Function idToKey

src/PyBaseProxyHandler.cc:19–33

PyObject *idToKey(JSContext *cx, JS::HandleId id) {
  JS::RootedValue idv(cx, js::IdToValue(id));
  JS::RootedString idStr(cx);
  if (!id.isSymbol()) { // `JS::ToString` returns `nullptr` for JS symbols
    idStr = JS::ToString(cx, idv);
  } else {
    // TODO (Tom Tang): Revisit this once we have Symbol coercion support
    // FIXME (Tom Tang): key collision for symbols without a description string, or pure strings look like "Symbol(xxx)"
    idStr = JS_ValueToSource(cx, idv);
  }

  // We convert all types of property keys to string
  auto chars = JS_EncodeStringToUTF8(cx, idStr);
  return PyUnicode_FromString(chars.get());
}

bool idToIndex(JSContext *cx, JS::HandleId id, Py_ssize_t *index) {
  if (id.isInt()) { // int-like strings have already been automatically converted to ints