redditimage/index.js

Gets a random image from a subreddit

/**
 *
 * @param subreddit {string} Name of the subreddit
 */
const sf = require('snekfetch');
const red = (subreddit) => {
    if (!subreddit || typeof subreddit !== 'string') throw Error('Please give a valid subreddit');
    return new Promise((resolve, reject) => {
        sf.get(`https://www.reddit.com/r/${subreddit}/random.json?limit=1`).then(res => {
            let image;
            try {
                image = res.body[0].data.children[0].data.preview.images[0].source.url;
            } catch (e) {
                image = res.body.data.children[0].data.preview.images[0].source.url;
            }
            if (!image) red(subreddit);
            return resolve(image);
        }).catch((err) => {
            reject(err);
        });
    });
};

module.exports = red;