🚀 bootstrap workspace

.github/workflows/main.yml

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+name: main
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+
+      - uses: bahmutov/npm-install@v1
+
+      - run: yarn type
+      - run: yarn lint
+      - run: yarn test --ci

.gitignore

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+node_modules
+npm-debug.log*
+yarn-error.log*
+dist
+build

jest.config.js

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+module.exports = {
+  preset: "ts-jest",
+  testEnvironment: "node",
+};

package.json

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+{
+  "name": "snk",
+  "version": "1.0.0",
+  "private": true,
+  "repository": "github:platane/snk",
+  "devDependencies": {
+    "@types/jest": "26.0.4",
+    "jest": "26.1.0",
+    "prettier": "2.0.5",
+    "ts-jest": "26.1.2",
+    "typescript": "3.9.6"
+  },
+  "workspaces": [
+    "packages/**"
+  ],
+  "scripts": {
+    "type": "tsc --noEmit",
+    "lint": "yarn prettier -c '**/*.{ts,js,json,md,yml,yaml}' '!dist/**'",
+    "test": "jest --verbose --passWithNoTests",
+    "build": "( cd packages/demo ; yarn build )",
+    "dev": "( cd packages/demo ; yarn dev )"
+  }
+}

packages/compute/generateGrid.ts

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+import { Grid, Color } from "./grid";
+
+const rand = (a: number, b: number) => Math.floor(Math.random() * (b - a)) + a;
+
+export const generateGrid = (
+  width: number,
+  height: number,
+  options: { colors: Color[]; emptyP: number } = {
+    colors: [1, 2, 3],
+    emptyP: 2,
+  }
+): Grid => {
+  const g = {
+    width,
+    height,
+    data: Array.from({ length: width * height }, () => {
+      const x = rand(-options.emptyP, options.colors.length);
+
+      return x < 0 ? null : options.colors[x];
+    }),
+  };
+
+  return g;
+};

packages/compute/grid.ts

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+export type Color = number;
+
+export type Grid = {
+  width: number;
+  height: number;
+  data: (Color | null)[];
+};
+
+export const getIndex = (grid: Grid, x: number, y: number) =>
+  x * grid.height + y;
+
+export const isInside = (grid: Grid, x: number, y: number) =>
+  x >= 0 && y >= 0 && x < grid.width && y < grid.height;
+
+export const getColor = (grid: Grid, x: number, y: number) =>
+  grid.data[getIndex(grid, x, y)];
+
+export const setColor = (
+  grid: Grid,
+  x: number,
+  y: number,
+  color: Color | null
+) => {
+  grid.data[getIndex(grid, x, y)] = color;
+};

packages/compute/index.ts

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+import { Grid, Color } from "./grid";
+
+type Point = { x: number; y: number };
+
+export const computeBestRun = (
+  pattern: Color[],
+  grid: Grid,
+  originalPosition: Point
+) => {
+  console.log(pattern, grid, originalPosition);
+
+  return [];
+};

packages/compute/package.json

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+{
+  "name": "@snk/compute",
+  "version": "1.0.0"
+}

packages/demo/.gitignore

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+webpack.config.js

packages/demo/index.ts

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+// import { generateGrid } from "@snk/compute/generateGrid";
+
+import { generateGrid } from "@snk/compute/generateGrid";
+
+console.log("hello world");
+
+export const run = async (a: number) => {
+  generateGrid(100, 100);
+
+  console.log(a, generateGrid(100, 100));
+};
+
+run(1);

packages/demo/package.json

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+{
+  "name": "@snk/demo",
+  "version": "1.0.0",
+  "dependencies": {
+    "@snk/compute": "1.0.0"
+  },
+  "devDependencies": {
+    "webpack": "4.43.0",
+    "webpack-cli": "3.3.12",
+    "webpack-dev-server": "3.11.0",
+    "ts-loader": "8.0.1",
+    "html-webpack-plugin": "4.3.0"
+  },
+  "scripts": {
+    "prepare": "tsc webpack.config.ts",
+    "build": "yarn prepare ; webpack",
+    "dev": "yarn prepare ; webpack-dev-server --port ${PORT-3000}"
+  }
+}

packages/demo/webpack.config.ts

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+import * as path from "path";
+
+// @ts-ignore
+import * as HtmlWebpackPlugin from "html-webpack-plugin";
+import type { Configuration } from "webpack";
+
+const basePathname = (process.env.BASE_PATHNAME || "")
+  .split("/")
+  .filter(Boolean);
+
+const config: Configuration = {
+  mode: "development",
+  entry: "./index",
+  resolve: { extensions: [".ts", ".js"] },
+  output: {
+    path: path.join(__dirname, "../../dist/demo"),
+    filename: "[contenthash].js",
+    publicPath: "/" + basePathname.map((x) => x + "/").join(""),
+  },
+  module: {
+    rules: [
+      {
+        exclude: /node_modules/,
+        test: /\.(js|ts)$/,
+        loader: "ts-loader",
+      },
+    ],
+  },
+  plugins: [
+    // game
+    new HtmlWebpackPlugin({
+      title: "demo",
+      filename: "index.html",
+      meta: {
+        viewport: "width=device-width, initial-scale=1, shrink-to-fit=no",
+      },
+    }),
+  ],
+
+  devtool: false,
+};
+
+export default config;

tsconfig.json

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+{
+  "compilerOptions": {
+    "jsx": "preserve",
+    "lib": ["dom", "ES2020"],
+    "strict": true,
+    "skipLibCheck": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "forceConsistentCasingInFileNames": true,
+    "isolatedModules": true
+  },
+  "exclude": ["node_modules"]
+}