initial commit

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2

.eslintrc.json

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+{
+  "root": true,
+  "parser": "@typescript-eslint/parser",
+  "plugins": [
+    "@typescript-eslint"
+  ],
+  "env": {
+    "es6": true,
+    "node": true
+  },
+  "parserOptions": {
+    "sourceType": "module",
+    "project": "./tsconfig.json"
+  },
+  "rules": {
+    "no-dupe-keys": "warn",
+    "no-duplicate-case": "warn",
+    "no-extra-boolean-cast": "warn",
+    "no-extra-semi": "warn",
+    "no-func-assign": "warn",
+    "no-import-assign": "warn",
+    "no-invalid-regexp": "warn",
+    "no-irregular-whitespace": "warn",
+    "no-sparse-arrays": "warn",
+    "no-template-curly-in-string": "warn",
+    "no-unexpected-multiline": "warn",
+    "no-unreachable": "warn",
+    "no-unsafe-finally": "warn",
+    "no-unsafe-negation": "warn",
+    "use-isnan": "warn",
+    "valid-typeof": "warn",
+    "dot-location": ["warn", "property"],
+    "dot-notation": ["warn"],
+    "no-case-declarations": "warn",
+    "no-empty-pattern": "warn",
+    "no-extend-native": "warn",
+    "no-extra-bind": "warn",
+    "no-extra-label": "warn",
+    "no-fallthrough": "warn",
+    "no-floating-decimal": "warn",
+    "no-global-assign": "warn",
+    "no-lone-blocks": "warn",
+    "no-loop-func": "warn",
+    "no-multi-spaces": "warn",
+    "no-new-wrappers": "warn",
+    "no-octal": "warn",
+    "no-self-assign": "warn",
+    "no-self-compare": "warn",
+    "no-sequences": "warn",
+    "no-throw-literal": "warn",
+    "no-useless-call": "warn",
+    "no-unused-labels": "warn",
+    "no-useless-catch": "warn",
+    "no-with": "warn",
+    "wrap-iife": "warn",
+    "yoda": "warn",
+    "no-delete-var": "warn",
+    "no-label-var": "warn",
+    "@typescript-eslint/no-shadow": "warn",
+    "no-undef-init": "warn",
+    "array-bracket-newline": ["warn", "consistent"],
+    "array-bracket-spacing": ["warn", "always"],
+    "block-spacing": ["warn", "always"],
+    "brace-style": ["warn", "1tbs", { "allowSingleLine": false }],
+    "comma-dangle": ["warn", "always-multiline"],
+    "comma-spacing": "warn",
+    "comma-style": ["warn"],
+    "computed-property-spacing": "warn",
+    "eol-last": "warn",
+    "func-call-spacing": "warn",
+    "func-name-matching": "warn",
+    "func-names": ["warn", "as-needed"],
+    "indent": ["warn", 2, { "SwitchCase": 1 }],
+    "key-spacing": "warn",
+    "keyword-spacing": "warn",
+    "new-parens": "warn",
+    "no-array-constructor": "warn",
+    "no-lonely-if": "warn",
+    "no-mixed-operators": "warn",
+    "no-multiple-empty-lines": ["warn", { "max": 1 }],
+    "no-new-object": "warn",
+    "no-trailing-spaces": "warn",
+    "no-unneeded-ternary": "warn",
+    "no-whitespace-before-property": "warn",
+    "object-curly-spacing": ["warn", "always"],
+    "operator-assignment": "warn",
+    "operator-linebreak": "warn",
+    "padded-blocks": ["warn", "never"],
+    "prefer-object-spread": "warn",
+    "quotes": ["warn", "single"],
+    "@typescript-eslint/semi": "warn",
+    "semi-spacing": "warn",
+    "space-before-blocks": "warn",
+    "@typescript-eslint/space-before-function-paren": ["warn", {
+      "anonymous": "never",
+      "named": "never",
+      "asyncArrow": "always"
+    }],
+    "array-element-newline": ["warn", "consistent"],
+    "@typescript-eslint/require-await": "warn",
+    "space-in-parens": "warn",
+    "space-infix-ops": "warn",
+    "space-unary-ops": "warn",
+    "switch-colon-spacing": "warn",
+    "wrap-regex": "warn",
+    "arrow-body-style": ["warn", "as-needed"],
+    "arrow-spacing": "warn",
+    "constructor-super": "warn",
+    "generator-star-spacing": "warn",
+    "no-class-assign": "warn",
+    "no-const-assign": "warn",
+    "@typescript-eslint/no-dupe-class-members": "warn",
+    "no-duplicate-imports": ["warn", { "includeExports": false }],
+    "no-new-symbol": "warn",
+    "no-this-before-super": "warn",
+    "no-useless-computed-key": ["warn", { "enforceForClassMembers": true }],
+    "no-useless-constructor": "off",
+    "@typescript-eslint/no-useless-constructor": "warn",
+    "no-useless-rename": "warn",
+    "no-var": "warn",
+    "object-shorthand": "warn",
+    "prefer-arrow-callback": "warn",
+
+    "prefer-rest-params": "warn",
+    "prefer-spread": "warn",
+    "rest-spread-spacing": ["warn", "never"],
+    "symbol-description": "warn",
+    "template-curly-spacing": "warn",
+    "yield-star-spacing": "warn",
+    "@typescript-eslint/adjacent-overload-signatures": ["warn"],
+    "@typescript-eslint/array-type": ["warn", { "default": "array-simple" }],
+    "@typescript-eslint/explicit-member-accessibility": ["warn", {
+      "accessibility": "explicit",
+      "overrides": {
+        "accessors": "off",
+        "constructors": "no-public",
+        "parameterProperties": "off"
+      }
+    }],
+    "@typescript-eslint/member-delimiter-style": ["warn", {
+      "multiline": {
+        "delimiter": "semi",
+        "requireLast": true
+      },
+      "singleline": {
+        "delimiter": "semi",
+        "requireLast": false
+      }
+    }],
+    "@typescript-eslint/method-signature-style": ["warn", "property"],
+    "@typescript-eslint/no-empty-interface": "warn",
+    "@typescript-eslint/no-extraneous-class": "warn",
+    "@typescript-eslint/no-this-alias": "warn",
+    "@typescript-eslint/no-throw-literal": "warn",
+    "@typescript-eslint/no-unnecessary-type-arguments": "warn",
+    "@typescript-eslint/prefer-includes": "warn",
+    "@typescript-eslint/prefer-optional-chain": "warn",
+    "@typescript-eslint/prefer-string-starts-ends-with": "warn",
+    "@typescript-eslint/type-annotation-spacing": "warn"
+  }
+}

.gitignore

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+node_modules
+src/2022
+src/2023
+src/**/input.txt

.vscode/settings.json

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+{
+  "editor.tabSize": 2,
+  "editor.detectIndentation": false,
+  "typescript.tsdk": "node_modules/typescript/lib",
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  }
+}

package.json

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+{
+  "name": "aoc2022",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "@types/lodash": "^4.14.191",
+    "@types/node": "^18.11.10",
+    "@typescript-eslint/eslint-plugin": "^5.45.0",
+    "@typescript-eslint/parser": "^5.45.0",
+    "chalk": "4",
+    "chokidar": "^3.5.3",
+    "eslint": "^8.29.0",
+    "lodash": "^4.17.21",
+    "ts-node": "^10.9.1",
+    "ts-node-dev": "^2.0.0",
+    "type-fest": "^3.3.0",
+    "typescript": "^4.9.3"
+  }
+}

src/day.ts

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+import { Promisable } from 'type-fest';
+import chalk from 'chalk';
+
+
+export type DayFn = (input: string) => Promisable<any>;
+export type DayOpts = {
+  sampleInput?: string;
+  sampleAnswer?: any;
+  input?: string;
+};
+
+export type Day = {
+  day: DayFn;
+  opts: DayOpts;
+};
+
+export async function runDay(day: Day) {
+  if (typeof day.opts.sampleInput === 'string') {
+    const output = await day.day(day.opts.sampleInput);
+    if (output !== undefined) {
+      console.log('Sample output:');
+      console.log(output);
+      if (day.opts.sampleAnswer) {
+        const passes = output === day.opts.sampleAnswer;
+        console.log('Passes:', passes ? chalk.green.bold`true` : chalk.red.bold`false`);
+      }
+    }
+  }
+
+  if (typeof day.opts.input === 'string') {
+    const output = await day.day(day.opts.input);
+    if (output !== undefined) {
+      console.log('\nReal output:');
+      console.log(output);
+    }
+  }
+
+  console.log('');
+}

src/index.ts

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+const DAY = '2024/day3';
+// read file and -w from argv
+
+import { runDay } from './day';
+import chokidar from 'chokidar';
+
+async function run(clear: boolean): Promise<void> {
+  for (const key of Object.keys(require.cache)) {
+    if (key.includes(__dirname)) {
+      delete require.cache[key];
+    }
+  }
+
+  try {
+    if (clear) {
+      console.clear();
+    }
+
+    console.log(`Running at ${new Date().toLocaleString()}`);
+    const day = require(`./${DAY}`);
+    await runDay(day);
+  } catch (err) {
+    console.error('errored', err);
+  }
+}
+
+chokidar.watch(__dirname, {
+  ignoreInitial: true,
+})
+  .on('change', () => run(true));
+
+run(false);

src/template/template.ts

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+import { readFileSync } from 'fs';
+import { join } from 'path';
+import { DayOpts } from 'src/day';
+
+export function day(input: string): any {
+  const lines = input.split('\n');
+  let sum = 0;
+
+  for (const line of lines) {
+
+  }
+
+  return sum;
+}
+
+export const opts: DayOpts = {
+  input: readFileSync(join(__dirname, './input.txt')).toString(),
+  sampleInput: readFileSync(join(__dirname, './sample.txt')).toString(),
+  sampleAnswer: 0,
+};

src/util.ts

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+export const echo = console.log;
+
+export function mapFill<T>(length: number, filler: { value: T } | ((index: number) => T)): T[] {
+  return Array.from({ length }, (_, i) => (
+    'value' in filler ? filler.value : filler(i)
+  ));
+}
+
+export function range(start: number, end: number): number[] {
+  if (start > end) {
+    throw new Error('start may not be greater than end');
+  }
+
+  return mapFill(end - start, (i) => i + start);
+}
+
+export function clamp(value: number, values: { min?: number; max?: number }): number {
+  if ('min' in values) {
+    value = Math.max(value, values.min);
+  }
+  if ('max' in values) {
+    value = Math.min(value, values.max);
+  }
+
+  return value;
+}

tsconfig.json

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+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Node 18",
+
+  "compilerOptions": {
+    "lib": ["es2022"],
+    "module": "commonjs",
+    "target": "es2022",
+    "baseUrl": ".",
+
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "moduleResolution": "node",
+    "strictPropertyInitialization": false,
+    "strictNullChecks": false
+  }
+}