Fix unused variable ESLint error

Author: tolauwae

src/messaging/Message.ts

@@ -1,16 +1,16 @@
 import {WARDuino} from '../debug/WARDuino';
-import {ackParser, breakpointParser, identityParser, invokeParser, stateParser} from './Parsers';
+import {ackParser, breakpointParser, invokeParser, stateParser} from './Parsers';
 import {Breakpoint} from '../debug/Breakpoint';
 import {WASM} from '../sourcemap/Wasm';
 import {write} from 'ieee754';
 import {SourceMap} from '../sourcemap/SourceMap';
 import {readFileSync} from 'fs';
+import {CompileOutput, CompilerFactory} from '../manage/Compiler';
+import {WABT} from '../util/env';
 import Interrupt = WARDuino.Interrupt;
 import State = WARDuino.State;
 import Value = WASM.Value;
 import Type = WASM.Type;
-import {CompileOutput, CompilerFactory} from '../manage/Compiler';
-import {WABT} from '../util/env';
 
 // An acknowledgement returned by the debugger
 export interface Ack {
@@ -144,7 +144,7 @@ export namespace Message {
 
         return {
             type: Interrupt.updateModule,
-            payload: (map: SourceMap.Mapping) => payload(readFileSync(wasm)),
+            payload: () => payload(readFileSync(wasm)),
             parser: (line: string) => {
                 return ackParser(line, 'CHANGE Module');
             }
@@ -154,7 +154,7 @@ export namespace Message {
     export function pushEvent(topic: string, payload: string): Request<Ack> {
         return {
             type: Interrupt.pushEvent,
-            payload: (map: SourceMap.Mapping) => `{topic: '${topic}', payload: '${payload}'}`,
+            payload: () => `{topic: '${topic}', payload: '${payload}'}`,
             parser: (line: string) => {
                 return ackParser(line, 'Interrupt: 73');
             }

src/sourcemap/SourceMapper.ts

@@ -211,7 +211,7 @@ export class AsScriptMapper implements SourceMapper {
     public mapping(): Promise<Mapping> {
         const input = fs.readFileSync(`${this.tmpdir}/upload.wasm.map`)
 
-        return new Promise((resolve, reject) => {
+        return new Promise((resolve) => {
             new SourceMapConsumer(input.toString()).then((consumer: SourceMapConsumer) => {
                 const mapping: Mapping = new SourceMap.Mapping().init([], [], [], []);
                 consumer.eachMapping(function (item: MappingItem) {

src/testbeds/Platform.ts

@@ -60,12 +60,12 @@ export abstract class Platform extends EventEmitter implements Testbed {
     private search(message: string): number {
         let index: number = 0;
         while (index < this.requests.length) {
-            const [candidate, resolver] = this.requests[index];
+            const [candidate] = this.requests[index];
             try {
                 // try candidate parser
                 candidate.parser(message);
                 return index;
-            } catch (e) {
+            } catch {
                 // failure: try next request
                 index++;
             }

src/util/retry.ts

@@ -7,7 +7,7 @@ export function retry<T>(promise: () => Promise<T>, retries: number): Promise<T>
             try {
                 const result: T = await promise();
                 resolve(result);
-            } catch (e) {
+            } catch {
                 trying = ++attempt < retries;
             }
         }