default exports

.gitignore

@@ -48,3 +48,4 @@ src/loader.ts
 
 # Build stuff
 dist
+demo/dist

src/addressanonymizer.ts

@@ -1,9 +1,8 @@
-import { data } from "dcmjs";
-import type { dataSet } from "dcmjs";
+import { data, dataSet } from "dcmjs";
 import { lists } from "./lists";
-import { Randomizer } from "./randomizer";
+import Randomizer from "./randomizer";
 
-export class AddressAnonymizer {
+class AddressAnonymizer {
   private randomizer: Randomizer;
   private lists: lists;
 
@@ -40,10 +39,13 @@ export class AddressAnonymizer {
       }
 
       return true;
-    } else {
+    } else if (dataset[dataTag].Value.length == 1) {
       const originalValue: string = dataset[dataTag].Value[0];
       dataset[dataTag].Value[0] = await valueFactory(originalValue);
       return true;
+    } else {
+      dataset[dataTag].Value[0] = await valueFactory("");
+      return true;
     }
   };
 
@@ -92,3 +94,5 @@ export class AddressAnonymizer {
     return `${this.lists.countries[countryIndex]}`;
   };
 }
+
+export default AddressAnonymizer;

src/anonymizer.ts

@@ -1,19 +1,22 @@
 import { data, dataSet } from "dcmjs";
-import { AddressAnonymizer } from "./addressanonymizer";
-import { DateTimeAnonymizer } from "./datetimeanonymizer";
-import { FixedValueAnonymizer } from "./fixedvalueanonymizer";
-import { IDAnonymizer } from "./idanonymizer";
-import { InstitutionAnonymizer } from "./institutionanonymizer";
-import { PNAnonymizer } from "./pnanonymizer";
-import { PrivatTagAnonymizer } from "./privatetaganonymizer";
-import { Randomizer } from "./randomizer";
-import { UIAnonymizer } from "./uianonymizer";
-import { UnwantedElementStripper } from "./unwantedelements";
-import { ValueKeeper } from "./valuekeeper";
-
-type ElementHandler = (dataset: dataSet, tag: string) => boolean | Promise<boolean>;
-
-export class Anonymizer {
+import AddressAnonymizer from "./addressanonymizer";
+import DateTimeAnonymizer from "./datetimeanonymizer";
+import FixedValueAnonymizer from "./fixedvalueanonymizer";
+import IDAnonymizer from "./idanonymizer";
+import InstitutionAnonymizer from "./institutionanonymizer";
+import PNAnonymizer from "./pnanonymizer";
+import PrivatTagAnonymizer from "./privatetaganonymizer";
+import Randomizer from "./randomizer";
+import UIAnonymizer from "./uianonymizer";
+import UnwantedElementStripper from "./unwantedelements";
+import ValueKeeper from "./valuekeeper";
+
+type ElementHandler = (
+  dataset: dataSet,
+  tag: string
+) => boolean | Promise<boolean>;
+
+export default class Anonymizer {
   /**
     The main class responsible for anonymizing dcmjs datasets.
     New instances will anonymize instances differently, so when
@@ -93,7 +96,9 @@ export class Anonymizer {
       this.elementHandlers.unshift(new ValueKeeper(protectedTags).keep);
     }
     if (this.patientID) {
-      this.elementHandlers.unshift(new FixedValueAnonymizer("00100020", this.patientID).anonymize);
+      this.elementHandlers.unshift(
+        new FixedValueAnonymizer("00100020", this.patientID).anonymize
+      );
     }
     if (this.anonymizePrivateTags) {
       this.elementHandlers.push(new PrivatTagAnonymizer().anonymize);
@@ -103,15 +108,17 @@ export class Anonymizer {
     const res = await this.randomizer.toInt("dateOffset");
     const minimumOffsetHours: number = 62 * 24;
     const maximumOffsetHours: number = 730 * 24;
-    
+
     this.dateOffsetHours = Number(
       -(
         (res % (BigInt(maximumOffsetHours) - BigInt(minimumOffsetHours))) +
         BigInt(minimumOffsetHours)
       )
     );
 
-    this.elementHandlers.push(new DateTimeAnonymizer(this.dateOffsetHours).anonymize);
+    this.elementHandlers.push(
+      new DateTimeAnonymizer(this.dateOffsetHours).anonymize
+    );
   }
 
   async anonymize(dcmDict: data.DicomDict) {
@@ -139,7 +146,11 @@ export class Anonymizer {
     }
   }
 
-  async anonymizeElement(dataset: dataSet, tag: string, handler: ElementHandler[]) {
+  async anonymizeElement(
+    dataset: dataSet,
+    tag: string,
+    handler: ElementHandler[]
+  ) {
     // Perform operations on the element
 
     for (const callback of handler) {

src/datetimeanonymizer.ts

@@ -5,7 +5,7 @@ type returnarg = {
   tag: string;
 };
 
-export class DateTimeAnonymizer {
+class DateTimeAnonymizer {
   private offset: number;
 
   constructor(dateOffsetHours: number) {
@@ -92,7 +92,8 @@ export class DateTimeAnonymizer {
   };
 
   formatDate = (date: Date, format: string): string => {
-    const padZero = (value: number, length: number) => String(value).padStart(length, "0");
+    const padZero = (value: number, length: number) =>
+      String(value).padStart(length, "0");
 
     const year = padZero(date.getFullYear(), 4);
     const month = padZero(date.getMonth() + 1, 2); // Months are zero-indexed, so add 1
@@ -116,13 +117,17 @@ export class DateTimeAnonymizer {
     const maxLength = Math.max(...arr.map((arr: string) => arr.length));
 
     return Array.from({ length: maxLength }, (_, index) => {
-      return arr.map((arr: string[number]) => (arr[index] !== undefined ? arr[index] : fillValue));
+      return arr.map((arr: string[number]) =>
+        arr[index] !== undefined ? arr[index] : fillValue
+      );
     });
   };
 
   checkTag = (dataset: dataSet, dataTag: string): returnarg => {
     const tagName =
-      data.DicomMetaDictionary.dictionary[data.DicomMetaDictionary.punctuateTag(dataTag)].name;
+      data.DicomMetaDictionary.dictionary[
+        data.DicomMetaDictionary.punctuateTag(dataTag)
+      ].name;
     const timeName = tagName.replace("Date", "Time");
 
     if (typeof data.DicomMetaDictionary.nameMap[timeName] !== "undefined") {
@@ -153,3 +158,5 @@ export class DateTimeAnonymizer {
     }
   };
 }
+
+export default DateTimeAnonymizer;

src/fixedvalueanonymizer.ts

@@ -1,6 +1,6 @@
 import { dataSet } from "dcmjs";
 
-export class FixedValueAnonymizer {
+class FixedValueAnonymizer {
   private tag: string;
   private value: string;
 
@@ -19,3 +19,5 @@ export class FixedValueAnonymizer {
     }
   };
 }
+
+export default FixedValueAnonymizer;

src/idanonymizer.ts

@@ -1,7 +1,7 @@
 import { data, dataSet } from "dcmjs";
-import { Randomizer } from "./randomizer";
+import Randomizer from "./randomizer";
 
-export class IDAnonymizer {
+class IDAnonymizer {
   private keywords: string[];
   private randomizer: Randomizer;
   private idSuffix: string;
@@ -43,9 +43,11 @@ export class IDAnonymizer {
       for (let i = 0; i < dataset[dataTag].Value.length; i++) {
         dataset[dataTag].Value[i] = await this.newID(dataset[dataTag].Value[i]);
       }
-    } else {
+    } else if (dataset[dataTag].Value.length == 1) {
       const originalValue = dataset[dataTag].Value[0];
       dataset[dataTag].Value[0] = await this.newID(originalValue);
+    } else {
+      dataset[dataTag].Value[0] = await this.newID("");
     }
   };
 
@@ -59,3 +61,5 @@ export class IDAnonymizer {
     return this.idPrefix + idRoot + this.idSuffix;
   };
 }
+
+export default IDAnonymizer;

src/institutionanonymizer.ts

@@ -1,7 +1,7 @@
 import { data, dataSet } from "dcmjs";
-import { AddressAnonymizer } from "./addressanonymizer";
+import AddressAnonymizer from "./addressanonymizer";
 
-export class InstitutionAnonymizer {
+class InstitutionAnonymizer {
   private addressAnonymizer: AddressAnonymizer;
 
   institutionName: string = data.DicomMetaDictionary.nameMap["InstitutionName"].tag; //0008,0080
@@ -38,15 +38,13 @@ export class InstitutionAnonymizer {
       for (let i = 0; i < dataset[dataTag].Value.length; i++) {
         dataset[dataTag].Value[i] = await valueFactory(dataset[dataTag].Value[i]);
       }
-      // dataset[dataTag].Value = await dataset[dataTag].Value.map((originalValue: string) => {
-      //   return valueFactory(originalValue);
-      // });
-
       return true;
-    } else {
+    } else if (dataset[dataTag].Value.length == 1) {
       const originalValue: string = dataset[dataTag].Value[0];
       dataset[dataTag].Value[0] = await valueFactory(originalValue);
-
+      return true;
+    } else {
+      dataset[dataTag].Value[0] = await valueFactory("");
       return true;
     }
   };
@@ -72,3 +70,5 @@ export class InstitutionAnonymizer {
     return Promise.resolve("RADIOLOGY");
   };
 }
+
+export default InstitutionAnonymizer;

src/pnanonymizer.ts

@@ -1,8 +1,8 @@
 import { dataSet } from "dcmjs";
 import { lists } from "./lists";
-import { Randomizer } from "./randomizer";
+import Randomizer from "./randomizer";
 
-export class PNAnonymizer {
+class PNAnonymizer {
   private randomizer: Randomizer;
   lists: lists;
 
@@ -28,10 +28,12 @@ export class PNAnonymizer {
           patientSex
         );
       }
-    } else {
+    } else if (dataset[dataTag].Value.length == 1) {
       const originalName = dataset[dataTag].Value[0].Alphabetic;
 
       dataset[dataTag].Value[0].Alphabetic = await this.newPN(originalName, patientSex);
+    } else {
+      dataset[dataTag].Value[0].Alphabetic = await this.newPN("", patientSex);
     }
 
     return true;
@@ -63,3 +65,5 @@ export class PNAnonymizer {
     }`;
   }
 }
+
+export default PNAnonymizer;

src/privatetaganonymizer.ts

@@ -1,6 +1,6 @@
 import { data, dataSet } from "dcmjs";
 
-export class PrivatTagAnonymizer {
+class PrivatTagAnonymizer {
   anonymize = (dataset: dataSet, dataTag: string): boolean => {
     const currTag = data.Tag.fromString(dataTag);
     if (currTag.group() % 2 === 1) {
@@ -11,3 +11,5 @@ export class PrivatTagAnonymizer {
     }
   };
 }
+
+export default PrivatTagAnonymizer;

src/randomizer.ts

@@ -1,8 +1,4 @@
-
-
-// use only in node env
-
-export class Randomizer {
+class Randomizer {
   private seed: string;
 
   constructor(seed = "") {
@@ -55,7 +51,9 @@ export class Randomizer {
     //   getRandomValues(randomValues);
     // }
 
-    const seed = Array.from(randomValues, (byte) => byte.toString(16).padStart(2, "0")).join("");
+    const seed = Array.from(randomValues, (byte) =>
+      byte.toString(16).padStart(2, "0")
+    ).join("");
 
     return seed;
   }
@@ -86,7 +84,10 @@ export class Randomizer {
 
     return result;
   }
-  public async getIntsFromRanges(originalValue: string, ...suprema: number[]): Promise<number[]> {
+  public async getIntsFromRanges(
+    originalValue: string,
+    ...suprema: number[]
+  ): Promise<number[]> {
     let result: bigint | number[] = [];
     let bigNumber = await this.toInt(originalValue);
     const arr: number[] = [];
@@ -101,3 +102,5 @@ export class Randomizer {
     return result;
   }
 }
+
+export default Randomizer;

src/uianonymizer.ts

@@ -1,7 +1,7 @@
 import { data, dataSet } from "dcmjs";
-import { Randomizer } from "./randomizer";
+import Randomizer from "./randomizer";
 
-export class UIAnonymizer {
+class UIAnonymizer {
   private randomizer: Randomizer;
 
   constructor(Randomizer: Randomizer) {
@@ -23,9 +23,11 @@ export class UIAnonymizer {
         for (let i = 0; i < dataset[dataTag].Value.length; i++) {
           dataset[dataTag].Value[i] = await this.newUI(dataset[dataTag].Value[i]);
         }
-      } else {
+      } else if (dataset[dataTag].Value.length == 1) {
         const originalUI = dataset[dataTag].Value[0];
         dataset[dataTag].Value[0] = await this.newUI(originalUI);
+      } else {
+        dataset[dataTag].Value[0] = await this.newUI("");
       }
 
       return true;
@@ -38,3 +40,5 @@ export class UIAnonymizer {
     return `2.${BigInt(10 ** 39) + number4String}`;
   }
 }
+
+export default UIAnonymizer;

src/valuekeeper.ts

@@ -10,7 +10,7 @@ class TagError extends Error {
   }
 }
 
-export class ValueKeeper {
+class ValueKeeper {
   private protectedTags: string[] = [];
 
   constructor(keywords: string[] = []) {
@@ -50,3 +50,5 @@ export class ValueKeeper {
     }
   };
 }
+
+export default ValueKeeper;