Release 3.1.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nightscout-librelink-up",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "Script written in TypeScript that uploads CGM readings from LibreLink Up to Nightscout",
   "main": "dist/index.js",
   "scripts": {
@@ -35,24 +35,24 @@
   },
   "homepage": "https://github.com/timoschlueter/nightscout-librelink-up#readme",
   "dependencies": {
-    "axios": "~1.12.2",
+    "axios": "~1.13.2",
     "axios-mock-adapter": "~2.1.0",
     "http-cookie-agent": "~7.0.2",
     "node-cron": "~4.2.1",
-    "tough-cookie": "~5.0.0",
+    "tough-cookie": "~5.1.2",
     "winston": "~3.18.3"
   },
   "devDependencies": {
-    "@tsconfig/node20": "~20.1.6",
+    "@tsconfig/node20": "~20.1.7",
     "@types/jest": "~30.0.0",
-    "@types/node": "~24.6.2",
+    "@types/node": "~24.10.1",
     "@types/node-cron": "~3.0.11",
     "@types/tough-cookie": "~4.0.5",
-    "@typescript-eslint/eslint-plugin": "~8.45.0",
-    "@typescript-eslint/parser": "~8.45.0",
-    "eslint": "~9.36.0",
+    "@typescript-eslint/eslint-plugin": "~8.46.4",
+    "@typescript-eslint/parser": "~8.46.4",
+    "eslint": "~9.39.1",
     "jest": "~30.2.0",
-    "ts-jest": "~29.4.4",
+    "ts-jest": "~29.4.5",
     "ts-node": "~10.9.2",
     "typescript": "~5.9.3"
   }

src/config.ts

@@ -56,15 +56,16 @@ function readConfig()
         linkUpUsername: process.env.LINK_UP_USERNAME as string,
         linkUpPassword: process.env.LINK_UP_PASSWORD as string,
         linkUpVersion: process.env.LINK_UP_VERSION || "4.16.0",
-
         logLevel: process.env.LOG_LEVEL || 'info',
         singleShot: process.env.SINGLE_SHOT === 'true',
         allData: process.env.ALL_DATA === 'true',
-
         nightscoutApiV3: process.env.NIGHTSCOUT_API_V3 === 'true',
         nightscoutDisableHttps: process.env.NIGHTSCOUT_DISABLE_HTTPS === 'true',
-        nightscoutDevice: process.env.DEVICE_NAME || 'nightscout-librelink-up',
-
+        nightscoutDevice:
+        process.env.NIGHTSCOUT_API_V3 === "true"
+            ? process.env.NIGHTSCOUT_DEVICE_NAME || "freestyle-libre"
+            : process.env.NIGHTSCOUT_DEVICE_NAME || "nightscout-librelink-up",
+        nightscoutApp: process.env.APP || 'librelinkup-to-nightscout-script',
         linkUpRegion: process.env.LINK_UP_REGION || 'EU',
         linkUpTimeInterval: Number(process.env.LINK_UP_TIME_INTERVAL) || 5,
         linkUpConnection: process.env.LINK_UP_CONNECTION as string,

src/index.ts

@@ -51,7 +51,7 @@ const logFormat = printf(({level, message}) =>
     return `[${level}]: ${message}`;
 });
 
-const logger = createLogger({
+export const logger = createLogger({
     format: combine(
         timestamp(),
         logFormat

src/nightscout/apiv1.ts

@@ -1,64 +1,63 @@
-import {Entry, NightscoutAPI, NightscoutConfig} from "./interface";
-import axios, {RawAxiosRequestHeaders} from "axios";
+import axios, { RawAxiosRequestHeaders } from "axios";
+import { Entry, NightscoutAPI, NightscoutConfig } from "./interface";
+import { logger } from "..";
 
-interface NightscoutHttpHeaders extends RawAxiosRequestHeaders
-{
-    "api-secret": string | undefined;
+interface NightscoutApiV1HttpHeaders extends RawAxiosRequestHeaders {
+  "api-secret": string | undefined;
 }
 
-export class Client implements NightscoutAPI
-{
-    readonly baseUrl: string;
-    readonly headers: NightscoutHttpHeaders;
-    readonly device: string;
+export class Client implements NightscoutAPI {
+  readonly baseUrl: string;
+  readonly headers: NightscoutApiV1HttpHeaders;
+  readonly device: string;
 
     constructor(config: NightscoutConfig)
     {
-        this.baseUrl = config.nightscoutBaseUrl;
-        this.headers = {
-            "api-secret": config.nightscoutApiToken,
-            "User-Agent": "FreeStyle LibreLink Up NightScout Uploader",
-            "Content-Type": "application/json",
-        };
-        this.device = config.nightscoutDevice;
-    }
+    this.baseUrl = config.nightscoutBaseUrl;
+    this.headers = {
+      "api-secret": config.nightscoutApiToken,
+      "User-Agent": "FreeStyle LibreLink Up NightScout Uploader",
+      "Content-Type": "application/json",
+    };
+    this.device = config.nightscoutDevice;
+  }
 
     async lastEntry(): Promise<Entry | null>
     {
-        const url = new URL("/api/v1/entries?count=1", this.baseUrl).toString();
+    const url = new URL("/api/v1/entries?count=1", this.baseUrl).toString();
         const resp = await axios.get(url, {headers: this.headers});
 
         if (resp.status !== 200)
         {
-            throw Error(`failed to get last entry: ${resp.statusText}`);
-        }
+      throw Error(`failed to get last entry: ${resp.statusText}`);
+    }
 
         if (!resp.data || resp.data.length === 0)
         {
-            return null;
-        }
-        return resp.data.pop();
+      return null;
     }
+    return resp.data.pop();
+  }
 
     async uploadEntries(entries: Entry[]): Promise<void>
     {
-        const url = new URL("/api/v1/entries", this.baseUrl).toString();
-        const entriesV1 = entries.map((e) => ({
-            type: "sgv",
-            sgv: e.sgv,
-            direction: e.direction?.toString(),
-            device: this.device,
-            date: e.date.getTime(),
-            dateString: e.date.toISOString(),
-        }));
+    const url = new URL("/api/v1/entries", this.baseUrl).toString();
+    const entriesV1 = entries.map((e) => ({
+      type: "sgv",
+      sgv: e.sgv,
+      direction: e.direction?.toString(),
+      device: this.device,
+      date: e.date.getTime(),
+      dateString: e.date.toISOString(),
+    }));
 
         const resp = await axios.post(url, entriesV1, {headers: this.headers});
 
         if (resp.status !== 200)
         {
             throw Error(`failed to post new entries: ${resp.statusText} ${resp.status}`);
-        }
-
-        return;
     }
+
+    return;
+  }
 }

src/nightscout/apiv3.ts

@@ -1,15 +1,119 @@
-import { Entry, NightscoutAPI, NightscoutConfig } from './interface';
+import axios, { RawAxiosRequestHeaders } from "axios";
+import { logger } from "..";
+import { Entry, NightscoutAPI, NightscoutConfig } from "./interface";
+
+interface NightscoutApiV3HttpHeaders extends RawAxiosRequestHeaders {
+  Authorization: string;
+}
 
 export class Client implements NightscoutAPI {
-	constructor(config: NightscoutConfig) {
-		throw new Error('Not implemented');
-	}
+  readonly baseUrl: string;
+  readonly headers: NightscoutApiV3HttpHeaders;
+  readonly device: string;
+  readonly accessToken: string;
+  readonly app: string;
+
+  constructor(config: NightscoutConfig) {
+    this.baseUrl = config.nightscoutBaseUrl;
+    this.headers = {
+      "User-Agent": "FreeStyle LibreLink Up NightScout Uploader",
+      "Content-Type": "application/json",
+      Authorization: "",
+    };
+    this.device = config.nightscoutDevice;
+    this.accessToken = config.nightscoutApiToken;
+    this.app = config.nightscoutApp;
+  }
+
+  private addBearerJwtToken(jwtToken: string): string {
+    if (!jwtToken) {
+      throw Error("No jwtToken found");
+    }
+    return `Bearer ${jwtToken}`;
+  }
+
+  async getJwtToken(): Promise<string> {
+    let newToken = "";
+    try {
+      const url = new URL(
+        `/api/v2/authorization/request/${this.accessToken}`,
+        this.baseUrl
+      ).toString();
+      const resp = await axios.get(url, {
+        headers: {
+          ...this.headers,
+          Accept: "application/json",
+        },
+      });
+      if (resp.status !== 200 || !resp.data.token) {
+        throw Error(`Error getting JWT token: ${resp.statusText} `);
+      }
+      newToken = await resp.data.token;
+    } catch (error) {
+      logger.error("Error getting JWT token:", error);
+    }
+    return newToken;
+  }
+
+  async lastEntry(): Promise<Entry | null> {
+    const jwtToken = await this.getJwtToken();
+    const url = new URL(
+      "/api/v3/entries?limit=1&sort$desc=date",
+      this.baseUrl
+    ).toString();
+    const resp = await axios.get(url, {
+      headers: {
+        ...this.headers,
+        Authorization: this.addBearerJwtToken(jwtToken),
+      } as NightscoutApiV3HttpHeaders,
+    });
+    if (resp.status !== 200) {
+      throw Error(`Failed to get last entry: ${resp.statusText}`);
+    }
+    if (!resp.data.result || resp.data.result.length === 0) {
+      throw Error(
+        `Last entry not found in response data: ${JSON.stringify(resp.data)}`
+      );
+    }
+    return resp.data.result.pop();
+  }
+
+  async uploadEntries(entries: Entry[]): Promise<void> {
+    const jwtToken = await this.getJwtToken();
+    const url = new URL("/api/v3/entries", this.baseUrl).toString();
+
+    if (!entries.length) {
+      throw Error(`No entries to upload`);
+    }
+
+    const entryPayloads = entries.map((entry) => ({
+      type: "sgv",
+      sgv: entry.sgv,
+      direction: entry.direction?.toString(),
+      device: this.device,
+      date: entry.date.getTime(),
+      app: this.app,
+    }));
 
-	async lastEntry(): Promise<Entry | null> {
-		throw new Error('Not implemented');
-	}
+    // APIv3 accepts only single entries
+    const responses = await Promise.all(
+      entryPayloads.map((entryV3) =>
+        axios.post(url, entryV3, {
+          headers: {
+            ...this.headers,
+            Authorization: this.addBearerJwtToken(jwtToken),
+          } as NightscoutApiV3HttpHeaders,
+        })
+      )
+    );
 
-	async uploadEntries(entries: Entry[]): Promise<void> {
-		throw new Error('Not implemented');
-	}
+    responses.forEach((resp) => {
+      if (resp.status !== 201) {
+        throw Error(
+          `failed to post new entries: ${resp.statusText} ${resp.status}`
+        );
+      }
+    });
+    return;
+  }
 }

src/nightscout/interface.ts

@@ -13,6 +13,7 @@ export interface NightscoutConfig {
 	nightscoutApiToken: string;
 	nightscoutBaseUrl: string;
 	nightscoutDevice: string;
+	nightscoutApp: string;
 }
 
 export interface Entry {

tsconfig.json

@@ -3,7 +3,9 @@
   "compilerOptions": {
     "outDir": "dist",
     "strict": true,
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true
   },
   "include": [
     "src"