fix(datepicker): fix onBlur, tabIndex and a11y issues (#511)

* feat(datepicker): support tabIndex prop

* fix(datepicker): fire onBlur when leaving input

* feat(a11y): make dates tabbable and translate aria-labels

* fix(a11y): show calendar when input is focused

* ci(GitHub): change name of semantic-release step

Author: arthurdenner

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
         run: yarn validate
       - name: Upload test reports
         uses: codecov/codecov-action@v1
-      - name: Semantic Release
+      - name: Run semantic-release
         uses: cycjimmy/semantic-release-action@v2
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

src/__tests__/datepicker.test.tsx

@@ -1,5 +1,5 @@
 import React from 'react';
-import { fireEvent } from '@testing-library/react';
+import { fireEvent, waitFor } from '@testing-library/react';
 import localeEn from '../locales/en-US.json';
 import localePt from '../locales/pt-BR.json';
 import { getShortDate } from '../utils';
@@ -220,7 +220,8 @@ describe('Basic datepicker', () => {
     });
 
     fireEvent.click(getByLabelText('Click me'));
-    expect(getByText('Today')).toBeTruthy();
+
+    waitFor(() => expect(getByText('Today')).toBeTruthy());
   });
 
   describe('clearOnSameDateClick', () => {

src/__tests__/usecases.test.tsx

@@ -10,6 +10,7 @@ it('onChange is fired when invalid date is typed', () => {
   openDatePicker();
   fireEvent.click(screen.getByText('Today'));
 
+  expect(datePickerInput).toHaveFocus();
   expect(onChange).toHaveBeenCalledTimes(1);
   expect(onBlur).toHaveBeenCalledTimes(1);
 

src/components/calendar/calendar.css

@@ -26,7 +26,7 @@
   text-align: center;
   display: grid;
   grid-gap: 1px;
-  grid-template-columns: repeat(7, 2.2rem);
+  grid-template-columns: repeat(7, minmax(2.2rem, 1fr));
   background-color: rgba(0, 0, 0, 0.1);
   border: 1px solid rgba(0, 0, 0, 0.1);
   border-radius: 0.28571429rem;

src/components/calendar/calendar.tsx

@@ -78,14 +78,21 @@ const Calendar: React.FC<CalendarProps> = ({
                     icon="angle double left"
                     inverted={inverted}
                     title={previousYear}
-                    {...getBackProps({ calendars, offset: 12 })}
+                    {...getBackProps({
+                      calendars,
+                      'aria-label': previousYear,
+                      offset: 12,
+                    })}
                   />
                   <Button
                     icon="angle left"
                     inverted={inverted}
                     style={{ marginRight: 0 }}
                     title={previousMonth}
-                    {...getBackProps({ calendars })}
+                    {...getBackProps({
+                      calendars,
+                      'aria-label': previousMonth,
+                    })}
                   />
                 </Fragment>
               )}
@@ -102,14 +109,21 @@ const Calendar: React.FC<CalendarProps> = ({
                     icon="angle right"
                     inverted={inverted}
                     title={nextMonth}
-                    {...getForwardProps({ calendars })}
+                    {...getForwardProps({
+                      calendars,
+                      'aria-label': nextMonth,
+                    })}
                   />
                   <Button
                     icon="angle double right"
                     inverted={inverted}
                     style={{ marginRight: 0 }}
                     title={nextYear}
-                    {...getForwardProps({ calendars, offset: 12 })}
+                    {...getForwardProps({
+                      calendars,
+                      'aria-label': nextYear,
+                      offset: 12,
+                    })}
                   />
                 </Fragment>
               )}
@@ -120,6 +134,7 @@ const Calendar: React.FC<CalendarProps> = ({
               <CalendarCell
                 key={`${calendar.year}-${calendar.month}-${weekday}`}
                 inverted={inverted}
+                aria-label={weekday}
                 title={weekday}
               >
                 {weekday.slice(0, 2)}

src/components/cell/cell.css

@@ -4,6 +4,9 @@
   padding: 5px 0;
   height: 30px;
   cursor: pointer;
+  border: none;
+  color: inherit;
+  font-family: inherit;
 }
 
 .clndr-cell.inverted {

src/components/cell/cell.tsx

@@ -17,6 +17,7 @@ type CalendarCellProps = {
 };
 
 const CalendarCell: React.FC<CalendarCellProps> = ({
+  children,
   end,
   hovered,
   inRange,
@@ -28,19 +29,30 @@ const CalendarCell: React.FC<CalendarCellProps> = ({
   start,
   today,
   ...otherProps
-}) => (
-  <span
-    className={cn('clndr-cell', {
-      inverted,
-      'clndr-cell-today': today,
-      'clndr-cell-disabled': !selectable,
-      'clndr-cell-other-month': nextMonth || prevMonth,
-      'clndr-cell-inrange': inRange,
-      'clndr-cell-selected': selected,
-    })}
-    {...otherProps}
-  />
-);
+}) => {
+  const className = cn('clndr-cell', {
+    inverted,
+    'clndr-cell-today': today,
+    'clndr-cell-disabled': !selectable,
+    'clndr-cell-other-month': nextMonth || prevMonth,
+    'clndr-cell-inrange': inRange,
+    'clndr-cell-selected': selected,
+  });
+
+  if (!children || !selectable) {
+    return (
+      <span className={className} {...otherProps} tabIndex={children ? 0 : -1}>
+        {children}
+      </span>
+    );
+  }
+
+  return (
+    <button className={className} {...otherProps}>
+      {children}
+    </button>
+  );
+};
 
 CalendarCell.defaultProps = {
   end: false,

src/components/input.tsx

@@ -16,7 +16,7 @@ const CustomInput = React.forwardRef<Input, InputProps>((props, ref) => {
     isClearIconVisible,
     label,
     onClear,
-    onClick,
+    onFocus,
     required,
     value,
     ...rest
@@ -36,10 +36,10 @@ const CustomInput = React.forwardRef<Input, InputProps>((props, ref) => {
             icon={icon}
             isClearIconVisible={isClearIconVisible}
             onClear={onClear}
-            onClick={onClick}
+            onClick={onFocus}
           />
         }
-        onClick={onClick}
+        onFocus={onFocus}
         value={value}
       />
     </Form.Field>

src/components/today-button.tsx

@@ -12,6 +12,8 @@ interface TodayButtonProps extends DateObj, ButtonProps {
 const style: React.CSSProperties = { marginTop: 10 };
 
 const TodayButton: React.FC<TodayButtonProps> = ({
+  'aria-label': ariaLabel,
+  children,
   end,
   hovered,
   inRange,
@@ -24,13 +26,16 @@ const TodayButton: React.FC<TodayButtonProps> = ({
   ...otherProps
 }) => (
   <Button
+    aria-label={`${ariaLabel}, ${children}`}
     className="clndr-button-today"
     compact
     data-testid="datepicker-today-button"
     fluid
     style={style}
     {...otherProps}
-  />
+  >
+    {children}
+  </Button>
 );
 
 export default TodayButton;

src/index.tsx

@@ -53,6 +53,7 @@ const semanticInputProps = [
   'placeholder',
   'required',
   'size',
+  'tabIndex',
   'transparent',
   'readOnly',
 ];
@@ -233,8 +234,12 @@ class SemanticDatepicker extends React.Component<
   };
 
   focusOnInput = () => {
-    if (this.inputRef?.current?.focus) {
-      this.inputRef.current.focus();
+    if (this.inputRef?.current) {
+      // @ts-ignore
+      const { focus, inputRef } = this.inputRef.current;
+      if (document.activeElement !== inputRef.current) {
+        focus();
+      }
     }
   };
 
@@ -325,7 +330,7 @@ class SemanticDatepicker extends React.Component<
     }
 
     const newState = {
-      isVisible: keepOpenOnSelect,
+      isVisible: fromBlur || keepOpenOnSelect,
       selectedDate: newDate,
       selectedDateFormatted: formatSelectedDate(newDate, format),
       typedValue: null,
@@ -462,10 +467,10 @@ class SemanticDatepicker extends React.Component<
         <Input
           {...this.inputProps}
           isClearIconVisible={Boolean(clearable && selectedDateFormatted)}
-          onBlur={() => {}}
+          onBlur={this.handleBlur}
           onChange={this.handleChange}
           onClear={this.clearInput}
-          onClick={readOnly ? null : this.showCalendar}
+          onFocus={readOnly ? null : this.showCalendar}
           onKeyDown={this.handleKeyDown}
           readOnly={readOnly || datePickerOnly}
           ref={this.inputRef}