keep cursor at edit position while typing in the middle

CHANGELOG.md

@@ -52,6 +52,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 * Properly handle case sensitive tag values in taginfo suggestions in raw tag editor ([#9640])
 * Fix dysfunctional autocomplete of wikidata fields for some languages with country-codes ([#9638])
 * Prevent certain tag values from corrupting css classes when they contain whitespaces ([#9637], thanks [@k-yle])
+* Don't move the cursor to the end of (some) input fields while editing in the middle ([#9233])
 #### :earth_asia: Localization
 * Send `Accept-Language` header on Nominatim API calls ([#9501], thanks [@k-yle])
 * Add Address and Phone format for India ([#9482], thanks [@biswajit-k])
@@ -69,6 +70,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 * Build icons from configured presets source and also process field value `icons` in `npm run build:data`
 
 [#7427]: https://github.com/openstreetmap/iD/issues/7427
+[#9233]: https://github.com/openstreetmap/iD/issues/9233
 [#9482]: https://github.com/openstreetmap/iD/pull/9482
 [#9483]: https://github.com/openstreetmap/iD/pull/9483
 [#9492]: https://github.com/openstreetmap/iD/pull/9492

modules/util/get_set_value.js

@@ -2,7 +2,7 @@
 // which can result in layout/repaint thrashing in some situations.
 /** @returns {string} */
 export function utilGetSetValue(selection, value) {
-    function d3_selection_value(value) {
+    function setValue(value) {
         function valueNull() {
             delete this.value;
         }
@@ -27,9 +27,17 @@ export function utilGetSetValue(selection, value) {
             ? valueFunction : valueConstant);
     }
 
+    function stickyCursor(func) {
+        return function() {
+            const cursor = { start: this.selectionStart, end: this.selectionEnd };
+            func.apply(this, arguments);
+            this.setSelectionRange(cursor.start, cursor.end);
+        }
+    }
+
     if (arguments.length === 1) {
         return selection.property('value');
     }
 
-    return selection.each(d3_selection_value(value));
+    return selection.each(stickyCursor(setValue(value)));
 }