druchan chandru89new

writes code and helps build things on the interwebs for fun and profit.

chandru89new / okta.go

Created October 16, 2023 22:19

saml2

	// Copyright 2016 Russell Haering et al.
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// https://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,

chandru89new / wordle-prevent-keypress.js

Created August 11, 2023 18:01

prevent wordle keypress for used-but-not-present alphabets

	let preventThisKey = (e) => {
	if (Array.from(document.querySelectorAll('button[data-state="absent"]')).map((el) => el.innerText.toLowerCase()).includes(e.key)) {
	e.stopPropagation();
	e.preventDefault();
	}
	};
	document.addEventListener("keydown", preventThisKey);

chandru89new / index.js

Created August 4, 2023 03:38

concurrent promises with limit

	const groupsOf =
	(number = 0) =>
	(arr = []) => {
	return arr.reduce(
	(acc, curr, idx) => {
	const step_ = acc.step.concat(curr);
	if (idx === arr.length - 1 \|\| step_.length === number) {
	return { final: acc.final.concat([step_]), step: [] };
	}
	return { final: acc.final, step: step_ };

chandru89new / d.yaml

Last active March 18, 2023 18:18

test yaml file for something

	sections:
	- name: Skills
	items:
	- name: Frontend Engg
	description: Next.js, React, Vue, Elm, GraphQL, Typescript, HTML/CSS.
	- name: Backend Engg
	description: NodeJS, Express, API design, SQL.
	- name: Product Engg
	description: Idea, wireframing, UX, testing.
	- name: Management

chandru89new / processor.elm

Last active March 16, 2023 02:28

Elm types parsing (for Harbor project)

	module Codegen exposing (..)

	import Elm.Parser as Parser
	import Elm.Processing as Processing
	import Elm.Syntax.Declaration exposing (Declaration(..))
	import Elm.Syntax.Node exposing (Node, value)
	import Elm.Syntax.TypeAnnotation exposing (TypeAnnotation(..))


	sampleString =

chandru89new / sequencemaybe.elm

Created February 13, 2022 02:54

sequence list maybe a

	seqMaybe : List (Maybe a) -> Maybe (List a)
	seqMaybe list =
	let
	go : List (Maybe a) -> Maybe (Array a) -> Maybe (Array a)
	go l acc =
	case l of
	[] ->
	acc

	head :: tail ->

chandru89new / watcher.sh

Last active October 18, 2021 16:53

bash-based watcher

	#!/bin/bash

	### Set initial time of file and the path to file/directory
	LTIME=`stat src/*`

	while true
	do
	ATIME=`stat src/*`
	if [[ "$ATIME" != "$LTIME" ]]
	then

chandru89new / mapObject.ts

Last active June 22, 2021 12:23

map fn over object

	type MapObject = <A, B>(fn: (a: A) => B) =>
	<C extends {[key: string]: A }>(obj: C) => { [key in keyof C]: B}
	export const mapObject: MapObject = (fn) => (obj) => {
	if (!obj) return {};
	const kvPairs = Object.entries(obj);
	const mapped = kvPairs.map((kvPair) => [kvPair[0], fn(kvPair[1])]);
	return Object.fromEntries(mapped);
	};

chandru89new / event-way-config.yaml

Last active November 18, 2019 06:35

Component architecture examples

	// config yaml/json
	// this decides the layout, the items that go into a component's props etc
	pages:
	- name: clusters
	title: Clusters
	layout: type2
	children:
	- name: clusters-scatterplot
	component: Chart
	props:

chandru89new / res

Created January 10, 2015 10:34

resolutions (from Chrome Developer console)