Return 5 min cgm sample frequency for Libre 3 datums

src/utils/bloodglucose.js

@@ -221,7 +221,15 @@ export function weightedCGMCount(data) {
  */
 export function cgmSampleFrequency(datum) {
   const deviceId = _.get(datum, 'deviceId', '');
-  return deviceId.indexOf('AbbottFreeStyleLibre') === 0 ? 15 * MS_IN_MIN : 5 * MS_IN_MIN;
+  if (deviceId.indexOf('AbbottFreeStyleLibre3') === 0) {
+    return 5 * MS_IN_MIN;
+  }
+
+  if (deviceId.indexOf('AbbottFreeStyleLibre') === 0) {
+    return 15 * MS_IN_MIN;
+  }
+
+  return 5 * MS_IN_MIN;
 }
 
 /**

test/utils/bloodglucose.test.js

@@ -482,6 +482,11 @@ describe('blood glucose utilities', () => {
         deviceId: 'AbbottFreeStyleLibre_XXXXXXX',
       };
       expect(bgUtils.cgmSampleFrequency(libreDatum)).to.equal(15 * MS_IN_MIN);
+
+      const libre3Datum = {
+        deviceId: 'AbbottFreeStyleLibre3_XXXXXXX',
+      };
+      expect(bgUtils.cgmSampleFrequency(libre3Datum)).to.equal(5 * MS_IN_MIN);
     });
   });