ohif-viewer/Packages/ohif-dicomweb-client/src/getNumber.js

22 lines
668 B
JavaScript

/**
* Returns the first string value as a Javascript Number
* @param element - The group/element of the element (e.g. '00200013')
* @param [defaultValue] - The default value to return if the element does not exist
* @returns {*}
*/
export default function getNumber(element, defaultValue) {
if (!element) {
return defaultValue;
}
// Value is not present if the attribute has a zero length value
if (!element.Value) {
return defaultValue;
}
// Sanity check to make sure we have at least one entry in the array.
if (!element.Value.length) {
return defaultValue;
}
return parseFloat(element.Value[0]);
};