feat(classMapper): add class mapper

thanks valve

src/class-mapper.ts

@@ -0,0 +1,34 @@
+import { Module, findAllModules } from "./webpack";
+
+export interface ClassModule {
+    [name: string]: string
+};
+  
+export const classMap: ClassModule[] = findAllModules((m: Module) => {
+    if (typeof m == "object" && !m.__esModule) {
+        const keys = Object.keys(m);
+        // special case some libraries
+        if (keys.length == 1 && m.version) return false;
+        // special case localization
+        if (keys.length > 1000 && m.AboutSettings) return false;
+  
+        return keys.length > 0 && keys.every(k => !Object.getOwnPropertyDescriptor(m, k)?.get && typeof m[k] == "string")
+    }
+    return false;
+});
+  
+export function findClass(name: string): string | void {
+    return classMap.find(m => m?.[name])?.[name];
+}
+  
+export function findClassModule(filter: (module: any) => boolean) : ClassModule | void {
+    return classMap.find(m => filter(m));
+}
+
+export function unminifyClass(minifiedClass: string): string | void {
+    for (let m of classMap) {
+        for (let className of Object.keys(m)) {
+            if (m[className] == minifiedClass) return className;
+        }
+    }
+}

src/index.ts

@@ -6,3 +6,4 @@ export * from './deck-hooks';
 export * from './plugin';
 export * from './webpack';
 export * from './utils';
+export * from './class-mapper';