Comment Code

This commit is contained in:
Vylpes 2021-01-29 18:26:48 +00:00
parent ddd9d728c1
commit cfe7b5d78b
3 changed files with 20 additions and 3 deletions

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@ -1,27 +1,42 @@
// Required Modules
const fetch = require('node-fetch'); const fetch = require('node-fetch');
// Valid sortBy names
const sortable = [ const sortable = [
'new', 'new',
'hot', 'hot',
'top' 'top'
] ]
// Main function
function randomBunny(subreddit, sortBy, cb) { function randomBunny(subreddit, sortBy, cb) {
// If the sortable list doesn't include sortBy, default to 'hot'
if (!sortable.includes(sortBy)) sortBy = 'hot'; if (!sortable.includes(sortBy)) sortBy = 'hot';
// Fetch the json from reddit
// For example, if you're getting a random image from r/rabbits, sorted by new:
// https://www.reddit.com/r/rabbits/new.json
fetch(`https://www.reddit.com/r/${subreddit}/${sortBy}.json`).then(res => { fetch(`https://www.reddit.com/r/${subreddit}/${sortBy}.json`).then(res => {
res.json().then(res => { res.json().then(res => {
// Get the part of the json string which the data comes from
const data = res.data.children; const data = res.data.children;
const size = data.length; const size = data.length;
// Found is used for the while loop in order to break out of the loop.
// We need to loop as the json string will contain invalid data for what we need
// Specifically videos.
let found = false; let found = false;
// Loop until a valid image post is found
while (!found) { while (!found) {
// Generate random number
const random = getRandom(0, size - 1); const random = getRandom(0, size - 1);
// Get variables from json to pass back
const image = data[random].data['url']; const image = data[random].data['url'];
const title = data[random].data['title']; const title = data[random].data['title'];
// If the post is a .jpg, send back the data and stop looping
if (image.includes('.jpg')) { if (image.includes('.jpg')) {
found = true; found = true;
cb(image, title); cb(image, title);
@ -31,8 +46,10 @@ function randomBunny(subreddit, sortBy, cb) {
}); });
} }
// Generate a random number
function getRandom(min, max) { function getRandom(min, max) {
return Math.floor((Math.random() * max) + min); return Math.floor((Math.random() * max) + min);
} }
// Export Functions
module.exports = randomBunny; module.exports = randomBunny;

2
package-lock.json generated
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@ -1,6 +1,6 @@
{ {
"name": "random-bunny", "name": "random-bunny",
"version": "1.0.0", "version": "20.0.0",
"lockfileVersion": 1, "lockfileVersion": 1,
"requires": true, "requires": true,
"dependencies": { "dependencies": {

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@ -1,6 +1,6 @@
{ {
"name": "random-bunny", "name": "random-bunny",
"version": "1.0.0", "version": "20.0.0",
"description": "Get a random subreddit image url", "description": "Get a random subreddit image url",
"license": "MIT", "license": "MIT",
"author": "Vylpes", "author": "Vylpes",