Switch ts and babel for swc-loader

Replace old <> assertion syntax

package.json

@@ -44,6 +44,8 @@
     "react-dom": "^16.8.3",
     "react-modal": "^3.12.1",
     "sprintf-js": "^1.1.1",
+    "swc": "^1.0.11",
+    "swc-loader": "^0.1.14",
     "tapable": "^1.0.0",
     "treant-js": "^1.0.1",
     "uuid": "^3.2.1",

src/Corporation/ResearchTree.ts

@@ -241,7 +241,7 @@ export class ResearchTree {
         continue;
       }
 
-      const mult: any = (<any>research)[propName];
+      const mult: any = (research as any)[propName];
       if (mult == null) {
         console.warn(
           `Invalid propName specified in ResearchTree.getMultiplierHelper: ${propName}`,

src/PersonObjects/Person.ts

@@ -113,12 +113,12 @@ export abstract class Person {
    */
   applyAugmentation(aug: Augmentation): void {
     for (const mult in aug.mults) {
-      if ((<any>this)[mult] == null) {
+      if ((this as any)[mult] == null) {
         console.warn(
           `Augmentation has unrecognized multiplier property: ${mult}`,
         );
       } else {
-        (<any>this)[mult] *= aug.mults[mult];
+        (this as any)[mult] *= aug.mults[mult];
       }
     }
   }

src/PersonObjects/Sleeve/Sleeve.ts

@@ -214,9 +214,9 @@ export class Sleeve extends Person {
           // Success
           const successGainRates: ITaskTracker = createTaskTracker();
 
-          const keysForIteration: (keyof ITaskTracker)[] = <
+          const keysForIteration: (keyof ITaskTracker)[] = Object.keys(
-            (keyof ITaskTracker)[]
+            successGainRates,
-          >Object.keys(successGainRates);
+          ) as (keyof ITaskTracker)[];
           for (let i = 0; i < keysForIteration.length; ++i) {
             const key = keysForIteration[i];
             successGainRates[key] = this.gainRatesForTask[key] * 2;

src/StockMarket/Stock.ts

@@ -37,10 +37,10 @@ function toNumber(n: number | IMinMaxRange): number {
   let value: number;
   switch (typeof n) {
     case "number": {
-      return <number>n;
+      return n;
     }
     case "object": {
-      const range = <IMinMaxRange>n;
+      const range = n as IMinMaxRange;
       value = getRandomInt(range.min, range.max);
       break;
     }

src/Terminal/tabCompletion.ts

@@ -49,7 +49,7 @@ export function tabCompletion(
     );
     return;
   }
-  const textBox = <HTMLInputElement>textBoxElem;
+  const textBox = textBoxElem as HTMLInputElement;
 
   const oldValue = textBox.value;
   const semiColonIndex = oldValue.lastIndexOf(";");

src/data/codingcontracttypes.ts

@@ -564,8 +564,8 @@ export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
   },
   {
     desc: (data: any[]): string => {
-      const k: number = <number>data[0];
+      const k: number = data[0];
-      const prices: number[] = <number[]>data[1];
+      const prices: number[] = data[1];
       return [
         "You are given the following array with two elements:\n\n",
         `[${k}, [${prices}]]\n\n`,
@@ -595,8 +595,8 @@ export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
     name: "Algorithmic Stock Trader IV",
     numTries: 10,
     solver: (data: any[], ans: string): boolean => {
-      const k: number = <number>data[0];
+      const k: number = data[0];
-      const prices: number[] = <number[]>data[1];
+      const prices: number[] = data[1];
 
       const len = prices.length;
       if (len < 2) {

src/utils/MoneySourceTracker.ts

@@ -38,7 +38,7 @@ export class MoneySourceTracker {
       return;
     }
 
-    (<number>this[sanitizedSource]) += amt;
+    (this[sanitizedSource] as number) += amt;
     this.total += amt;
   }
 

tsconfig.json

@@ -2,6 +2,7 @@
   "compilerOptions": {
     "baseUrl": ".",
     "esModuleInterop": true,
+    "isolatedModules": true,
     "jsx": "react",
     "lib": ["es2016", "dom", "es2017.object", "es2019"],
     "module": "commonjs",

utils/helpers/compareArrays.ts

@@ -15,8 +15,8 @@ export function compareArrays<T>(a1: T[], a2: T[]): boolean {
         return false;
       }
 
-      const elem1 = <any[]>(<any>a1[i]);
+      const elem1 = a1[i] as any;
-      const elem2 = <any[]>(<any>a2[i]);
+      const elem2 = a2[i] as any;
       if (!compareArrays(elem1, elem2)) {
         return false;
       }

webpack.config.js

@@ -109,14 +109,32 @@ module.exports = (env, argv) => {
       rules: [
         {
           test: /\.tsx?$/,
-          loader: "ts-loader",
           exclude: /node_modules/,
+          use: {
+            loader: "swc-loader",
+            options: {
+              jsc: {
+                parser: {
+                  syntax: "typescript",
+                  tsx: true,
+                },
+              },
+            },
+          },
         },
         {
           test: /\.(jsx)$/,
           exclude: /node_modules/,
           use: {
-            loader: "babel-loader",
+            loader: "swc-loader",
+            options: {
+              jsc: {
+                parser: {
+                  syntax: "ecmascript",
+                  jsx: true,
+                },
+              },
+            },
           },
         },
         {