mirror of https://github.com/TryGhost/Ghost.git
62 lines
2.5 KiB
JavaScript
62 lines
2.5 KiB
JavaScript
const Promise = require('bluebird');
|
|
const _ = require('lodash');
|
|
const imageLib = require('../../server/lib/image');
|
|
|
|
/**
|
|
* Get Image dimensions
|
|
* @param {object} metaData
|
|
* @returns {object} metaData
|
|
* @description for image properties in meta data (coverImage, authorImage and site.logo), `getCachedImageSizeFromUrl` is
|
|
* called to receive image width and height
|
|
*/
|
|
function getImageDimensions(metaData) {
|
|
const fetch = {
|
|
coverImage: imageLib.imageSizeCache(metaData.coverImage.url),
|
|
authorImage: imageLib.imageSizeCache(metaData.authorImage.url),
|
|
ogImage: imageLib.imageSizeCache(metaData.ogImage.url),
|
|
logo: imageLib.imageSizeCache(metaData.site.logo.url)
|
|
};
|
|
|
|
return Promise
|
|
.props(fetch)
|
|
.then(function (imageObj) {
|
|
_.forEach(imageObj, function (key, value) {
|
|
if (_.has(key, 'width') && _.has(key, 'height')) {
|
|
// We have some restrictions for publisher.logo:
|
|
// The image needs to be <=600px wide and <=60px high (ideally exactly 600px x 60px).
|
|
// Unless we have proper image-handling (see https://github.com/TryGhost/Ghost/issues/4453),
|
|
// we will fake it in some cases or not produce an imageObject at all.
|
|
if (value === 'logo') {
|
|
if (key.height <= 60 && key.width <= 600) {
|
|
_.assign(metaData.site[value], {
|
|
dimensions: {
|
|
width: key.width,
|
|
height: key.height
|
|
}
|
|
});
|
|
} else if (key.width === key.height) {
|
|
// CASE: the logo is too large, but it is a square. We fake it...
|
|
_.assign(metaData.site[value], {
|
|
dimensions: {
|
|
width: 60,
|
|
height: 60
|
|
}
|
|
});
|
|
}
|
|
} else {
|
|
_.assign(metaData[value], {
|
|
dimensions: {
|
|
width: key.width,
|
|
height: key.height
|
|
}
|
|
});
|
|
}
|
|
}
|
|
});
|
|
|
|
return metaData;
|
|
});
|
|
}
|
|
|
|
module.exports = getImageDimensions;
|