Add letter cache

Author: neriyaco

package.json

@@ -7,7 +7,8 @@
   "author": "Xpo Development <[email protected]>",
   "license": "MIT",
   "scripts": {
-    "build": "tsc"
+    "build": "tsc",
+    "test": "npm install -g . && dot tests/hello-world.ds"
   },
   "bin": {
     "dot": "./bin/index.js"

src/dot.ts

@@ -1,28 +1,35 @@
-const _ᱹ = (ᱹ: ᱹᱹ, ᱹᱹ: number, ᱹᱹᱹ: number) => {
-  return (_ᱹᱹ: unknown, ᱹᱹᱹᱹ: string | symbol) => {
-    if (typeof ᱹᱹᱹᱹ === "string") {
-      const p = ᱹᱹᱹᱹ.split("");
-      if (p.some((p) => p !== "ᱹ")) {
+const ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ = (ᱹ: ᱹᱹ, ᱹᱹ: number, ᱹᱹᱹ: number) => {
+  const ᱹᱹᱹᱹᱹᱹᱹᱹ = new Map<ᱹᱹᱹ, Record<string, string>>();
+  return (ᱹᱹᱹᱹ: ᱹᱹᱹ, ᱹᱹᱹᱹᱹ: string | symbol) => {
+    if (typeof ᱹᱹᱹᱹᱹ === "string") {
+      const ᱹᱹᱹᱹᱹᱹᱹᱹᱹ = ᱹᱹᱹᱹᱹᱹᱹᱹ.get(ᱹᱹᱹᱹ) || {};
+      ᱹᱹᱹᱹᱹᱹᱹᱹ.set(ᱹᱹᱹᱹ, ᱹᱹᱹᱹᱹᱹᱹᱹᱹ);
+      if (ᱹᱹᱹᱹᱹᱹᱹᱹᱹ[ᱹᱹᱹᱹᱹ]) {
+        ᱹ.ᱹ = ᱹᱹᱹᱹᱹᱹᱹᱹᱹ[ᱹᱹᱹᱹᱹ];
+        return ᱹ;
+      }
+      const ᱹᱹᱹᱹᱹᱹ = ᱹᱹᱹᱹᱹ.split("");
+      if (ᱹᱹᱹᱹᱹᱹ.some((ᱹᱹᱹᱹᱹᱹᱹ) => ᱹᱹᱹᱹᱹᱹᱹ !== "ᱹ")) {
         return undefined;
       }
-      const char = ᱹᱹ + p.length - 1;
-      if (char > ᱹᱹᱹ) {
+      const ᱹᱹᱹᱹᱹᱹᱹ = ᱹᱹ + ᱹᱹᱹᱹᱹᱹ.length - 1;
+      if (ᱹᱹᱹᱹᱹᱹᱹ > ᱹᱹᱹ) {
         return undefined;
       }
-      ᱹ.ᱹ = String.fromCharCode(char);
+      ᱹ.ᱹ = String.fromCharCode(ᱹᱹᱹᱹᱹᱹᱹ);
       return ᱹ;
     }
   };
 };
 
 class ᱹᱹᱹ {
-  constructor(ᱹ: ᱹᱹ, ᱹᱹ: number, ᱹᱹᱹ: number) {
+  constructor(ᱹ: ᱹᱹ, ᱹᱹ: number, ᱹᱹᱹᱹ: number) {
     return new Proxy<ᱹᱹᱹ>(this, {
-      get: _ᱹ(ᱹ, ᱹᱹ, ᱹᱹᱹ),
+      get: ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ(ᱹ, ᱹᱹ, ᱹᱹᱹᱹ),
     });
   }
 
-  [key: string]: ᱹᱹ;
+  [ᱹ: string]: ᱹᱹ;
 }
 
 let ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ: string;

tests/hello-world.ds

@@ -0,0 +1,6 @@
+ᱹ.ᱹᱹ.ᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ
+  .ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹ.ᱹᱹᱹᱹᱹ.ᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ
+  .ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹᱹᱹᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹᱹᱹᱹᱹ.ᱹᱹᱹ.ᱹᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹ
+  .ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹᱹᱹᱹ.ᱹᱹᱹ.ᱹᱹᱹᱹᱹᱹ.ᱹ.ᱹᱹᱹ
+  .ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ
+  .ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹ.ᱹᱹᱹᱹᱹᱹ.ᱹᱹ.ᱹᱹᱹᱹᱹᱹ.ᱹᱹᱹ.ᱹᱹᱹᱹᱹᱹ.ᱹᱹᱹᱹᱹᱹᱹᱹᱹᱹ.ᱹ