🧑‍💻

Per Jonsson perjo927

🧑‍💻

SWE from SWE

perjo927 / store.js

Created September 8, 2020 07:36

Create Redux Store

	import { makeSubscriber } from "./subscribe";
	import { makeStateHandlers } from "./state";
	import { makeDispatcher } from "./dispatch";

	export const createStore = (reducer, initialState = {}) => {
	const stateContainer = [initialState];
	const subscribers = [];
	const stateHandlers = {
	...makeStateHandlers(stateContainer),
	};

perjo927 / subscribe.test.js

Created September 8, 2020 07:27

Test subscriber

perjo927 / subscribe.js

Created September 8, 2020 07:23

Make subscriber

perjo927 / dispatch.test.js

Last active September 8, 2020 07:27

Test dispatch

	import { makeDispatcher } from "../src/redux/store/dispatch.js";
	import assert from "assert";

	describe("dispatch.js", () => {
	describe("makeDispatcher", () => {
	it("generates a function from state handlers, a reducer and a callback", () => {
	const stateHandlers = {
	getState() {},
	setState(arg) {},
	};

perjo927 / state.js

Last active September 8, 2020 13:19

Make state handlers

	export const makeStateHandlers = (stateContainer) => ({
	getState() {
	const [lastState] = stateContainer.slice(-1);
	return lastState;
	},
	setState(newState) {
	return stateContainer.push(newState);
	},
	});

perjo927 / dispatch.js

Created September 8, 2020 07:06

Make dispatcher

	export const makeDispatcher = (stateHandlers, reducer, onDispatch) => ({
	dispatch(action) {
	const { getState, setState } = stateHandlers;

	const state = getState();
	const newState = reducer(state, action);
	setState(newState);

	onDispatch();

perjo927 / state.test.js

Last active September 8, 2020 06:54

	import { makeStateHandlers } from "../src/redux/store/state.js";

	import assert from "assert";

	describe("state.js", () => {
	describe("makeStateHandlers", () => {
	it("generates two functions from a state container input", () => {
	const stateContainer = [{ state: "state" }];
	const stateHandlers = makeStateHandlers(stateContainer);

perjo927 / index.html

Created September 7, 2020 17:15

Todo App Starter

	<html>
	<head>
	<title>Todo App</title>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	</head>
	<body>
	<script src="./index.js"></script>
	</body>
	</html>

perjo927 / compose.test.js

Last active September 8, 2020 08:55

Proof for function composition

	import assert from "assert";

	const compose = (...functions) => (initialArg) =>
	functions.reduceRight(
	(accumulatedValue, func) => func(accumulatedValue),
	initialArg
	);

	describe("compose", () => {
	it("returns a composed function h, so that h(x) is equal to f(g(x))", () => {

perjo927 / gitbot.ps1

Last active July 29, 2018 09:21

A git bot for Windows.

	<#
	Gitbot
	Makes Your Git Stats Great
	#>

	param([string]$path="C:\")

	function GenerateName {
	$filepath = Resolve-Path "words.txt"
	$raw = Get-Content -Path $filepath

	import { makeSubscriber } from "../src/redux/store/subscribe.js";

	import assert from "assert";

	describe("subscribe.js", () => {
	describe("makeSubscriber", () => {
	it("generates a function from subscribers", () => {
	const subscribers = [];
	const subscriber = makeSubscriber(subscribers);

	export const makeSubscriber = (subscribers) => ({
	subscribe(callback) {
	subscribers.push(callback);
	},
	});