Add Zmanim setUseElevation and getUseElevation

README.md

@@ -1913,6 +1913,8 @@ https://gml.noaa.gov/grad/solcalc/calcdetails.html
 * [Zmanim](#Zmanim)
     * [new Zmanim(gloc, date, useElevation)](#new_Zmanim_new)
     * _instance_
+        * [.getUseElevation()](#Zmanim+getUseElevation) ⇒ <code>boolean</code>
+        * [.setUseElevation(useElevation)](#Zmanim+setUseElevation)
         * [.timeAtAngle(angle, rising)](#Zmanim+timeAtAngle) ⇒ <code>Date</code>
         * [.sunrise()](#Zmanim+sunrise) ⇒ <code>Date</code>
         * [.seaLevelSunrise()](#Zmanim+seaLevelSunrise) ⇒ <code>Date</code>
@@ -1973,6 +1975,24 @@ const zmanim = new Zmanim(gloc, friday, false);
 const candleLighting = zmanim.sunsetOffset(-18, true);
 const timeStr = Zmanim.formatISOWithTimeZone(tzid, candleLighting);
 ```
+<a name="Zmanim+getUseElevation"></a>
+
+### zmanim.getUseElevation() ⇒ <code>boolean</code>
+Returns `true` if elevation adjustment is enabled
+for zmanim support elevation adjustment
+
+**Kind**: instance method of [<code>Zmanim</code>](#Zmanim)  
+<a name="Zmanim+setUseElevation"></a>
+
+### zmanim.setUseElevation(useElevation)
+Enables or disables elevation adjustment for zmanim support elevation adjustment
+
+**Kind**: instance method of [<code>Zmanim</code>](#Zmanim)  
+
+| Param | Type |
+| --- | --- |
+| useElevation | <code>boolean</code> | 
+
 <a name="Zmanim+timeAtAngle"></a>
 
 ### zmanim.timeAtAngle(angle, rising) ⇒ <code>Date</code>

hebcal.d.ts

@@ -420,6 +420,15 @@ declare module '@hebcal/core' {
          *    These zmanim intentionally do not support elevation adjustment.
          */
         constructor(gloc: GeoLocation, date: Date | HDate, useElevation?: boolean);
+        /**
+         * Returns `true` if elevation adjustment is enabled
+         * for zmanim support elevation adjustment
+         */
+        getUseElevation(): boolean;
+        /**
+         * Enables or disables elevation adjustment for zmanim support elevation adjustment
+         */
+        setUseElevation(useElevation: boolean): void;
 
         /**
          * Returns a string like "2022-04-01T13:06:00-11:00"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hebcal/core",
-  "version": "5.3.7",
+  "version": "5.3.8",
   "author": "Michael J. Radwin (https://github.com/mjradwin)",
   "contributors": [
     "Eyal Schachter (https://github.com/Scimonster)",

src/zmanim.js

@@ -82,6 +82,21 @@ export class Zmanim {
     this.noaa = new NOAACalculator(gloc, plainDate);
     this.useElevation = Boolean(useElevation);
   }
+  /**
+   * Returns `true` if elevation adjustment is enabled
+   * for zmanim support elevation adjustment
+   * @return {boolean}
+   */
+  getUseElevation() {
+    return this.useElevation;
+  }
+  /**
+   * Enables or disables elevation adjustment for zmanim support elevation adjustment
+   * @param {boolean} useElevation
+   */
+  setUseElevation(useElevation) {
+    this.useElevation = useElevation;
+  }
   /**
    * Convenience function to get the time when sun is above or below the horizon
    * for a certain angle (in degrees).

src/zmanim.spec.js

@@ -550,3 +550,19 @@ test('zmanim-Beitar Ilit', (t) => {
   }
   t.deepEqual(actual, expected);
 });
+
+test('useElevation', (t) => {
+  const zman = makeZmanWithElevation(); // with useElevation=true
+  t.is(zman.getUseElevation(), true);
+  zman.setUseElevation(false);
+  t.is(zman.getUseElevation(), false);
+  zman.setUseElevation(true);
+  t.is(zman.getUseElevation(), true);
+
+  const zman2 = makeZman(); // with useElevation=false
+  t.is(zman2.getUseElevation(), false);
+  zman2.setUseElevation(true);
+  t.is(zman2.getUseElevation(), true);
+  zman2.setUseElevation(false);
+  t.is(zman2.getUseElevation(), false);
+});