✨ feat(enable-dates): add support for enabled dates only

README.md

@@ -65,6 +65,7 @@ Try it in the [Svelte REPL](https://svelte.dev/repl/cae0ce6e92634878b6e1a587146d
 | endDateTime	      | The end date time string in 24 hour format.                                           | `string` (default: `00:00`)
 | defaultYear	      |	The year you want to show as the default.	                                            | `number` (default: `2023`)
 | align	            | The edge alignment of the datepicker.                                                 | `string` (default: `left`)
+| enabledDates      | An array of date strings to enable only.                                              | `array` (default: [...])
 | disabledDates     | An array of date strings to disable.                                                  | `array` (default: [...])
 | isRange	          |	Changes the date picker into a range picker and allows start and end date selection.  | `boolean` (default: `false`)
 | isMultipane	      |	If true, two calendar months will be shown side-by-side instead of one.               | `boolean` (default: `false`)

docs/src/App.svelte

@@ -188,6 +188,23 @@
         </td>
         <td valign="top"><code>[]</code></td>
       </tr>
+      <tr>
+        <td valign="top">enabledDates</td>
+        <td valign="top"><code>array</code></td>
+        <td>
+          Determines which dates will be enabled only.
+          <div><small>Accepted format <b>'MM/DD/YYYY'</b></small></div>
+
+          <br/>
+
+          <ul class="clean">
+            <li><code>['1/1/2023']</code> - Enables January 1st, 2023</li>
+            <li><code>['1/1/2023', '1/2/2023']</code> - Enables January 1st and 2nd, 2023</li>
+            <li><code>['1/1/2023:1/10/2023']</code> - Enables the range January 1st to 10th, 2023</li>
+          </ul>
+        </td>
+        <td valign="top"><code>[]</code></td>
+      </tr>
       <tr>
         <td valign="top">dowLabels</td>
         <td valign="top"><code>array</code></td>
@@ -305,12 +322,18 @@
       <SinglePicker enableFutureDates />
     </div>
 
-    <h3>Disable Dates</h3>
+    <h3>Disabled Dates</h3>
 
     <div class="example">
       <SinglePicker enableFutureDates disabledDates={['11/25/23:11/29/23', '12/10/23', '12/14/23:12/31/23', '1/7/24:1/14/24']} />
     </div>
 
+    <h3>Enabled Dates</h3>
+
+    <div class="example">
+      <SinglePicker enableFutureDates enabledDates={['1/14/24:1/25/24']} />
+    </div>
+
     <h3>Theme</h3>
 
     <div class="example">

docs/src/examples/single/single.svelte

@@ -7,6 +7,7 @@
   export let disabledDates = [];
   export let enableFutureDates = null;
   export let enablePastDates = null;
+  export let enabledDates = [];
 
   let startDate = new Date();
   let dateFormat = 'MM/dd/yy';
@@ -56,7 +57,7 @@
   $: formattedStartDate = formatDate(startDate);
 </script>
 
-<DatePicker bind:isOpen bind:startDate${showTimePicker ? ' showTimePicker' : ''}${disabledDates.length ? ' disabledDates={' + JSON.stringify(disabledDates)+'}': ''}${enableFutureDates !== null && enableFutureDates ? ' enableFutureDates' : ''}${enablePastDates !== null && !enablePastDates ? ' enablePastDates={false}' : ''}>
+<DatePicker bind:isOpen bind:startDate${showTimePicker ? ' showTimePicker' : ''}${enabledDates.length ? ' enabledDates={' + JSON.stringify(enabledDates)+'}': ''}${disabledDates.length ? ' disabledDates={' + JSON.stringify(disabledDates)+'}': ''}${enableFutureDates !== null && enableFutureDates ? ' enableFutureDates' : ''}${enablePastDates !== null && !enablePastDates ? ' enablePastDates={false}' : ''}>
   <input type="text" placeholder="Select date" bind:value={formattedStartDate} on:click={toggleDatePicker} />
 </DatePicker>
 

src/datepicker.d.ts

@@ -75,6 +75,11 @@ export interface DatePickerProps {
    */
   disabledDates: string[];
 
+  /**
+   * An array of enabled dates.
+   */
+  enabledDates: string[];
+
   /**
    * Callback function to handle day click events.
    */

src/datepicker.svelte

@@ -86,6 +86,12 @@
    */
   export let disabledDates = [];
 
+  /**
+   * An array of enabled dates.
+   * @type {Date[]}
+   */
+  export let enabledDates = [];
+
   /**
    * Callback function to handle day click events.
    * @type {(event: Object) => void}
@@ -420,7 +426,7 @@
    * @param {string[]} disabled - An array of disabled dates.
    * @returns {string[]} - An array of dates within the specified range.
    */
-  const getDatesInRange = (startDate, endDate, disabled) => {
+  const getDatesInRange = (startDate, endDate) => {
     const dateRangeStart = new Date(startDate);
     const dateRangeEnd = new Date(endDate);
     const datesInRange = [];
@@ -429,7 +435,11 @@
       const formattedDate = `${
         dateRangeStart.getMonth() + 1
       }/${dateRangeStart.getDate()}/${dateRangeStart.getFullYear()}`;
-      if (!disabled.includes(formattedDate)) {
+      if (
+        (!enabled && !disabled) ||
+        (enabled.length && enabled.includes(formattedDate)) ||
+        (disabled.length && !disabled.includes(formattedDate))
+      ) {
         datesInRange.push(formattedDate);
       }
     }
@@ -470,7 +480,7 @@
       ...(isRange && {
         endDate,
         endDateTime,
-        rangeDates: getDatesInRange(startDate, endDate, disabled)
+        rangeDates: getDatesInRange(startDate, endDate)
       })
     };
 
@@ -564,7 +574,11 @@
    */
   const isDisabled = (day, month, year) => {
     const selectedDateTimestamp = createTimestamp(year, month, day);
-    return disabled.map((d) => new Date(d).getTime()).includes(selectedDateTimestamp);
+    return (
+      (!enabled && !disabled) ||
+      (enabled.length && !enabled.map((d) => new Date(d).getTime()).includes(selectedDateTimestamp)) ||
+      (disabled.length && disabled.map((d) => new Date(d).getTime()).includes(selectedDateTimestamp))
+    );
   };
 
   /**
@@ -752,11 +766,40 @@
     return `${hours}:${minutes}`;
   };
 
+  /**
+   * Returns an array of timestamps from an array of date strings.
+   * @param {string[]} collection - An array of date strings.
+   * @returns {number[]} - An array of timestamps.
+   */
+  const getDatesFromArray = (collection) => {
+    return collection.reduce((acc, date) => {
+      let newDates = [];
+
+      if (date instanceof Date) {
+        newDates = [date.getTime()];
+      } else if (typeof date === 'string' && date.includes(':')) {
+        const [rangeStart, rangeEnd] = date.split(':');
+        let dateRangeStart = new Date(rangeStart).getTime();
+        let dateRangeEnd = new Date(rangeEnd).getTime();
+
+        for (; dateRangeStart <= dateRangeEnd; dateRangeStart += MILLISECONDS_IN_DAY) {
+          newDates = [...newDates, dateRangeStart];
+        }
+      } else {
+        newDates = [new Date(date).getTime()];
+      }
+
+      return [...acc, ...newDates];
+    }, []);
+  };
+
   $: startDate = startDate ? getTimestamp(startDate) : null;
   $: endDate = endDate ? getTimestamp(endDate) : null;
+
   $: if (startDate || endDate) {
     updateCalendars();
   }
+
   $: todayMonth = today && today.getMonth();
   $: todayDay = today && today.getDate();
   $: todayYear = today && today.getFullYear();
@@ -768,24 +811,8 @@
   $: endDateCalendar = calendarize(new Date(endDateYear, endDateMonth), startOfWeek);
   $: !isRange && (endDate = null);
   $: theme !== null && document.documentElement.setAttribute('data-picker-theme', theme);
-  $: disabled = disabledDates.reduce((acc, date) => {
-    let newDates = [];
-    if (date instanceof Date) {
-      newDates = [date.getTime()];
-    } else if (typeof date === 'string' && date.includes(':')) {
-      const [rangeStart, rangeEnd] = date.split(':');
-      let dateRangeStart = new Date(rangeStart).getTime();
-      let dateRangeEnd = new Date(rangeEnd).getTime();
-
-      for (; dateRangeStart <= dateRangeEnd; dateRangeStart += MILLISECONDS_IN_DAY) {
-        newDates = [...newDates, dateRangeStart];
-      }
-    } else {
-      newDates = [new Date(date).getTime()];
-    }
-
-    return [...acc, ...newDates];
-  }, []);
+  $: disabled = getDatesFromArray(disabledDates);
+  $: enabled = getDatesFromArray(enabledDates);
 
   $: if (!startDate && !endDate) {
     startDateYear = Number(defaultYear);

src/datepicker.test.js

@@ -15,6 +15,7 @@ const config = {
   align: 'left',
   theme: '',
   disabledDates: [],
+  enabledDates: [],
   onDayClick: () => {},
   showYearControls: true,
   showPresets: false,