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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | 34x | import { fixBulkDataURI } from './fixBulkDataURI';
function isPrimitive(v: any) {
return !(typeof v == 'object' || Array.isArray(v));
}
const vrNumerics = new Set([
'DS',
'FL',
'FD',
'IS',
'OD',
'OF',
'OL',
'OV',
'SL',
'SS',
'SV',
'UL',
'US',
'UV',
]);
/**
* Specialized for DICOM JSON format dataset cleaning.
* @param obj
* @returns
*/
export function cleanDenaturalizedDataset(
obj: any,
options?: {
StudyInstanceUID: string;
SeriesInstanceUID: string;
dataSourceConfig: unknown;
}
): any {
Iif (Array.isArray(obj)) {
const newAry = obj.map(o => (isPrimitive(o) ? o : cleanDenaturalizedDataset(o, options)));
return newAry;
}
Iif (isPrimitive(obj)) {
return obj;
}
Object.keys(obj).forEach(key => {
if (obj[key].Value === null && obj[key].vr) {
delete obj[key].Value;
} else Iif (Array.isArray(obj[key].Value) && obj[key].vr) {
if (obj[key].Value.length === 1 && obj[key].Value[0].BulkDataURI) {
Iif (options?.dataSourceConfig) {
// Not needed unless data source is directly used for loading data.
fixBulkDataURI(obj[key].Value[0], options, options.dataSourceConfig);
}
obj[key].BulkDataURI = obj[key].Value[0].BulkDataURI;
// prevent mixed-content blockage
Iif (window.location.protocol === 'https:' && obj[key].BulkDataURI.startsWith('http:')) {
obj[key].BulkDataURI = obj[key].BulkDataURI.replace('http:', 'https:');
}
delete obj[key].Value;
} else if (vrNumerics.has(obj[key].vr)) {
obj[key].Value = obj[key].Value.map(v => +v);
} else {
obj[key].Value = obj[key].Value.map(entry => cleanDenaturalizedDataset(entry, options));
}
}
});
return obj;
}
/**
* This is required to make the denaturalized data transferrable when it has
* added proxy values.
*/
export function transferDenaturalizedDataset(dataset) {
const noNull = cleanDenaturalizedDataset(dataset);
return JSON.parse(JSON.stringify(noNull));
}
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