Set up project skeleton for flipper-pkg

Summary: TypeScript cli tool basics.

Reviewed By: jknoxville, nikoant

Differential Revision: D19856513

fbshipit-source-id: da148d1435c09221f74dc94285b655bed53d0494

pkg/.gitignore

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+/lib
+/node_modules/

pkg/jestconfig.json

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+{
+  "transform": {
+    "^.+\\.(t|j)sx?$": "ts-jest"
+  },
+  "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$",
+  "moduleFileExtensions": ["ts", "tsx", "js", "jsx", "json", "node"]
+}

pkg/package.json

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+{
+  "name": "flipper-pkg",
+  "version": "0.0.0",
+  "description": "Utility for building and publishing Flipper plugins",
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
+  "license": "MIT",
+  "devDependencies": {
+    "@types/jest": "^24.0.21",
+    "@typescript-eslint/eslint-plugin": "^2.8.0",
+    "eslint": "^6.6.0",
+    "eslint-plugin-babel": "^5.3.0",
+    "eslint-plugin-flowtype": "^4.5.2",
+    "eslint-plugin-header": "^3.0.0",
+    "eslint-plugin-jsx-a11y": "^6.2.3",
+    "eslint-plugin-prettier": "^3.1.1",
+    "eslint-plugin-react": "^7.16.0",
+    "jest": "^24.9.0",
+    "prettier": "^1.19.1",
+    "ts-jest": "^24.1.0",
+    "tslint-config-prettier": "^1.18.0",
+    "typescript": "^3.7.2"
+  },
+  "scripts": {
+    "build": "tsc",
+    "prepare": "yarn run build",
+    "prepublishOnly": "yarn test && yarn run lint",
+    "preversion": "yarn run lint",
+    "test": "jest --config jestconfig.json --passWithNoTests",
+    "lint": "eslint -c ../../sonar/.eslintrc.js src/**/* --ext .js,.ts  && tsc --noemit",
+    "fix": "eslint -c ../../sonar/.eslintrc.js src/**/* --fix --ext .js,.ts",
+    "run": "yarn run build && node lib/index.js"
+  },
+  "files": [
+    "lib/**/*"
+  ],
+  "keywords": [
+    "Flipper"
+  ],
+  "author": "Facebook, Inc",
+  "dependencies": {
+    "@types/node": "^12.12.12"
+  }
+}

pkg/src/index.ts

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+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+(async () => {
+  console.log('Hello, flipper-pkg.');
+})();

pkg/tsconfig.json

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+{
+  "compilerOptions": {
+    "lib": ["es7", "dom", "es2017"],
+    "target": "es5",
+    "module": "commonjs",
+    "declaration": true,
+    "outDir": "./lib",
+    "strict": true
+  },
+  "include": ["src"],
+  "exclude": ["node_modules", "**/__tests__/*"]
+}

pkg/tslint.json

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+{
+   "extends": ["tslint:recommended", "tslint-config-prettier"]
+}