Cascader: Fix icon not showing (#107869)

* fix image path for angle-right

* use proper icon utils

packages/grafana-ui/src/components/Cascader/styles.ts

@@ -2,6 +2,8 @@ import { css, keyframes } from '@emotion/css';
 
 import { GrafanaTheme2 } from '@grafana/data';
 
+import { getIconPath } from '../Icon/utils';
+
 const slideUpIn = keyframes({
   '0%': {
     opacity: 0,
@@ -58,143 +60,146 @@ const slideDownOut = keyframes({
   },
 });
 
-export const getCascaderStyles = (theme: GrafanaTheme2) => ({
-  dropdown: css({
-    '&.rc-cascader-dropdown': {
-      position: 'absolute',
-      // Required, otherwise the portal that the popup is shown in will render under other components
-      zIndex: 9999,
+export const getCascaderStyles = (theme: GrafanaTheme2) => {
+  const iconPath = getIconPath('angle-right');
+  return {
+    dropdown: css({
+      '&.rc-cascader-dropdown': {
+        position: 'absolute',
+        // Required, otherwise the portal that the popup is shown in will render under other components
+        zIndex: 9999,
 
-      '&-hidden': {
-        display: 'none',
-      },
-    },
-    '.rc-cascader': {
-      '&-menus': {
-        overflow: 'hidden',
-        background: theme.colors.background.elevated,
-        border: `none`,
-        borderRadius: theme.shape.radius.default,
-        boxShadow: theme.shadows.z3,
-        whiteSpace: 'nowrap',
-
-        '&.slide-up-enter, &.slide-up-appear': {
-          animationDuration: '0.3s',
-          animationFillMode: 'both',
-          transformOrigin: '0 0',
-          opacity: 0,
-          animationTimingFunction: 'cubic-bezier(0.08, 0.82, 0.17, 1)',
-          animationPlayState: 'paused',
-        },
-
-        '&.slide-up-enter.slide-up-enter-active.rc-cascader-menus-placement, &.slide-up-appear.slide-up-appear-active.rc-cascader-menus-placement':
-          {
-            '&-bottomLeft': {
-              animationName: slideUpIn,
-              animationPlayState: 'running',
-            },
-
-            '&-topLeft': {
-              animationName: slideDownIn,
-              animationPlayState: 'running',
-            },
-          },
-
-        '&.slide-up-leave': {
-          animationDuration: '0.3s',
-          animationFillMode: 'both',
-          transformOrigin: '0 0',
-          opacity: 1,
-          animationTimingFunction: 'cubic-bezier(0.6, 0.04, 0.98, 0.34)',
-          animationPlayState: 'paused',
-
-          '&.slide-up-leave-active.rc-cascader-menus-placement': {
-            '&-bottomLeft': {
-              animationName: slideUpOut,
-              animationPlayState: 'running',
-            },
-
-            '&-topLeft': {
-              animationName: slideDownOut,
-              animationPlayState: 'running',
-            },
-          },
+        '&-hidden': {
+          display: 'none',
         },
       },
-
-      '&-menu': {
-        display: 'inline-block',
-        maxWidth: '50vw',
-        height: '192px',
-        listStyle: 'none',
-        margin: 0,
-        padding: theme.spacing(0.5),
-        borderRight: `1px solid ${theme.colors.border.weak}`,
-        overflow: 'auto',
-
-        '&:last-child': {
-          borderRight: 0,
-        },
-
-        '&-item': {
-          height: theme.spacing(4),
-          lineHeight: theme.spacing(4),
-          padding: theme.spacing(0, 4, 0, 2),
-          borderRadius: theme.shape.radius.default,
-          cursor: 'pointer',
-          whiteSpace: 'nowrap',
+      '.rc-cascader': {
+        '&-menus': {
           overflow: 'hidden',
-          textOverflow: 'ellipsis',
-          transition: 'all 0.3s ease',
-          position: 'relative',
+          background: theme.colors.background.elevated,
+          border: `none`,
+          borderRadius: theme.shape.radius.default,
+          boxShadow: theme.shadows.z3,
+          whiteSpace: 'nowrap',
 
-          '&:hover': {
-            background: theme.colors.action.hover,
+          '&.slide-up-enter, &.slide-up-appear': {
+            animationDuration: '0.3s',
+            animationFillMode: 'both',
+            transformOrigin: '0 0',
+            opacity: 0,
+            animationTimingFunction: 'cubic-bezier(0.08, 0.82, 0.17, 1)',
+            animationPlayState: 'paused',
           },
 
-          '&-disabled': {
-            cursor: 'not-allowed',
-            color: theme.colors.text.disabled,
+          '&.slide-up-enter.slide-up-enter-active.rc-cascader-menus-placement, &.slide-up-appear.slide-up-appear-active.rc-cascader-menus-placement':
+            {
+              '&-bottomLeft': {
+                animationName: slideUpIn,
+                animationPlayState: 'running',
+              },
 
-            '&:hover': {
-              background: 'transparent',
+              '&-topLeft': {
+                animationName: slideDownIn,
+                animationPlayState: 'running',
+              },
             },
 
-            '&:after': {
-              position: 'absolute',
-              right: '12px',
-              content: "'loading'",
-              color: theme.colors.text.disabled,
-              fontStyle: 'italic',
+          '&.slide-up-leave': {
+            animationDuration: '0.3s',
+            animationFillMode: 'both',
+            transformOrigin: '0 0',
+            opacity: 1,
+            animationTimingFunction: 'cubic-bezier(0.6, 0.04, 0.98, 0.34)',
+            animationPlayState: 'paused',
+
+            '&.slide-up-leave-active.rc-cascader-menus-placement': {
+              '&-bottomLeft': {
+                animationName: slideUpOut,
+                animationPlayState: 'running',
+              },
+
+              '&-topLeft': {
+                animationName: slideDownOut,
+                animationPlayState: 'running',
+              },
             },
           },
+        },
 
-          '&-active': {
-            color: theme.colors.text.maxContrast,
-            background: theme.colors.background.secondary,
+        '&-menu': {
+          display: 'inline-block',
+          maxWidth: '50vw',
+          height: '192px',
+          listStyle: 'none',
+          margin: 0,
+          padding: theme.spacing(0.5),
+          borderRight: `1px solid ${theme.colors.border.weak}`,
+          overflow: 'auto',
+
+          '&:last-child': {
+            borderRight: 0,
+          },
+
+          '&-item': {
+            height: theme.spacing(4),
+            lineHeight: theme.spacing(4),
+            padding: theme.spacing(0, 4, 0, 2),
+            borderRadius: theme.shape.radius.default,
+            cursor: 'pointer',
+            whiteSpace: 'nowrap',
+            overflow: 'hidden',
+            textOverflow: 'ellipsis',
+            transition: 'all 0.3s ease',
+            position: 'relative',
 
             '&:hover': {
               background: theme.colors.action.hover,
             },
-          },
 
-          '&-expand': {
-            position: 'relative',
+            '&-disabled': {
+              cursor: 'not-allowed',
+              color: theme.colors.text.disabled,
 
-            '&:after': {
+              '&:hover': {
+                background: 'transparent',
+              },
+
+              '&:after': {
+                position: 'absolute',
+                right: '12px',
+                content: "'loading'",
+                color: theme.colors.text.disabled,
+                fontStyle: 'italic',
+              },
+            },
+
+            '&-active': {
+              color: theme.colors.text.maxContrast,
               background: theme.colors.background.secondary,
-              content: "''",
-              height: theme.spacing(3),
-              mask: 'url(../img/icons/unicons/angle-right.svg)',
-              maskType: 'luminance',
-              position: 'absolute',
-              right: 0,
-              top: theme.spacing(0.5),
-              width: theme.spacing(3),
+
+              '&:hover': {
+                background: theme.colors.action.hover,
+              },
+            },
+
+            '&-expand': {
+              position: 'relative',
+
+              '&:after': {
+                background: theme.colors.text.primary,
+                content: "''",
+                height: theme.spacing(3),
+                mask: `url(${iconPath})`,
+                maskType: 'luminance',
+                position: 'absolute',
+                right: 0,
+                top: theme.spacing(0.5),
+                width: theme.spacing(3),
+              },
             },
           },
         },
       },
-    },
-  }),
-});
+    }),
+  };
+};

packages/grafana-ui/src/components/Icon/Icon.tsx

@@ -8,7 +8,7 @@ import { useStyles2 } from '../../themes/ThemeContext';
 import { IconName, IconType, IconSize } from '../../types/icon';
 import { spin } from '../../utils/keyframes';
 
-import { getIconRoot, getIconSubDir, getSvgSize } from './utils';
+import { getIconPath, getSvgSize } from './utils';
 
 export interface IconProps extends Omit<React.SVGProps<SVGElement>, 'onLoad' | 'onError' | 'ref'> {
   name: IconName;
@@ -53,12 +53,10 @@ export const Icon = React.forwardRef<SVGElement, IconProps>(
     // handle the deprecated 'fa fa-spinner'
     const iconName: IconName = name === 'fa fa-spinner' ? 'spinner' : name;
 
-    const iconRoot = getIconRoot();
     const svgSize = getSvgSize(size);
     const svgHgt = svgSize;
     const svgWid = name.startsWith('gf-bar-align') ? 16 : name.startsWith('gf-interp') ? 30 : svgSize;
-    const subDir = getIconSubDir(iconName, type);
-    const svgPath = `${iconRoot}${subDir}/${iconName}.svg`;
+    const svgPath = getIconPath(iconName, type);
 
     const composedClassName = cx(
       styles.icon,

packages/grafana-ui/src/components/Icon/utils.ts

@@ -60,3 +60,9 @@ export function getIconRoot(): string {
 
   return iconRoot;
 }
+
+export function getIconPath(name: IconName, type: IconType = 'default'): string {
+  const iconRoot = getIconRoot();
+  const subDir = getIconSubDir(name, type);
+  return `${iconRoot}${subDir}/${name}.svg`;
+}