Merge branch 'Xmader/feat/atob-btoa' into Xmader/feat/better-setTimeout

Author: Xmader

python/pythonmonkey/builtin_modules/base64.d.ts

@@ -0,0 +1,20 @@
+/**
+ * @file    base64.d.ts
+ * @brief   TypeScript type declarations for base64.py
+ * @author  Tom Tang <[email protected]>
+ * @date    July 2023
+ */
+
+/**
+ * Decode base64 string
+ * @param b64 A string containing base64-encoded data.
+ * @see https://html.spec.whatwg.org/multipage/webappapis.html#dom-atob-dev
+ */
+export declare function atob(b64: string): string;
+
+/**
+ * Create a base64-encoded ASCII string from a binary string
+ * @param data The binary string to encode.
+ * @see https://html.spec.whatwg.org/multipage/webappapis.html#dom-btoa-dev
+ */
+export declare function btoa(data: string): string;

python/pythonmonkey/builtin_modules/base64.js

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+# @file     base64.py
+# @author   Tom Tang <[email protected]>, Hamada Gasmallah <[email protected]>
+# @date     July 2023
+
+import base64
+
+atob = lambda b64: str(base64.standard_b64decode(b64), 'latin1')
+btoa = lambda data: str(base64.standard_b64encode(bytes(data, 'latin1')), 'latin1')
+
+# Make `atob`/`btoa` globally available
+import pythonmonkey as pm
+pm.eval(r"""(atob, btoa) => {
+  if (!globalThis.atob) {
+    globalThis.atob = atob;
+  }
+  if (!globalThis.btoa) {
+    globalThis.btoa = btoa;
+  }
+}""")(atob, btoa)
+
+# Module exports
+exports['atob'] = atob # type: ignore
+exports['btoa'] = btoa # type: ignore