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ass/vibrant.js

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1.1 KiB

const Vibrant = require('node-vibrant');
const { randomHexColour } = require('./utils');
// Vibrant parameters
const COLOR_COUNT = 256;
const QUALITY = 3;
/**
* Extracts a prominent colour from the provided image file
* @param {*} file The image to extract a colour from
* @param {*} resolve Runs if Promise was successful
* @param {*} reject Runs if Promise failed
*/
function getVibrant(file, resolve, reject) {
Vibrant.from(file.path)
.maxColorCount(COLOR_COUNT)
.quality(QUALITY)
.getPalette()
.then((palettes) => resolve(palettes[Object.keys(palettes).sort((a, b) => palettes[b].population - palettes[a].population)[0]].hex))
.catch(reject);
}
/**
* Extracts a colour from an image file. Returns a random Hex value if provided file is a video
* @param {*} file The file to get a colour from
* @returns The Vibrant colour as a Hex value (or random Hex value for videos)
*/
module.exports = (file) => new Promise((resolve, reject) => file.mimetype.includes('video') ? resolve(randomHexColour()) : getVibrant(file, resolve, reject)); // skipcq: JS-0229