Add lint rule for unhandled promise rejections

lib/extensions.ts

@@ -58,6 +58,7 @@ export function run(args: string[]): Promise<{ fault: Fault; value: any }> {
             });
           }
 
+          // eslint-disable-next-line @typescript-eslint/no-floating-promises
           kill(processes[scriptName]);
           delete processes[scriptName];
         }

lib/session.ts

@@ -299,7 +299,7 @@ export async function transferComplete(
   sessionContext.operationsTouched[commandKey] = 1;
 
   if (rpcReq.faultStruct && rpcReq.faultStruct.faultCode !== "0") {
-    await revertDownloadParameters(sessionContext, operation.args.instance);
+    revertDownloadParameters(sessionContext, operation.args.instance);
 
     const fault: Fault = {
       code: `cwmp.${rpcReq.faultStruct.faultCode}`,
@@ -398,10 +398,10 @@ export async function transferComplete(
   };
 }
 
-async function revertDownloadParameters(
+function revertDownloadParameters(
   sessionContext: SessionContext,
   instance
-): Promise<void> {
+): void {
   const timestamp = sessionContext.timestamp + sessionContext.iteration + 1;
 
   let p;

lib/ui/api-functions.ts

@@ -110,7 +110,7 @@ export async function postTasks(
   try {
     await connectionRequest(deviceId, device);
   } catch (err) {
-    for (const t of statuses) db.deleteTask(new ObjectID(t._id));
+    await Promise.all(statuses.map((t) => db.deleteTask(new ObjectID(t._id))));
     return {
       connectionRequest: err.message,
       tasks: statuses,
@@ -138,9 +138,10 @@ export async function postTasks(
       r.status = "fault";
       r["fault"] = res[i * 2 + 1][0];
     }
-    db.deleteTask(new ObjectID(r._id));
   }
 
+  await Promise.all(statuses.map((t) => db.deleteTask(new ObjectID(t._id))));
+
   return { connectionRequest: "OK", tasks: statuses };
 }
 

lib/ui/db.ts

@@ -128,78 +128,80 @@ export function query(
   }
 
   return new Promise((resolve, reject) => {
-    getClient().then((client) => {
-      const collection = client
-        .db()
-        .collection(RESOURCE_COLLECTION[resource] || resource);
-      const cursor = collection.find(q);
-      if (options.projection) {
-        let projection = options.projection;
-        if (resource === "devices") {
-          projection = mongodbFunctions.processDeviceProjection(
-            options.projection
-          );
+    getClient()
+      .then((client) => {
+        const collection = client
+          .db()
+          .collection(RESOURCE_COLLECTION[resource] || resource);
+        const cursor = collection.find(q);
+        if (options.projection) {
+          let projection = options.projection;
+          if (resource === "devices") {
+            projection = mongodbFunctions.processDeviceProjection(
+              options.projection
+            );
+          }
+
+          if (resource === "presets") projection.configurations = 1;
+          cursor.project(projection);
         }
 
-        if (resource === "presets") projection.configurations = 1;
-        cursor.project(projection);
-      }
+        if (resource === "users") cursor.project({ password: 0, salt: 0 });
 
-      if (resource === "users") cursor.project({ password: 0, salt: 0 });
+        if (options.skip) cursor.skip(options.skip);
+        if (options.limit) cursor.limit(options.limit);
 
-      if (options.skip) cursor.skip(options.skip);
-      if (options.limit) cursor.limit(options.limit);
+        if (options.sort) {
+          let s = Object.entries(options.sort)
+            .sort((a, b) => Math.abs(b[1]) - Math.abs(a[1]))
+            .reduce(
+              (obj, [k, v]) =>
+                Object.assign(obj, { [k]: Math.min(Math.max(v, -1), 1) }),
+              {}
+            );
 
-      if (options.sort) {
-        let s = Object.entries(options.sort)
-          .sort((a, b) => Math.abs(b[1]) - Math.abs(a[1]))
-          .reduce(
-            (obj, [k, v]) =>
-              Object.assign(obj, { [k]: Math.min(Math.max(v, -1), 1) }),
-            {}
-          );
+          if (resource === "devices") s = mongodbFunctions.processDeviceSort(s);
+          cursor.sort(s);
+        }
 
-        if (resource === "devices") s = mongodbFunctions.processDeviceSort(s);
-        cursor.sort(s);
-      }
-
-      if (!callback) {
-        cursor.toArray((err, docs) => {
-          if (err) return reject(err);
-          if (resource === "devices")
-            docs = docs.map((d) => mongodbFunctions.flattenDevice(d));
-          else if (resource === "faults")
-            docs = docs.map((d) => mongodbFunctions.flattenFault(d));
-          else if (resource === "tasks")
-            docs = docs.map((d) => mongodbFunctions.flattenTask(d));
-          else if (resource === "presets")
-            docs = docs.map((d) => mongodbFunctions.flattenPreset(d));
-          else if (resource === "files")
-            docs = docs.map((d) => mongodbFunctions.flattenFile(d));
-          return resolve(docs);
-        });
-      } else {
-        cursor.forEach(
-          (doc) => {
+        if (!callback) {
+          cursor.toArray((err, docs) => {
+            if (err) return reject(err);
             if (resource === "devices")
-              doc = mongodbFunctions.flattenDevice(doc);
+              docs = docs.map((d) => mongodbFunctions.flattenDevice(d));
             else if (resource === "faults")
-              doc = mongodbFunctions.flattenFault(doc);
+              docs = docs.map((d) => mongodbFunctions.flattenFault(d));
             else if (resource === "tasks")
-              doc = mongodbFunctions.flattenTask(doc);
+              docs = docs.map((d) => mongodbFunctions.flattenTask(d));
             else if (resource === "presets")
-              doc = mongodbFunctions.flattenPreset(doc);
+              docs = docs.map((d) => mongodbFunctions.flattenPreset(d));
             else if (resource === "files")
-              doc = mongodbFunctions.flattenFile(doc);
-            callback(doc);
-          },
-          (err) => {
-            if (err) reject(err);
-            else resolve();
-          }
-        );
-      }
-    });
+              docs = docs.map((d) => mongodbFunctions.flattenFile(d));
+            return resolve(docs);
+          });
+        } else {
+          cursor.forEach(
+            (doc) => {
+              if (resource === "devices")
+                doc = mongodbFunctions.flattenDevice(doc);
+              else if (resource === "faults")
+                doc = mongodbFunctions.flattenFault(doc);
+              else if (resource === "tasks")
+                doc = mongodbFunctions.flattenTask(doc);
+              else if (resource === "presets")
+                doc = mongodbFunctions.flattenPreset(doc);
+              else if (resource === "files")
+                doc = mongodbFunctions.flattenFile(doc);
+              callback(doc);
+            },
+            (err) => {
+              if (err) reject(err);
+              else resolve();
+            }
+          );
+        }
+      })
+      .catch(reject);
   });
 }
 
@@ -221,15 +223,17 @@ export function count(resource: string, filter: Expression): Promise<number> {
   }
 
   return new Promise((resolve, reject) => {
-    getClient().then((client) => {
-      const collection = client
-        .db()
-        .collection(RESOURCE_COLLECTION[resource] || resource);
-      collection.find(q).count((err, c) => {
-        if (err) reject(err);
-        else resolve(c);
-      });
-    });
+    getClient()
+      .then((client) => {
+        const collection = client
+          .db()
+          .collection(RESOURCE_COLLECTION[resource] || resource);
+        collection.find(q).count((err, c) => {
+          if (err) reject(err);
+          else resolve(c);
+        });
+      })
+      .catch(reject);
   });
 }