fix: hide free text fields by default

Script was missing from Organisation and Relationship forms

Resolves #114

people/static/js/hide_free_text.js

@@ -0,0 +1,36 @@
+function hasOption(select, option) {
+    var exists = false;
+    for (var i = 0; i < select.options.length; i++) {
+        if (select.options[i].text.toLowerCase().startsWith(option)) return true;
+    }
+
+    return false;
+}
+
+function setFreeTextState(select, freeTextField) {
+    var other_selected = false;
+    for (var i = 0; i < select.selectedOptions.length; i++) {
+        if (select.selectedOptions[i].text.toLowerCase().startsWith('other')) {
+            other_selected = true;
+        }
+    }
+
+    if (other_selected) {
+        freeTextField.show();
+    } else {
+        freeTextField.hide();
+    }
+}
+
+$(document).ready(function () {
+    $('select').each(function (index, element) {
+        if (hasOption(element, 'other')) {
+            var freeTextField = $('#' + element.id + '_free').parent();
+            setFreeTextState(element, freeTextField);
+
+            $('#' + element.id).on('change', function (event) {
+                setFreeTextState(event.target, freeTextField);
+            });
+        }
+    })
+});