fix ES6 mistakes

remix-tests/package.json

@@ -37,9 +37,6 @@
   },
   "homepage": "https://github.com/ethereum/remix-tests#readme",
   "dependencies": {
-    "@types/async": "^2.4.0",
-    "@types/colors": "^1.2.1",
-    "@types/web3": "^1.0.18",
     "async": "^2.6.0",
     "change-case": "^3.0.1",
     "colors": "^1.1.2",
@@ -55,6 +52,10 @@
     "yo-yoify": "latest"
   },
   "devDependencies": {
+    "@types/async": "^2.4.0",
+    "@types/colors": "^1.2.1",
+    "@types/web3": "^1.0.18",
+    "@types/color-support": "^1.1.0",
     "@types/commander": "^2.12.2",
     "@types/mocha": "^5.2.5",
     "@types/node": "^10.12.21",

remix-tests/src/compiler.ts

@@ -1,17 +1,17 @@
 import fs from './fileSystem'
 import async from 'async'
-var path = require('path')
+import path from 'path'
 let RemixCompiler = require('remix-solidity').Compiler
 import { SrcIfc } from './types'
 
 function regexIndexOf (inputString: string, regex: RegExp, startpos: number = 0) {
-    var indexOf = inputString.substring(startpos).search(regex)
+    const indexOf = inputString.substring(startpos).search(regex)
     return (indexOf >= 0) ? (indexOf + (startpos)) : indexOf
 }
 
 function writeTestAccountsContract (accounts: string[]) {
-    var testAccountContract = require('../sol/tests_accounts.sol.js')
-    var body = 'address[' + accounts.length + '] memory accounts;'
+    const testAccountContract = require('../sol/tests_accounts.sol.js')
+    let body = `address[${accounts.length}] memory accounts;`
     if (!accounts.length) body += ';'
     else {
         accounts.map((address, index) => {
@@ -21,8 +21,8 @@ function writeTestAccountsContract (accounts: string[]) {
     return testAccountContract.replace('>accounts<', body)
 }
 
-var userAgent = (typeof (navigator) !== 'undefined') && navigator.userAgent ? navigator.userAgent.toLowerCase() : '-'
-var isBrowser = !(typeof (window) === 'undefined' || userAgent.indexOf(' electron/') > -1)
+const userAgent = (typeof (navigator) !== 'undefined') && navigator.userAgent ? navigator.userAgent.toLowerCase() : '-'
+const isBrowser = !(typeof (window) === 'undefined' || userAgent.indexOf(' electron/') > -1)
 
 // TODO: replace this with remix's own compiler code
 export function compileFileOrFiles(filename: string, isDirectory: boolean, opts: any, cb: Function) {

remix-tests/src/deployer.ts

@@ -54,7 +54,7 @@ export function deployAll(compileResult: object, web3: Web3, callback) {
             next(null, contractsToDeploy)
         },
         function deployContracts(contractsToDeploy: string[], next: Function) {
-            var deployRunner = (deployObject, contractObject, contractName, filename, callback) => {
+            const deployRunner = (deployObject, contractObject, contractName, filename, callback) => {
                 deployObject.estimateGas().then((gasValue) => {
                     deployObject.send({
                         from: accounts[0],

remix-tests/src/fileSystem.ts

@@ -1,14 +1,14 @@
 // Extend fs
 let fs: any = require('fs')
-const path = require('path')
+import path from 'path'
 
 // https://github.com/mikeal/node-utils/blob/master/file/lib/main.js
-fs.walkSync = function (start, callback) {
-    fs.readdirSync(start).forEach(name => {
+fs.walkSync = function (start: string, callback: Function) {
+    fs.readdirSync(start).forEach((name: string) => {
         if (name === 'node_modules') {
             return // hack
         }
-        var abspath = path.join(start, name)
+        const abspath = path.join(start, name)
         if (fs.statSync(abspath).isDirectory()) {
             fs.walkSync(abspath, callback)
         } else {

remix-tests/src/logger.ts

@@ -1,23 +1,23 @@
-var gray = require('ansi-gray')
-const winston = require('winston')
-var timestamp = require('time-stamp')
-var supportsColor = require('color-support')
+import colors from 'colors'
+import winston, { Logger, LoggerOptions } from 'winston'
+import timestamp from 'time-stamp';
+import supportsColor from 'color-support'
 
-function hasFlag (flag) {
+function hasFlag (flag: string) {
     return ((typeof (process) !== 'undefined') && (process.argv.indexOf('--' + flag) !== -1))
 }
 
-function addColor (str) {
+function addColor (str: string) {
     if (hasFlag('no-color')) {
         return str
     }
 
     if (hasFlag('color')) {
-        return gray(str)
+        return colors.gray(str)
     }
 
     if (supportsColor()) {
-        return gray(str)
+        return colors.gray(str)
     }
 
     return str
@@ -31,7 +31,7 @@ const logFmt = winston.format.printf((info) => {
 })
 
 class Log {
-    logger: any;
+    logger: Logger;
     constructor () {
         this.logger = winston.createLogger({
             level: 'error',
@@ -42,7 +42,7 @@ class Log {
             )
         })
     }
-    setVerbosity (v) {
+    setVerbosity (v: LoggerOptions["level"]) {
         this.logger.configure({
             level: v,
             transports: [new winston.transports.Console()],

remix-tests/src/run.ts

@@ -2,7 +2,7 @@ import commander from 'commander'
 import Web3 from 'web3'
 import { runTestFiles } from './runTestFiles'
 import fs from './fileSystem'
-const Provider = require('remix-simulator').Provider
+import { Provider } from 'remix-simulator'
 import Log from './logger'
 const logger = new Log()
 const log = logger.logger
@@ -35,7 +35,7 @@ commander.command('help').description('output usage information').action(functio
 // get current version
 commander
     .option('-v, --verbose <level>', 'run with verbosity', mapVerbosity)
-    .action(function (filename) {
+    .action((filename) => {
         // Console message
         console.log(colors.white('\n\t👁\t:: Running remix-tests - Unit testing for solidity ::\t👁\n'))
         // set logger verbosity

remix-tests/src/runTestFiles.ts

@@ -83,7 +83,7 @@ export function runTestFiles(filepath: string, isDirectory: boolean, web3: Web3,
             let totalTime: number = 0
             let errors: any[] = []
 
-            var _testCallback = function (err: Error | null | undefined, result: TestResultInterface) {
+            const _testCallback = function (err: Error | null | undefined, result: TestResultInterface) {
                 if(err) throw err;
                 if (result.type === 'contract') {
                     signale.name(result.value.white)
@@ -94,7 +94,7 @@ export function runTestFiles(filepath: string, isDirectory: boolean, web3: Web3,
                     errors.push(result)
                 }
             }
-            var _resultsCallback = (_err: Error | null | undefined, result: ResultsInterface, cb) => {
+            const _resultsCallback = (_err: Error | null | undefined, result: ResultsInterface, cb) => {
                 totalPassing += result.passingNum
                 totalFailing += result.failureNum
                 totalTime += result.timePassed

remix-tests/src/runTestSources.ts

@@ -9,7 +9,7 @@ import Web3 = require('web3')
 import Provider from 'remix-simulator'
 import { FinalResult } from './types'
 
-var createWeb3Provider = function () {
+const createWeb3Provider = function () {
     let web3 = new Web3()
     web3.setProvider(new Provider())
     return web3
@@ -60,14 +60,14 @@ export function runTestSources(contractSources, testCallback, resultCallback, fi
             let totalTime = 0
             let errors: any[] = []
 
-            var _testCallback = function (result) {
+            const _testCallback = function (result) {
                 if (result.type === 'testFailure') {
                     errors.push(result)
                 }
                 testCallback(result)
             }
 
-            var _resultsCallback = function (_err, result, cb) {
+            const _resultsCallback = function (_err, result, cb) {
                 resultCallback(_err, result, () => {})
                 totalPassing += result.passingNum
                 totalFailing += result.failureNum

remix-tests/src/testRunner.ts

@@ -4,7 +4,7 @@ import Web3 from 'web3'
 import { RunListInterface, TestCbInterface, TestResultInterface, ResultCbInterface } from './types'
 
 function getFunctionFullName (signature: string, methodIdentifiers) {
-    for (var method in methodIdentifiers) {
+    for (const method in methodIdentifiers) {
         if (signature.replace('0x', '') === methodIdentifiers[method].replace('0x', '')) {
             return method
         }
@@ -62,8 +62,8 @@ export function runTest (testName, testObject: any, contractDetails: any, opts:
     let timePassed: number = 0
     let web3 = new Web3()
 
-    var userAgent = (typeof (navigator) !== 'undefined') && navigator.userAgent ? navigator.userAgent.toLowerCase() : '-'
-    var isBrowser = !(typeof (window) === 'undefined' || userAgent.indexOf(' electron/') > -1)
+    const userAgent = (typeof (navigator) !== 'undefined') && navigator.userAgent ? navigator.userAgent.toLowerCase() : '-'
+    const isBrowser = !(typeof (window) === 'undefined' || userAgent.indexOf(' electron/') > -1)
     if (!isBrowser) {
         let signale = require('signale')
         signale.warn('DO NOT TRY TO ACCESS (IN YOUR SOLIDITY TEST) AN ACCOUNT GREATER THAN THE LENGTH OF THE FOLLOWING ARRAY (' + opts.accounts.length + ') :')
@@ -126,7 +126,7 @@ export function runTest (testName, testObject: any, contractDetails: any, opts:
                     for (let i in receipt.events) {
                         let event = receipt.events[i]
                         if (event.raw.topics.indexOf(topic) >= 0) {
-                            var testEvent = web3.eth.abi.decodeParameters(['bool', 'string'], event.raw.data)
+                            const testEvent = web3.eth.abi.decodeParameters(['bool', 'string'], event.raw.data)
                             if (!testEvent[0]) {
                                 const resp: TestResultInterface = {
                                   type: 'testFailure',