feat(getversion): export getversion interface

Author: kwonoj

src/interop/miscellaneous.ts

@@ -0,0 +1,24 @@
+import { SassAsmModule } from '../SassAsmModule';
+
+/**
+ * Creates function to read versions of library.
+ * @param asmModule
+ */
+const getVersion = (asmModule: SassAsmModule) => async () => {
+  const { stackSave, stackRestore, Pointer_stringify } = asmModule;
+  //version functions doesn't need param type conversion, call directly without cwrap
+  const { _libsass_version, _libsass_language_version, _sass2scss_version } = asmModule;
+
+  const { version } = await import('../../package.json');
+  const stack = stackSave();
+  const ret = {
+    libsassAsm: version,
+    libsass: Pointer_stringify(_libsass_version()),
+    sassLang: Pointer_stringify(_libsass_language_version()),
+    sass2scss: Pointer_stringify(_sass2scss_version())
+  };
+  stackRestore(stack);
+  return ret;
+};
+
+export { getVersion };