chayns-components
Version:
A set of beautiful React components for developing chayns® applications.
47 lines (45 loc) • 1.3 kB
JavaScript
;
exports.__esModule = true;
exports.getImageMetaDataFromApi = getImageMetaDataFromApi;
exports.getImageMetaDataFromPreview = getImageMetaDataFromPreview;
async function getImageMetaDataFromApi(url) {
// eslint-disable-next-line no-async-promise-executor
return new Promise(async (resolve, reject) => {
const response = await fetch(url, {
method: 'HEAD'
});
if (response.status === 200) {
resolve({
height: parseInt(response.headers.get('x-amz-meta-height'), 10),
width: parseInt(response.headers.get('x-amz-meta-width'), 10),
preview: response.headers.get('x-amz-meta-preview')
});
} else {
reject(response.status);
}
});
}
function getImageMetaDataFromPreview(url) {
// eslint-disable-next-line no-async-promise-executor
return new Promise(async (resolve, reject) => {
try {
const image = new Image();
image.src = url;
image.onload = () => {
const height = image.naturalHeight;
const width = image.naturalWidth;
if (height && width) {
resolve({
height,
width
});
} else {
reject();
}
};
} catch (err) {
reject(err);
}
});
}
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