Initial commit 🎉

fbshipit-source-id: b6fc29740c6875d2e78953b8a7123890a67930f2
Co-authored-by: Sebastian McKenzie <sebmck@fb.com>
Co-authored-by: John Knox <jknox@fb.com>
Co-authored-by: Emil Sjölander <emilsj@fb.com>
Co-authored-by: Pritesh Nandgaonkar <prit91@fb.com>

src/ui/components/ModalOverlay.js

@@ -0,0 +1,49 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+
+import styled from '../styled/index.js';
+import {Component} from 'react';
+
+const Overlay = styled.view({
+  alignItems: 'center',
+  backgroundColor: 'rgba(0, 0, 0, 0.6)',
+  bottom: 0,
+  display: 'flex',
+  justifyContent: 'center',
+  left: 0,
+  position: 'absolute',
+  right: 0,
+  top: 0,
+  zIndex: 99999,
+});
+
+export default class ModalOverlay extends Component<{
+  onClose: () => void,
+  children?: React$Node,
+}> {
+  ref: HTMLElement;
+
+  setRef = (ref: HTMLElement) => {
+    this.ref = ref;
+  };
+
+  onClick = (e: SyntheticMouseEvent<>) => {
+    if (e.target === this.ref) {
+      this.props.onClose();
+    }
+  };
+
+  render() {
+    const {props} = this;
+
+    return (
+      <Overlay innerRef={this.setRef} onClick={this.onClick}>
+        {props.children}
+      </Overlay>
+    );
+  }
+}