Simple Express Server
0 likes • Oct 15, 2022
JavaScript
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if (process.env.NODE_ENV === "production") {app.use(express.static("client/build"));app.get("*", (req, res) => {res.sendFile(path.resolve(__dirname, "client", "build", "index.html"));});}
const toFixed = (n, fixed) => ~~(Math.pow(10, fixed) * n) / Math.pow(10, fixed);// ExamplestoFixed(25.198726354, 1); // 25.1toFixed(25.198726354, 2); // 25.19toFixed(25.198726354, 3); // 25.198toFixed(25.198726354, 4); // 25.1987toFixed(25.198726354, 5); // 25.19872toFixed(25.198726354, 6); // 25.198726
const luhnCheck = num => {let arr = (num + '').split('').reverse().map(x => parseInt(x));let lastDigit = arr.splice(0, 1)[0];let sum = arr.reduce((acc, val, i) => (i % 2 !== 0 ? acc + val : acc + ((val *= 2) > 9 ? val - 9 : val)),0);sum += lastDigit;return sum % 10 === 0;};luhnCheck('4485275742308327'); // trueluhnCheck(6011329933655299); // trueluhnCheck(123456789); // false
results ={"11345240":"Media Comment-80e47004-1719-493a-af69-a43b2652b41c","11345282":"zoom_3_22_21.mp4","11345303":"Recording-2.m4a","11345348":"February 12%2C 2021.mp4","11345826":"Lecture_Rousso_Chapter_06-2.pptx","11345933":"Themes_InClassAssigment.pptx","11346193":"Agenda – Week of March23.pptx","11346318":"MUJS 2370 SP2021 Updated Rhythm Changes Drills Bb - Score.pdf","11346319":"MUJS 2370 SP2021 Updated Rhythm Changes Drills C - Score.pdf","11346322":"MUJS 2370 SP2021 Updated Rhythm Changes Drills Eb - Score.pdf","11346323":"MUJS 2370 Updated Rhythm Changes Drills Bass - Score.pdf","11346381":"Anthropology with colored highlighter analysis - Mar 22 2021 - 10-36 AM.pdf","11346449":"Anthropology with colored highlighter analysis - Mar 22 2021 - 10-36 AM.pdf","11346450":"MUJS 2370 SP2021 Updated Rhythm Changes Drills Bb - Score.pdf","11346451":"MUJS 2370 SP2021 Updated Rhythm Changes Drills C - Score.pdf","11346453":"MUJS 2370 SP2021 Updated Rhythm Changes Drills Eb - Score.pdf","11346454":"MUJS 2370 Updated Rhythm Changes Drills Bass - Score.pdf","11346495":"Steinel chromatic ornamentation étude rhythm changes - Aug 23 2020 - 12-19 PM.pdf","11346532":"Media Comment-136242b4-7f2c-4d5d-8aa4-091f07e797cf","11346581":"2019 Trust Based Relationship Intervention Manual.pdf","11346584":"TBRI ppt.pptx","11346593":"Trauma informed care.ppt"}function NewTab(testing) {window.open(testing, "_blank");}for(test in results) {var testing = 'https://unt.instructure.com/files/' + test + '/download';NewTab(testing);//window.open = 'https://unt.instructure.com/files/' + test + '/download';}
const compactObject = val => {const data = Array.isArray(val) ? val.filter(Boolean) : val;return Object.keys(data).reduce((acc, key) => {const value = data[key];if (Boolean(value))acc[key] = typeof value === 'object' ? compactObject(value) : value;return acc;},Array.isArray(val) ? [] : {});};const obj = {a: null,b: false,c: true,d: 0,e: 1,f: '',g: 'a',h: [null, false, '', true, 1, 'a'],i: { j: 0, k: false, l: 'a' }};compactObject(obj);// { c: true, e: 1, g: 'a', h: [ true, 1, 'a' ], i: { l: 'a' } }
import React, { useState } from 'react' import Welcome from '../components/Welcome' function About() { const [showWelcome, setShowWelcome] = useState(false) return ( <div> {showWelcome ? <Welcome /> : null} </div> <div> {showWelcome && <Welcome /> } </div> ) } export default App