elzup elzup

## _app.tsx
import { AppProps } from 'next/app'
import Head from 'next/head'

const App = ({ Component, pageProps }: AppProps) => (
  <>
    <Head>
      <meta
        name="viewport"
        content="width=device-width, initial-scale=1, shrink-to-fit=no"
      />

## 0->100 arrow functions
...
checks
// no args
// block
// implicit parameter
// assign

## day-per-year
1/19 [ 19] => 0.0006 = (0.0526 - 0.0521)
4/14 [104] => 0.0008 = (0.2857 - 0.2849)
8/13 [225] => 0.0011 = (0.6154 - 0.6164)
3/15 [ 74] => 0.0027 = (0.2000 - 0.2027)
2/16 [ 47] => 0.0038 = (0.1250 - 0.1288)
1/20 [ 20] => 0.0048 = (0.0500 - 0.0548)
1/18 [ 18] => 0.0062 = (0.0556 - 0.0493)
7/13 [194] => 0.0070 = (0.5385 - 0.5315)
2/15 [ 46] => 0.0073 = (0.1333 - 0.1260)
9/13 [256] => 0.0091 = (0.6923 - 0.7014)

## node.yml
name: Node CI

on:
  push:
    branches:
      - main
    paths-ignore:
      - '**/readme.md'

jobs:

## tsconfig.json
{
  "compilerOptions": {
    "allowJs": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "strict": true,
    "forceConsistentCasingInFileNames": true,
    "moduleResolution": "node",
    "resolveJsonModule": true,

## flow-5s-to-1s.json
[
    {
        "id": "877f0c504eb0eb9e",
        "type": "websocket out",
        "z": "bf3d520d6566704c",
        "name": "",
        "server": "b94d746ecdec7aad",
        "client": "",
        "x": 910,
        "y": 220,

## n-node-install.sh
# install n
sudo apt install -y nodejs npm
sudo npm install n -g

# install node by n
sudo n stable
sudo apt purge -y nodejs npm

# reload
exec $SHELL -l

## map.ts
    const a = [
      { name: 'a', age: 10 },
      { name: 'b', age: 20 },
    ]

    a.map((p) => {
      const len = p.name.length
      const id = `${p.name}-${p.age}`
      const ageDouble = p.age * 2

## suwarippa-flow.json
[ { "id": "f6f2187d.f17ca8", "type": "tab", "label": "Swarippa", "disabled": false, "info": "", "env": [] }, { "id": "19e47bd1eea2e757", "type": "http request", "z": "f6f2187d.f17ca8", "name": "Slack Webhook - elzup", "method": "POST", "ret": "txt", "paytoqs": "ignore", "url": "${SLACK_URL}", "tls": "", "persist": false, "proxy": "", "authType": "", "senderr": false, "x": 1050, "y": 1180, "wires": [ [] ] }, { "id": "803d03164af5eb1a", "type": "change", "z": "f6f2187d.f17ca8", "name": "", "rules": [ { "t": "set", "p": "payload", "pt": "msg", "to": "{\"text\":\"動いて！\",\"icon_emoji\":\":chair:\",\"username\":\"座りっぱ執事\"}", "tot": "json" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 820, "y": 1180, "wires": [ [ "19e47bd1eea2e757", "29d5897e04face4f" ] ] }, { "id": "29d5897e04face4f", "type": "debug", "z": "f6f2187d.f17ca8", "name": "debug log", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "payload", "targetType": "msg", "statusVal": "", "statusTy

## async-sleep.ts
import { promisify } from 'util'

const sleep = (ms: number) => new Promise(r => setTimeout(r, ms))

const argSwap = <A1, A2, R>(f: (a1: A1, a2: A2) => R) => (a2: A2, a1: A1) =>
  f(a1, a2)
const sleep2 = promisify((ms, cb) => setTimeout(cb, ms))

const sleep3 = promisify(argSwap(setTimeout))
	import { AppProps } from 'next/app'
	import Head from 'next/head'

	const App = ({ Component, pageProps }: AppProps) => (
	<>
	<Head>
	<meta
	name="viewport"
	content="width=device-width, initial-scale=1, shrink-to-fit=no"
	/>
	1/19 [ 19] => 0.0006 = (0.0526 - 0.0521)
	4/14 [104] => 0.0008 = (0.2857 - 0.2849)
	8/13 [225] => 0.0011 = (0.6154 - 0.6164)
	3/15 [ 74] => 0.0027 = (0.2000 - 0.2027)
	2/16 [ 47] => 0.0038 = (0.1250 - 0.1288)
	1/20 [ 20] => 0.0048 = (0.0500 - 0.0548)
	1/18 [ 18] => 0.0062 = (0.0556 - 0.0493)
	7/13 [194] => 0.0070 = (0.5385 - 0.5315)
	2/15 [ 46] => 0.0073 = (0.1333 - 0.1260)
	9/13 [256] => 0.0091 = (0.6923 - 0.7014)
	name: Node CI

	on:
	push:
	branches:
	- main
	paths-ignore:
	- '**/readme.md'

	jobs:
	{
	"compilerOptions": {
	"allowJs": true,
	"skipLibCheck": true,
	"esModuleInterop": true,
	"allowSyntheticDefaultImports": true,
	"strict": true,
	"forceConsistentCasingInFileNames": true,
	"moduleResolution": "node",
	"resolveJsonModule": true,
	[
	{
	"id": "877f0c504eb0eb9e",
	"type": "websocket out",
	"z": "bf3d520d6566704c",
	"name": "",
	"server": "b94d746ecdec7aad",
	"client": "",
	"x": 910,
	"y": 220,
	# install n
	sudo apt install -y nodejs npm
	sudo npm install n -g

	# install node by n
	sudo n stable
	sudo apt purge -y nodejs npm

	# reload
	exec $SHELL -l
	const a = [
	{ name: 'a', age: 10 },
	{ name: 'b', age: 20 },
	]

	a.map((p) => {
	const len = p.name.length
	const id = `${p.name}-${p.age}`
	const ageDouble = p.age * 2
	import { promisify } from 'util'

	const sleep = (ms: number) => new Promise(r => setTimeout(r, ms))

	const argSwap = <A1, A2, R>(f: (a1: A1, a2: A2) => R) => (a2: A2, a1: A1) =>
	f(a1, a2)
	const sleep2 = promisify((ms, cb) => setTimeout(cb, ms))

	const sleep3 = promisify(argSwap(setTimeout))