image2.js
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module.exports = function(imageUrl, opts) {
if (imageUrl) {
let params = opts.hash;
let urls = imageUrl.split('?');
let query = urls[1] || '';
let uri = urls[0];
if (uri.indexOf('http:') === 0) {
uri = uri.replace('http:', '');
}
if (query) {
query = query.replace(/{width}/g, params.w)
.replace(/{height}/g, params.h)
.replace(/{mode}/g, (params.mode || 2));
if (query.indexOf('imageView2') === 0) {
if (params.q && query.indexOf('/q/') > 0) {
query = query.replace(/\/q\/\d+/g, '/q/' + params.q);
} else {
query += '/q/' + params.q;
}
} else if (query.indexOf('imageMogr2') === 0) {
if (params.q && query.indexOf('/quality/') > 0) {
query = query.replace(/\/quality\/\d+/g, '/quality/' + params.q);
} else {
query += '/quality/' + params.q;
}
} else if (query.indexOf('imageView/') === 0) {
if (params.q && query.indexOf('/q/') > 0) {
query = query.replace(/\/q\/\d+/g, '/q/' + params.q);
} else {
query += '/q/' + params.q;
}
if (params.mode) {
query = query.replace(/imageView\/\d{1}\//, 'imageView/' + params.mode + '/');
}
}
} else {
query = 'imageView2/2/interlace/1/q/' + (params.q || 75);
}
return uri + '?' + query;
} else {
return imageUrl;
}
};