init

.eslintrc.js

@@ -0,0 +1,20 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  settings: {
+      react: {
+          version: 'detect'
+      }
+  },
+  parserOptions: {
+      project: './tsconfig.json',
+  },
+  plugins: ['@typescript-eslint'],
+  extends: [
+      'plugin:react/recommended',
+      'plugin:@typescript-eslint/recommended',
+  ],
+  rules: {
+      // Overwrite rules specified from the extended configs e.g. 
+      "@typescript-eslint/explicit-function-return-type": "off",
+  }
+}

.gitignore

@@ -0,0 +1,101 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# gatsby files
+.cache/
+public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port

.prettierrc

@@ -0,0 +1,10 @@
+{
+	"trailingComma": "es5",
+	"printWidth": 120,
+	"semi": true,
+	"useTabs": false,
+	"tabWidth": 2,
+	"singleQuote": true,
+	"bracketSpacing": true,
+	"jsxBracketSameLine": false
+}

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "editor.formatOnSave": true,
+  "vetur.format.defaultFormatter.html": "prettier",
+  "vetur.format.defaultFormatter.scss": "prettier",
+  "vetur.format.defaultFormatter.js": "prettier"
+}

README.md

@@ -0,0 +1,41 @@
+# TypeScript 练习
+
+## prettier 配置
+
+https://prettier.io/docs/en/options.html
+
+## tsconfig 配置
+
+http://www.typescriptlang.org/docs/handbook/tsconfig-json.html
+
+```js
+{
+  "compilerOptions": {
+    "target": "es5",                            // 指定 ECMAScript 目标版本: 'ES5'
+    "module": "commonjs",                       // 指定使用模块: 'commonjs', 'amd', 'system', 'umd' or 'es2015'
+    "moduleResolution": "node",                 // 选择模块解析策略
+    "experimentalDecorators": true,             // 启用实验性的ES装饰器
+    "allowSyntheticDefaultImports": true,       // 允许从没有设置默认导出的模块中默认导入。
+    "sourceMap": true,                          // 把 ts 文件编译成 js 文件的时候，同时生成对应的 map 文件
+    "strict": true,                             // 启用所有严格类型检查选项
+    "noImplicitAny": true,                      // 在表达式和声明上有隐含的 any类型时报错
+    "alwaysStrict": true,                       // 以严格模式检查模块，并在每个文件里加入 'use strict'
+    "declaration": true,                        // 生成相应的.d.ts文件
+    "removeComments": true,                     // 删除编译后的所有的注释
+    "noImplicitReturns": true,                  // 不是函数的所有返回路径都有返回值时报错
+    "importHelpers": true,                      // 从 tslib 导入辅助工具函数
+    "lib": ["es6", "dom"],                      // 指定要包含在编译中的库文件
+    "typeRoots": ["node_modules/@types"],
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": [                                  // 需要编译的ts文件一个*表示文件匹配**表示忽略文件的深度问题
+    "./src/**/*.ts"
+  ],
+  "exclude": [
+    "node_modules",
+    "dist",
+    "**/*.test.ts",
+  ]
+}
+```

package.json

@@ -0,0 +1,14 @@
+{
+  "name": "ts-study",
+  "version": "1.0.0",
+  "description": "",
+  "main": "src/index.ts",
+  "scripts": {
+    "build": "tsc",
+    "build:w": "tsc -w"
+  },
+  "dependencies": {
+    "prettier": "^1.19.1",
+    "typescript": "^3.7.2"
+  }
+}

src/index.ts

@@ -0,0 +1,9 @@
+/* // 没有执行 person 的类型会报错
+function greeter1(person) {
+	return 'Hello, ' + person;
+}
+ */
+
+function greeter2(person: string) {
+  return 'Hello, ' + person;
+}

tsconfig.json

@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    "target": "es5",                           
+    "module": "commonjs",                      
+    "moduleResolution": "node",                 
+    "experimentalDecorators": true,             
+    "allowSyntheticDefaultImports": true,       
+    "sourceMap": true,                          
+    "strict": true,                            
+    "noImplicitAny": true,                      
+    "alwaysStrict": true,                      
+    "declaration": true,        
+    "removeComments": true,                    
+    "noImplicitReturns": true,                  
+    "importHelpers": true,                     
+    "lib": ["es6", "dom"],                     
+    "typeRoots": ["node_modules/@types"],
+    "outDir": "./dist",
+    "rootDir": "./src"
+  },
+  "include": [                                  
+    "./src/**/*.ts"
+  ],
+  "exclude": [
+    "node_modules",
+    "dist",
+    "**/*.test.ts",
+  ]
+}

yarn.lock

@@ -0,0 +1,13 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+prettier@^1.19.1:
+  version "1.19.1"
+  resolved "https://registry.npm.taobao.org/prettier/download/prettier-1.19.1.tgz?cache=0&sync_timestamp=1573302169507&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fprettier%2Fdownload%2Fprettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
+  integrity sha1-99f1/4qc2HKnvkyhQglZVqYHl8s=
+
+typescript@^3.7.2:
+  version "3.7.2"
+  resolved "https://registry.npm.taobao.org/typescript/download/typescript-3.7.2.tgz?cache=0&sync_timestamp=1574234143383&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ftypescript%2Fdownload%2Ftypescript-3.7.2.tgz#27e489b95fa5909445e9fef5ee48d81697ad18fb"
+  integrity sha1-J+SJuV+lkJRF6f717kjYFpetGPs=