onionmk2

import React from 'react'
import NavLink from './NavLink'
import Repo from './Repo'

export default React.createClass({
  propTypes: {
    children: React.PropTypes.oneOfType([
      React.PropTypes.arrayOf(React.PropTypes.instanceOf(Repo)),
      React.PropTypes.instanceOf(Repo)
    ])

onionmk2

const DOMPurify = require('dompurify');
const React = require('react');
const ReactDOM = require('react-dom');
const Remarkable = require('remarkable');

const Comment = React.createClass({
  propTypes: {
    author: React.PropTypes.string.isRequired,
    children: React.PropTypes.string.isRequired,
  },

onionmk2

const Http = require('http');
const Url = require('url');
const Path = require('path');
const Fs   = require('fs');

const COMMENTS_FILE = 'comments.json';

const server = Http.createServer(function requestListener(inComingMessage, serverResponse) {
  console.log(inComingMessage.method, inComingMessage.url, `at ${new Date()}`);
  console.log(inComingMessage.headers);

onionmk2

@function str-replace($string, $search, $replace: '') {
  $index: str-index($string, $search);

  @if $index {
    @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
  }
  @return $string;
}

onionmk2

class Trip {
  destination: string;
  startDate: Date;

  constructor(destination, startDate) {
    this.destination = destination;
    this.startDate = startDate;
  }

  prepare(preparers) {

onionmk2

{
  "compilerOptions": {
    "outDir": "./dist/",
    "module": "commonjs",
    "target": "es5",
    "noImplicitAny": true,
    "inlineSourceMap": true,
    "experimentalDecorators": true,
    "jsx": "react",
    "pretty": true,

onionmk2

/*
  #1 関数宣言
   function funcName() : returnType => {}
*/
function funcName    (x)                 {}
function funcNameTs(x: number): number { return x;}

/*
  #2 関数式
*/

onionmk2

let fs = require('fs');

function log(targat) {
  const target = targat.prototype;
  const fileName = __dirname + '/dist/' + target.constructor.name + '.txt';

  const props = Object.getOwnPropertyDescriptors(target);
  const str = Object.keys(props).join('\n');
  fs.createWriteStream(fileName).write(str);
}

onionmk2

型定義マネージメントの変遷

1. tsd ２世代前。
2. typings 1世代前。
3. @types 今の方法。

@types とは

http://qiita.com/laco0416/items/ed1aadf335f12cd3618d

npm install -D @types/angularjs とか

onionmk2

/*
 TSのインターフェースとは 以下２つのうちのいずれか。

 1. 抽象的な型。 プロパティの名前・型を指定した、JSオブジェクト。
 2. 引数と戻り値の型を明示した、Functionオブジェクト。

  http://stackoverflow.com/questions/41082804/does-typescript-interface-have-anonymous-and-named-function/41082880#41082880
 */

// 1. JSオブジェクト