feat: Added Theme and migrate to emotion@10.x 🚀 (#286)

* chore: updated emotion dependency

* feat: introduced theme

* refactor: updated emotion styles

* fix: fixed emotion error

* fix: fixed tests

* chore: add missing types

Co-Authored-By: Thomas Klein <tmkn@users.noreply.github.com>

src/components/Icon/Icon.test.tsx

@@ -1,5 +1,6 @@
 import React from 'react';
-import { shallow } from 'enzyme';
+
+import { render } from '../../utils/test-react-testing-library';
 
 import Icon from './Icon';
 
@@ -8,7 +9,7 @@ describe('<Icon /> component', () => {
     name: 'austria',
   };
   test('should render the component in default state', () => {
-    const wrapper = shallow(<Icon name={props.name} />);
-    expect(wrapper.html()).toMatchSnapshot();
+    const { container } = render(<Icon name={props.name} />);
+    expect(container.firstChild).toMatchSnapshot();
   });
 });

src/components/Icon/Icon.tsx

@@ -63,10 +63,11 @@ export interface Props {
   modifiers?: null | undefined;
 }
 
+/* eslint-disable verdaccio/jsx-spread */
 const Icon: React.FC<Props> = ({ className, name, size = 'sm', img = false, pointer = false, ...props }) => {
   const title = capitalize(name.toString());
   return img ? (
-    <ImgWrapper className={className} name={name} pointer={pointer} size={size} title={title} {...props}>
+    <ImgWrapper className={className} pointer={pointer} size={size} title={title} {...props}>
       <Img alt={title} src={Icons[name]} />
     </ImgWrapper>
   ) : (

src/components/Icon/__snapshots__/Icon.test.tsx.snap

@@ -1,3 +1,22 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`<Icon /> component should render the component in default state 1`] = `"<svg class=\\"css-j2zgvv ek145dl0\\"><title>Austria</title><use xlink:href=\\"[object Object]#austria\\"></use></svg>"`;
+exports[`<Icon /> component should render the component in default state 1`] = `
+.emotion-0 {
+  box-sizing: initial;
+  display: inline-block;
+  cursor: default;
+  width: 14px;
+  height: 16px;
+}
+
+<svg
+  class="emotion-0 emotion-1"
+>
+  <title>
+    Austria
+  </title>
+  <use
+    xlink:href="[object Object]#austria"
+  />
+</svg>
+`;

src/components/Icon/styles.ts

@@ -1,54 +1,42 @@
-import styled, { css } from 'react-emotion';
+import styled from '@emotion/styled';
 import { Breakpoint } from '@material-ui/core/styles/createBreakpoints';
-import { StyledOtherComponent } from 'create-emotion-styled';
-import { DetailedHTMLProps, HTMLAttributes } from 'react';
 
-const getSize = (size: Breakpoint): string => {
+const getSize = (size: Breakpoint): { width: number; height: number } => {
   switch (size) {
     case 'md':
-      return `
-        width: 18px;
-        height: 18px;
-      `;
+      return {
+        width: 18,
+        height: 18,
+      };
     default:
-      return `
-        width: 14px;
-        height: 16px;
-      `;
+      return {
+        width: 14,
+        height: 16,
+      };
   }
 };
 
-const commonStyle = ({ size = 'sm' as Breakpoint, pointer, modifiers = null }): string => css`
-  && {
-    display: inline-block;
-    cursor: ${pointer ? 'pointer' : 'Developers'};
-    ${getSize(size)};
-    ${modifiers && modifiers};
-  }
-`;
+interface CommonStyleProps {
+  size: Breakpoint;
+  pointer?: boolean;
+}
+const commonStyle = ({ size = 'sm', pointer }: CommonStyleProps): object => ({
+  display: 'inline-block',
+  cursor: pointer ? 'pointer' : 'default',
+  ...getSize(size),
+});
 
-export const Svg = styled('svg')`
-  ${commonStyle};
-  box-sizing: initial;
-`;
+export const Svg = styled('svg')<CommonStyleProps>(props => ({
+  boxSizing: 'initial',
+  ...commonStyle(props),
+}));
 
-export const ImgWrapper: StyledOtherComponent<
-  {
-    size?: Breakpoint;
-    pointer: boolean;
-    modifiers?: null | undefined;
-    name?: string | unknown;
-  },
-  DetailedHTMLProps<HTMLAttributes<HTMLSpanElement>, HTMLSpanElement>,
-  {}
-> = styled('span')`
-  ${commonStyle};
-  box-sizing: initial;
-`;
+export const ImgWrapper = styled('span')<CommonStyleProps>(props => ({
+  boxSizing: 'initial',
+  ...commonStyle(props),
+}));
 
 export const Img = styled('img')({
-  '&&': {
-    width: '100%',
-    height: 'auto',
-  },
+  width: '100%',
+  height: 'auto',
 });