Migrate Radio style to PostCSS

Author: javivelasco

components/radio/_config.scss

@@ -0,0 +1,11 @@
+:root {
+  --radio-field-margin-bottom: calc(1.5 * var(--unit));
+  --radio-button-size: calc(1.6 * var(--unit));
+  --radio-inner-margin: calc(var(--radio-button-size) / 4);
+  --radio-inner-color: var(--color-primary);
+  --radio-focus-color: color(var(--color-black) a(10%));
+  --radio-checked-focus-color: color(var(--color-primary) a(26%));
+  --radio-text-color: var(--color-black);
+  --radio-disabled-color: color(var(--color-black) a(26%));
+  --radio-text-font-size: calc(1.4 * var(--unit));
+}

components/radio/config.css

@@ -4,7 +4,7 @@ import themedRippleFactory from '../ripple';
 import radioFactory from './Radio.js';
 import { radioButtonFactory } from './RadioButton.js';
 import { radioGroupFactory } from './RadioGroup.js';
-import theme from './theme.scss';
+import theme from './theme.css';
 
 const ThemedRadio = radioFactory(themedRippleFactory({ centered: true, spread: 2.6}));
 const ThemedRadioButton = themr(RADIO, theme)(radioButtonFactory(ThemedRadio));

components/radio/index.js

@@ -0,0 +1,102 @@
+@import '../colors.css';
+@import '../variables.css';
+@import './config.css';
+
+.radio {
+  border: calc(0.2 * var(--unit)) solid var(--radio-text-color);
+  border-radius: 50%;
+  cursor: pointer;
+  display: inline-block;
+  height: var(--radio-button-size);
+  position: relative;
+  vertical-align: top;
+  width: var(--radio-button-size);
+
+  &::before {
+    background-color: var(--radio-inner-color);
+    border-radius: 50%;
+    content: '';
+    height: calc(var(--radio-button-size) - var(--radio-inner-margin) * 2);
+    left: calc(var(--radio-inner-margin) - 0.2 * var(--unit));
+    position: absolute;
+    top: calc(var(--radio-inner-margin) - 0.2 * var(--unit));
+    transform: scale(0);
+    transition: transform;
+    transition-duration: 0.2s;
+    transition-timing-function: var(--animation-curve-default);
+    width: calc(var(--radio-button-size) - var(--radio-inner-margin) * 2);
+  }
+
+  & .ripple {
+    background-color: var(--radio-inner-color);
+    opacity: 0.3;
+    transition-duration: 650ms;
+  }
+}
+
+.radioChecked {
+  border: calc(0.2 * var(--unit)) solid var(--radio-inner-color);
+  composes: radio;
+
+  &::before {
+    transform: scale(1);
+  }
+}
+
+.field {
+  display: block;
+  height: var(--radio-button-size);
+  margin-bottom: var(--radio-field-margin-bottom);
+  position: relative;
+  white-space: nowrap;
+}
+
+.text {
+  color: var(--radio-text-color);
+  display: inline-block;
+  font-size: var(--radio-text-font-size);
+  line-height: var(--radio-button-size);
+  padding-left: var(--unit);
+  vertical-align: top;
+  white-space: nowrap;
+}
+
+.input {
+  appearance: none;
+  border: 0;
+  height: 0;
+  margin: 0;
+  opacity: 0;
+  padding: 0;
+  position: absolute;
+  width: 0;
+
+  &:focus ~ .radio {
+    box-shadow: 0 0 0 var(--unit) var(--radio-focus-color);
+  }
+  &:focus ~ .radioChecked {
+    box-shadow: 0 0 0 var(--unit) var(--radio-checked-focus-color);
+  }
+}
+
+.disabled {
+  composes: field;
+
+  & .text {
+    color: var(--radio-disabled-color);
+  }
+
+  & .radio {
+    border-color: var(--radio-disabled-color);
+    cursor: auto;
+  }
+
+  & .radioChecked {
+    border-color: var(--radio-disabled-color);
+    cursor: auto;
+
+    &::before {
+      background-color: var(--radio-disabled-color);
+    }
+  }
+}