From ab9198d989e0889816e510b66dad1548ce0cfb48 Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Wed, 30 Apr 2025 17:57:36 +0200
Subject: feat: add button to share current position

---
 script.js | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/script.js b/script.js
index c998b4b..8e539d8 100644
--- a/script.js
+++ b/script.js
@@ -33,16 +33,15 @@ function route() {
         const shareInputButton = createEl('button', {}, ['Share']);
         const inputGroup = createEl('div', { class: 'input-group' }, [input, shareInputButton]);
         const errorDiv = createEl('div', { class: 'error' });
-        content.append(createEl('label', {}, ['Latitude, longitude', inputGroup]));
+        content.append(createEl('label', {}, ['Enter latitude, longitude', inputGroup]));
         content.append(errorDiv);
         function shareInput() {
             if (!input.value.trim()) {
                 return;
             }
             try {
-                let [lat, lon] = parseLatLon(input.value);
-                // TODO: use navigator.share if supported
-                window.location = `#${lat},${lon}`;
+                const [lat, lon] = parseLatLon(input.value);
+                shareLocation(lat, lon);
             } catch (error) {
                 errorDiv.textContent = error;
             }
@@ -53,7 +52,20 @@ function route() {
             }
         });
         shareInputButton.addEventListener('click', shareInput);
-        // TODO: provide a button to share the current position via navigator.geolocation.getCurrentPosition if supported
+        if (navigator.geolocation) {
+            const shareCurPos = createEl('button', {}, ['Share current position']);
+            content.append('or ', shareCurPos, errorDiv);
+            shareCurPos.addEventListener('click', () => {
+                navigator.geolocation.getCurrentPosition(
+                    (pos) => {
+                        shareLocation(pos.coords.latitude, pos.coords.longitude);
+                    },
+                    (err) => {
+                        errorDiv.textContent = err.message;
+                    },
+                );
+            });
+        }
     } else {
         document.title = 'Open location';
 
@@ -71,6 +83,11 @@ function route() {
     }
 }
 
+function shareLocation(lat, lon) {
+    // TODO: use navigator.share if supported
+    window.location = `#${lat},${lon}`;
+}
+
 function parseLatLon(text) {
     if (text == '') {
         return null;
-- 
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