fix: remove es-toolkit dependency

Author: dineshdb

deno.json

@@ -4,8 +4,5 @@
   "exports": "./mod.ts",
   "tasks": {
     "dev": "deno run --watch main.ts"
-  },
-  "imports": {
-    "@es-toolkit/es-toolkit": "jsr:@es-toolkit/es-toolkit@^1.7.0"
   }
 }

deno.lock

@@ -0,0 +1,25 @@
+// Copied from https://github.com/cloudacy/keyby
+
+export function keyBy<
+  A extends object,
+  K extends keyof {
+    [P in keyof A as A[P] extends PropertyKey ? P : never]: unknown;
+  },
+>(array: A[], key: K) {
+  return array.reduce(
+    (r, x) => ({ ...r, [x[key] as unknown as PropertyKey]: x }),
+    {} as { [P in A[K] as A[K] extends PropertyKey ? A[K] : never]: A },
+  );
+}
+
+export function keyByFunction<A extends object, K extends PropertyKey>(
+  array: A[],
+  keyFn: (x: A) => K,
+) {
+  return array.reduce(
+    (r, x) => ({ ...r, [keyFn(x)]: x }),
+    {} as { [P in K]: A },
+  );
+}
+
+export default keyBy;

src/_/keyby.ts

@@ -1,5 +1,5 @@
+import keyBy from "./_/keyby.ts";
 import { getCapitals } from "./getCapitals.ts";
-import { isNotNil, keyBy } from "@es-toolkit/es-toolkit";
 
 export type UserDetails = {
   demat: string;
@@ -19,7 +19,7 @@ function getUsernamePassword(): { demat: string; password: string } {
   if (demat?.length !== 16) {
     throw new Error("DEMAT_ACCOUNT should be provided");
   }
-  if (!isNotNil(password)) {
+  if (!password || password === "") {
     throw new Error("DEMAT_PASSWORD is needed");
   }
   return { demat, password };
@@ -29,7 +29,7 @@ export async function loadConfig(): Promise<LoginDetails> {
   const { demat, password } = getUsernamePassword();
 
   const capitals = await getCapitals();
-  const capitalsMap = keyBy(capitals, (capital) => capital.code);
+  const capitalsMap = keyBy(capitals, "code");
 
   const clientCode = demat.substring(3, 8);
   const username = demat.substring(8, demat.length);