doc/create_screenshots/resize.js
'use strict';
const sharp = require('sharp');
const fs = require('fs');
const imageSize = require('image-size');
/**
* Screenshoot post-processing
* @return {Promise}
*/
exports = module.exports = function(filepathFull, filepath)
{
return new Promise((resolve, reject) => {
imageSize(filepathFull, (err, size) => {
let maxHeight = size.height;
if (maxHeight > 1000) {
maxHeight = 1000;
}
sharp(filepathFull)
.extract({ left: 0, top: 0, width: size.width, height: maxHeight })
.resize(800)
.png({
compressionLevel: 9
})
.toFile(filepath, (err, info) => {
if (err) {
return reject(err);
}
fs.unlink(filepathFull);
resolve(true);
});
});
});
};