From 4b8348da8cc50ef0da6e6b2bb7d276f1246437cf Mon Sep 17 00:00:00 2001
From: fragosti <francesco.agosti93@gmail.com>
Date: Wed, 3 Oct 2018 16:20:39 -0700
Subject: Add some ui components

---
 packages/instant/src/components/ui/button.tsx | 68 +++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 packages/instant/src/components/ui/button.tsx

(limited to 'packages/instant/src/components/ui/button.tsx')

diff --git a/packages/instant/src/components/ui/button.tsx b/packages/instant/src/components/ui/button.tsx
new file mode 100644
index 000000000..ec0a87345
--- /dev/null
+++ b/packages/instant/src/components/ui/button.tsx
@@ -0,0 +1,68 @@
+import { darken, saturate } from 'polished';
+import * as React from 'react';
+
+import { ColorOption, styled } from '../../style/theme';
+
+export interface ButtonProps {
+    fontColor: ColorOption;
+    backgroundColor: ColorOption;
+    borderColor?: ColorOption;
+    fontSize?: string;
+    fontFamily?: string;
+    width?: string;
+    padding?: string;
+    type?: string;
+    isDisabled?: boolean;
+    onClick?: (event: React.MouseEvent<HTMLElement>) => void;
+    className?: string;
+}
+
+const PlainButton: React.StatelessComponent<ButtonProps> = ({ children, isDisabled, onClick, type, className }) => (
+    <button type={type} className={className} onClick={isDisabled ? undefined : onClick} disabled={isDisabled}>
+        {children}
+    </button>
+);
+
+const darkenOnHoverAmount = 0.1;
+const darkenOnActiveAmount = 0.2;
+const saturateOnFocusAmount = 0.2;
+export const Button = styled(PlainButton)`
+    cursor: ${props => (props.isDisabled ? 'default' : 'pointer')};
+    font-size: ${props => props.fontSize};
+    color: ${props => props.fontColor};
+    transition: background-color, opacity 0.5s ease;
+    padding: ${props => props.padding};
+    border-radius: 6px;
+    font-weight: 500;
+    outline: none;
+    font-family: ${props => props.fontFamily};
+    width: ${props => props.width};
+    background-color: ${props => props.backgroundColor};
+    border: ${props => (props.borderColor ? `1px solid ${props.theme[props.borderColor]}` : 'none')};
+    &:hover {
+        background-color: ${props =>
+            !props.isDisabled ? darken(darkenOnHoverAmount, props.theme[props.backgroundColor]) : ''} !important;
+    }
+    &:active {
+        background-color: ${props =>
+            !props.isDisabled ? darken(darkenOnActiveAmount, props.theme[props.backgroundColor]) : ''};
+    }
+    &:disabled {
+        opacity: 0.5;
+    }
+    &:focus {
+        background-color: ${props => saturate(saturateOnFocusAmount, props.theme[props.backgroundColor])};
+    }
+`;
+
+Button.defaultProps = {
+    fontSize: '12px',
+    fontColor: ColorOption.white,
+    backgroundColor: ColorOption.primaryColor,
+    width: 'auto',
+    fontFamily: 'Inter UI',
+    isDisabled: false,
+    padding: '0.8em 2.2em',
+};
+
+Button.displayName = 'Button';
-- 
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