V2, with qualitative comparisons. I still don't induce the utility function at the end, but I do have the data to do so
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lib/slider.js
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124
lib/slider.js
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/* Imports */
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import { Slider, Rail, Handles, Tracks, Ticks } from "react-compound-slider";
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import React, { useState } from 'react';
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// https://sghall.github.io/react-compound-slider/#/getting-started/tutorial
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/* Definitions */
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const sliderStyle = { // Give the slider some width
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position: 'relative',
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width: '40em',
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height: 40,
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border: '5em',
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}
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const railStyle = {
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position: 'absolute',
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width: '100%',
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height: 15,
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marginTop: 30,
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borderRadius: 5,
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backgroundColor: 'lightgrey',
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}
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/* Support functions */
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function Handle({
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handle: { id, value, percent },
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getHandleProps,
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displayFunction,
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handleWidth
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}) {
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return (
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<>
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<div className="justify-center text-center text-gray-600 text-xs">
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{displayFunction(value)}
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</div>
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<div
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style={{
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left: `${percent}%`,
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position: 'absolute',
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marginLeft: -10,
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marginTop: 0,
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zIndex: 2,
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width: 30,
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height: 30,
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cursor: 'pointer',
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borderRadius: '50%',
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backgroundColor: '#374151',
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color: '#374151',
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}}
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{...getHandleProps(id)}
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>
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</div>
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</>
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)
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}
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function Track({ source, target, getTrackProps }) {
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return (
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<div
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style={{
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position: 'absolute',
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height: 15,
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zIndex: 1,
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marginTop: 7,
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backgroundColor: ' #3B82F6',
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borderRadius: 5,
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cursor: 'pointer',
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left: `${source.percent}%`,
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width: `${target.percent - source.percent}%`,
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}}
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{...getTrackProps() /* this will set up events if you want it to be clickeable (optional) */}
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/>
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)
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}
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/* Body */
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// Two functions, essentially identical.
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export function SliderElement({ onChange, value, displayFunction }) {
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return (
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<Slider
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rootStyle={sliderStyle /* inline styles for the outer div. Can also use className prop. */}
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domain={[-3,3]}
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values={[value]}
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onChange={onChange}
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>
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<Rail>
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{({ getRailProps }) => (
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<div style={railStyle} {...getRailProps()} />
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)}
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</Rail>
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<Handles>
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{({ handles, getHandleProps }) => (
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<div className="slider-handles">
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{handles.map(handle => (
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<Handle
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key={handle.id}
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handle={handle}
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getHandleProps={getHandleProps}
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displayFunction={displayFunction}
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handleWidth={"15em"}
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/>
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))}
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</div>
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)}
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</Handles>
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<Tracks right={false}>
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{({ tracks, getTrackProps }) => (
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<div className="slider-tracks">
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{tracks.map(({ id, source, target }) => (
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<Track
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key={id}
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source={source}
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target={target}
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getTrackProps={getTrackProps}
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/>
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))}
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</div>
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)}
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</Tracks>
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</Slider>
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)
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}
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6317
package-lock.json
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6317
package-lock.json
generated
File diff suppressed because it is too large
Load Diff
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{
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"name": "with-tailwindcss",
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"version": "0.1.0",
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"name": "utility-function-extractor",
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"version": "0.2.0",
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"private": true,
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"scripts": {
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"dev": "next dev",
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@ -10,6 +10,7 @@
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"dependencies": {
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"next": "latest",
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"react": "^17.0.1",
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"react-compound-slider": "^3.3.1",
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"react-dom": "^17.0.1"
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},
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"devDependencies": {
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136
pages/index.js
136
pages/index.js
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@ -1,5 +1,6 @@
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import Head from 'next/head'
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import React, { useState } from "react";
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import { SliderElement } from "../lib/slider.js";
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// Utilities
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Array.prototype.containsArray = function(val) {
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@ -10,46 +11,65 @@ Array.prototype.containsArray = function(val) {
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return hash.hasOwnProperty(val);
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}
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let checkIfListIsOrdered = (arr, comparisons) => {
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let checkIfListIsOrdered = (arr, binaryComparisons) => {
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let l = arr.length
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let isOrdered = true
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for(let i=0; i<l-1; i++){
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isOrdered = isOrdered && comparisons.containsArray([arr[i], arr[i+1]])
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isOrdered = isOrdered && binaryComparisons.containsArray([arr[i], arr[i+1]])
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}
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return isOrdered
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}
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let simplifySliderValue = value => 10**value >= 3 ? Math.round(10**value) : Math.round(10*10**value)/10
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let displayFunctionSlider = (value) => {
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let result
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if(value >= 0){
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result = simplifySliderValue(value)
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}else{
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let inverseresult = simplifySliderValue(-value)
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result = `1/${inverseresult}`
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}
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result = `The first option is ${result}x as valuable as the second one`
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return result
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};
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// Main
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export default function Home() {
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// State
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let list = [1,2,3,4,5,6,7,8,9,10]
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let initialComparisonPair = [9,10]
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const [toComparePair, setToComparePair] = useState(initialComparisonPair)
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const [comparisons, updateComparisons] = useState([])
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// let initialComparisonPair = [9,10]
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const [toComparePair, setToComparePair] = useState([list[list.length-2], list[list.length-1]])
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const [binaryComparisons, setBinaryComparisons] = useState([])
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const [sliderValue, setSliderValue] = useState(0)
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const [quantitativeComparisons, setQuantitativeComparisons] = useState([])
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const [isListOrdered, setIsListOrdered] = useState(false)
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const [orderedList, setOrderedList] = useState(null)
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// Manipulations
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let compareTwoElements = (newComparisons, element1, element2) => {
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let element1Greater = newComparisons.containsArray([element1, element2])
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let element2Greater = newComparisons.containsArray([element2, element1])
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let compareTwoElements = (newBinaryComparisons, element1, element2) => {
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let element1Greater = newBinaryComparisons.containsArray([element1, element2])
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let element2Greater = newBinaryComparisons.containsArray([element2, element1])
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if(element1Greater || element2Greater){
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return element1Greater && !element2Greater
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} else{
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setToComparePair([element1, element2])
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console.log(`No comparison found between ${element1} and ${element2}`)
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console.log(`Comparisons:`)
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console.log(JSON.stringify(newComparisons, null, 4));
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console.log(JSON.stringify(newBinaryComparisons, null, 4));
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return "No comparison found"
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}
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}
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function merge(newComparisons, left, right) {
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function merge(newBinaryComparisons, left, right) {
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let sortedArr = []; // the sorted elements will go here
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while (left.length && right.length) {
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// insert the biggest element to the sortedArr
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let comparison = compareTwoElements(newComparisons, left[0], right[0])
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let comparison = compareTwoElements(newBinaryComparisons, left[0], right[0])
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if(comparison == "No comparison found"){
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return "No comparison found; unable to proceed"
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}
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return [...sortedArr, ...left, ...right]; // if they don't have the same size, the remaining ones will be greater than the ones before
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}
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function mergeSort(arr, newComparisons) {
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function mergeSort(arr, newBinaryComparisons) {
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if(arr == "No comparison found; unable to proceed"){
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return "No comparison found; unable to proceed"
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}
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@ -77,10 +97,10 @@ export default function Home() {
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const left = arr.splice(0, half); // the first half of the array
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const right = arr;
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let orderedFirstHalf = mergeSort(left, newComparisons)
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let orderedSecondHalf = mergeSort(right, newComparisons)
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let orderedFirstHalf = mergeSort(left, newBinaryComparisons)
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let orderedSecondHalf = mergeSort(right, newBinaryComparisons)
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if(orderedFirstHalf != "No comparison found; unable to proceed" && orderedSecondHalf != "No comparison found; unable to proceed"){
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let result = merge(newComparisons, orderedFirstHalf, orderedSecondHalf);
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let result = merge(newBinaryComparisons, orderedFirstHalf, orderedSecondHalf);
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return result
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}else{
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return "No comparison found; unable to proceed"
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}
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let nextStep = (comparisons, element1, element2) => {
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console.log("Comparisons: ")
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console.log(JSON.stringify(comparisons, null, 4));
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let nextStepSimple = (binaryComparisons, element1, element2) => {
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console.log("Binary comparisons: ")
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console.log(JSON.stringify(binaryComparisons, null, 4));
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let newComparison = [element1, element2] // [element1, element2]
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let newComparisons = [...comparisons, newComparison]
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console.log("New comparisons: ")
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console.log(JSON.stringify(newComparisons, null, 4));
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updateComparisons(newComparisons)
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let result = mergeSort(list, newComparisons)
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let newBinaryComparisons = [...binaryComparisons, newComparison]
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console.log("New binaryComparisons: ")
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console.log(JSON.stringify(newBinaryComparisons, null, 4));
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setBinaryComparisons(newBinaryComparisons)
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let result = mergeSort(list, newBinaryComparisons)
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console.log(result)
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console.log(toComparePair)
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if(result != "No comparison found; unable to proceed" && checkIfListIsOrdered(result, newComparisons)){
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alert("Order complete")
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if(result != "No comparison found; unable to proceed" && checkIfListIsOrdered(result, newBinaryComparisons)){
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console.log(result)
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setIsListOrdered(true)
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setOrderedList(result)
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}
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}
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let nextStepSlider = (binaryComparisons, sliderValue, element1, element2) => {
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if(sliderValue < 0){
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sliderValue = -sliderValue;
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[element1,element2] = [element2,element1]
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}
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nextStepSimple(binaryComparisons, element1, element2)
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let newQuantitativeComparison = [element1, element2, simplifySliderValue(sliderValue)]
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let newQuantitativeComparisons = [...quantitativeComparisons, newQuantitativeComparison]
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setQuantitativeComparisons(newQuantitativeComparisons)
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setSliderValue(0)
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}
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// Html
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return (
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<div className="flex flex-col items-center justify-center min-h-screen py-2">
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<main className="flex flex-col items-center justify-center w-full flex-1 px-20 text-center">
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<h1 className="text-6xl font-bold">
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Hot or not?
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Utility Function Extractor
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</h1>
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<div className={`flex flex-wrap items-center max-w-4xl mt-6 sm:w-full mt-20 ${isListOrdered? "hidden" : ""}`}>
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<button
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className="flex m-auto border-gray-300 border-4 h-64 w-64"
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onClick={() => nextStep(comparisons, toComparePair[0], toComparePair[1])}
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>
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<p className="block m-auto text-center">{toComparePair[0]}</p>
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</button>
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<button
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className="flex m-auto border-gray-300 border-4 h-64 w-64"
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onClick={() => nextStep(comparisons, toComparePair[1], toComparePair[0])}
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>
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<p className="block m-auto text-center">{toComparePair[1]}</p>
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</button>
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<div className = {`${isListOrdered ? "hidden" : ""}`}>
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<div className="flex flex-wrap items-center max-w-4xl mt-6 sm:w-full mt-20">
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<div
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className="flex m-auto border-gray-300 border-4 h-64 w-64"
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//onClick={() => nextStep(binaryComparisons, toComparePair[0], toComparePair[1])}
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>
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<p className="block m-auto text-center">{toComparePair[0]}</p>
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</div>
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<div
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className="flex m-auto border-gray-300 border-4 h-64 w-64"
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//onClick={() => nextStep(binaryComparisons, toComparePair[1], toComparePair[0])}
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>
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<p className="block m-auto text-center">{toComparePair[1]}</p>
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</div>
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</div>
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<div className={`flex row-start-3 row-end-3 col-start-1 col-end-4 md:col-start-3 md:col-end-3 md:row-start-1 md:row-end-1 lg:col-start-3 lg:col-end-3 lg:row-start-1 lg:row-end-1 items-center justify-center mb-4 mt-10 ${isListOrdered? "hidden" : ""}`}>
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<SliderElement
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className="flex items-center justify-center"
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onChange={(event) => (setSliderValue(event[0]))}
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value={sliderValue}
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displayFunction={displayFunctionSlider}
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/>
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</div>
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<button
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className="bg-transparent hover:bg-blue-500 text-blue-700 font-semibold hover:text-white py-2 px-4 border border-blue-500 hover:border-transparent rounded mt-5"
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onClick={() => nextStepSlider(binaryComparisons, sliderValue, toComparePair[1], toComparePair[0])}>
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Submit
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</button>
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</div>
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<div className={`mt-10 ${isListOrdered? "": "hidden" }`}>
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<p>{`Ordered list: ${JSON.stringify(orderedList, null, 4)}`}</p>
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<p>{`Comparisons: ${JSON.stringify(comparisons, null, 4)}`}</p>
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<p>{`Binary comparisons: ${JSON.stringify(binaryComparisons, null, 4)}`}</p>
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<p>{`Quantitative comparisons: ${JSON.stringify(quantitativeComparisons, null, 4)}`}</p>
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</div>
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</main>
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