Refactor: Merging common/ into web/

web/space_lua/stdlib/js.ts

@@ -0,0 +1,73 @@
+import {
+  jsToLuaValue,
+  LuaBuiltinFunction,
+  LuaTable,
+  luaValueToJS,
+} from "../runtime.ts";
+
+export const jsApi = new LuaTable({
+  /**
+   * Creates a new instance of a JavaScript class.
+   * @param constructorFn - The constructor function.
+   * @param args - The arguments to pass to the constructor.
+   * @returns The new instance.
+   */
+  new: new LuaBuiltinFunction(
+    (sf, constructorFn: any, ...args) => {
+      return new constructorFn(
+        ...args.map((v) => luaValueToJS(v, sf)),
+      );
+    },
+  ),
+  /**
+   * Imports a JavaScript module.
+   * @param url - The URL of the module to import.
+   * @returns The imported module.
+   */
+  import: new LuaBuiltinFunction(async (_sf, url) => {
+    let m = await import(url);
+    // Unwrap default if it exists
+    if (Object.keys(m).length === 1 && m.default) {
+      m = m.default;
+    }
+    return m;
+  }),
+  eachIterable: new LuaBuiltinFunction((_sf, val) => {
+    const iterator = val[Symbol.asyncIterator]();
+    return async () => {
+      const result = await iterator.next();
+      if (result.done) {
+        return;
+      }
+      return result.value;
+    };
+  }),
+  /**
+   * Converts a JavaScript value to a Lua value.
+   * @param val - The JavaScript value to convert.
+   * @returns The Lua value.
+   */
+  tolua: new LuaBuiltinFunction((_sf, val) => jsToLuaValue(val)),
+  /**
+   * Converts a Lua value to a JavaScript value.
+   * @param val - The Lua value to convert.
+   * @returns The JavaScript value.
+   */
+  tojs: new LuaBuiltinFunction((sf, val) => luaValueToJS(val, sf)),
+  /**
+   * Logs a message to the console.
+   * @param args - The arguments to log.
+   */
+  log: new LuaBuiltinFunction((_sf, ...args) => {
+    console.log(...args);
+  }),
+  /**
+   * Converts a Lua value to a JSON string.
+   * @param val - The Lua value to convert.
+   * @returns The JSON string.
+   */
+  stringify: new LuaBuiltinFunction((_sf, val) => JSON.stringify(val)),
+
+  // Expose the global window object
+  window: globalThis,
+});