translate(1 * o.sizeCell, 2 * o.sizeCell);
-  drawGrid(ctx, grid, o);
+  drawGrid(ctx, grid, cells, o);
   drawSnake(ctx, snake, o);
 
   ctx.restore();
@@ -68,6 +68,7 @@ export const drawWorld = (
 export const drawLerpWorld = (
   ctx: CanvasRenderingContext2D,
   grid: Grid,
+  cells: Point[] | null,
   snake0: Snake,
   snake1: Snake,
   stack: Color[],
@@ -77,7 +78,7 @@ export const drawLerpWorld = (
   ctx.save();
 
   ctx.translate(1 * o.sizeCell, 2 * o.sizeCell);
-  drawGrid(ctx, grid, o);
+  drawGrid(ctx, grid, cells, o);
   drawSnakeLerp(ctx, snake0, snake1, k, o);
 
   ctx.translate(0, (grid.height + 2) * o.sizeCell);

packages/gif-creator/__tests__/benchmark.ts

@@ -2,9 +2,10 @@ import * as fs from "fs";
 import { performance } from "perf_hooks";
 import { createSnakeFromCells } from "@snk/types/snake";
 import { realistic as grid } from "@snk/types/__fixtures__/grid";
-import { createGif } from "..";
+import { AnimationOptions, createGif } from "..";
 import { getBestRoute } from "@snk/solver/getBestRoute";
 import { getPathToPose } from "@snk/solver/getPathToPose";
+import type { Options as DrawOptions } from "@snk/draw/drawWorld";
 
 let snake = createSnakeFromCells(
   Array.from({ length: 4 }, (_, i) => ({ x: i, y: -1 }))
@@ -24,17 +25,17 @@ let snake = createSnakeFromCells(
 const chain = getBestRoute(grid, snake)!;
 chain.push(...getPathToPose(chain.slice(-1)[0], snake)!);
 
-const drawOptions = {
-  sizeBorderRadius: 2,
+const drawOptions: DrawOptions = {
+  sizeDotBorderRadius: 2,
   sizeCell: 16,
   sizeDot: 12,
-  colorBorder: "#1b1f230a",
+  colorDotBorder: "#1b1f230a",
   colorDots: { 1: "#9be9a8", 2: "#40c463", 3: "#30a14e", 4: "#216e39" },
   colorEmpty: "#ebedf0",
   colorSnake: "purple",
 };
 
-const gifOptions = { frameDuration: 100, step: 1 };
+const animationOptions: AnimationOptions = { frameDuration: 100, step: 1 };
 
 (async () => {
   for (
@@ -49,7 +50,13 @@ const gifOptions = { frameDuration: 100, step: 1 };
     const chainL = chain.slice(0, length);
     for (let k = 0; k < 10 && (Date.now() - start < 10 * 1000 || k < 2); k++) {
       const s = performance.now();
-      buffer = await createGif(grid, chainL, drawOptions, gifOptions);
+      buffer = await createGif(
+        grid,
+        null,
+        chainL,
+        drawOptions,
+        animationOptions
+      );
       stats.push(performance.now() - s);
     }
 

packages/gif-creator/__tests__/createGif.spec.ts

@@ -1,25 +1,26 @@
 import * as fs from "fs";
 import * as path from "path";
-import { createGif } from "..";
+import { AnimationOptions, createGif } from "..";
 import * as grids from "@snk/types/__fixtures__/grid";
 import { snake3 as snake } from "@snk/types/__fixtures__/snake";
 import { createSnakeFromCells, nextSnake } from "@snk/types/snake";
 import { getBestRoute } from "@snk/solver/getBestRoute";
+import type { Options as DrawOptions } from "@snk/draw/drawWorld";
 
 jest.setTimeout(20 * 1000);
 
 const upscale = 1;
-const drawOptions = {
-  sizeBorderRadius: 2 * upscale,
+const drawOptions: DrawOptions = {
+  sizeDotBorderRadius: 2 * upscale,
   sizeCell: 16 * upscale,
   sizeDot: 12 * upscale,
-  colorBorder: "#1b1f230a",
+  colorDotBorder: "#1b1f230a",
   colorDots: { 1: "#9be9a8", 2: "#40c463", 3: "#30a14e", 4: "#216e39" },
   colorEmpty: "#ebedf0",
   colorSnake: "purple",
 };
 
-const gifOptions = { frameDuration: 200, step: 1 };
+const animationOptions: AnimationOptions = { frameDuration: 200, step: 1 };
 
 const dir = path.resolve(__dirname, "__snapshots__");
 
@@ -39,7 +40,13 @@ for (const key of [
 
     const chain = [snake, ...getBestRoute(grid, snake)!];
 
-    const gif = await createGif(grid, chain, drawOptions, gifOptions);
+    const gif = await createGif(
+      grid,
+      null,
+      chain,
+      drawOptions,
+      animationOptions
+    );
 
     expect(gif).toBeDefined();
 
@@ -63,7 +70,7 @@ it(`should generate swipper`, async () => {
     }
   }
 
-  const gif = await createGif(grid, chain, drawOptions, gifOptions);
+  const gif = await createGif(grid, null, chain, drawOptions, animationOptions);
 
   expect(gif).toBeDefined();
 

packages/gif-creator/index.ts

@@ -5,10 +5,11 @@ import { createCanvas } from "canvas";
 import { Grid, copyGrid, Color } from "@snk/types/grid";
 import { Snake } from "@snk/types/snake";
 import {
-  Options,
+  Options as DrawOptions,
   drawLerpWorld,
   getCanvasWorldSize,
 } from "@snk/draw/drawWorld";
+import type { Point } from "@snk/types/point";
 import { step } from "@snk/solver/step";
 import tmp from "tmp";
 import gifsicle from "gifsicle";
@@ -29,11 +30,14 @@ const withTmpDir = async <T>(
   }
 };
 
+export type AnimationOptions = { frameDuration: number; step: number };
+
 export const createGif = async (
   grid0: Grid,
+  cells: Point[] | null,
   chain: Snake[],
-  drawOptions: Options,
-  gifOptions: { frameDuration: number; step: number }
+  drawOptions: DrawOptions,
+  animationOptions: AnimationOptions
 ) =>
   withTmpDir(async (dir) => {
     const { width, height } = getCanvasWorldSize(grid0, drawOptions);
@@ -46,7 +50,7 @@ export const createGif = async (
 
     const encoder = new GIFEncoder(width, height, "neuquant", true);
     encoder.setRepeat(0);
-    encoder.setDelay(gifOptions.frameDuration);
+    encoder.setDelay(animationOptions.frameDuration);
     encoder.start();
 
     for (let i = 0; i < chain.length; i += 1) {
@@ -54,17 +58,18 @@ export const createGif = async (
       const snake1 = chain[Math.min(chain.length - 1, i + 1)];
       step(grid, stack, snake0);
 
-      for (let k = 0; k < gifOptions.step; k++) {
+      for (let k = 0; k < animationOptions.step; k++) {
         ctx.clearRect(0, 0, width, height);
         ctx.fillStyle = "#fff";
         ctx.fillRect(0, 0, width, height);
         drawLerpWorld(
           ctx,
           grid,
+          cells,
           snake0,
           snake1,
           stack,
-          k / gifOptions.step,
+          k / animationOptions.step,
           drawOptions
         );
 

packages/gif-creator/package.json

@@ -4,7 +4,7 @@
   "dependencies": {
     "@snk/draw": "1.0.0",
     "@snk/solver": "1.0.0",
-    "canvas": "2.9.1",
+    "canvas": "2.10.2",
     "gif-encoder-2": "1.0.5",
     "gifsicle": "5.3.0",
     "tmp": "0.2.1"
@@ -12,7 +12,7 @@
   "devDependencies": {
     "@types/gifsicle": "5.2.0",
     "@types/tmp": "0.2.3",
-    "@zeit/ncc": "0.22.3"
+    "@vercel/ncc": "0.34.0"
   },
   "scripts": {
     "benchmark": "ncc run __tests__/benchmark.ts --quiet"

packages/github-user-contribution-service/api/github-user-contribution/[userName].ts

@@ -1,7 +1,7 @@
 import { getGithubUserContribution } from "@snk/github-user-contribution";
-import { NowRequest, NowResponse } from "@vercel/node";
+import { VercelRequest, VercelResponse } from "@vercel/node";
 
-export default async (req: NowRequest, res: NowResponse) => {
+export default async (req: VercelRequest, res: VercelResponse) => {
   const { userName } = req.query;
 
   try {

packages/github-user-contribution-service/package.json

@@ -3,6 +3,6 @@
   "version": "1.0.0",
   "dependencies": {
     "@snk/github-user-contribution": "1.0.0",
-    "@vercel/node": "1.14.0"
+    "@vercel/node": "2.6.1"
   }
 }

packages/github-user-contribution/__tests__/getGithubUserContribution.spec.ts

@@ -7,47 +7,28 @@ describe("getGithubUserContribution", () => {
     await promise;
   });
 
-  it("should get colorScheme", async () => {
-    const { colorScheme } = await promise;
-
-    expect(colorScheme).toEqual([
-      "#ebedf0",
-      "#9be9a8",
-      "#40c463",
-      "#30a14e",
-      "#216e39",
-    ]);
-  });
-
   it("should get around 365 cells", async () => {
-    const { cells } = await promise;
+    const cells = await promise;
 
     expect(cells.length).toBeGreaterThanOrEqual(365);
     expect(cells.length).toBeLessThanOrEqual(365 + 7);
   });
 
   it("cells should have x / y coords representing to a 7 x (365/7) (minus unfilled last row)", async () => {
-    const { cells, colorScheme } = await promise;
+    const cells = await promise;
 
     expect(cells.length).toBeGreaterThan(300);
-    expect(colorScheme).toEqual([
-      "#ebedf0",
-      "#9be9a8",
-      "#40c463",
-      "#30a14e",
-      "#216e39",
-    ]);
 
     const undefinedDays = Array.from({ length: Math.floor(365 / 7) })
       .map((x) => Array.from({ length: 7 }).map((y) => ({ x, y })))
       .flat()
-      .filter(({ x, y }) => cells.some((c) => c.x === x && c.y === y));
+      .filter(({ x, y }) => cells.some((c: any) => c.x === x && c.y === y));
 
     expect(undefinedDays).toEqual([]);
   });
 });
 
-it("should match snapshot for year=2019", async () => {
+xit("should match snapshot for year=2019", async () => {
   expect(
     await getGithubUserContribution("platane", { year: 2019 })
   ).toMatchSnapshot();

packages/github-user-contribution/index.ts

@@ -1,5 +1,4 @@
 import fetch from "node-fetch";
-import * as cheerio from "cheerio";
 import { formatParams, Options } from "./formatParams";
 
 /**
@@ -39,93 +38,44 @@ export const getGithubUserContribution = async (
   return parseUserPage(resText);
 };
 
-const defaultColorScheme = [
-  "#ebedf0",
-  "#9be9a8",
-  "#40c463",
-  "#30a14e",
-  "#216e39",
-];
-
 const parseUserPage = (content: string) => {
-  const $ = cheerio.load(content);
+  // take roughly the svg block
+  const block = content
+    .split(`class="js-calendar-graph-svg"`)[1]
+    .split("</svg>")[0];
 
-  //
-  // "parse" colorScheme
-  const colorScheme = [...defaultColorScheme];
+  let x = 0;
+  let lastYAttribute = 0;
 
-  //
-  // parse cells
-  const rawCells = $(".js-calendar-graph rect[data-count]")
-    .toArray()
-    .map((x) => {
-      const level = +x.attribs["data-level"];
-      const count = +x.attribs["data-count"];
-      const date = x.attribs["data-date"];
+  const rects = Array.from(block.matchAll(/<rect[^>]*>[^<]*<\/rect>/g)).map(
+    ([m]) => {
+      const date = m.match(/data-date="([^"]+)"/)![1];
+      const level = +m.match(/data-level="([^"]+)"/)![1];
+      const yAttribute = +m.match(/y="([^"]+)"/)![1];
 
-      const color = colorScheme[level];
+      const literalCount = m.match(/(No|\d+) contributions? on/)![1];
+      const count = literalCount === "No" ? 0 : +literalCount;
 
-      if (!color) throw new Error("could not determine the color of the cell");
+      if (lastYAttribute > yAttribute) x++;
 
-      return {
-        svgPosition: getSvgPosition(x),
-        color,
-        count,
-        date,
-      };
-    });
+      lastYAttribute = yAttribute;
 
-  const xMap: Record<number, true> = {};
-  const yMap: Record<number, true> = {};
-  rawCells.forEach(({ svgPosition: { x, y } }) => {
-    xMap[x] = true;
-    yMap[y] = true;
-  });
+      return { date, count, level, x, yAttribute };
+    }
+  );
 
-  const xRange = Object.keys(xMap)
-    .map((x) => +x)
-    .sort((a, b) => +a - +b);
-  const yRange = Object.keys(yMap)
-    .map((x) => +x)
-    .sort((a, b) => +a - +b);
+  const yAttributes = Array.from(
+    new Set(rects.map((c) => c.yAttribute)).keys()
+  ).sort();
 
-  const cells = rawCells.map(({ svgPosition, ...c }) => ({
+  const cells = rects.map(({ yAttribute, ...c }) => ({
+    y: yAttributes.indexOf(yAttribute),
     ...c,
-    x: xRange.indexOf(svgPosition.x),
-    y: yRange.indexOf(svgPosition.y),
   }));
 
-  return { cells, colorScheme };
+  return cells;
 };
 
-// returns the position of the svg elements, accounting for it's transform and it's parent transform
-// ( only accounts for translate transform )
-const getSvgPosition = (
-  e: cheerio.Element | null
-): { x: number; y: number } => {
-  if (!e || e.tagName === "svg") return { x: 0, y: 0 };
+export type Res = Awaited<ReturnType<typeof getGithubUserContribution>>;
 
-  const p = getSvgPosition(e.parent as cheerio.Element);
-
-  if (e.attribs.x) p.x += +e.attribs.x;
-  if (e.attribs.y) p.y += +e.attribs.y;
-
-  if (e.attribs.transform) {
-    const m = e.attribs.transform.match(
-      /translate\( *([\.\d]+) *, *([\.\d]+) *\)/
-    );
-
-    if (m) {
-      p.x += +m[1];
-      p.y += +m[2];
-    }
-  }
-
-  return p;
-};
-
-type ThenArg<T> = T extends PromiseLike<infer U> ? U : T;
-
-export type Res = ThenArg<ReturnType<typeof getGithubUserContribution>>;
-
-export type Cell = Res["cells"][number];
+export type Cell = Res[number];

packages/github-user-contribution/package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "dependencies": {
     "cheerio": "1.0.0-rc.10",
-    "node-fetch": "2.6.1"
+    "node-fetch": "2.6.7"
   },
   "devDependencies": {
     "@types/node-fetch": "2.6.1"

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

@@ -1,15 +1,16 @@
 import * as fs from "fs";
 import * as path from "path";
-import { createSvg } from "..";
+import { createSvg, DrawOptions as DrawOptions } from "..";
 import * as grids from "@snk/types/__fixtures__/grid";
 import { snake3 as snake } from "@snk/types/__fixtures__/snake";
 import { getBestRoute } from "@snk/solver/getBestRoute";
+import { AnimationOptions } from "@snk/gif-creator";
 
-const drawOptions = {
-  sizeBorderRadius: 2,
+const drawOptions: DrawOptions = {
+  sizeDotBorderRadius: 2,
   sizeCell: 16,
   sizeDot: 12,
-  colorBorder: "#1b1f230a",
+  colorDotBorder: "#1b1f230a",
   colorDots: { 1: "#9be9a8", 2: "#40c463", 3: "#30a14e", 4: "#216e39" },
   colorEmpty: "#ebedf0",
   colorSnake: "purple",
@@ -19,7 +20,7 @@ const drawOptions = {
   },
 };
 
-const gifOptions = { frameDuration: 100, step: 1 };
+const animationOptions: AnimationOptions = { frameDuration: 100, step: 1 };
 
 const dir = path.resolve(__dirname, "__snapshots__");
 
@@ -31,7 +32,13 @@ for (const [key, grid] of Object.entries(grids))
   it(`should generate ${key} svg`, async () => {
     const chain = [snake, ...getBestRoute(grid, snake)!];
 
-    const svg = await createSvg(grid, chain, drawOptions, gifOptions);
+    const svg = await createSvg(
+      grid,
+      null,
+      chain,
+      drawOptions,
+      animationOptions
+    );
 
     expect(svg).toBeDefined();
 

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

@@ -0,0 +1,26 @@
+import { minifyCss } from "../css-utils";
+
+it("should minify css", () => {
+  expect(
+    minifyCss(`
+    .c {
+        color  : red    ;
+    }
+    
+    `)
+  ).toBe(".c{color:red}");
+
+  expect(
+    minifyCss(`
+    .c {
+        top : 0;
+        color  : red    ;
+    }
+
+    # { 
+        animation: linear     10;
+    }
+    
+    `)
+  ).toBe(".c{top:0;color:red}#{animation:linear 10}");
+});

packages/svg-creator/css-utils.ts

@@ -0,0 +1,38 @@
+const percent = (x: number) =>
+  parseFloat((x * 100).toFixed(2)).toString() + "%";
+
+const mergeKeyFrames = (keyframes: { t: number; style: string }[]) => {
+  const s = new Map<string, number[]>();
+  for (const { t, style } of keyframes) {
+    s.set(style, [...(s.get(style) ?? []), t]);
+  }
+  return Array.from(s.entries())
+    .map(([style, ts]) => ({ style, ts }))
+    .sort((a, b) => a.ts[0] - b.ts[0]);
+};
+
+/**
+ * generate the keyframe animation from a list of keyframe
+ */
+export const createAnimation = (
+  name: string,
+  keyframes: { t: number; style: string }[]
+) =>
+  `@keyframes ${name}{` +
+  mergeKeyFrames(keyframes)
+    .map(({ style, ts }) => ts.map(percent).join(",") + `{${style}}`)
+    .join("") +
+  "}";
+
+/**
+ * remove white spaces
+ */
+export const minifyCss = (css: string) =>
+  css
+    .replace(/\s+/g, " ")
+    .replace(/.\s+[,;:{}()]/g, (a) => a.replace(/\s+/g, ""))
+    .replace(/[,;:{}()]\s+./g, (a) => a.replace(/\s+/g, ""))
+    .replace(/.\s+[,;:{}()]/g, (a) => a.replace(/\s+/g, ""))
+    .replace(/[,;:{}()]\s+./g, (a) => a.replace(/\s+/g, ""))
+    .replace(/\;\s*\}/g, "}")
+    .trim();

packages/svg-creator/grid.ts

@@ -1,63 +1,64 @@
 import type { Color, Empty } from "@snk/types/grid";
 import type { Point } from "@snk/types/point";
-import { h } from "./utils";
+import { createAnimation } from "./css-utils";
+import { h } from "./xml-utils";
 
 export type Options = {
   colorDots: Record<Color, string>;
   colorEmpty: string;
-  colorBorder: string;
+  colorDotBorder: string;
   sizeCell: number;
   sizeDot: number;
-  sizeBorderRadius: number;
+  sizeDotBorderRadius: number;
 };
 
-const percent = (x: number) => (x * 100).toFixed(2);
-
 export const createGrid = (
   cells: (Point & { t: number | null; color: Color | Empty })[],
-  { sizeBorderRadius, sizeDot, sizeCell }: Options,
+  { sizeDotBorderRadius, sizeDot, sizeCell }: Options,
   duration: number
 ) => {
   const svgElements: string[] = [];
   const styles = [
     `.c{
       shape-rendering: geometricPrecision;
-      rx: ${sizeBorderRadius};
-      ry: ${sizeBorderRadius};
       fill: var(--ce);
       stroke-width: 1px;
       stroke: var(--cb);
       animation: none ${duration}ms linear infinite;
+      width: ${sizeDot}px;
+      height: ${sizeDot}px;
     }`,
   ];
 
   let i = 0;
   for (const { x, y, color, t } of cells) {
     const id = t && "c" + (i++).toString(36);
-    const s = sizeCell;
-    const d = sizeDot;
-    const m = (s - d) / 2;
+    const m = (sizeCell - sizeDot) / 2;
 
-    if (t !== null) {
+    if (t !== null && id) {
       const animationName = id;
 
       styles.push(
-        `@keyframes ${animationName} {` +
-          `${percent(t - 0.0001)}%{fill:var(--c${color})}` +
-          `${percent(t + 0.0001)}%,100%{fill:var(--ce)}` +
-          "}",
+        createAnimation(animationName, [
+          { t: t - 0.0001, style: `fill:var(--c${color})` },
+          { t: t + 0.0001, style: `fill:var(--ce)` },
+          { t: 1, style: `fill:var(--ce)` },
+        ]),
 
-        `.c.${id}{fill: var(--c${color}); animation-name: ${animationName}}`
+        `.c.${id}{
+          fill: var(--c${color});
+          animation-name: ${animationName}
+        }`
       );
     }
 
     svgElements.push(
       h("rect", {
         class: ["c", id].filter(Boolean).join(" "),
-        x: x * s + m,
-        y: y * s + m,
-        width: d,
-        height: d,
+        x: x * sizeCell + m,
+        y: y * sizeCell + m,
+        rx: sizeDotBorderRadius,
+        ry: sizeDotBorderRadius,
       })
     );
   }

packages/svg-creator/index.ts

@@ -9,25 +9,25 @@ import { getHeadX, getHeadY } from "@snk/types/snake";
 import type { Snake } from "@snk/types/snake";
 import type { Grid, Color, Empty } from "@snk/types/grid";
 import type { Point } from "@snk/types/point";
+import type { AnimationOptions } from "@snk/gif-creator";
 import { createSnake } from "./snake";
 import { createGrid } from "./grid";
 import { createStack } from "./stack";
-import { h } from "./utils";
-import * as csso from "csso";
+import { h } from "./xml-utils";
+import { minifyCss } from "./css-utils";
 
-export type Options = {
+export type DrawOptions = {
   colorDots: Record<Color, string>;
   colorEmpty: string;
-  colorBorder: string;
+  colorDotBorder: string;
   colorSnake: string;
   sizeCell: number;
   sizeDot: number;
-  sizeBorderRadius: number;
-  cells?: Point[];
+  sizeDotBorderRadius: number;
   dark?: {
     colorDots: Record<Color, string>;
     colorEmpty: string;
-    colorBorder?: string;
+    colorDotBorder?: string;
     colorSnake?: string;
   };
 };
@@ -40,12 +40,12 @@ const getCellsFromGrid = ({ width, height }: Grid) =>
 const createLivingCells = (
   grid0: Grid,
   chain: Snake[],
-  drawOptions: Options
+  cells: Point[] | null
 ) => {
-  const cells: (Point & {
+  const livingCells: (Point & {
     t: number | null;
     color: Color | Empty;
-  })[] = (drawOptions.cells ?? getCellsFromGrid(grid0)).map(({ x, y }) => ({
+  })[] = (cells ?? getCellsFromGrid(grid0)).map(({ x, y }) => ({
     x,
     y,
     t: null,
@@ -60,31 +60,32 @@ const createLivingCells = (
 
     if (isInside(grid, x, y) && !isEmpty(getColor(grid, x, y))) {
       setColorEmpty(grid, x, y);
-      const cell = cells.find((c) => c.x === x && c.y === y)!;
+      const cell = livingCells.find((c) => c.x === x && c.y === y)!;
       cell.t = i / chain.length;
     }
   }
 
-  return cells;
+  return livingCells;
 };
 
 export const createSvg = (
   grid: Grid,
+  cells: Point[] | null,
   chain: Snake[],
-  drawOptions: Options,
-  gifOptions: { frameDuration: number }
+  drawOptions: DrawOptions,
+  animationOptions: Pick<AnimationOptions, "frameDuration">
 ) => {
   const width = (grid.width + 2) * drawOptions.sizeCell;
   const height = (grid.height + 5) * drawOptions.sizeCell;
 
-  const duration = gifOptions.frameDuration * chain.length;
+  const duration = animationOptions.frameDuration * chain.length;
 
-  const cells = createLivingCells(grid, chain, drawOptions);
+  const livingCells = createLivingCells(grid, chain, cells);
 
   const elements = [
-    createGrid(cells, drawOptions, duration),
+    createGrid(livingCells, drawOptions, duration),
     createStack(
-      cells,
+      livingCells,
       drawOptions,
       grid.width * drawOptions.sizeCell,
       (grid.height + 2) * drawOptions.sizeCell,
@@ -115,6 +116,10 @@ export const createSvg = (
       xmlns: "http://www.w3.org/2000/svg",
     }).replace("/>", ">"),
 
+    "<desc>",
+    "Generated with https://github.com/Platane/snk",
+    "</desc>",
+
     "<style>",
     optimizeCss(style),
     "</style>",
@@ -127,13 +132,13 @@ export const createSvg = (
   return optimizeSvg(svg);
 };
 
-const optimizeCss = (css: string) => csso.minify(css).css;
+const optimizeCss = (css: string) => minifyCss(css);
 const optimizeSvg = (svg: string) => svg;
 
-const generateColorVar = (drawOptions: Options) =>
+const generateColorVar = (drawOptions: DrawOptions) =>
   `
     :root {
-    --cb: ${drawOptions.colorBorder};
+    --cb: ${drawOptions.colorDotBorder};
     --cs: ${drawOptions.colorSnake};
     --ce: ${drawOptions.colorEmpty};
     ${Object.entries(drawOptions.colorDots)
@@ -145,7 +150,7 @@ const generateColorVar = (drawOptions: Options) =>
     ? `
     @media (prefers-color-scheme: dark) {
       :root {
-        --cb: ${drawOptions.dark.colorBorder || drawOptions.colorBorder};
+        --cb: ${drawOptions.dark.colorDotBorder || drawOptions.colorDotBorder};
         --cs: ${drawOptions.dark.colorSnake || drawOptions.colorSnake};
         --ce: ${drawOptions.dark.colorEmpty};
         ${Object.entries(drawOptions.dark.colorDots)

packages/svg-creator/package.json

@@ -2,10 +2,7 @@
   "name": "@snk/svg-creator",
   "version": "1.0.0",
   "dependencies": {
-    "@snk/solver": "1.0.0",
-    "csso": "5.0.3"
+    "@snk/solver": "1.0.0"
   },
-  "devDependencies": {
-    "@types/csso": "5.0.0"
-  }
+  "devDependencies": {}
 }

packages/svg-creator/snake.ts

@@ -1,21 +1,15 @@
 import { getSnakeLength, snakeToCells } from "@snk/types/snake";
 import type { Snake } from "@snk/types/snake";
-import type { Color } from "@snk/types/grid";
 import type { Point } from "@snk/types/point";
-import { h } from "./utils";
+import { h } from "./xml-utils";
+import { createAnimation } from "./css-utils";
 
 export type Options = {
-  colorDots: Record<Color, string>;
-  colorEmpty: string;
-  colorBorder: string;
   colorSnake: string;
   sizeCell: number;
   sizeDot: number;
-  sizeBorderRadius: number;
 };
 
-const percent = (x: number) => (x * 100).toFixed(2);
-
 const lerp = (k: number, a: number, b: number) => (1 - k) * a + k * b;
 
 export const createSnake = (
@@ -60,8 +54,8 @@ export const createSnake = (
 
   const styles = [
     `.s{ 
-      shape-rendering:geometricPrecision;
-      fill:var(--cs);
+      shape-rendering: geometricPrecision;
+      fill: var(--cs);
       animation: none linear ${duration}ms infinite
     }`,
 
@@ -69,16 +63,17 @@ export const createSnake = (
       const id = `s${i}`;
       const animationName = id;
 
-      return [
-        `@keyframes ${animationName} {` +
-          removeInterpolatedPositions(
-            positions.map((tr, i, { length }) => ({ ...tr, t: i / length }))
-          )
-            .map((p) => `${percent(p.t)}%{${transform(p)}}`)
-            .join("") +
-          "}",
+      const keyframes = removeInterpolatedPositions(
+        positions.map((tr, i, { length }) => ({ ...tr, t: i / length }))
+      ).map(({ t, ...p }) => ({ t, style: transform(p) }));
 
-        `.s.${id}{${transform(positions[0])};animation-name: ${animationName}}`,
+      return [
+        createAnimation(animationName, keyframes),
+
+        `.s.${id}{
+          ${transform(positions[0])};
+          animation-name: ${animationName}
+        }`,
       ];
     }),
   ].flat();

packages/svg-creator/stack.ts

@@ -1,12 +1,11 @@
 import type { Color, Empty } from "@snk/types/grid";
-import { h } from "./utils";
+import { createAnimation } from "./css-utils";
+import { h } from "./xml-utils";
 
 export type Options = {
   sizeDot: number;
 };
 
-const percent = (x: number) => (x * 100).toFixed(2);
-
 export const createStack = (
   cells: { t: number | null; color: Color | Empty }[],
   { sizeDot }: Options,
@@ -56,23 +55,28 @@ export const createStack = (
     );
 
     styles.push(
-      `@keyframes ${animationName} {` +
+      createAnimation(
+        animationName,
         [
-          ...ts.map((t, i, { length }) => [
-            { scale: i / length, t: t - 0.0001 },
-            { scale: (i + 1) / length, t: t + 0.0001 },
-          ]),
-          [{ scale: 1, t: 1 }],
-        ]
-          .flat()
-          .map(
-            ({ scale, t }) =>
-              `${percent(t)}%{transform:scale(${scale.toFixed(2)},1)}`
-          )
-          .join("\n") +
-        "}",
+          ...ts
+            .map((t, i, { length }) => [
+              { scale: i / length, t: t - 0.0001 },
+              { scale: (i + 1) / length, t: t + 0.0001 },
+            ])
+            .flat(),
+          { scale: 1, t: 1 },
+        ].map(({ scale, t }) => ({
+          t,
+          style: `transform:scale(${scale.toFixed(3)},1)`,
+        }))
+      ),
 
-      `.u.${id}{fill:var(--c${color});animation-name:${animationName};transform-origin:${x}px 0}`
+      `.u.${id} {
+        fill: var(--c${color});
+        animation-name: ${animationName};
+        transform-origin: ${x}px 0
+      }
+      `
     );
   }
 

packages/usage-stats/.gitignore

@@ -0,0 +1,2 @@
+.env
+cache

packages/usage-stats/getDependentInfo-api.ts

@@ -0,0 +1,53 @@
+import { Octokit } from "octokit";
+import { httpGet } from "./httpGet";
+
+require("dotenv").config();
+
+const octokit = new Octokit({ auth: process.env.GITHUB_TOKEN });
+
+export const getLastRunInfo = async (repo_: string) => {
+  const [owner, repo] = repo_.split("/");
+
+  try {
+    const {
+      data: { workflow_runs },
+    } = await octokit.request(
+      "GET /repos/{owner}/{repo}/actions/runs{?actor,branch,event,status,per_page,page,created,exclude_pull_requests,check_suite_id,head_sha}",
+      { owner, repo }
+    );
+
+    for (const r of workflow_runs) {
+      const {
+        run_started_at: date,
+        head_sha,
+        path,
+        conclusion,
+      } = r as {
+        run_started_at: string;
+        head_sha: string;
+        path: string;
+        conclusion: "failure" | "success";
+      };
+
+      const workflow_url = `https://raw.githubusercontent.com/${owner}/${repo}/${head_sha}/${path}`;
+
+      const workflow_code = await httpGet(workflow_url);
+
+      const [_, dependency] =
+        workflow_code.match(/uses\s*:\s*(Platane\/snk(\/svg-only)?@\w*)/) ?? [];
+
+      const cronMatch = workflow_code.match(/cron\s*:([^\n]*)/);
+
+      if (dependency)
+        return {
+          dependency,
+          success: conclusion === "success",
+          date,
+          cron: cronMatch?.[1].replace(/["|']/g, "").trim(),
+          workflow_code,
+        };
+    }
+  } catch (err) {
+    console.error(err);
+  }
+};

packages/usage-stats/getDependentInfo.ts

@@ -0,0 +1,56 @@
+import { load as CheerioLoad } from "cheerio";
+import { httpGet } from "./httpGet";
+
+export const getDependentInfo = async (repo: string) => {
+  const pageText = await httpGet(`https://github.com/${repo}/actions`).catch(
+    () => null
+  );
+
+  if (!pageText) return;
+
+  const $ = CheerioLoad(pageText);
+
+  const runs = $("#partial-actions-workflow-runs [data-url]")
+    .toArray()
+    .map((el) => {
+      const success =
+        $(el).find('[aria-label="completed successfully"]').toArray().length ===
+        1;
+
+      const workflow_file_href = $(el)
+        .find("a")
+        .toArray()
+        .map((el) => $(el).attr("href")!)
+        .find((href) => href.match(/\/actions\/runs\/\d+\/workflow/))!;
+
+      const workflow_file_url = workflow_file_href
+        ? new URL(workflow_file_href, "https://github.com").toString()
+        : null;
+
+      const date = $(el).find("relative-time").attr("datetime");
+
+      return { success, workflow_file_url, date };
+    });
+
+  for (const { workflow_file_url, success, date } of runs) {
+    if (!workflow_file_url) continue;
+
+    const $ = CheerioLoad(await httpGet(workflow_file_url));
+
+    const workflow_code = $("table[data-hpc]").text();
+
+    const [_, dependency] =
+      workflow_code.match(/uses\s*:\s*(Platane\/snk(\/svg-only)?@\w*)/) ?? [];
+
+    const cronMatch = workflow_code.match(/cron\s*:([^\n]*)/);
+
+    if (dependency)
+      return {
+        dependency,
+        success,
+        date,
+        cron: cronMatch?.[1].replace(/["|']/g, "").trim(),
+        workflow_code,
+      };
+  }
+};

packages/usage-stats/getDependents.ts

@@ -0,0 +1,67 @@
+import { load as CheerioLoad } from "cheerio";
+import { httpGet } from "./httpGet";
+
+const getPackages = async (repo: string) => {
+  const pageText = await httpGet(
+    `https://github.com/${repo}/network/dependents`
+  );
+  const $ = CheerioLoad(pageText);
+
+  return $("#dependents .select-menu-list a")
+    .toArray()
+    .map((el) => {
+      const name = $(el).text().trim();
+      const href = $(el).attr("href");
+      const u = new URL(href!, "http://example.com");
+
+      return { name, id: u.searchParams.get("package_id")! };
+    });
+};
+
+const getDependentByPackage = async (repo: string, packageId: string) => {
+  const repos = [] as string[];
+
+  const pages = [];
+
+  let url:
+    | string
+    | null = `https://github.com/${repo}/network/dependents?package_id=${packageId}`;
+
+  while (url) {
+    const $ = CheerioLoad(await httpGet(url));
+
+    console.log(repos.length);
+
+    const reposOnPage = $(`#dependents [data-hovercard-type="repository"]`)
+      .toArray()
+      .map((el) => $(el).attr("href")!.slice(1));
+
+    repos.push(...reposOnPage);
+
+    const nextButton = $(`#dependents a`)
+      .filter((_, el) => $(el).text().trim().toLowerCase() === "next")
+      .eq(0);
+
+    const href = nextButton ? nextButton.attr("href") : null;
+
+    pages.push({ url, reposOnPage, next: href });
+
+    url = href ? new URL(href, "https://github.com").toString() : null;
+  }
+
+  return { repos, pages };
+};
+
+export const getDependents = async (repo: string) => {
+  const packages = await getPackages(repo);
+
+  const ps: (typeof packages[number] & { dependents: string[] })[] = [];
+
+  for (const p of packages)
+    ps.push({
+      ...p,
+      dependents: (await getDependentByPackage(repo, p.id)).repos,
+    });
+
+  return ps;
+};

packages/usage-stats/getRunInfo-api-copy.ts

@@ -0,0 +1,125 @@
+import * as fs from "fs";
+import fetch from "node-fetch";
+import { Octokit } from "octokit";
+
+require("dotenv").config();
+
+// @ts-ignore
+import packages from "./out.json";
+
+const octokit = new Octokit({ auth: process.env.GITHUB_TOKEN });
+
+const getLastRunInfo = async (repo_: string) => {
+  const [owner, repo] = repo_.split("/");
+
+  try {
+    const {
+      data: { workflow_runs },
+    } = await octokit.request(
+      "GET /repos/{owner}/{repo}/actions/runs{?actor,branch,event,status,per_page,page,created,exclude_pull_requests,check_suite_id,head_sha}",
+      { owner, repo }
+    );
+
+    for (const r of workflow_runs) {
+      const { run_started_at, head_sha, path, conclusion } = r as {
+        run_started_at: string;
+        head_sha: string;
+        path: string;
+        conclusion: "failure" | "success";
+      };
+
+      const workflow_url = `https://raw.githubusercontent.com/${owner}/${repo}/${head_sha}/${path}`;
+
+      const workflow_file = await fetch(workflow_url).then((res) => res.text());
+
+      const [_, dependency, __, version] =
+        workflow_file.match(/uses\s*:\s*(Platane\/snk(\/svg-only)?@(\w*))/) ??
+        [];
+
+      const cronMatch = workflow_file.match(/cron\s*:([^\n]*)/);
+
+      if (dependency)
+        return {
+          dependency,
+          version,
+          run_started_at,
+          conclusion,
+          cron: cronMatch?.[1].replace(/["|']/g, "").trim(),
+          workflow_file,
+          workflow_url,
+        };
+    }
+  } catch (err) {
+    console.error(err);
+  }
+};
+
+const wait = (delay = 0) => new Promise((r) => setTimeout(r, delay));
+
+const getRepos = () => {
+  try {
+    return JSON.parse(fs.readFileSync(__dirname + "/cache/out.json").toString())
+      .map((p: any) => p.dependents)
+      .flat() as string[];
+  } catch (err) {
+    return [];
+  }
+};
+
+const getReposInfo = () => {
+  try {
+    return JSON.parse(
+      fs.readFileSync(__dirname + "/cache/stats.json").toString()
+    ) as any[];
+  } catch (err) {
+    return [];
+  }
+};
+const saveRepoInfo = (rr: any[]) => {
+  fs.writeFileSync(__dirname + "/cache/stats.json", JSON.stringify(rr));
+};
+
+(async () => {
+  const repos = getRepos();
+  const total = repos.length;
+
+  const reposInfo = getReposInfo().slice(0, -20);
+  for (const { repo } of reposInfo) {
+    const i = repos.indexOf(repo);
+    if (i >= 0) repos.splice(i, 1);
+  }
+
+  while (repos.length) {
+    const {
+      data: { rate },
+    } = await octokit.request("GET /rate_limit", {});
+
+    console.log(rate);
+    if (rate.remaining < 100) {
+      const delay = rate.reset - Math.floor(Date.now() / 1000);
+      console.log(
+        `waiting ${delay} second (${(delay / 60).toFixed(
+          1
+        )} minutes) for reset `
+      );
+      await wait(Math.max(0, delay) * 1000);
+    }
+
+    const rs = repos.splice(0, 20);
+
+    await Promise.all(
+      rs.map(async (repo) => {
+        reposInfo.push({ repo, ...(await getLastRunInfo(repo)) });
+
+        saveRepoInfo(reposInfo);
+
+        console.log(
+          reposInfo.length.toString().padStart(5, " "),
+          "/",
+          total,
+          repo
+        );
+      })
+    );
+  }
+})();

packages/usage-stats/httpGet.ts

@@ -0,0 +1,84 @@
+import fetch from "node-fetch";
+import * as path from "path";
+import * as fs from "fs";
+
+const CACHE_DIR = path.join(__dirname, "cache", "http");
+fs.mkdirSync(CACHE_DIR, { recursive: true });
+
+const createMutex = () => {
+  let locked = false;
+  const q: any[] = [];
+
+  const update = () => {
+    if (locked) return;
+
+    if (q[0]) {
+      locked = true;
+      q.shift()(() => {
+        locked = false;
+        update();
+      });
+    }
+  };
+
+  const request = () =>
+    new Promise<() => void>((resolve) => {
+      q.push(resolve);
+      update();
+    });
+
+  return request;
+};
+
+const mutex = createMutex();
+
+export const httpGet = async (url: string | URL): Promise<string> => {
+  const cacheKey = url
+    .toString()
+    .replace(/https?:\/\//, "")
+    .replace(/[^\w=&\?\.]/g, "_");
+
+  const cacheFilename = path.join(CACHE_DIR, cacheKey);
+
+  if (fs.existsSync(cacheFilename))
+    return new Promise((resolve, reject) =>
+      fs.readFile(cacheFilename, (err, data) =>
+        err ? reject(err) : resolve(data.toString())
+      )
+    );
+
+  const release = await mutex();
+
+  try {
+    const res = await fetch(url);
+
+    if (!res.ok) {
+      if (res.status === 429 || res.statusText === "Too Many Requests") {
+        const delay = +(res.headers.get("retry-after") ?? 300) * 1000;
+
+        console.log("Too Many Requests", delay);
+
+        await wait(delay);
+
+        console.log("waited long enough");
+
+        return httpGet(url);
+      }
+
+      console.error(url, res.status, res.statusText);
+      throw new Error("res not ok");
+    }
+
+    const text = await res.text();
+
+    fs.writeFileSync(cacheFilename, text);
+
+    // await wait(Math.random() * 200 + 100);
+
+    return text;
+  } finally {
+    release();
+  }
+};
+
+const wait = (delay = 0) => new Promise((r) => setTimeout(r, delay));

packages/usage-stats/index.ts

@@ -0,0 +1,51 @@
+import { getDependentInfo } from "./getDependentInfo";
+import { getDependents } from "./getDependents";
+import ParkMiller from "park-miller";
+
+const toChunk = <T>(arr: T[], n = 1) =>
+  Array.from({ length: Math.ceil(arr.length / n) }, (_, i) =>
+    arr.slice(i * n, (i + 1) * n)
+  );
+
+const random = new ParkMiller(10);
+
+const shuffle = <T>(array: T[]) => {
+  for (let i = array.length - 1; i > 0; i--) {
+    const j = Math.floor(random.float() * (i + 1));
+    const temp = array[i];
+    array[i] = array[j];
+    array[j] = temp;
+  }
+};
+
+(async () => {
+  const packages = await getDependents("Platane/snk");
+
+  const repos = packages.map((p) => p.dependents).flat();
+
+  shuffle(repos);
+  repos.splice(0, repos.length - 5000);
+
+  console.log(repos);
+
+  const infos: any[] = [];
+
+  // for (const chunk of toChunk(repos, 10))
+  //   await Promise.all(
+  //     chunk.map(async (repo) => {
+  //       console.log(
+  //         infos.length.toString().padStart(5, " "),
+  //         "/",
+  //         repos.length
+  //       );
+
+  //       infos.push({ repo, ...(await getDependentInfo(repo)) });
+  //     })
+  //   );
+
+  for (const repo of repos) {
+    console.log(infos.length.toString().padStart(5, " "), "/", repos.length);
+
+    infos.push({ repo, ...(await getDependentInfo(repo)) });
+  }
+})();

packages/usage-stats/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "@snk/usage-stats",
+  "version": "1.0.0",
+  "dependencies": {},
+  "devDependencies": {
+    "sucrase": "3.29.0",
+    "cheerio": "1.0.0-rc.12",
+    "node-fetch": "2.6.7",
+    "octokit": "2.0.11",
+    "dotenv": "16.0.3",
+    "park-miller": "1.1.0"
+  },
+  "scripts": {
+    "start": "sucrase-node index.ts"
+  }
+}

packages/usage-stats/stats.ts

@@ -0,0 +1,62 @@
+import * as fs from "fs";
+
+type R = { repo: string } & Partial<{
+  dependency: string;
+  version: string;
+  run_started_at: string;
+  conclusion: "failure" | "success";
+  cron?: string;
+  workflow_file: string;
+}>;
+
+(async () => {
+  const repos: R[] = JSON.parse(
+    fs.readFileSync(__dirname + "/cache/stats.json").toString()
+  );
+
+  const total = repos.length;
+
+  const recent_repos = repos.filter(
+    (r) =>
+      new Date(r.run_started_at!).getTime() >
+      Date.now() - 7 * 24 * 60 * 60 * 1000
+  );
+
+  const recent_successful_repos = recent_repos.filter(
+    (r) => r?.conclusion === "success"
+  );
+
+  const versions = new Map();
+  for (const { dependency } of recent_successful_repos) {
+    versions.set(dependency, (versions.get(dependency) ?? 0) + 1);
+  }
+
+  console.log(`total ${total}`);
+  console.log(
+    `recent_repos ${recent_repos.length} (${(
+      (recent_repos.length / total) *
+      100
+    ).toFixed(2)}%)`
+  );
+  console.log(
+    `recent_successful_repos ${recent_successful_repos.length} (${(
+      (recent_successful_repos.length / total) *
+      100
+    ).toFixed(2)}%)`
+  );
+  console.log("versions");
+  for (const [name, count] of Array.from(versions.entries()).sort(
+    ([, a], [, b]) => b - a
+  ))
+    console.log(
+      `${(name as string).split("Platane/")[1].padEnd(20, " ")}  ${(
+        (count / recent_successful_repos.length) *
+        100
+      )
+        .toFixed(2)
+        .padStart(6, " ")}% ${count} `
+    );
+
+  const gif_repos = repos.filter((r) => r.workflow_file?.includes(".gif"));
+  console.log("repo with git ouput", gif_repos.length);
+})();

svg-only/README.md

@@ -6,4 +6,4 @@ As a drawback, it can not generate gif image.
 
 ## Build process
 
-file is built and push on release, by the release action.
+dist file are built and push on release, by the release action.

svg-only/action.yml

@@ -10,11 +10,23 @@ inputs:
   github_user_name:
     description: "github user name"
     required: true
-  svg_out_path:
-    description: "path of the generated svg file. If left empty, the svg file will not be generated."
+  outputs:
     required: false
     default: null
+    description: |
+      list of files to generate.
+      one file per line. Each output can be customized with options as query string.
 
-outputs:
-  svg_out_path:
-    description: "path of the generated svg"
+       supported query string options:
+
+      - palette:      A preset of color, one of [github, github-dark, github-light]
+      - color_snake:  Color of the snake
+      - color_dots:   Coma separated list of dots color. 
+                      The first one is 0 contribution, then it goes from the low contribution to the highest.
+                      Exactly 5 colors are expected.
+
+      example:
+        outputs: |
+          dark.svg?palette=github-dark&color_snake=blue
+          light.svg?color_snake=#7845ab
+          ocean.svg?color_snake=orange&color_dots=#bfd6f6,#8dbdff,#64a1f4,#4b91f1,#3c7dd9

svg-only/dist/142.index.js

@@ -0,0 +1,233 @@
+"use strict";
+exports.id = 142;
+exports.ids = [142];
+exports.modules = {
+
+/***/ 7142:
+/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
+
+// ESM COMPAT FLAG
+__webpack_require__.r(__webpack_exports__);
+
+// EXPORTS
+__webpack_require__.d(__webpack_exports__, {
+  "createGif": () => (/* binding */ createGif)
+});
+
+// EXTERNAL MODULE: external "fs"
+var external_fs_ = __webpack_require__(7147);
+var external_fs_default = /*#__PURE__*/__webpack_require__.n(external_fs_);
+// EXTERNAL MODULE: external "path"
+var external_path_ = __webpack_require__(1017);
+var external_path_default = /*#__PURE__*/__webpack_require__.n(external_path_);
+// EXTERNAL MODULE: external "child_process"
+var external_child_process_ = __webpack_require__(2081);
+// EXTERNAL MODULE: external "canvas"
+var external_canvas_ = __webpack_require__(1576);
+// EXTERNAL MODULE: ../types/grid.ts
+var types_grid = __webpack_require__(2881);
+;// CONCATENATED MODULE: ../draw/pathRoundedRect.ts
+const pathRoundedRect_pathRoundedRect = (ctx, width, height, borderRadius) => {
+    ctx.moveTo(borderRadius, 0);
+    ctx.arcTo(width, 0, width, height, borderRadius);
+    ctx.arcTo(width, height, 0, height, borderRadius);
+    ctx.arcTo(0, height, 0, 0, borderRadius);
+    ctx.arcTo(0, 0, width, 0, borderRadius);
+};
+
+;// CONCATENATED MODULE: ../draw/drawGrid.ts
+
+
+const drawGrid_drawGrid = (ctx, grid, cells, o) => {
+    for (let x = grid.width; x--;)
+        for (let y = grid.height; y--;) {
+            if (!cells || cells.some((c) => c.x === x && c.y === y)) {
+                const c = (0,types_grid/* getColor */.Lq)(grid, x, y);
+                // @ts-ignore
+                const color = !c ? o.colorEmpty : o.colorDots[c];
+                ctx.save();
+                ctx.translate(x * o.sizeCell + (o.sizeCell - o.sizeDot) / 2, y * o.sizeCell + (o.sizeCell - o.sizeDot) / 2);
+                ctx.fillStyle = color;
+                ctx.strokeStyle = o.colorDotBorder;
+                ctx.lineWidth = 1;
+                ctx.beginPath();
+                pathRoundedRect_pathRoundedRect(ctx, o.sizeDot, o.sizeDot, o.sizeDotBorderRadius);
+                ctx.fill();
+                ctx.stroke();
+                ctx.closePath();
+                ctx.restore();
+            }
+        }
+};
+
+;// CONCATENATED MODULE: ../draw/drawSnake.ts
+
+
+const drawSnake_drawSnake = (ctx, snake, o) => {
+    const cells = snakeToCells(snake);
+    for (let i = 0; i < cells.length; i++) {
+        const u = (i + 1) * 0.6;
+        ctx.save();
+        ctx.fillStyle = o.colorSnake;
+        ctx.translate(cells[i].x * o.sizeCell + u, cells[i].y * o.sizeCell + u);
+        ctx.beginPath();
+        pathRoundedRect(ctx, o.sizeCell - u * 2, o.sizeCell - u * 2, (o.sizeCell - u * 2) * 0.25);
+        ctx.fill();
+        ctx.restore();
+    }
+};
+const lerp = (k, a, b) => (1 - k) * a + k * b;
+const clamp = (x, a, b) => Math.max(a, Math.min(b, x));
+const drawSnakeLerp = (ctx, snake0, snake1, k, o) => {
+    const m = 0.8;
+    const n = snake0.length / 2;
+    for (let i = 0; i < n; i++) {
+        const u = (i + 1) * 0.6 * (o.sizeCell / 16);
+        const a = (1 - m) * (i / Math.max(n - 1, 1));
+        const ki = clamp((k - a) / m, 0, 1);
+        const x = lerp(ki, snake0[i * 2 + 0], snake1[i * 2 + 0]) - 2;
+        const y = lerp(ki, snake0[i * 2 + 1], snake1[i * 2 + 1]) - 2;
+        ctx.save();
+        ctx.fillStyle = o.colorSnake;
+        ctx.translate(x * o.sizeCell + u, y * o.sizeCell + u);
+        ctx.beginPath();
+        pathRoundedRect_pathRoundedRect(ctx, o.sizeCell - u * 2, o.sizeCell - u * 2, (o.sizeCell - u * 2) * 0.25);
+        ctx.fill();
+        ctx.restore();
+    }
+};
+
+;// CONCATENATED MODULE: ../draw/drawWorld.ts
+
+
+const drawStack = (ctx, stack, max, width, o) => {
+    ctx.save();
+    const m = width / max;
+    for (let i = 0; i < stack.length; i++) {
+        // @ts-ignore
+        ctx.fillStyle = o.colorDots[stack[i]];
+        ctx.fillRect(i * m, 0, m + width * 0.005, 10);
+    }
+    ctx.restore();
+};
+const drawWorld = (ctx, grid, cells, snake, stack, o) => {
+    ctx.save();
+    ctx.translate(1 * o.sizeCell, 2 * o.sizeCell);
+    drawGrid(ctx, grid, cells, o);
+    drawSnake(ctx, snake, o);
+    ctx.restore();
+    ctx.save();
+    ctx.translate(o.sizeCell, (grid.height + 4) * o.sizeCell);
+    const max = grid.data.reduce((sum, x) => sum + +!!x, stack.length);
+    drawStack(ctx, stack, max, grid.width * o.sizeCell, o);
+    ctx.restore();
+    // ctx.save();
+    // ctx.translate(o.sizeCell + 100, (grid.height + 4) * o.sizeCell + 100);
+    // ctx.scale(0.6, 0.6);
+    // drawCircleStack(ctx, stack, o);
+    // ctx.restore();
+};
+const drawLerpWorld = (ctx, grid, cells, snake0, snake1, stack, k, o) => {
+    ctx.save();
+    ctx.translate(1 * o.sizeCell, 2 * o.sizeCell);
+    drawGrid_drawGrid(ctx, grid, cells, o);
+    drawSnakeLerp(ctx, snake0, snake1, k, o);
+    ctx.translate(0, (grid.height + 2) * o.sizeCell);
+    const max = grid.data.reduce((sum, x) => sum + +!!x, stack.length);
+    drawStack(ctx, stack, max, grid.width * o.sizeCell, o);
+    ctx.restore();
+};
+const getCanvasWorldSize = (grid, o) => {
+    const width = o.sizeCell * (grid.width + 2);
+    const height = o.sizeCell * (grid.height + 4) + 30;
+    return { width, height };
+};
+
+// EXTERNAL MODULE: ../types/snake.ts
+var types_snake = __webpack_require__(9347);
+;// CONCATENATED MODULE: ../solver/step.ts
+
+
+const step = (grid, stack, snake) => {
+    const x = (0,types_snake/* getHeadX */.If)(snake);
+    const y = (0,types_snake/* getHeadY */.IP)(snake);
+    const color = (0,types_grid/* getColor */.Lq)(grid, x, y);
+    if ((0,types_grid/* isInside */.V0)(grid, x, y) && !(0,types_grid/* isEmpty */.xb)(color)) {
+        stack.push(color);
+        (0,types_grid/* setColorEmpty */.Dy)(grid, x, y);
+    }
+};
+
+// EXTERNAL MODULE: ../../node_modules/tmp/lib/tmp.js
+var tmp = __webpack_require__(6382);
+// EXTERNAL MODULE: external "gifsicle"
+var external_gifsicle_ = __webpack_require__(542);
+var external_gifsicle_default = /*#__PURE__*/__webpack_require__.n(external_gifsicle_);
+// EXTERNAL MODULE: ../../node_modules/gif-encoder-2/index.js
+var gif_encoder_2 = __webpack_require__(3561);
+var gif_encoder_2_default = /*#__PURE__*/__webpack_require__.n(gif_encoder_2);
+;// CONCATENATED MODULE: ../gif-creator/index.ts
+
+
+
+
+
+
+
+
+
+// @ts-ignore
+
+const withTmpDir = async (handler) => {
+    const { name: dir, removeCallback: cleanUp } = tmp.dirSync({
+        unsafeCleanup: true,
+    });
+    try {
+        return await handler(dir);
+    }
+    finally {
+        cleanUp();
+    }
+};
+const createGif = async (grid0, cells, chain, drawOptions, animationOptions) => withTmpDir(async (dir) => {
+    const { width, height } = getCanvasWorldSize(grid0, drawOptions);
+    const canvas = (0,external_canvas_.createCanvas)(width, height);
+    const ctx = canvas.getContext("2d");
+    const grid = (0,types_grid/* copyGrid */.VJ)(grid0);
+    const stack = [];
+    const encoder = new (gif_encoder_2_default())(width, height, "neuquant", true);
+    encoder.setRepeat(0);
+    encoder.setDelay(animationOptions.frameDuration);
+    encoder.start();
+    for (let i = 0; i < chain.length; i += 1) {
+        const snake0 = chain[i];
+        const snake1 = chain[Math.min(chain.length - 1, i + 1)];
+        step(grid, stack, snake0);
+        for (let k = 0; k < animationOptions.step; k++) {
+            ctx.clearRect(0, 0, width, height);
+            ctx.fillStyle = "#fff";
+            ctx.fillRect(0, 0, width, height);
+            drawLerpWorld(ctx, grid, cells, snake0, snake1, stack, k / animationOptions.step, drawOptions);
+            encoder.addFrame(ctx);
+        }
+    }
+    const outFileName = external_path_default().join(dir, "out.gif");
+    const optimizedFileName = external_path_default().join(dir, "out.optimized.gif");
+    encoder.finish();
+    external_fs_default().writeFileSync(outFileName, encoder.out.getData());
+    (0,external_child_process_.execFileSync)((external_gifsicle_default()), [
+        //
+        "--optimize=3",
+        "--color-method=diversity",
+        "--colors=18",
+        outFileName,
+        ["--output", optimizedFileName],
+    ].flat());
+    return external_fs_default().readFileSync(optimizedFileName);
+});
+
+
+/***/ })
+
+};
+;

svg-only/dist/317.index.js

@@ -0,0 +1,795 @@
+"use strict";
+exports.id = 317;
+exports.ids = [317];
+exports.modules = {
+
+/***/ 5317:
+/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
+
+// ESM COMPAT FLAG
+__webpack_require__.r(__webpack_exports__);
+
+// EXPORTS
+__webpack_require__.d(__webpack_exports__, {
+  "generateContributionSnake": () => (/* binding */ generateContributionSnake)
+});
+
+// EXTERNAL MODULE: ../../node_modules/node-fetch/lib/index.js
+var lib = __webpack_require__(2197);
+var lib_default = /*#__PURE__*/__webpack_require__.n(lib);
+;// CONCATENATED MODULE: ../github-user-contribution/formatParams.ts
+const formatParams = (options = {}) => {
+    const sp = new URLSearchParams();
+    const o = { ...options };
+    if ("year" in options) {
+        o.from = `${options.year}-01-01`;
+        o.to = `${options.year}-12-31`;
+    }
+    for (const s of ["from", "to"])
+        if (o[s]) {
+            const value = o[s];
+            if (value >= formatDate(new Date()))
+                throw new Error("Cannot get contribution for a date in the future.\nPlease limit your range to the current UTC day.");
+            sp.set(s, value);
+        }
+    return sp.toString();
+};
+const formatDate = (d) => {
+    const year = d.getUTCFullYear();
+    const month = d.getUTCMonth() + 1;
+    const date = d.getUTCDate();
+    return [
+        year,
+        month.toString().padStart(2, "0"),
+        date.toString().padStart(2, "0"),
+    ].join("-");
+};
+
+;// CONCATENATED MODULE: ../github-user-contribution/index.ts
+
+
+/**
+ * get the contribution grid from a github user page
+ *
+ * use options.from=YYYY-MM-DD options.to=YYYY-MM-DD to get the contribution grid for a specific time range
+ * or year=2019 as an alias for from=2019-01-01 to=2019-12-31
+ *
+ * otherwise return use the time range from today minus one year to today ( as seen in github profile page )
+ *
+ * @param userName github user name
+ * @param options
+ *
+ * @example
+ *  getGithubUserContribution("platane", { from: "2019-01-01", to: "2019-12-31" })
+ *  getGithubUserContribution("platane", { year: 2019 })
+ *
+ */
+const getGithubUserContribution = async (userName, options = {}) => {
+    // either use github.com/users/xxxx/contributions  for previous years
+    // or github.com/xxxx ( which gives the latest update to today result )
+    const url = "year" in options || "from" in options || "to" in options
+        ? `https://github.com/users/${userName}/contributions?` +
+            formatParams(options)
+        : `https://github.com/${userName}`;
+    const res = await lib_default()(url);
+    if (!res.ok)
+        throw new Error(res.statusText);
+    const resText = await res.text();
+    return parseUserPage(resText);
+};
+const parseUserPage = (content) => {
+    // take roughly the svg block
+    const block = content
+        .split(`class="js-calendar-graph-svg"`)[1]
+        .split("</svg>")[0];
+    let x = 0;
+    let lastYAttribute = 0;
+    const rects = Array.from(block.matchAll(/<rect[^>]*>[^<]*<\/rect>/g)).map(([m]) => {
+        const date = m.match(/data-date="([^"]+)"/)[1];
+        const level = +m.match(/data-level="([^"]+)"/)[1];
+        const yAttribute = +m.match(/y="([^"]+)"/)[1];
+        const literalCount = m.match(/(No|\d+) contributions? on/)[1];
+        const count = literalCount === "No" ? 0 : +literalCount;
+        if (lastYAttribute > yAttribute)
+            x++;
+        lastYAttribute = yAttribute;
+        return { date, count, level, x, yAttribute };
+    });
+    const yAttributes = Array.from(new Set(rects.map((c) => c.yAttribute)).keys()).sort();
+    const cells = rects.map(({ yAttribute, ...c }) => ({
+        y: yAttributes.indexOf(yAttribute),
+        ...c,
+    }));
+    return cells;
+};
+
+// EXTERNAL MODULE: ../types/grid.ts
+var types_grid = __webpack_require__(2881);
+;// CONCATENATED MODULE: ./userContributionToGrid.ts
+
+const userContributionToGrid = (cells) => {
+    const width = Math.max(0, ...cells.map((c) => c.x)) + 1;
+    const height = Math.max(0, ...cells.map((c) => c.y)) + 1;
+    const grid = (0,types_grid/* createEmptyGrid */.u1)(width, height);
+    for (const c of cells) {
+        if (c.level > 0)
+            (0,types_grid/* setColor */.vk)(grid, c.x, c.y, c.level);
+        else
+            (0,types_grid/* setColorEmpty */.Dy)(grid, c.x, c.y);
+    }
+    return grid;
+};
+
+;// CONCATENATED MODULE: ../types/point.ts
+const around4 = [
+    { x: 1, y: 0 },
+    { x: 0, y: -1 },
+    { x: -1, y: 0 },
+    { x: 0, y: 1 },
+];
+const pointEquals = (a, b) => a.x === b.x && a.y === b.y;
+
+;// CONCATENATED MODULE: ../solver/outside.ts
+
+
+const createOutside = (grid, color = 0) => {
+    const outside = (0,types_grid/* createEmptyGrid */.u1)(grid.width, grid.height);
+    for (let x = outside.width; x--;)
+        for (let y = outside.height; y--;)
+            (0,types_grid/* setColor */.vk)(outside, x, y, 1);
+    fillOutside(outside, grid, color);
+    return outside;
+};
+const fillOutside = (outside, grid, color = 0) => {
+    let changed = true;
+    while (changed) {
+        changed = false;
+        for (let x = outside.width; x--;)
+            for (let y = outside.height; y--;)
+                if ((0,types_grid/* getColor */.Lq)(grid, x, y) <= color &&
+                    !isOutside(outside, x, y) &&
+                    around4.some((a) => isOutside(outside, x + a.x, y + a.y))) {
+                    changed = true;
+                    (0,types_grid/* setColorEmpty */.Dy)(outside, x, y);
+                }
+    }
+    return outside;
+};
+const isOutside = (outside, x, y) => !(0,types_grid/* isInside */.V0)(outside, x, y) || (0,types_grid/* isEmpty */.xb)((0,types_grid/* getColor */.Lq)(outside, x, y));
+
+// EXTERNAL MODULE: ../types/snake.ts
+var types_snake = __webpack_require__(9347);
+;// CONCATENATED MODULE: ../solver/utils/sortPush.ts
+const sortPush = (arr, x, sortFn) => {
+    let a = 0;
+    let b = arr.length;
+    if (arr.length === 0 || sortFn(x, arr[a]) <= 0) {
+        arr.unshift(x);
+        return;
+    }
+    while (b - a > 1) {
+        const e = Math.ceil((a + b) / 2);
+        const s = sortFn(x, arr[e]);
+        if (s === 0)
+            a = b = e;
+        else if (s > 0)
+            a = e;
+        else
+            b = e;
+    }
+    const e = Math.ceil((a + b) / 2);
+    arr.splice(e, 0, x);
+};
+
+;// CONCATENATED MODULE: ../solver/tunnel.ts
+
+
+/**
+ * get the sequence of snake to cross the tunnel
+ */
+const getTunnelPath = (snake0, tunnel) => {
+    const chain = [];
+    let snake = snake0;
+    for (let i = 1; i < tunnel.length; i++) {
+        const dx = tunnel[i].x - (0,types_snake/* getHeadX */.If)(snake);
+        const dy = tunnel[i].y - (0,types_snake/* getHeadY */.IP)(snake);
+        snake = (0,types_snake/* nextSnake */.kv)(snake, dx, dy);
+        chain.unshift(snake);
+    }
+    return chain;
+};
+/**
+ * assuming the grid change and the colors got deleted, update the tunnel
+ */
+const updateTunnel = (grid, tunnel, toDelete) => {
+    while (tunnel.length) {
+        const { x, y } = tunnel[0];
+        if (isEmptySafe(grid, x, y) ||
+            toDelete.some((p) => p.x === x && p.y === y)) {
+            tunnel.shift();
+        }
+        else
+            break;
+    }
+    while (tunnel.length) {
+        const { x, y } = tunnel[tunnel.length - 1];
+        if (isEmptySafe(grid, x, y) ||
+            toDelete.some((p) => p.x === x && p.y === y)) {
+            tunnel.pop();
+        }
+        else
+            break;
+    }
+};
+const isEmptySafe = (grid, x, y) => !(0,types_grid/* isInside */.V0)(grid, x, y) || (0,types_grid/* isEmpty */.xb)((0,types_grid/* getColor */.Lq)(grid, x, y));
+/**
+ * remove empty cell from start
+ */
+const trimTunnelStart = (grid, tunnel) => {
+    while (tunnel.length) {
+        const { x, y } = tunnel[0];
+        if (isEmptySafe(grid, x, y))
+            tunnel.shift();
+        else
+            break;
+    }
+};
+/**
+ * remove empty cell from end
+ */
+const trimTunnelEnd = (grid, tunnel) => {
+    while (tunnel.length) {
+        const i = tunnel.length - 1;
+        const { x, y } = tunnel[i];
+        if (isEmptySafe(grid, x, y) ||
+            tunnel.findIndex((p) => p.x === x && p.y === y) < i)
+            tunnel.pop();
+        else
+            break;
+    }
+};
+
+;// CONCATENATED MODULE: ../solver/getBestTunnel.ts
+
+
+
+
+
+
+const getColorSafe = (grid, x, y) => (0,types_grid/* isInside */.V0)(grid, x, y) ? (0,types_grid/* getColor */.Lq)(grid, x, y) : 0;
+const setEmptySafe = (grid, x, y) => {
+    if ((0,types_grid/* isInside */.V0)(grid, x, y))
+        (0,types_grid/* setColorEmpty */.Dy)(grid, x, y);
+};
+const unwrap = (m) => !m
+    ? []
+    : [...unwrap(m.parent), { x: (0,types_snake/* getHeadX */.If)(m.snake), y: (0,types_snake/* getHeadY */.IP)(m.snake) }];
+/**
+ * returns the path to reach the outside which contains the least color cell
+ */
+const getSnakeEscapePath = (grid, outside, snake0, color) => {
+    const openList = [{ snake: snake0, w: 0 }];
+    const closeList = [];
+    while (openList[0]) {
+        const o = openList.shift();
+        const x = (0,types_snake/* getHeadX */.If)(o.snake);
+        const y = (0,types_snake/* getHeadY */.IP)(o.snake);
+        if (isOutside(outside, x, y))
+            return unwrap(o);
+        for (const a of around4) {
+            const c = getColorSafe(grid, x + a.x, y + a.y);
+            if (c <= color && !(0,types_snake/* snakeWillSelfCollide */.nJ)(o.snake, a.x, a.y)) {
+                const snake = (0,types_snake/* nextSnake */.kv)(o.snake, a.x, a.y);
+                if (!closeList.some((s0) => (0,types_snake/* snakeEquals */.kE)(s0, snake))) {
+                    const w = o.w + 1 + +(c === color) * 1000;
+                    sortPush(openList, { snake, w, parent: o }, (a, b) => a.w - b.w);
+                    closeList.push(snake);
+                }
+            }
+        }
+    }
+    return null;
+};
+/**
+ * compute the best tunnel to get to the cell and back to the outside ( best = less usage of <color> )
+ *
+ * notice that it's one of the best tunnels, more with the same score could exist
+ */
+const getBestTunnel = (grid, outside, x, y, color, snakeN) => {
+    const c = { x, y };
+    const snake0 = (0,types_snake/* createSnakeFromCells */.xG)(Array.from({ length: snakeN }, () => c));
+    const one = getSnakeEscapePath(grid, outside, snake0, color);
+    if (!one)
+        return null;
+    // get the position of the snake if it was going to leave the x,y cell
+    const snakeICells = one.slice(0, snakeN);
+    while (snakeICells.length < snakeN)
+        snakeICells.push(snakeICells[snakeICells.length - 1]);
+    const snakeI = (0,types_snake/* createSnakeFromCells */.xG)(snakeICells);
+    // remove from the grid the colors that one eat
+    const gridI = (0,types_grid/* copyGrid */.VJ)(grid);
+    for (const { x, y } of one)
+        setEmptySafe(gridI, x, y);
+    const two = getSnakeEscapePath(gridI, outside, snakeI, color);
+    if (!two)
+        return null;
+    one.shift();
+    one.reverse();
+    one.push(...two);
+    trimTunnelStart(grid, one);
+    trimTunnelEnd(grid, one);
+    return one;
+};
+
+;// CONCATENATED MODULE: ../solver/getPathTo.ts
+
+
+
+
+/**
+ * starting from snake0, get to the cell x,y
+ * return the snake chain (reversed)
+ */
+const getPathTo = (grid, snake0, x, y) => {
+    const openList = [{ snake: snake0, w: 0 }];
+    const closeList = [];
+    while (openList.length) {
+        const c = openList.shift();
+        const cx = (0,types_snake/* getHeadX */.If)(c.snake);
+        const cy = (0,types_snake/* getHeadY */.IP)(c.snake);
+        for (let i = 0; i < around4.length; i++) {
+            const { x: dx, y: dy } = around4[i];
+            const nx = cx + dx;
+            const ny = cy + dy;
+            if (nx === x && ny === y) {
+                // unwrap
+                const path = [(0,types_snake/* nextSnake */.kv)(c.snake, dx, dy)];
+                let e = c;
+                while (e.parent) {
+                    path.push(e.snake);
+                    e = e.parent;
+                }
+                return path;
+            }
+            if ((0,types_grid/* isInsideLarge */.HJ)(grid, 2, nx, ny) &&
+                !(0,types_snake/* snakeWillSelfCollide */.nJ)(c.snake, dx, dy) &&
+                (!(0,types_grid/* isInside */.V0)(grid, nx, ny) || (0,types_grid/* isEmpty */.xb)((0,types_grid/* getColor */.Lq)(grid, nx, ny)))) {
+                const nsnake = (0,types_snake/* nextSnake */.kv)(c.snake, dx, dy);
+                if (!closeList.some((s) => (0,types_snake/* snakeEquals */.kE)(nsnake, s))) {
+                    const w = c.w + 1;
+                    const h = Math.abs(nx - x) + Math.abs(ny - y);
+                    const f = w + h;
+                    const o = { snake: nsnake, parent: c, w, h, f };
+                    sortPush(openList, o, (a, b) => a.f - b.f);
+                    closeList.push(nsnake);
+                }
+            }
+        }
+    }
+};
+
+;// CONCATENATED MODULE: ../solver/clearResidualColoredLayer.ts
+
+
+
+
+
+
+const clearResidualColoredLayer = (grid, outside, snake0, color) => {
+    const snakeN = (0,types_snake/* getSnakeLength */.JJ)(snake0);
+    const tunnels = getTunnellablePoints(grid, outside, snakeN, color);
+    // sort
+    tunnels.sort((a, b) => b.priority - a.priority);
+    const chain = [snake0];
+    while (tunnels.length) {
+        // get the best next tunnel
+        let t = getNextTunnel(tunnels, chain[0]);
+        // goes to the start of the tunnel
+        chain.unshift(...getPathTo(grid, chain[0], t[0].x, t[0].y));
+        // goes to the end of the tunnel
+        chain.unshift(...getTunnelPath(chain[0], t));
+        // update grid
+        for (const { x, y } of t)
+            clearResidualColoredLayer_setEmptySafe(grid, x, y);
+        // update outside
+        fillOutside(outside, grid);
+        // update tunnels
+        for (let i = tunnels.length; i--;)
+            if ((0,types_grid/* isEmpty */.xb)((0,types_grid/* getColor */.Lq)(grid, tunnels[i].x, tunnels[i].y)))
+                tunnels.splice(i, 1);
+            else {
+                const t = tunnels[i];
+                const tunnel = getBestTunnel(grid, outside, t.x, t.y, color, snakeN);
+                if (!tunnel)
+                    tunnels.splice(i, 1);
+                else {
+                    t.tunnel = tunnel;
+                    t.priority = getPriority(grid, color, tunnel);
+                }
+            }
+        // re-sort
+        tunnels.sort((a, b) => b.priority - a.priority);
+    }
+    chain.pop();
+    return chain;
+};
+const getNextTunnel = (ts, snake) => {
+    let minDistance = Infinity;
+    let closestTunnel = null;
+    const x = (0,types_snake/* getHeadX */.If)(snake);
+    const y = (0,types_snake/* getHeadY */.IP)(snake);
+    const priority = ts[0].priority;
+    for (let i = 0; ts[i] && ts[i].priority === priority; i++) {
+        const t = ts[i].tunnel;
+        const d = distanceSq(t[0].x, t[0].y, x, y);
+        if (d < minDistance) {
+            minDistance = d;
+            closestTunnel = t;
+        }
+    }
+    return closestTunnel;
+};
+/**
+ * get all the tunnels for all the cells accessible
+ */
+const getTunnellablePoints = (grid, outside, snakeN, color) => {
+    const points = [];
+    for (let x = grid.width; x--;)
+        for (let y = grid.height; y--;) {
+            const c = (0,types_grid/* getColor */.Lq)(grid, x, y);
+            if (!(0,types_grid/* isEmpty */.xb)(c) && c < color) {
+                const tunnel = getBestTunnel(grid, outside, x, y, color, snakeN);
+                if (tunnel) {
+                    const priority = getPriority(grid, color, tunnel);
+                    points.push({ x, y, priority, tunnel });
+                }
+            }
+        }
+    return points;
+};
+/**
+ * get the score of the tunnel
+ * prioritize tunnel with maximum color smaller than <color> and with minimum <color>
+ * with some tweaks
+ */
+const getPriority = (grid, color, tunnel) => {
+    let nColor = 0;
+    let nLess = 0;
+    for (let i = 0; i < tunnel.length; i++) {
+        const { x, y } = tunnel[i];
+        const c = clearResidualColoredLayer_getColorSafe(grid, x, y);
+        if (!(0,types_grid/* isEmpty */.xb)(c) && i === tunnel.findIndex((p) => p.x === x && p.y === y)) {
+            if (c === color)
+                nColor += 1;
+            else
+                nLess += color - c;
+        }
+    }
+    if (nColor === 0)
+        return 99999;
+    return nLess / nColor;
+};
+const distanceSq = (ax, ay, bx, by) => (ax - bx) ** 2 + (ay - by) ** 2;
+const clearResidualColoredLayer_getColorSafe = (grid, x, y) => (0,types_grid/* isInside */.V0)(grid, x, y) ? (0,types_grid/* getColor */.Lq)(grid, x, y) : 0;
+const clearResidualColoredLayer_setEmptySafe = (grid, x, y) => {
+    if ((0,types_grid/* isInside */.V0)(grid, x, y))
+        (0,types_grid/* setColorEmpty */.Dy)(grid, x, y);
+};
+
+;// CONCATENATED MODULE: ../solver/clearCleanColoredLayer.ts
+
+
+
+
+
+const clearCleanColoredLayer = (grid, outside, snake0, color) => {
+    const snakeN = (0,types_snake/* getSnakeLength */.JJ)(snake0);
+    const points = clearCleanColoredLayer_getTunnellablePoints(grid, outside, snakeN, color);
+    const chain = [snake0];
+    while (points.length) {
+        const path = getPathToNextPoint(grid, chain[0], color, points);
+        path.pop();
+        for (const snake of path)
+            clearCleanColoredLayer_setEmptySafe(grid, (0,types_snake/* getHeadX */.If)(snake), (0,types_snake/* getHeadY */.IP)(snake));
+        chain.unshift(...path);
+    }
+    fillOutside(outside, grid);
+    chain.pop();
+    return chain;
+};
+const clearCleanColoredLayer_unwrap = (m) => !m ? [] : [m.snake, ...clearCleanColoredLayer_unwrap(m.parent)];
+const getPathToNextPoint = (grid, snake0, color, points) => {
+    const closeList = [];
+    const openList = [{ snake: snake0 }];
+    while (openList.length) {
+        const o = openList.shift();
+        const x = (0,types_snake/* getHeadX */.If)(o.snake);
+        const y = (0,types_snake/* getHeadY */.IP)(o.snake);
+        const i = points.findIndex((p) => p.x === x && p.y === y);
+        if (i >= 0) {
+            points.splice(i, 1);
+            return clearCleanColoredLayer_unwrap(o);
+        }
+        for (const { x: dx, y: dy } of around4) {
+            if ((0,types_grid/* isInsideLarge */.HJ)(grid, 2, x + dx, y + dy) &&
+                !(0,types_snake/* snakeWillSelfCollide */.nJ)(o.snake, dx, dy) &&
+                clearCleanColoredLayer_getColorSafe(grid, x + dx, y + dy) <= color) {
+                const snake = (0,types_snake/* nextSnake */.kv)(o.snake, dx, dy);
+                if (!closeList.some((s0) => (0,types_snake/* snakeEquals */.kE)(s0, snake))) {
+                    closeList.push(snake);
+                    openList.push({ snake, parent: o });
+                }
+            }
+        }
+    }
+};
+/**
+ * get all cells that are tunnellable
+ */
+const clearCleanColoredLayer_getTunnellablePoints = (grid, outside, snakeN, color) => {
+    const points = [];
+    for (let x = grid.width; x--;)
+        for (let y = grid.height; y--;) {
+            const c = (0,types_grid/* getColor */.Lq)(grid, x, y);
+            if (!(0,types_grid/* isEmpty */.xb)(c) &&
+                c <= color &&
+                !points.some((p) => p.x === x && p.y === y)) {
+                const tunnel = getBestTunnel(grid, outside, x, y, color, snakeN);
+                if (tunnel)
+                    for (const p of tunnel)
+                        if (!clearCleanColoredLayer_isEmptySafe(grid, p.x, p.y))
+                            points.push(p);
+            }
+        }
+    return points;
+};
+const clearCleanColoredLayer_getColorSafe = (grid, x, y) => (0,types_grid/* isInside */.V0)(grid, x, y) ? (0,types_grid/* getColor */.Lq)(grid, x, y) : 0;
+const clearCleanColoredLayer_setEmptySafe = (grid, x, y) => {
+    if ((0,types_grid/* isInside */.V0)(grid, x, y))
+        (0,types_grid/* setColorEmpty */.Dy)(grid, x, y);
+};
+const clearCleanColoredLayer_isEmptySafe = (grid, x, y) => !(0,types_grid/* isInside */.V0)(grid, x, y) && (0,types_grid/* isEmpty */.xb)((0,types_grid/* getColor */.Lq)(grid, x, y));
+
+;// CONCATENATED MODULE: ../solver/getBestRoute.ts
+
+
+
+
+const getBestRoute = (grid0, snake0) => {
+    const grid = (0,types_grid/* copyGrid */.VJ)(grid0);
+    const outside = createOutside(grid);
+    const chain = [snake0];
+    for (const color of extractColors(grid)) {
+        if (color > 1)
+            chain.unshift(...clearResidualColoredLayer(grid, outside, chain[0], color));
+        chain.unshift(...clearCleanColoredLayer(grid, outside, chain[0], color));
+    }
+    return chain.reverse();
+};
+const extractColors = (grid) => {
+    // @ts-ignore
+    let maxColor = Math.max(...grid.data);
+    return Array.from({ length: maxColor }, (_, i) => (i + 1));
+};
+
+;// CONCATENATED MODULE: ../types/__fixtures__/snake.ts
+
+const create = (length) => (0,types_snake/* createSnakeFromCells */.xG)(Array.from({ length }, (_, i) => ({ x: i, y: -1 })));
+const snake1 = create(1);
+const snake3 = create(3);
+const snake4 = create(4);
+const snake5 = create(5);
+const snake9 = create(9);
+
+;// CONCATENATED MODULE: ../solver/getPathToPose.ts
+
+
+
+
+
+const getPathToPose_isEmptySafe = (grid, x, y) => !(0,types_grid/* isInside */.V0)(grid, x, y) || (0,types_grid/* isEmpty */.xb)((0,types_grid/* getColor */.Lq)(grid, x, y));
+const getPathToPose = (snake0, target, grid) => {
+    if ((0,types_snake/* snakeEquals */.kE)(snake0, target))
+        return [];
+    const targetCells = (0,types_snake/* snakeToCells */.Ks)(target).reverse();
+    const snakeN = (0,types_snake/* getSnakeLength */.JJ)(snake0);
+    const box = {
+        min: {
+            x: Math.min((0,types_snake/* getHeadX */.If)(snake0), (0,types_snake/* getHeadX */.If)(target)) - snakeN - 1,
+            y: Math.min((0,types_snake/* getHeadY */.IP)(snake0), (0,types_snake/* getHeadY */.IP)(target)) - snakeN - 1,
+        },
+        max: {
+            x: Math.max((0,types_snake/* getHeadX */.If)(snake0), (0,types_snake/* getHeadX */.If)(target)) + snakeN + 1,
+            y: Math.max((0,types_snake/* getHeadY */.IP)(snake0), (0,types_snake/* getHeadY */.IP)(target)) + snakeN + 1,
+        },
+    };
+    const [t0, ...forbidden] = targetCells;
+    forbidden.slice(0, 3);
+    const openList = [{ snake: snake0, w: 0 }];
+    const closeList = [];
+    while (openList.length) {
+        const o = openList.shift();
+        const x = (0,types_snake/* getHeadX */.If)(o.snake);
+        const y = (0,types_snake/* getHeadY */.IP)(o.snake);
+        if (x === t0.x && y === t0.y) {
+            const path = [];
+            let e = o;
+            while (e) {
+                path.push(e.snake);
+                e = e.parent;
+            }
+            path.unshift(...getTunnelPath(path[0], targetCells));
+            path.pop();
+            path.reverse();
+            return path;
+        }
+        for (let i = 0; i < around4.length; i++) {
+            const { x: dx, y: dy } = around4[i];
+            const nx = x + dx;
+            const ny = y + dy;
+            if (!(0,types_snake/* snakeWillSelfCollide */.nJ)(o.snake, dx, dy) &&
+                (!grid || getPathToPose_isEmptySafe(grid, nx, ny)) &&
+                (grid
+                    ? (0,types_grid/* isInsideLarge */.HJ)(grid, 2, nx, ny)
+                    : box.min.x <= nx &&
+                        nx <= box.max.x &&
+                        box.min.y <= ny &&
+                        ny <= box.max.y) &&
+                !forbidden.some((p) => p.x === nx && p.y === ny)) {
+                const snake = (0,types_snake/* nextSnake */.kv)(o.snake, dx, dy);
+                if (!closeList.some((s) => (0,types_snake/* snakeEquals */.kE)(snake, s))) {
+                    const w = o.w + 1;
+                    const h = Math.abs(nx - x) + Math.abs(ny - y);
+                    const f = w + h;
+                    sortPush(openList, { f, w, snake, parent: o }, (a, b) => a.f - b.f);
+                    closeList.push(snake);
+                }
+            }
+        }
+    }
+};
+
+;// CONCATENATED MODULE: ./generateContributionSnake.ts
+
+
+
+
+
+const generateContributionSnake = async (userName, outputs) => {
+    console.log("🎣 fetching github user contribution");
+    const cells = await getGithubUserContribution(userName);
+    const grid = userContributionToGrid(cells);
+    const snake = snake4;
+    console.log("📡 computing best route");
+    const chain = getBestRoute(grid, snake);
+    chain.push(...getPathToPose(chain.slice(-1)[0], snake));
+    return Promise.all(outputs.map(async (out, i) => {
+        if (!out)
+            return;
+        const { format, drawOptions, animationOptions } = out;
+        switch (format) {
+            case "svg": {
+                console.log(`🖌 creating svg (outputs[${i}])`);
+                const { createSvg } = await __webpack_require__.e(/* import() */ 340).then(__webpack_require__.bind(__webpack_require__, 8340));
+                return createSvg(grid, cells, chain, drawOptions, animationOptions);
+            }
+            case "gif": {
+                console.log(`📹 creating gif (outputs[${i}])`);
+                const { createGif } = await Promise.all(/* import() */[__webpack_require__.e(371), __webpack_require__.e(142)]).then(__webpack_require__.bind(__webpack_require__, 7142));
+                return await createGif(grid, cells, chain, drawOptions, animationOptions);
+            }
+        }
+    }));
+};
+
+
+/***/ }),
+
+/***/ 2881:
+/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
+
+/* harmony export */ __webpack_require__.d(__webpack_exports__, {
+/* harmony export */   "V0": () => (/* binding */ isInside),
+/* harmony export */   "HJ": () => (/* binding */ isInsideLarge),
+/* harmony export */   "VJ": () => (/* binding */ copyGrid),
+/* harmony export */   "Lq": () => (/* binding */ getColor),
+/* harmony export */   "xb": () => (/* binding */ isEmpty),
+/* harmony export */   "vk": () => (/* binding */ setColor),
+/* harmony export */   "Dy": () => (/* binding */ setColorEmpty),
+/* harmony export */   "u1": () => (/* binding */ createEmptyGrid)
+/* harmony export */ });
+/* unused harmony exports isGridEmpty, gridEquals */
+const isInside = (grid, x, y) => x >= 0 && y >= 0 && x < grid.width && y < grid.height;
+const isInsideLarge = (grid, m, x, y) => x >= -m && y >= -m && x < grid.width + m && y < grid.height + m;
+const copyGrid = ({ width, height, data }) => ({
+    width,
+    height,
+    data: Uint8Array.from(data),
+});
+const getIndex = (grid, x, y) => x * grid.height + y;
+const getColor = (grid, x, y) => grid.data[getIndex(grid, x, y)];
+const isEmpty = (color) => color === 0;
+const setColor = (grid, x, y, color) => {
+    grid.data[getIndex(grid, x, y)] = color || 0;
+};
+const setColorEmpty = (grid, x, y) => {
+    setColor(grid, x, y, 0);
+};
+/**
+ * return true if the grid is empty
+ */
+const isGridEmpty = (grid) => grid.data.every((x) => x === 0);
+const gridEquals = (a, b) => a.data.every((_, i) => a.data[i] === b.data[i]);
+const createEmptyGrid = (width, height) => ({
+    width,
+    height,
+    data: new Uint8Array(width * height),
+});
+
+
+/***/ }),
+
+/***/ 9347:
+/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
+
+/* harmony export */ __webpack_require__.d(__webpack_exports__, {
+/* harmony export */   "If": () => (/* binding */ getHeadX),
+/* harmony export */   "IP": () => (/* binding */ getHeadY),
+/* harmony export */   "JJ": () => (/* binding */ getSnakeLength),
+/* harmony export */   "kE": () => (/* binding */ snakeEquals),
+/* harmony export */   "kv": () => (/* binding */ nextSnake),
+/* harmony export */   "nJ": () => (/* binding */ snakeWillSelfCollide),
+/* harmony export */   "Ks": () => (/* binding */ snakeToCells),
+/* harmony export */   "xG": () => (/* binding */ createSnakeFromCells)
+/* harmony export */ });
+/* unused harmony export copySnake */
+const getHeadX = (snake) => snake[0] - 2;
+const getHeadY = (snake) => snake[1] - 2;
+const getSnakeLength = (snake) => snake.length / 2;
+const copySnake = (snake) => snake.slice();
+const snakeEquals = (a, b) => {
+    for (let i = 0; i < a.length; i++)
+        if (a[i] !== b[i])
+            return false;
+    return true;
+};
+/**
+ * return a copy of the next snake, considering that dx, dy is the direction
+ */
+const nextSnake = (snake, dx, dy) => {
+    const copy = new Uint8Array(snake.length);
+    for (let i = 2; i < snake.length; i++)
+        copy[i] = snake[i - 2];
+    copy[0] = snake[0] + dx;
+    copy[1] = snake[1] + dy;
+    return copy;
+};
+/**
+ * return true if the next snake will collide with itself
+ */
+const snakeWillSelfCollide = (snake, dx, dy) => {
+    const nx = snake[0] + dx;
+    const ny = snake[1] + dy;
+    for (let i = 2; i < snake.length - 2; i += 2)
+        if (snake[i + 0] === nx && snake[i + 1] === ny)
+            return true;
+    return false;
+};
+const snakeToCells = (snake) => Array.from({ length: snake.length / 2 }, (_, i) => ({
+    x: snake[i * 2 + 0] - 2,
+    y: snake[i * 2 + 1] - 2,
+}));
+const createSnakeFromCells = (points) => {
+    const snake = new Uint8Array(points.length * 2);
+    for (let i = points.length; i--;) {
+        snake[i * 2 + 0] = points[i].x + 2;
+        snake[i * 2 + 1] = points[i].y + 2;
+    }
+    return snake;
+};
+
+
+/***/ })
+
+};
+;

svg-only/dist/340.index.js

@@ -0,0 +1,325 @@
+"use strict";
+exports.id = 340;
+exports.ids = [340];
+exports.modules = {
+
+/***/ 8340:
+/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
+
+// ESM COMPAT FLAG
+__webpack_require__.r(__webpack_exports__);
+
+// EXPORTS
+__webpack_require__.d(__webpack_exports__, {
+  "createSvg": () => (/* binding */ createSvg)
+});
+
+// EXTERNAL MODULE: ../types/grid.ts
+var types_grid = __webpack_require__(2881);
+// EXTERNAL MODULE: ../types/snake.ts
+var types_snake = __webpack_require__(9347);
+;// CONCATENATED MODULE: ../svg-creator/xml-utils.ts
+const h = (element, attributes) => `<${element} ${toAttribute(attributes)}/>`;
+const toAttribute = (o) => Object.entries(o)
+    .filter(([, value]) => value !== null)
+    .map(([name, value]) => `${name}="${value}"`)
+    .join(" ");
+
+;// CONCATENATED MODULE: ../svg-creator/css-utils.ts
+const percent = (x) => parseFloat((x * 100).toFixed(2)).toString() + "%";
+const mergeKeyFrames = (keyframes) => {
+    const s = new Map();
+    for (const { t, style } of keyframes) {
+        s.set(style, [...(s.get(style) ?? []), t]);
+    }
+    return Array.from(s.entries())
+        .map(([style, ts]) => ({ style, ts }))
+        .sort((a, b) => a.ts[0] - b.ts[0]);
+};
+/**
+ * generate the keyframe animation from a list of keyframe
+ */
+const createAnimation = (name, keyframes) => `@keyframes ${name}{` +
+    mergeKeyFrames(keyframes)
+        .map(({ style, ts }) => ts.map(percent).join(",") + `{${style}}`)
+        .join("") +
+    "}";
+/**
+ * remove white spaces
+ */
+const minifyCss = (css) => css
+    .replace(/\s+/g, " ")
+    .replace(/.\s+[,;:{}()]/g, (a) => a.replace(/\s+/g, ""))
+    .replace(/[,;:{}()]\s+./g, (a) => a.replace(/\s+/g, ""))
+    .replace(/.\s+[,;:{}()]/g, (a) => a.replace(/\s+/g, ""))
+    .replace(/[,;:{}()]\s+./g, (a) => a.replace(/\s+/g, ""))
+    .replace(/\;\s*\}/g, "}")
+    .trim();
+
+;// CONCATENATED MODULE: ../svg-creator/snake.ts
+
+
+
+const lerp = (k, a, b) => (1 - k) * a + k * b;
+const createSnake = (chain, { sizeCell, sizeDot }, duration) => {
+    const snakeN = chain[0] ? (0,types_snake/* getSnakeLength */.JJ)(chain[0]) : 0;
+    const snakeParts = Array.from({ length: snakeN }, () => []);
+    for (const snake of chain) {
+        const cells = (0,types_snake/* snakeToCells */.Ks)(snake);
+        for (let i = cells.length; i--;)
+            snakeParts[i].push(cells[i]);
+    }
+    const svgElements = snakeParts.map((_, i, { length }) => {
+        // compute snake part size
+        const dMin = sizeDot * 0.8;
+        const dMax = sizeCell * 0.9;
+        const iMax = Math.min(4, length);
+        const u = (1 - Math.min(i, iMax) / iMax) ** 2;
+        const s = lerp(u, dMin, dMax);
+        const m = (sizeCell - s) / 2;
+        const r = Math.min(4.5, (4 * s) / sizeDot);
+        return h("rect", {
+            class: `s s${i}`,
+            x: m.toFixed(1),
+            y: m.toFixed(1),
+            width: s.toFixed(1),
+            height: s.toFixed(1),
+            rx: r.toFixed(1),
+            ry: r.toFixed(1),
+        });
+    });
+    const transform = ({ x, y }) => `transform:translate(${x * sizeCell}px,${y * sizeCell}px)`;
+    const styles = [
+        `.s{ 
+      shape-rendering: geometricPrecision;
+      fill: var(--cs);
+      animation: none linear ${duration}ms infinite
+    }`,
+        ...snakeParts.map((positions, i) => {
+            const id = `s${i}`;
+            const animationName = id;
+            const keyframes = removeInterpolatedPositions(positions.map((tr, i, { length }) => ({ ...tr, t: i / length }))).map(({ t, ...p }) => ({ t, style: transform(p) }));
+            return [
+                createAnimation(animationName, keyframes),
+                `.s.${id}{
+          ${transform(positions[0])};
+          animation-name: ${animationName}
+        }`,
+            ];
+        }),
+    ].flat();
+    return { svgElements, styles };
+};
+const removeInterpolatedPositions = (arr) => arr.filter((u, i, arr) => {
+    if (i - 1 < 0 || i + 1 >= arr.length)
+        return true;
+    const a = arr[i - 1];
+    const b = arr[i + 1];
+    const ex = (a.x + b.x) / 2;
+    const ey = (a.y + b.y) / 2;
+    // return true;
+    return !(Math.abs(ex - u.x) < 0.01 && Math.abs(ey - u.y) < 0.01);
+});
+
+;// CONCATENATED MODULE: ../svg-creator/grid.ts
+
+
+const createGrid = (cells, { sizeDotBorderRadius, sizeDot, sizeCell }, duration) => {
+    const svgElements = [];
+    const styles = [
+        `.c{
+      shape-rendering: geometricPrecision;
+      fill: var(--ce);
+      stroke-width: 1px;
+      stroke: var(--cb);
+      animation: none ${duration}ms linear infinite;
+      width: ${sizeDot}px;
+      height: ${sizeDot}px;
+    }`,
+    ];
+    let i = 0;
+    for (const { x, y, color, t } of cells) {
+        const id = t && "c" + (i++).toString(36);
+        const m = (sizeCell - sizeDot) / 2;
+        if (t !== null && id) {
+            const animationName = id;
+            styles.push(createAnimation(animationName, [
+                { t: t - 0.0001, style: `fill:var(--c${color})` },
+                { t: t + 0.0001, style: `fill:var(--ce)` },
+                { t: 1, style: `fill:var(--ce)` },
+            ]), `.c.${id}{
+          fill: var(--c${color});
+          animation-name: ${animationName}
+        }`);
+        }
+        svgElements.push(h("rect", {
+            class: ["c", id].filter(Boolean).join(" "),
+            x: x * sizeCell + m,
+            y: y * sizeCell + m,
+            rx: sizeDotBorderRadius,
+            ry: sizeDotBorderRadius,
+        }));
+    }
+    return { svgElements, styles };
+};
+
+;// CONCATENATED MODULE: ../svg-creator/stack.ts
+
+
+const createStack = (cells, { sizeDot }, width, y, duration) => {
+    const svgElements = [];
+    const styles = [
+        `.u{ 
+      transform-origin: 0 0;
+      transform: scale(0,1);
+      animation: none linear ${duration}ms infinite;
+    }`,
+    ];
+    const stack = cells
+        .slice()
+        .filter((a) => a.t !== null)
+        .sort((a, b) => a.t - b.t);
+    const blocks = [];
+    stack.forEach(({ color, t }) => {
+        const latest = blocks[blocks.length - 1];
+        if (latest?.color === color)
+            latest.ts.push(t);
+        else
+            blocks.push({ color, ts: [t] });
+    });
+    const m = width / stack.length;
+    let i = 0;
+    let nx = 0;
+    for (const { color, ts } of blocks) {
+        const id = "u" + (i++).toString(36);
+        const animationName = id;
+        const x = (nx * m).toFixed(1);
+        nx += ts.length;
+        svgElements.push(h("rect", {
+            class: `u ${id}`,
+            height: sizeDot,
+            width: (ts.length * m + 0.6).toFixed(1),
+            x,
+            y,
+        }));
+        styles.push(createAnimation(animationName, [
+            ...ts
+                .map((t, i, { length }) => [
+                { scale: i / length, t: t - 0.0001 },
+                { scale: (i + 1) / length, t: t + 0.0001 },
+            ])
+                .flat(),
+            { scale: 1, t: 1 },
+        ].map(({ scale, t }) => ({
+            t,
+            style: `transform:scale(${scale.toFixed(3)},1)`,
+        }))), `.u.${id} {
+        fill: var(--c${color});
+        animation-name: ${animationName};
+        transform-origin: ${x}px 0
+      }
+      `);
+    }
+    return { svgElements, styles };
+};
+
+;// CONCATENATED MODULE: ../svg-creator/index.ts
+
+
+
+
+
+
+
+const getCellsFromGrid = ({ width, height }) => Array.from({ length: width }, (_, x) => Array.from({ length: height }, (_, y) => ({ x, y }))).flat();
+const createLivingCells = (grid0, chain, cells) => {
+    const livingCells = (cells ?? getCellsFromGrid(grid0)).map(({ x, y }) => ({
+        x,
+        y,
+        t: null,
+        color: (0,types_grid/* getColor */.Lq)(grid0, x, y),
+    }));
+    const grid = (0,types_grid/* copyGrid */.VJ)(grid0);
+    for (let i = 0; i < chain.length; i++) {
+        const snake = chain[i];
+        const x = (0,types_snake/* getHeadX */.If)(snake);
+        const y = (0,types_snake/* getHeadY */.IP)(snake);
+        if ((0,types_grid/* isInside */.V0)(grid, x, y) && !(0,types_grid/* isEmpty */.xb)((0,types_grid/* getColor */.Lq)(grid, x, y))) {
+            (0,types_grid/* setColorEmpty */.Dy)(grid, x, y);
+            const cell = livingCells.find((c) => c.x === x && c.y === y);
+            cell.t = i / chain.length;
+        }
+    }
+    return livingCells;
+};
+const createSvg = (grid, cells, chain, drawOptions, animationOptions) => {
+    const width = (grid.width + 2) * drawOptions.sizeCell;
+    const height = (grid.height + 5) * drawOptions.sizeCell;
+    const duration = animationOptions.frameDuration * chain.length;
+    const livingCells = createLivingCells(grid, chain, cells);
+    const elements = [
+        createGrid(livingCells, drawOptions, duration),
+        createStack(livingCells, drawOptions, grid.width * drawOptions.sizeCell, (grid.height + 2) * drawOptions.sizeCell, duration),
+        createSnake(chain, drawOptions, duration),
+    ];
+    const viewBox = [
+        -drawOptions.sizeCell,
+        -drawOptions.sizeCell * 2,
+        width,
+        height,
+    ].join(" ");
+    const style = generateColorVar(drawOptions) +
+        elements
+            .map((e) => e.styles)
+            .flat()
+            .join("\n");
+    const svg = [
+        h("svg", {
+            viewBox,
+            width,
+            height,
+            xmlns: "http://www.w3.org/2000/svg",
+        }).replace("/>", ">"),
+        "<desc>",
+        "Generated with https://github.com/Platane/snk",
+        "</desc>",
+        "<style>",
+        optimizeCss(style),
+        "</style>",
+        ...elements.map((e) => e.svgElements).flat(),
+        "</svg>",
+    ].join("");
+    return optimizeSvg(svg);
+};
+const optimizeCss = (css) => minifyCss(css);
+const optimizeSvg = (svg) => svg;
+const generateColorVar = (drawOptions) => `
+    :root {
+    --cb: ${drawOptions.colorDotBorder};
+    --cs: ${drawOptions.colorSnake};
+    --ce: ${drawOptions.colorEmpty};
+    ${Object.entries(drawOptions.colorDots)
+    .map(([i, color]) => `--c${i}:${color};`)
+    .join("")}
+    }
+    ` +
+    (drawOptions.dark
+        ? `
+    @media (prefers-color-scheme: dark) {
+      :root {
+        --cb: ${drawOptions.dark.colorDotBorder || drawOptions.colorDotBorder};
+        --cs: ${drawOptions.dark.colorSnake || drawOptions.colorSnake};
+        --ce: ${drawOptions.dark.colorEmpty};
+        ${Object.entries(drawOptions.dark.colorDots)
+            .map(([i, color]) => `--c${i}:${color};`)
+            .join("")}
+      }
+    }
+`
+        : "");
+
+
+/***/ })
+
+};
+;

tsconfig.json

@@ -6,7 +6,8 @@
     "noUnusedLocals": true,
     "noUnusedParameters": true,
     "forceConsistentCasingInFileNames": true,
-    "esModuleInterop": true
+    "esModuleInterop": true,
+    "moduleResolution": "node"
   },
   "exclude": ["node_modules"]
 }