fix typescript errors

server/src/routes/analytic_units_router.ts

@@ -8,7 +8,7 @@ import * as _ from 'lodash';
 
 
 async function getStatus(ctx: Router.IRouterContext) {
-  let analyticUnitId = ctx.request.query.id;
+  let analyticUnitId = ctx.request.query.id as string;
   if(analyticUnitId === undefined) {
     throw new Error('Cannot get status of undefined id');
   }
@@ -23,12 +23,14 @@ async function getStatus(ctx: Router.IRouterContext) {
   };
 
   if(analyticUnit.status === AnalyticUnit.AnalyticUnitStatus.FAILED) {
-    ctx.response.body.errorMessage = analyticUnit.error;
+    ctx.response.body = {
+      errorMessage: analyticUnit.error
+    };
   }
 }
 
 async function getUnits(ctx: Router.IRouterContext) {
-  const panelId = ctx.request.query.panelId;
+  const panelId = ctx.request.query.panelId as string;
   if(panelId === undefined) {
     throw new Error('Cannot get units of undefined panelId');
   }
@@ -118,7 +120,7 @@ async function updateAlert(ctx: Router.IRouterContext) {
 }
 
 async function deleteUnit(ctx: Router.IRouterContext) {
-  const analyticUnitId = ctx.request.query.id;
+  const analyticUnitId = ctx.request.query.id as string;
   if(analyticUnitId === undefined) {
     throw new Error('Cannot delete undefined id');
   }

server/src/routes/data_router.ts

@@ -6,24 +6,24 @@ import * as Router from 'koa-router';
 
 async function query(ctx: Router.IRouterContext) {
 
-  let from = ctx.request.query.from;
+  let queryFrom = ctx.request.query.from as string;
-  let to = ctx.request.query.to;
+  let queryTo = ctx.request.query.to as string;
-  const analyticUnitId = ctx.request.query.analyticUnitId;
+  const analyticUnitId = ctx.request.query.analyticUnitId as string;
 
   if(analyticUnitId === undefined) {
     throw new Error(`data router error: request must contain analyticUnitId`);
   }
 
-  if(from === undefined) {
+  if(queryFrom === undefined) {
     throw new Error(`data router error: request must contain 'from'`)
   }
 
-  if(to === undefined) {
+  if(queryTo === undefined) {
     throw new Error(`data router error: request must contain 'to'`)
   }
 
-  from = +from;
+  const from = +queryFrom;
-  to = +to;
+  const to = +queryTo;
 
   if(from === NaN) {
     throw new Error(`from must be not NaN`);

server/src/routes/detections_router.ts

@@ -10,7 +10,7 @@ declare type DetectionSpansResponse = {
 }
 
 export async function getDetectionSpans(ctx: Router.IRouterContext) {
-  let id: AnalyticUnitId = ctx.request.query.id;
+  const id = ctx.request.query.id as AnalyticUnitId;
   if(id === undefined || id === '') {
     throw new Error('analyticUnitId (id) is missing');
   }

server/src/routes/panel_router.ts

@@ -5,7 +5,7 @@ import * as Router from 'koa-router';
 
 
 async function exportGrafanaPanelTemplate(ctx: Router.IRouterContext) {
-  let panelId = ctx.request.query.panelId;
+  const panelId = ctx.request.query.panelId as string;
   if(panelId === undefined) {
     throw new Error('Cannot export analytic units with undefined panelId');
   }

server/src/routes/segments_router.ts

@@ -7,7 +7,7 @@ import * as Router from 'koa-router';
 
 
 export async function getSegments(ctx: Router.IRouterContext) {
-  let id: AnalyticUnitId = ctx.request.query.id;
+  const id = ctx.request.query.id as AnalyticUnitId;
   if(id === undefined || id === '') {
     throw new Error('analyticUnitId (id) is missing');
   }

server/src/services/data_layer/nedb.ts

@@ -36,7 +36,7 @@ export class NeDbQueryWrapper implements DbQueryWrapper {
     // https://github.com/louischatriot/nedb#updating-documents
     let nedbUpdateQuery = { $set: updateQuery }
     query = wrapIdToQuery(query);
-    return new Promise<any>((resolve, reject) => {
+    return new Promise<void>((resolve, reject) => {
       nd.update(
         query,
         nedbUpdateQuery,

server/src/services/json_service.ts

@@ -22,7 +22,7 @@ async function getJsonData(filename: string): Promise<Object> {
 }
 
 function writeJsonData(filename: string, data: Object) {
-  return new Promise((resolve, reject) => {
+  return new Promise<void>((resolve, reject) => {
     fs.writeFile(filename, JSON.stringify(data), 'utf8', (err) => {
       if(err) {
         console.error(err);