29991c6718
closes #10144 - When the input image is well optimized and has smaller byte size than the processed one it's still being used - Bumped sharp version to have access to `size` property
65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
const Promise = require('bluebird');
|
|
const common = require('../common');
|
|
const fs = require('fs-extra');
|
|
|
|
/**
|
|
* @NOTE: Sharp cannot operate on the same image path, that's why we have to use in & out paths.
|
|
*
|
|
* We currently can't enable compression or having more config options, because of
|
|
* https://github.com/lovell/sharp/issues/1360.
|
|
*/
|
|
const process = (options = {}) => {
|
|
let sharp, img, originalData, originalSize;
|
|
|
|
try {
|
|
sharp = require('sharp');
|
|
} catch (err) {
|
|
return Promise.reject(new common.errors.InternalServerError({
|
|
message: 'Sharp wasn\'t installed',
|
|
code: 'SHARP_INSTALLATION',
|
|
err: err
|
|
}));
|
|
}
|
|
|
|
// @NOTE: workaround for Windows as libvips keeps a reference to the input file
|
|
// which makes it impossible to fs.unlink() it on cleanup stage
|
|
sharp.cache(false);
|
|
|
|
return fs.readFile(options.in)
|
|
.then((data) => {
|
|
originalData = data;
|
|
|
|
// @NOTE: have to use constructor with Buffer for sharp to be able to expose size property
|
|
img = sharp(data);
|
|
})
|
|
.then(() => img.metadata())
|
|
.then((metadata) => {
|
|
originalSize = metadata.size;
|
|
|
|
if (metadata.width > options.width) {
|
|
img.resize(options.width);
|
|
}
|
|
|
|
// CASE: if you call `rotate` it will automatically remove the orientation (and all other meta data) and rotates
|
|
// based on the orientation. It does not rotate if no orientation is set.
|
|
img.rotate();
|
|
return img.toBuffer({resolveWithObject: true});
|
|
})
|
|
.then(({data, info}) => {
|
|
if (info.size > originalSize) {
|
|
return fs.writeFile(options.out, originalData);
|
|
} else {
|
|
return fs.writeFile(options.out, data);
|
|
}
|
|
})
|
|
.catch((err) => {
|
|
throw new common.errors.InternalServerError({
|
|
message: 'Unable to manipulate image.',
|
|
err: err,
|
|
code: 'IMAGE_PROCESSING'
|
|
});
|
|
});
|
|
};
|
|
|
|
module.exports.process = process;
|