Make enums action option enums const and fix linter issues.

.eslintrc.js

@@ -69,7 +69,8 @@ module.exports = {
     "no-return-assign": "error",
     "no-script-url": "error",
     "no-sequences": "error",
-    "no-shadow": "error",
+    "no-shadow": "off",
+    "@typescript-eslint/no-shadow": ["error"],
     "no-throw-literal": "error",
     "no-undef-init": "error",
     "no-undefined": "error",

src/alpaca/exchange.ts

@@ -51,7 +51,7 @@ export class AlpacaExchange implements Exchange {
 
         this.portfolioProvider = new AlpacaPortfolioProvider(this.alpaca);
         this.quoteProvider = new AlpacaQuoteProvider(this.alpaca);
-        this.actionProvider = undefined!;
+        this.actionProvider = null!;
 
         this.name = 'Alpaca';
     }

src/interface/actions.ts

@@ -1,7 +1,7 @@
 /**
  * Enum representing the possible sides of an action.
  */
-export enum ActionSide {
+export const enum ActionSide {
     Buy,
     Sell,
 }
@@ -50,7 +50,7 @@ export class Action {
  * Enum representing the type of date filter used in an action fetch.
  * @enum {number}
  */
-export enum ActionDateType {
+export const enum ActionDateType {
     On,
     After,
     Before,
@@ -100,6 +100,7 @@ export class ActionFetchOptions {
  * Represents the response of a fetch action request.
  */
 export interface ActionFetchResponse {
+
     /**
      * An array of `Action` objects.
      */
@@ -116,6 +117,7 @@ export interface ActionFetchResponse {
  * An interface representing an object that provides actions.
  */
 export interface ActionProvider {
+
     /**
      * Fetches actions based on the provided options.
      * @param options - The options to use when fetching actions.