add disabled property to the Option type

react-select/index.d.ts

@@ -29,6 +29,11 @@ declare namespace ReactSelectClass {
          * @default true
          */
         clearableValue?: boolean;
+        /**
+         * Do not allow this option to be selected
+         * @default false
+         */
+        disabled?: boolean;
     }
 
     export interface MenuRendererProps {

react-select/react-select-tests.tsx

@@ -140,7 +140,15 @@ class SelectTest extends React.Component<React.Props<{}>, {}> {
 class SelectWithStringValueTest extends React.Component<React.Props<{}>, {}> {
 
     render() {
-        const options: Option[] = [{ label: "Foo", value: "bar" }];
+        const options: Option[] = [{
+            label: "Foo",
+            value: "bar",
+        }, {
+            label: "Foo2",
+            value: "bar2",
+            clearableValue: false,
+            disabled: true
+        }];
         const onChange = (value: any) => console.log(value);
 
         const selectProps: ReactSelectProps = {