iamssen’s gists

iamssen / replace-all-import-extensions.ts

Last active April 4, 2025 20:22

TypeScript Import/Export Extension Replacer: Convert .js to .ts/.tsx Automatically

 import { copy } from 'fs-extra';
 import fs from 'node:fs';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 import ts from 'typescript';
 // Obtain current file path and directory using ES module APIs
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);

iamssen / loader.mjs

Created June 5, 2024 05:39

Handling Import Aliases in Node.js ESM without NODE_PATH: A Practical Example

	import generateAliasesResolver from 'esm-module-alias';
	import { glob } from 'glob';

	// TODO Create an aliases map { '@dir/a': 'dist/@dir/a/index.js', '@dir/b': 'dist/@dir/b/index.js', ... }
	const aliases = glob
	.sync('dist/@//index.js', { cwd: import.meta.dirname })
	.reduce((a, jsfile) => {
	a[jsfile.substring(13, jsfile.length - 9)] = jsfile;
	return a;
	}, {});

iamssen / etag-cache-server-example.mts

Created June 5, 2024 04:55

Using HTTP ETag to Control Cache in a Koa Server Example

	import cors from '@koa/cors';
	import Router from '@koa/router';
	import fs from 'fs';
	import https from 'https';
	import Koa from 'koa';
	import { DateTime } from 'luxon';

	const app = new Koa();
	const router = new Router();

iamssen / media-query-template.css

Created February 28, 2023 02:51 — forked from mavieth/media-query-template.css

Media Query Template for Basic CSS

	/**
	* Basic CSS Media Query Template
	* TODO: I should probably use Sass...
	* Author: Michael Vieth
	* ------------------------------------------
	* Responsive Grid Media Queries - 1280, 1024, 768, 480
	* 1280-1024 - desktop (default grid)
	* 1024-768 - tablet landscape
	* 768-480 - tablet
	* 480-less - phone landscape & smaller

iamssen / test.ts

Created September 19, 2022 05:33

node-cron time matcher test

	import { describe, test, expect } from 'vitest';
	import TimeMatcher from 'node-cron/src/time-matcher';

	describe('node-cron TimeMatcher test', () => {
	test('should match times', async () => {
	const seoul = new TimeMatcher('* 9-16 * * 1-5', 'Asia/Seoul');
	expect(seoul.match(new Date('2022-09-18T12:38+09:00'))).toBeFalsy(); // is sunday
	expect(seoul.match(new Date('2022-09-19T12:38+09:00'))).toBeTruthy(); // is monday
	expect(seoul.match(new Date('2022-09-19T08:59+09:00'))).toBeFalsy();

iamssen / stream-pipe.ts

Last active May 6, 2021 00:09

typescript stream-pipe

	import { ObservableInput, isObservable, Observable } from 'rxjs';

	export type OperatorReturn<R> = ObservableInput<R> \| R extends ObservableInput<
	infer U
	>
	? U
	: R;

	export type Operator<T, R> = (params: T) => OperatorReturn<R>;

iamssen / sample.js

Last active August 29, 2020 16:22

Sample Snippet

iamssen / 6-json-request.ts

Created December 15, 2019 08:19

Understanding HTTP using Node.js "net" 6. Json Request

	import Koa from 'koa';
	import koaBody from 'koa-body';
	import Router from 'koa-router';
	import { Socket } from 'net';

	const port: number = 9903;

	// ---------------------------------------------
	// server
	// ---------------------------------------------

iamssen / 5-multipart-form-data-request.ts

Last active December 15, 2019 08:13

Understanding HTTP using Node.js "net" 5. Multi-Part Form Data Request

	import fs, { ReadStream, WriteStream } from 'fs-extra';
	import Koa from 'koa';
	import Body from 'koa-body';
	import Router from 'koa-router';
	import { Socket } from 'net';
	import os from 'os';
	import path from 'path';

	const port: number = 9903;

iamssen / 4-multipart-form-data.ts

Created December 13, 2019 14:13

Understanding HTTP using Node.js "net" 4. Multi-Part Form Data

	import { createServer, Server } from 'net';

	const port: number = 9903;

	// ---------------------------------------------
	// server
	// ---------------------------------------------
	const form: string = `
	<html>
	<body>

Seo Yeon, Lee iamssen