docs(oxc-transform): update README

npm/oxc-transform/README.md

@@ -1,10 +1,31 @@
 # Oxc Transform
 
+This is alpha software and may yield incorrect results, feel free to [submit a bug report](https://github.com/oxc-project/oxc/issues/new?assignees=&labels=C-bug&projects=&template=bug_report.md).
+
+## TypeScript and React JSX Transform
+
+```javascript
+import assert from 'assert';
+import oxc from 'oxc-transform';
+
+const { code, declaration, errors } = oxc.transform(
+  "test.ts",
+  "class A<T> {}",
+  {
+    typescript: {
+      declaration: true, // With isolated declarations in a single step.
+    },
+  },
+);
+
+assert.equal(code, "class A {}\n");
+assert.equal(declaration, "declare class A<T> {}\n");
+assert(errors.length == 0);
+```
+
 ## [Isolated Declarations for Standalone DTS Emit](https://devblogs.microsoft.com/typescript/announcing-typescript-5-5-beta/#isolated-declarations)
 
-Based on Oxc and conforms to TypeScript Compiler's `--isolated-declaration` `.d.ts` emit.
+Conforms to TypeScript Compiler's `--isolated-declaration` `.d.ts` emit.
-
-This is still in alpha and may yield incorrect results, feel free to [submit a bug report](https://github.com/oxc-project/oxc/issues/new?assignees=&labels=C-bug&projects=&template=bug_report.md&title=isolated-declarations:).
 
 ### Usage
 
@@ -12,35 +33,26 @@ This is still in alpha and may yield incorrect results, feel free to [submit a b
 import assert from 'assert';
 import oxc from 'oxc-transform';
 
-const { map, code, errors } = oxc.isolatedDeclaration('test.ts', 'class A {}', { sourcemap: true });
+const { map, code, errors } = oxc.isolatedDeclaration('test.ts', 'class A {}');
 
 assert.equal(code, 'declare class A {}\n');
-assert.deepEqual(map, {
-  mappings: 'AAAA,cAAM,EAAE,CAAE',
-  names: [],
-  sources: ['test.ts'],
-  sourcesContent: ['class A {}'],
-});
 assert(errors.length == 0);
 ```
 
 ### API
 
+See `index.d.ts`.
+
 ```typescript
+export declare function transform(
+    filename: string,
+    sourceText: string,
+    options?: TransformOptions
+): TransformResult;
+
 export function isolatedDeclaration(
   filename: string,
   sourceText: string,
   options?: IsolatedDeclarationsOptions,
 ): IsolatedDeclarationsResult;
-
-export interface IsolatedDeclarationsOptions {
-  stripInternal?: boolean;
-  sourcemap?: boolean;
-}
-
-export interface IsolatedDeclarationsResult {
-  code: string;
-  map?: SourceMap;
-  errors: Array<string>;
-}
 ```