Zaggen’s gists

Zaggen / counter-easy-fix.js

Created July 17, 2019 13:47

Counter with event state handlers with default fix

	const Counter = () => {
	const [count, setCount] = React.useState(0);
	React.useEffect(() => {
	const handleScroll = () => {
	setCount(countState => countState + 1);
	};
	document.addEventListener(“scroll”, handleScroll);
	// Clean up
	return () => document.removeEventListener(“scroll”, handleScroll);
	}, []);

Zaggen / file-parser.coffee

Last active April 22, 2017 03:14

Middleware to ease the handling of file uploads with extra data on sails.js (skipper), it relies on the FileManager service

	module.exports = injector.set ()->
	# Takes all input streams that have the following format
	# inputName[file] that contains a stream and inputName[data] that contains metaData
	# and combines them together and adds it to the req.body.inputName for easy access
	fileParser = (req, res, next)->
	if req.is('multipart/form-data') and req._fileparser?
	do async =>
	streamNames = _.map(req._fileparser.upstreams, 'fieldName')
	try
	###

Zaggen / store-class.ts

Last active April 8, 2017 04:10

Flux/Redux linke store implementation experiment

	declare const _

	export class Store {
	_reducers: {path: string, reducer: Function, id: number}[] = []
	__state__: any
	_id: number
	_subscribers = {}
	constructor(initialState){
	this.__state__ = initialState
	}

Zaggen / event-emitter.ts

Created April 4, 2017 02:54

Event Emitter implementation in typescript

	declare const _

	export class EventEmitter {
	_listeners: {[key: string]: Function[]} = {}
	_eventQueue: {[key: string]: any[]} = {}

	on(eventName, listener: Function) {
	this._listeners[eventName] = this._listeners[eventName] \|\| []
	this._listeners[eventName].push(listener)
	this._callPendingEvents(eventName)

Zaggen / load-balancer.js

Last active May 26, 2022 16:44

Node.js load balancer with

	/*
	* Author: Zaggen - 2017
	* version: 0.1
	* github: https://github.com/Zaggen
	* Free to use and modify
	* */

	const httpProxy = require('http-proxy')
	const http = require('http')
	const proxy = httpProxy.createProxyServer({})

Zaggen / traits-decorator.ts

Last active February 23, 2017 16:18

Traits decorator

	declare const _: _.LoDashStatic

	export function traits(...traitsList) {
	return function decorator(constructor: any) {
	const mergedTraits = _.extend.apply(_, traitsList)
	const {prototype} = constructor
	const {__proto__} = constructor.prototype
	const prototypeClone = _.clone(prototype) // We use a clone to avoid getting properties on the proto chain
	constructor.prototype = _.extend(prototype, mergedTraits, prototypeClone)
	constructor.prototype.constructor = constructor

Zaggen / backbone-component.decorator.ts

Created January 19, 2017 03:47

	declare const _: _.LoDashStatic
	import {template} from '../helpers/index'

	interface BackBoneComponent {
	el?: string,
	template?: string \| Function,
	events?: any,
	subComponents?: any[],
	[key: string]: any
	}

Zaggen / component-classes.ts

Last active January 29, 2017 23:40

Component classes that extend base backbone class, to have similar support to angular2 directives

	interface IObjectLiteral {
	[key: string]: any
	}
	// @description This type of view takes care of extra initialization
	// and rendering of the element. It allows you to define components
	// in a similar fashion of angular 2; You define a subComponents
	// by adding its class to the subComponents array and add the corresponding
	// tagName on the template, and it will be replaced at runtime. You can pass
	// attributes to those subComponents by defining them on the empty tag element
	export class ComponentView extends Backbone.View {

Zaggen / formData pupulator helper

Created November 2, 2016 22:39

Helper to append json data to a form Data

	helper = {
	populateFormData: (formData, populationData)->
	@_iterativePush(formData, populationData);
	return formData

	_iterativePush: (formData, v, k = '')->
	if _.isObject(v)
	_.each v, (v, innerK)=>
	@_iterativePush(formData, v, "#{k}[#{innerK}]")
	else

Zaggen / base-model.coffee

Last active May 13, 2016 04:58

WIP: Backbone base model, that adds schema system with associations

	class App.Models.Base extends Backbone.Model
	schema: {}

	set: (attributes, options)->
	if _.isString(attributes)
	[key, val] = [attributes, options]
	(attributes = {})[key] = val
	options = null
	super(@filter(attributes), options)

Louis Roman Zaggen