From c874f28eec621a0fe8c86a5e586ac34b43acca6e Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <elizabeth.hunt@simponic.xyz>
Date: Tue, 5 Dec 2023 20:42:06 -0700
Subject: composition of piecewise functions (jesus)

---
 utils/jsonds.ts | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

(limited to 'utils/jsonds.ts')

diff --git a/utils/jsonds.ts b/utils/jsonds.ts
index c717232..657c787 100644
--- a/utils/jsonds.ts
+++ b/utils/jsonds.ts
@@ -29,19 +29,19 @@ export class JSONSet<T extends Object> {
   }
 }
 
-export class JSONHashMap<T extends Object> {
-  private map: Map<string, T>;
+export class JSONHashMap<T extends Object, R extends Object> {
+  private map: Map<string, R>;
 
   constructor() {
-    this.map = new Map<string, T>();
+    this.map = new Map<string, R>();
   }
 
-  set(key: T, value: T): void {
+  set(key: T, value: R): void {
     const keyJson = JSON.stringify(key, Object.keys(key).sort());
     this.map.set(keyJson, value);
   }
 
-  get(key: T): T | undefined {
+  get(key: T): R | undefined {
     const keyJson = JSON.stringify(key, Object.keys(key).sort());
     return this.map.get(keyJson);
   }
@@ -51,6 +51,10 @@ export class JSONHashMap<T extends Object> {
     return this.map.has(keyJson);
   }
 
+  keys(): T[] {
+    return Array.from(this.map.keys()).map((x) => JSON.parse(x) as T);
+  }
+
   delete(key: T): boolean {
     const keyJson = JSON.stringify(key, Object.keys(key).sort());
     return this.map.delete(keyJson);
-- 
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