Typescript Setup

Author: ayubun

.eslintrc.js

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+module.exports = {
+    env: {
+        es6: true,
+        node: true,
+    },
+    extends: [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended",
+        "plugin:@typescript-eslint/recommended-requiring-type-checking",
+        "plugin:import/errors",
+        "plugin:import/warnings",
+        "plugin:import/typescript",
+    ],
+    parser: "@typescript-eslint/parser",
+    parserOptions: {
+        project: "tsconfig.json",
+        sourceType: "module",
+    },
+    plugins: [
+        "@typescript-eslint",
+        "prefer-arrow",
+    ],
+    rules: {
+        "@typescript-eslint/array-type": "error",
+        "@typescript-eslint/ban-types": "off",
+        "@typescript-eslint/consistent-type-assertions": "error",
+        "@typescript-eslint/consistent-type-definitions": ["error", "interface"],
+        "@typescript-eslint/dot-notation": "error",
+        "@typescript-eslint/explicit-member-accessibility": "error",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
+        "@typescript-eslint/member-delimiter-style": "error",
+        "@typescript-eslint/no-explicit-any": "off",
+        "@typescript-eslint/no-floating-promises": "error",
+        "@typescript-eslint/no-inferrable-types": "off",
+        "@typescript-eslint/no-namespace": "off",
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "@typescript-eslint/no-shadow": ["error"],
+        "@typescript-eslint/no-unsafe-assignment": "off",
+        "@typescript-eslint/no-unsafe-call": "off",
+        "@typescript-eslint/no-unsafe-member-access": "off",
+        "@typescript-eslint/no-unsafe-return": "off",
+        "@typescript-eslint/no-unused-expressions": "error",
+        "no-unused-vars": "off",
+        "@typescript-eslint/no-unused-vars": ["error", {
+            vars: "all",
+            args: "none",
+            ignoreRestSiblings: false,
+        }],
+        "@typescript-eslint/prefer-for-of": "error",
+        "@typescript-eslint/prefer-function-type": "error",
+        "@typescript-eslint/prefer-regexp-exec": "off",
+        "@typescript-eslint/quotes": ["error", "double", {
+            avoidEscape: true,
+            allowTemplateLiterals: true,
+        }],
+        "@typescript-eslint/require-await": "off",
+        "@typescript-eslint/restrict-template-expressions": "off",
+        "@typescript-eslint/semi": ["error", "always", {
+            omitLastInOneLineBlock: false,
+        }],
+        "@typescript-eslint/type-annotation-spacing": "error",
+        "@typescript-eslint/unified-signatures": "error",
+        "arrow-body-style": "error",
+        "arrow-parens": ["error", "as-needed"],
+        "brace-style": "error",
+        "comma-dangle": ["error", "always-multiline"],
+        "curly": "error",
+        "eol-last": "error",
+        "eqeqeq": "error",
+        "guard-for-in": "error",
+        "import/order": "error",
+        "max-len": ["error", {
+            code: 140,
+        }],
+        "new-parens": "error",
+        "no-caller": "error",
+        // "no-console": "error",
+        "no-constant-condition": "off",
+        "no-eval": "error",
+        "no-multiple-empty-lines": "error",
+        "no-new-wrappers": "error",
+        "no-throw-literal": "error",
+        "no-trailing-spaces": "error",
+        "no-undef-init": "error",
+        "no-useless-rename": "error",
+        "object-curly-spacing": ["error", "always"],
+        "object-shorthand": "error",
+        "one-var": ["error", "never"],
+        "prefer-arrow/prefer-arrow-functions": "error",
+        "prefer-arrow-callback": "error",
+        "prefer-const": ["error", {
+            destructuring: "all",
+        }],
+        "quote-props": ["error", "consistent-as-needed"],
+        "radix": "error",
+        "space-before-function-paren": ["error", {
+            anonymous: "never",
+            asyncArrow: "always",
+            named: "never",
+        }],
+        "spaced-comment": ["error", "always", {
+            markers: ["/"],
+            block: {
+                balanced: true,
+            },
+        }],
+    },
+};

.gitignore

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+/dist/
+/node_modules/
+config.json

package.json

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+{
+  "name": "violet",
+  "version": "1.0.0",
+  "main": "index.js",
+  "repository": "[email protected]:AyuAi/violet.git",
+  "author": "Ayu <[email protected]>",
+  "license": "MIT",
+  "private": true,
+  "dependencies": {
+    "@types/chai": "^4.2.22",
+    "chai": "^4.3.4",
+    "chai-as-promised": "^7.1.1",
+    "mocha": "^9.1.3",
+    "ts-node": "^10.4.0",
+    "typescript": "^4.4.4"
+  },
+  "scripts": {
+    "start": "ts-node src/index.ts",
+    "start:dev": "ts-node-dev --watch src/**/*.{ts,js} src/index.ts",
+    "build": "yarn tsc",
+    "newstart": "yarn build && yarn start",
+    "test": "mocha --require ts-node/register --timeout 10000 test/**/*.spec.ts"
+  },
+  "devDependencies": {
+    "@types/node": "^16.11.7",
+    "eslint-plugin-import": "^2.25.3",
+    "eslint-plugin-prefer-arrow": "^1.2.3"
+  }
+}

src/index.ts

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+console.log("Hello world");

tsconfig.json

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+{
+    "compilerOptions": {
+      "baseUrl": ".",
+      "rootDir": "src",
+      "outDir": "dist",
+      "module": "commonjs",
+      "target": "es2020",
+      "lib": ["es2020"],
+      "moduleResolution": "node",
+      "sourceMap": true,
+      "strict": true,
+      "alwaysStrict": true,
+      "noImplicitReturns": true,
+      "preserveConstEnums": true,
+      "esModuleInterop": true,
+      "resolveJsonModule": true
+    },
+    "include": [
+      "./src/**/*",
+      "./test/**/*",
+      "./.eslintrc.js",
+    ],
+}