use reflow to migrate from flow to typescript

scm-ui/ui-components/src/forms/DropDown.tsx

@@ -0,0 +1,56 @@
+import React from 'react';
+import classNames from 'classnames';
+
+type Props = {
+  options: string[];
+  optionValues?: string[];
+  optionSelected: (p: string) => void;
+  preselectedOption?: string;
+  className: any;
+  disabled?: boolean;
+};
+
+class DropDown extends React.Component<Props> {
+  render() {
+    const {
+      options,
+      optionValues,
+      preselectedOption,
+      className,
+      disabled,
+    } = this.props;
+    return (
+      <div
+        className={classNames(className, 'select', disabled ? 'disabled' : '')}
+      >
+        <select
+          value={preselectedOption ? preselectedOption : ''}
+          onChange={this.change}
+          disabled={disabled}
+        >
+          <option key="" />
+          {options.map((option, index) => {
+            return (
+              <option
+                key={option}
+                value={
+                  optionValues && optionValues[index]
+                    ? optionValues[index]
+                    : option
+                }
+              >
+                {option}
+              </option>
+            );
+          })}
+        </select>
+      </div>
+    );
+  }
+
+  change = (event: SyntheticInputEvent<HTMLSelectElement>) => {
+    this.props.optionSelected(event.target.value);
+  };
+}
+
+export default DropDown;