MarksCode

/**
 * Prompts a user when they exit the page
 */

import { useCallback, useContext, useEffect } from 'react';
import { UNSAFE_NavigationContext as NavigationContext } from 'react-router-dom';

function useConfirmExit(confirmExit: () => boolean, when = true) {
  const { navigator } = useContext(NavigationContext);

rmorse

/**
 * These hooks re-implement the now removed useBlocker and usePrompt hooks in 'react-router-dom'.
 * Thanks for the idea @piecyk https://github.com/remix-run/react-router/issues/8139#issuecomment-953816315
 * Source: https://github.com/remix-run/react-router/commit/256cad70d3fd4500b1abcfea66f3ee622fb90874#diff-b60f1a2d4276b2a605c05e19816634111de2e8a4186fe9dd7de8e344b65ed4d3L344-L381
 */
import { useContext, useEffect, useCallback } from 'react';
import { UNSAFE_NavigationContext as NavigationContext } from 'react-router-dom';
/**
 * Blocks all navigation attempts. This is useful for preventing the page from
 * changing until some condition is met, like saving form data.

hex13

//License CC0 1.0: https://creativecommons.org/publicdomain/zero/1.0/

class Deferred extends React.Component {
    constructor(props) {
        super(props);
        this.state = {
            value: ''
        };
    }
    componentDidMount() {

willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000