chore: setup repo structure and dev workflow (#1)

.eslintignore

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+**/*.js

.eslintrc.js

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+module.exports = {
+  root: true,
+  env: {
+    es6: true,
+    'jest/globals': true,
+  },
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 2018,
+    project: "packages/*/tsconfig.json",
+    sourceType: 'module',
+    tsconfigRootDir: __dirname,
+  },
+  plugins: [
+    '@typescript-eslint',
+    'jest',
+  ],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:@typescript-eslint/recommended-requiring-type-checking',
+    'plugin:jest/recommended',
+    'prettier',
+  ],
+  rules: {
+    '@typescript-eslint/member-delimiter-style': 0,
+    '@typescript-eslint/no-explicit-any': 0,
+    '@typescript-eslint/semi': 0,
+    '@typescript-eslint/space-before-function-paren': 0,
+    'comma-dangle': 0,
+    'new-cap': 0,
+    'eol-last': [2, "always"],
+    'no-multiple-empty-lines': [2, { max: 1, maxEOF: 0 }],
+  },
+};

.github/workflows/ci.yml

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+name: Continuous Integration
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Build
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [12.x, 14.x, 16.x]
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Check out git repository
+        uses: actions/checkout@v2
+
+      - name: Cache dependencies
+        uses: actions/cache@v2
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
+
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install project dependencies
+        run: |
+          yarn install --frozen-lockfile
+
+      - name: Build all packages
+        run: |
+          yarn build
+
+      - name: Test all packages
+        run: |
+          yarn test
+
+      - name: Lint all packages
+        run: |
+          yarn lint

.gitignore

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+node_modules/
+
+dist/
+esm
+*.tsbuildinfo

.husky/commit-msg

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+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+yarn commitlint --edit $1

.husky/pre-commit

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+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+yarn lint:staged

.prettierignore

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+*.md

.prettierrc.json

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+{
+  "printWidth": 120,
+  "proseWrap": "always",
+  "singleQuote": true,
+  "trailingComma": "all"
+}

README.md

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+# Amplitude-TypeScript

commitlint.config.js

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+module.exports = {
+  extends: ['@commitlint/config-conventional']
+};

jest.config.js

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+module.exports = {
+  preset: 'ts-jest',
+  transform: {
+    '^.+\\.ts$': 'ts-jest',
+  },
+  moduleFileExtensions: ['ts', 'js', 'json'],
+};

lerna.json

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+{
+  "packages": [
+    "packages/*"
+  ],
+  "version": "independent",
+  "npmClient": "yarn",
+  "useWorkspaces": true
+}

package.json

@@ -1,3 +1,37 @@
 {
-  "private": true
+  "private": true,
+  "workspaces": [
+    "packages/*"
+  ],
+  "scripts": {
+    "build": "lerna run build --stream",
+    "fix": "lerna run fix --stream",
+    "lint": "lerna run lint --stream",
+    "lint:staged": "lint-staged",
+    "postinstall": "husky install",
+    "test": "lerna run test --stream"
+  },
+  "devDependencies": {
+    "@commitlint/cli": "^16.1.0",
+    "@commitlint/config-conventional": "^16.0.0",
+    "@types/jest": "^27.4.0",
+    "@typescript-eslint/eslint-plugin": "^5.10.0",
+    "@typescript-eslint/parser": "^5.10.0",
+    "eslint": "^8.7.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-jest": "^25.7.0",
+    "husky": "^7.0.4",
+    "jest": "^27.4.7",
+    "lerna": "^4.0.0",
+    "lint-staged": "^12.2.2",
+    "prettier": "^2.5.1",
+    "ts-jest": "^27.1.3",
+    "typescript": "^4.5.5"
+  },
+  "lint-staged": {
+    "*.ts": [
+      "eslint --fix",
+      "prettier --write"
+    ]
+  }
 }

packages/core/README.md

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+# @amplitude/core

packages/core/jest.config.js

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+const baseConfig = require('../../jest.config.js');
+const package = require('./package');
+
+module.exports = {
+  ...baseConfig,
+  displayName: package.name,
+  rootDir: '.',
+  testEnvironment: 'node',
+};

packages/core/package.json

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+{
+  "name": "@amplitude/core",
+  "version": "0.0.0",
+  "description": "",
+  "author": "Amplitude Inc",
+  "homepage": "https://github.com/amplitude/Amplitude-TypeScript",
+  "license": "MIT",
+  "main": "dist/index.js",
+  "module": "esm/index.js",
+  "types": "dist/index.d.ts",
+  "publishConfig": {
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/amplitude/Amplitude-TypeScript.git"
+  },
+  "scripts": {
+    "build": "yarn build:es5 & yarn build:esm",
+    "build:es5": "tsc -p ./tsconfig.es5.json",
+    "build:esm": "tsc -p ./tsconfig.esm.json",
+    "fix": "yarn fix:eslint & yarn fix:prettier",
+    "fix:eslint": "eslint '{src,test}/**/*.ts' --fix",
+    "fix:prettier": "prettier --write \"{src,test}/**/*.ts\"",
+    "lint": "yarn lint:eslint & yarn lint:prettier",
+    "lint:eslint": "eslint '{src,test}/**/*.ts'",
+    "lint:prettier": "prettier --check \"{src,test}/**/*.ts\"",
+    "test": "jest",
+    "typecheck": "tsc -p ./tsconfig.json"
+  },
+  "bugs": {
+    "url": "https://github.com/amplitude/Amplitude-TypeScript/issues"
+  }
+}

packages/core/src/AmplitudeCore.ts

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+class AmplitudeCore {}
+
+export default AmplitudeCore;

packages/core/src/index.ts

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+import AmplitudeCore from './AmplitudeCore';
+
+export { AmplitudeCore };

packages/core/test/AmplitudeCore.test.ts

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+import AmplitudeCore from '../src/AmplitudeCore';
+
+describe('index', () => {
+  describe('AmplitudeCore', () => {
+    test('should instantiate AmplitudeCore', () => {
+      const instance = new AmplitudeCore();
+      expect(instance).toBeDefined();
+    });
+  });
+});

packages/core/test/index.test.ts

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+import { AmplitudeCore } from '../src/index';
+
+describe('index', () => {
+  describe('AmplitudeCore', () => {
+    test('should export AmplitudeCore', () => {
+      const instance = new AmplitudeCore();
+      expect(instance).toBeDefined();
+    });
+  });
+});

packages/core/tsconfig.es5.json

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+{
+  "extends": "./tsconfig.json",
+  "include": ["src/**/*"],
+  "compilerOptions": {
+    "module": "commonjs",
+    "noEmit": false,
+    "outDir": "dist",
+    "rootDir": "./src"
+  }
+}

packages/core/tsconfig.esm.json

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+{
+  "extends": "./tsconfig.json",
+  "include": ["src/**/*"],
+  "compilerOptions": {
+    "module": "es6",
+    "noEmit": false,
+    "outDir": "esm",
+    "rootDir": "./src"
+  }
+}

packages/core/tsconfig.json

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+{
+  "extends": "../../tsconfig.json",
+  "include": ["src/**/*", "test/**/*"],
+  "compilerOptions": {
+    "baseUrl": ".",
+    "noEmit": true,
+    "rootDir": "."
+  }
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    "alwaysStrict": false,
+    "declaration": true,
+    "declarationMap": true,
+    "downlevelIteration": true,
+    "inlineSources": true,
+    "importHelpers": true,
+    "lib": ["es6"],
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "noEmitHelpers": true,
+    "noFallthroughCasesInSwitch": true,
+    "noImplicitAny": true,
+    "noImplicitReturns": true,
+    "noImplicitUseStrict": true,
+    "noImplicitThis": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "pretty": true,
+    "sourceMap": true,
+    "resolveJsonModule": true,
+    "strict": true,
+    "strictBindCallApply": true,
+    "target": "es5",
+    "types": ["jest"],
+  }
+}