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@sebmarkbage
sebmarkbage / Enhance.js
Last active November 7, 2024 13:05
Higher-order Components
import { Component } from "React";
export var Enhance = ComposedComponent => class extends Component {
constructor() {
this.state = { data: null };
}
componentDidMount() {
this.setState({ data: 'Hello' });
}
render() {
@neftaly
neftaly / curry.js
Last active April 10, 2022 18:47
ES6 Auto-curry
const curry = (fn, ...oldArgs) => (...newArgs) => {
const args = [...oldArgs, ...newArgs];
return (args.length < fn.length) ? curry(fn, ...args) : fn(...args);
};
@gaearon
gaearon / slim-redux.js
Last active May 5, 2024 15:14
Redux without the sanity checks in a single file. Don't use this, use normal Redux. :-)
function mapValues(obj, fn) {
return Object.keys(obj).reduce((result, key) => {
result[key] = fn(obj[key], key);
return result;
}, {});
}
function pick(obj, fn) {
return Object.keys(obj).reduce((result, key) => {
if (fn(obj[key])) {
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@gaearon
gaearon / connect.js
Last active November 14, 2024 08:35
connect.js explained
// connect() is a function that injects Redux-related props into your component.
// You can inject data and callbacks that change that data by dispatching actions.
function connect(mapStateToProps, mapDispatchToProps) {
// It lets us inject component as the last step so people can use it as a decorator.
// Generally you don't need to worry about it.
return function (WrappedComponent) {
// It returns a component
return class extends React.Component {
render() {
return (
@abel0b
abel0b / run-powershell-from-bash.sh
Last active February 17, 2024 04:41
Run a powershell script from WSL Windows Subsystem for linux
powershell.exe "$(wslpath -w .)\myscript.ps1"