feat: Remove VueJS and rewrite in vanilla JS
This commit is contained in:
Karan Sharma
parent
022c1267b7
commit
d985ecd1b4
3 changed files with 185 additions and 154 deletions
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@ -1,95 +1,167 @@
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var app = new Vue({
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el: '#app',
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data: {
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apiURL: "/api/lookup/",
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results: [],
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noRecordsFound: false,
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emptyNameError: false,
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apiErrorMessage: "",
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queryName: "",
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queryType: "A",
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nameserverName: "cloudflare",
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customNSAddr: "",
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nsAddrMap: {
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"google": "8.8.8.8",
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"cloudflare": "1.1.1.1",
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"cloudflare-doh": "https://cloudflare-dns.com/dns-query",
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"quad9": "9.9.9.9",
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}
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},
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created: function () {
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},
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computed: {
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getNSAddrValue() {
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return this.nsAddrMap[this.nameserverName]
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},
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isCustomNS() {
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if (this.nameserverName == "custom") {
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return true
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const $ = document.querySelector.bind(document);
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const $new = document.createElement.bind(document);
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const apiURL = "/api/lookup/";
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const isMobile = window.matchMedia("only screen and (max-width: 760px)").matches;
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const nsAddrMap = {
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"google": "8.8.8.8",
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"cloudflare": "1.1.1.1",
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"cloudflare-doh": "https://cloudflare-dns.com/dns-query",
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"quad9": "9.9.9.9",
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}
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function handleNSChange() {
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if ($('select[name=ns]').value == "custom") {
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$('div[id=custom_ns]').classList.remove("hidden");
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$('div[id=ns]').classList.add("hidden");
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} else {
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$('div[id=custom_ns]').classList.add("hidden");
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$('div[id=ns]').classList.remove("hidden");
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$('input[name=ns]').placeholder = nsAddrMap[$('select[name=ns]').value];
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}
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}
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// Source: https://stackoverflow.com/a/1026087.
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function capitalizeFirstLetter(string) {
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return string.charAt(0).toUpperCase() + string.slice(1);
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}
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window.addEventListener('DOMContentLoaded', (event) => {
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handleNSChange();
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});
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(function () {
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const fields = ['name', 'address', 'type', 'ttl', 'rtt', 'nameserver'];
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// createRow creates a table row with the given cell values.
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function createRow(item) {
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const tr = $new('tr');
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fields.forEach((f) => {
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const td = $new('td');
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td.classList.add("px-6", "py-4", "whitespace-nowrap", "text-sm");
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if (f == "ttl" || f == "rtt" || f == "nameserver") {
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td.classList.add("text-gray-500");
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} else {
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td.classList.add("text-gray-900");
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}
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return false
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}
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},
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methods: {
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prepareNS() {
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switch (this.nameserverName) {
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case "google":
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return "tcp://8.8.8.8:53"
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case "cloudflare":
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return "tcp://1.1.1.1:53"
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case "cloudflare-doh":
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return "https://cloudflare-dns.com/dns-query"
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case "quad9":
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return "tcp://9.9.9.9:53"
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case "custom":
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return this.customNSAddr
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default:
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return ""
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if (f == "name") {
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td.classList.add("font-semibold");
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}
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},
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lookupRecords() {
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// reset variables.
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this.results = []
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this.noRecordsFound = false
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this.emptyNameError = false
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this.apiErrorMessage = ""
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if (this.queryName == "") {
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this.emptyNameError = true
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return
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if (f == "type") {
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td.innerHTML = '<span class="px-2 inline-flex text-xs leading-5 font-semibold rounded-full bg-green-100 text-green-800">' + item[f] + '</span>';
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} else {
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td.innerText = item[f];
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}
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tr.appendChild(td);
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});
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return tr;
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}
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// GET request using fetch with error handling
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fetch(this.apiURL, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({
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query: [this.queryName,],
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type: [this.queryType,],
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nameservers: [this.prepareNS(),],
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}),
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}).then(async response => {
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const res = await response.json();
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// check for error response
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if (!response.ok) {
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// get error message from body or default to response statusText
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const error = (res && res.message) || response.statusText;
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return Promise.reject(error);
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}
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// createList creates a table row with the given cell values.
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function createList(item) {
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const ul = $new('ul');
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ul.classList.add("m-4", "block", "bg-indigo-100");
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fields.forEach((f) => {
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const li = $new('li');
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const span = $new('span');
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span.classList.add("p-2", "text-gray-500", "font-semibold");
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span.innerText = capitalizeFirstLetter(f) + ': ' + item[f]
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li.appendChild(span);
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ul.appendChild(li);
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});
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return ul;
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}
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if (res.data[0].answers == null) {
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this.noRecordsFound = true
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} else {
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// Set the answers in the results list.
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this.results = res.data[0].answers
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}
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}).catch(error => {
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this.apiErrorMessage = error
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});
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function prepareNSAddr(ns) {
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switch (ns) {
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case "google":
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return "tcp://8.8.8.8:53"
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case "cloudflare":
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return "tcp://1.1.1.1:53"
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case "cloudflare-doh":
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return "https://cloudflare-dns.com/dns-query"
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case "quad9":
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return "tcp://9.9.9.9:53"
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case "custom":
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return $('input[name=custom_ns]').value.trim()
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default:
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return ""
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}
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}
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})
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const postForm = body => {
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return fetch(apiURL, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body
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});
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};
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const handleSubmit = async (e) => {
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e.preventDefault();
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const tbl = $('table tbody');
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const list = $('div[id=mobile-answers-sec]');
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tbl.innerHTML = '';
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list.innerHTML = '';
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$('p[id=empty-name-sec]').classList.add("hidden");
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const errSec = $('div[id=api-error-sec]');
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errSec.classList.add("hidden");
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const q = $('input[name=q]').value.trim(), typ = $('select[name=type]').value;
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const ns = $('select[name=ns]').value;
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if (!q) {
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$('p[id=empty-name-sec]').classList.remove("hidden");
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throw ('Invalid query name.');
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}
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if (!q || !typ || !ns) {
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throw ('Invalid or empty query params.');
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}
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const nsAddr = prepareNSAddr(ns);
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const body = JSON.stringify({ query: [q,], type: [typ,], nameservers: [nsAddr,] });
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const response = await postForm(body);
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const res = await response.json();
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if (res.status != "success") {
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// get error message from body or default to response statusText
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const error = (res && res.message) || response.statusText;
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errSec.classList.remove("hidden");
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errSec.innerHTML = '<p class="text-xl text-red-500">' + error + '</p>'
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throw (error);
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}
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if (res.data[0].answers == null) {
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const errSec = $('div[id=api-error-sec]');
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errSec.classList.remove("hidden");
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errSec.innerHTML = '<p class="text-xl text-red-500">' + 'No records found!' + '</p>'
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return null;
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}
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$('div[id=answer_sec]').classList.remove("hidden");
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if (isMobile === true) {
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list.classList.remove("hidden");
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res.data[0].answers.forEach((item) => {
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console.log("appending", item)
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list.appendChild(createList(item));
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});
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} else {
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res.data[0].answers.forEach((item) => {
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tbl.appendChild(createRow(item));
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});
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}
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};
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document.querySelector('form').addEventListener('submit', handleSubmit);
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})();
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