mmyoji

/**
 * @example
 * ```ts
 * const POST_STATE = {
 *   DRAFT: 0,
 *   PUBLISHED: 1,
 *   // ...
 * } as const;
 * type PostState = (typeof POST_STATE)[keyof typeof POST_STATE];
 *

mmyoji

express.js official migration guide is not sufficient yet.

Regexp in route path cannot be used

• Check manually in your RequestHandler
• Be careful declaration order

// users.router.ts
import { Router } from "express";

mmyoji

import { assertEquals } from "jsr:@std/assert";

import { paginate } from "./pagination.ts";

Deno.test(function paginateTest() {
  assertEquals(paginate(1, 1), [1]);

  assertEquals(paginate(1, 2), [1, 2]);
  assertEquals(paginate(2, 2), [1, 2]);

mmyoji

#!/bin/bash

function print_multiline() {
    local text=$(cat <<'EOF'
```
# Markdown Text

- one
- two
```

mmyoji

timestamps: boolean behaviours on Sequelize (v5)

• MySQL v5.7
• [email protected]

const { Sequelize, DataTypes, literal } = require("sequelize");

const sequelize = new Sequelize({/* ... */});

mmyoji

/**
 * ref: https://www.freecodecamp.org/news/javascript-range-create-an-array-of-numbers-with-the-from-method/
 *
 * # Example
 *
 * ```ts
 * import { range } from "./main.ts";
 *
 * range(1, 5);
 * // [1, 2, 3, 4, 5]

mmyoji

/**
 * LCM ... Least Common Multiple (最小公倍数)
 * GCD ... Greatest Common Divisor (最大公約数)
 *
 * LCM = (A * B) / GCD
 */

function _findGCD(a: number, b: number): number {
  if (a === 0) return b;
  if (b === 0) return a;

mmyoji

// https://deno.com/blog/queues

function listenQueue<T>(fn: (msg: T) => Promise<void>) {
  //
}


// lib/kv/queue/_core.ts
const messageTypes = {
  foo: "foo",

mmyoji

// see https://deno.land/std/datetime/constants.ts?source
const MILLISECOND = 1;
const SECOND = MILLISECOND * 1e3;
const MINUTE = SECOND * 60;
const HOUR = MINUTE * 60;
const DAY = HOUR * 24;
const WEEK = DAY * 7;

type Unit =
  | "milliseconds"

mmyoji

Steps

[Optional] Uninstall Docker Desktop

1. Start Docker Desktop
2. Remove all docker resources (e.g., docker container prune)
3. Stop Docker Desktop
4. rm -rf ~/.docker

Install Docker in WSL2