Read decimal values from XML input as numbers

src/utils/Processing.ts

@@ -295,7 +295,11 @@ export function readJSONorXML(file: string): FileImport {
     return importedFile;
   } else if (file.endsWith('.xml')) {
     const buffer = fs.readFileSync(file);
-    const importedFile: FileImport = { content: FHIRConverter.xmlToObj(buffer.toString()) };
+    // xmlToObj keeps decimal values as strings, so convert to JSON text first.
+    // xmlToJson writes decimals as JSON numbers, which gives the same result as reading
+    // the equivalent JSON file.
+    const json = FHIRConverter.xmlToJson(buffer.toString());
+    const importedFile: FileImport = { content: json != null ? JSON.parse(json) : undefined };
     if (buffer.length > LARGE_FILE_BUFFER_LENGTH) {
       importedFile.large = true;
     }

test/utils/Processing.test.ts

@@ -566,6 +566,17 @@ describe('Processing', () => {
       );
     });
 
+    it('should read decimal values in xml files as numbers', () => {
+      const XMLFilePath = path.join(__dirname, 'fixtures', 'xml-decimals', 'location.xml');
+      const JSONFilePath = path.join(__dirname, 'fixtures', 'xml-decimals', 'location.json');
+
+      const xmlFileImport = readJSONorXML(XMLFilePath);
+
+      expect(xmlFileImport.content.position.longitude).toBe(-97.7047386);
+      expect(xmlFileImport.content.position.latitude).toBe(30.4159542);
+      expect(xmlFileImport.content).toEqual(fs.readJSONSync(JSONFilePath));
+    });
+
     it('should not log an error when JSON files begin with a Byte Order Mark', () => {
       const JSONFilePath = path.join(__dirname, 'fixtures', 'with-BOM', 'badBOM.json');
 

test/utils/fixtures/xml-decimals/location.json

@@ -0,0 +1,9 @@
+{
+  "resourceType": "Location",
+  "id": "orgloc",
+  "name": "Org Location",
+  "position": {
+    "longitude": -97.7047386,
+    "latitude": 30.4159542
+  }
+}

test/utils/fixtures/xml-decimals/location.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Location xmlns="http://hl7.org/fhir">
+  <id value="orgloc"/>
+  <name value="Org Location"/>
+  <position>
+    <longitude value="-97.7047386"/>
+    <latitude value="30.4159542"/>
+  </position>
+</Location>