helpers/misc/extractImgHeight.js
'use strict';
// Regex to find dimensions and extract height and multiplier (where included)
// Resulting array contains [full match, height, multiplier]
const dimRegex = /\.w(?:[0-9]+)\.h([0-9]+)\.(?:([1-2])x\.)?/;
/**
* Extract the height of a mediaplay image given the image URL.
* @param {string} url
* @returns {object} extracted height
*/
module.exports = function (url) {
var matches,
multiplier = 1;
if (url && url !== '') {
matches = url.match(dimRegex);
if (matches && matches.length) {
// Multiplier
if (matches[2]) {
multiplier = parseInt(matches[2], 10);
}
// Height * multiplier
return parseInt(matches[1], 10) * multiplier;
}
}
return null;
};
module.exports.example = {
code: '{{ extractImgHeight feedImgUrl }}',
result: '946'
};