TypeScriptToLua
diff --git a/‎src/LuaPrinter.ts‎
Lines changed: 5 additions & 4 deletions b/‎src/LuaPrinter.ts‎
Lines changed: 5 additions & 4 deletions
diff --git a/‎src/utils.ts‎
Lines changed: 3 additions & 0 deletions b/‎src/utils.ts‎
Lines changed: 3 additions & 0 deletions
@@ -6,7 +6,7 @@ import * as lua from "./LuaAST";
 import { loadLuaLibFeatures, LuaLibFeature } from "./LuaLib";
 import { isValidLuaIdentifier } from "./transformation/utils/safe-names";
 import { EmitHost } from "./transpilation";
-import { assert, intersperse, normalizeSlashes, trimExtension } from "./utils";
+import { assert, intersperse, invertObject, normalizeSlashes, trimExtension } from "./utils";
 
 // https://www.lua.org/pil/2.4.html
 // https://www.ecma-international.org/ecma-262/10.0/index.html#table-34
@@ -25,10 +25,11 @@ const escapeStringMap: Record<string, string> = {
 
 export const escapeString = (value: string) => `"${value.replace(escapeStringRegExp, char => escapeStringMap[char])}"`;
 
+const unescapeStringRegExp = new RegExp(`\\\\${escapeStringRegExp.source}`, "g");
+const unescapeStingMap = invertObject(escapeStringMap);
 export const unescapeLuaString = (value: string) => {
-    assert(value.startsWith('"') && value.endsWith(""), 'Only strings generated by "escapeString" can be unescaped');
-    // TODO: Unescape
-    return value.slice(1, -1);
+    assert(value.startsWith('"') && value.endsWith('"'), 'Only strings generated by "escapeString" can be unescaped');
+    return value.slice(1, -1).replace(unescapeStringRegExp, char => unescapeStingMap[char]);
 };
 
 /**
 
@@ -16,6 +16,9 @@ export const union = <T>(...values: Array<Iterable<T>>): T[] => [...new Set(...v
 export const intersection = <T>(first: readonly T[], ...rest: Array<readonly T[]>): T[] =>
     union(first).filter(x => rest.every(r => r.includes(x)));
 
+export const invertObject = <K extends keyof any, V extends keyof any>(record: Record<K, V>): Record<V, K> =>
+    Object.fromEntries(Object.entries(record).map(([key, value]) => [value, key]));
+
 type DiagnosticFactory = (...args: any) => Partial<ts.Diagnostic> & Pick<ts.Diagnostic, "messageText">;
 export const createDiagnosticFactoryWithCode = <T extends DiagnosticFactory>(code: number, create: T) =>
     Object.assign(