src/lib/libs/primordials.ts

@@ -112,8 +112,7 @@ export interface Primordials {
 	schedule(func: () => void, delay: number): () => void;
 }
 
-// prevent optimization to "undefined", which doesn't exist yet
+globalThis.undefined = void 0;
-globalThis.undefined = ({} as any).bogus;
 export const target = (globalThis as any).target;
 export const primordials: Primordials = (globalThis as any).primordials;
 

src/lib/libs/values/array.ts

@@ -33,7 +33,7 @@ export const Array = (() => {
 			for (let i = arguments.length - 1; i >= 0; i--) {
 				this[start + i] = arguments[i];
 			}
-			return this.length;
+			return arguments.length;
 		}
 		public pop(this: any[]) {
 			if (this.length === 0) return undefined;
@@ -51,7 +51,7 @@ export const Array = (() => {
 			for (let i = 0; i < arguments.length; i++) {
 				this[i] = arguments[i];
 			}
-			return this.length;
+			return arguments.length;
 		}
 		public shift(this: any[]) {
 			if (this.length === 0) return undefined;

src/lib/libs/values/object.ts

@@ -82,13 +82,13 @@ export const Object = (() => {
 					res.s = set;
 				}
 				if ("enumerable" in desc) res.e = !!desc.enumerable;
-				if ("configurable" in desc) res.c = !!desc.configurable;
+				if ("configurable" in desc) res.e = !!desc.configurable;
 
 				if (!object.defineProperty(obj, key, res)) throw new TypeError("Cannot redefine property: " + String(key));
 			}
 			else {
 				if ("enumerable" in desc) res.e = !!desc.enumerable;
-				if ("configurable" in desc) res.c = !!desc.configurable;
+				if ("configurable" in desc) res.e = !!desc.configurable;
 				if ("writable" in desc) res.w = !!desc.writable;
 				if ("value" in desc) res.v = desc.value;
 

src/lib/libs/values/string.ts

@@ -41,9 +41,8 @@ export const String = (() => {
 			offset = +offset;
 			return string.indexOf(self, search, offset, false);
 		}
-		public lastIndexOf(search: string, offset?: number) {
+		public lastIndexOf(search: string, offset = 0) {
 			const self = unwrapThis(this, "string", String, "String.prototype.lastIndexOf");
-			if (offset == null) offset = self.length;
 			offset = +offset;
 			return string.indexOf(self, search, offset, true);
 		}

src/lib/transpiler/_entry.ts

@@ -1,4 +1,7 @@
-import coffeescript from "./coffeescript.ts";
+// import coffeescript from "./coffeescript.ts";
-import babel from "./babel.ts";
+// import babel from "./babel.ts";
 
-register(v => coffeescript(babel(v)));
+// register(v => coffeescript(babel(v)));
+import typescript from "./typescript.ts";
+
+register(typescript);

src/lib/transpiler/babel.ts

@@ -11,14 +11,17 @@ export default function babel(next: Compiler): Compiler {
 			presets: [availablePresets.env],
 		});
 
+		print(res.map!.mappings);
+
 		const map = SourceMap.parse({
 			file: "babel-internal://" + filename,
 			mappings: res.map!.mappings,
 			sources: [filename],
 		});
 
+		const compiled = next("babel-internal://" + filename, res.code!, SourceMap.chain(map, prevMap));
 		registerSource(filename, code);
-		return next("babel-internal://" + filename, res.code!, SourceMap.chain(map, prevMap));
+		return compiled;
 	};
 }
 

src/lib/transpiler/coffeescript.ts

@@ -20,8 +20,9 @@ export default function coffee(next: Compiler): Compiler {
 			sources: [filename],
 		});
 
+		const compiled = next("coffee-internal://" + filename, result, SourceMap.chain(map, prevMap));
 		registerSource(filename, code);
-		return next("coffee-internal://" + filename, result, SourceMap.chain(map, prevMap));
+		return compiled;
 	};
 }
 

src/lib/transpiler/transpiler.d.ts

@@ -1,4 +1,4 @@
-type Location = [file: string, line: number, start: number];
+type Location = readonly [file: string, line: number, start: number];
 type SourceMap = (loc: Location) => Location | undefined;
 
 type CompilerFactory = (next: Compiler) => Compiler;

src/lib/transpiler/typescript.ts

@@ -106,8 +106,8 @@ export default function typescript(next: Compiler): Compiler {
 		const result = outputs["/src.js"];
 		const declaration = outputs["/src.d.ts"];
 
-		registerSource(filename, code);
 		const compiled = next("ts-internal://" + filename, result, SourceMap.chain(map, prevMap));
+		registerSource(filename, code);
 
 		return function (this: any) {
 			const res = compiled.apply(this, arguments);

src/main/java/me/topchetoeu/jscript/compilation/control/ForInNode.java

@@ -21,9 +21,7 @@ public class ForInNode extends Node {
 
 	@Override public void resolve(CompileResult target) {
 		body.resolve(target);
-		if (isDecl) {
+		binding.resolve(target);
-			target.scope.define(binding.name);
-		}
 	}
 
 	@Override public void compileFunctions(CompileResult target) {

src/main/java/me/topchetoeu/jscript/repl/debug/SimpleDebugger.java

@@ -409,43 +409,7 @@ public class SimpleDebugger implements Debugger {
 				res.set("description", className);
 			}
 
-			if (val instanceof ArrayValue arr) {
+			if (val instanceof ArrayValue arr) res.set("description", "Array(" + arr.size() + ")");
-				var desc = new StringBuilder("Array(" + arr.size() + ")");
-
-				if (arr.size() > 0) {
-					desc.append("[");
-
-					for (var i = 0; i < arr.size(); i++) {
-						if (i != 0) desc.append(", ");
-						if (desc.length() > 120) {
-							desc.append("...");
-							break;
-						}
-	
-						if (arr.has(i)) {
-							try {
-								var curr = arr.get(i);
-								if (curr instanceof StringValue str) {
-									desc.append(JSON.stringify(JSONElement.string(str.value)));
-								}
-								else {
-									desc.append(arr.get(i).toString(env));
-								}
-							}
-							catch (EngineException e) {
-								desc.append("<error>");
-							}
-						}
-						else {
-							desc.append("<empty>");
-						}
-					}
-	
-					desc.append("]");
-				}
-
-				res.set("description", desc.toString());
-			}
 			else if (val instanceof FunctionValue) res.set("description", val.toString());
 			else {
 				var defaultToString = false;