hisasann

import EventEmitter from 'eventemitter3';

class PromiseEmitter extends EventEmitter {
  emit(event, ...args) {
    let promises = [];

    this.listeners(event).forEach((listener) => {
      promises.push(listener(...args));
    });

hisasann

originの状態を確認する
git remote show origin
  pullやpushがどう紐付いているか確認できる

ローカルに作ったブランチをリモートに反映
git push origin feature/a

リモートから削除されたブランチをローカルにも反映
git fetch -p
これも同じみたい（プル?ン）

hisasann

const array = ['foo'];
array.hoge = 'hoge';

// あくまでも配列の順番通りに変数が割り振られる
// foo という key を抜き取ってきているわけではない
const [ foo ] = array;
// hoge という key を取ってきている
const { hoge } = array;

console.log(foo);   // foo

hisasann

if has('gui_macvim')
  set transparency=10
  set guifont=Ricty\ Regular\ for\ Powerline:h13
  set guioptions-=T
endif

hisasann

NeoBundle 'vim-airline/vim-airline'
NeoBundle 'vim-airline/vim-airline-themes'

"---------------------------------------------------------------------------
" for bling/vim-airline {{{
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif
let g:airline_section_a = airline#section#create(['mode','','branch'])
let g:airline#extensions#tabline#enabled = 1

hisasann

'use strict'

const crypto = require('crypto');
const fs = require('fs');
const shasum = crypto.createHash('sha1');

const app_a = __dirname + '/path/to/file.txt';
fs.readFile(app_a, (err, data) => {
  shasum.update(data);
  console.log(app_a, shasum.digest('hex'));

hisasann

// https://lab.syncer.jp/Web/JavaScript/Snippet/66/
/**
 * rgb から hsv に変換する
 * @param {[number]} rgb
 * @returns {[number]}
 */
const rgb2hsv = (rgb: [number, number, number]) => {
  const r: number = rgb[0] / 255;
  const g: number = rgb[1] / 255;
  const b: number = rgb[2] / 255;

hisasann

var ColorThief = require('color-thief-jimp');
var Jimp = require('jimp');

Jimp.read(imageFilepathOrUrl, (err, sourceImage) => {
  if (err) {
    console.error(err);
    return;
  }

  var dominantColor = ColorThief.getColor(sourceImage);

hisasann

const { registerFont, createCanvas, loadImage } = require('canvas');
const fs = require('fs')

registerFont('./fonts/sazanami/sazanami-gothic.ttf', {family: 'Sazanami Gothic'});
const canvas = createCanvas(500, 500);
const ctx = canvas.getContext('2d');

// Draw cat with lime helmet
loadImage('images/lemon-sour.jpg').then((image) => {
  ctx.drawImage(image, 0, 0, 500, 500);

hisasann

version: 0.2

env:
  variables:
    PJ_NAME: "aws-ecs-sample-app"
    REPO_NAME: "ここに数字.dkr.ecr.ap-northeast-1.amazonaws.com/aws-ecs-sample-app"

phases:
  install:
    commands: