feat: Improve support for input elements outside form.

Author: thet

src/core/utils.js

@@ -494,6 +494,7 @@ function parseLength(length, reference_length = null) {
 
 // Return a jQuery object with elements related to an input element.
 function findRelatives(el) {
+    el = jqToNode(el);
     const $el = $(el);
     let $relatives = $(el);
     let $label = $();
@@ -505,10 +506,7 @@ function findRelatives(el) {
         $label = $(`label[for="${el.id}"]`);
     }
     if (!$label.length) {
-        let $form = $el.closest("form");
-        if (!$form.length) {
-            $form = $(document.body);
-        }
+        const $form = $(el.form || el.closest("form") || document.body);
         $label = $form.find(`label[for="${el.name}"]`);
     }
     $relatives = $relatives.add($label);

src/lib/dependshandler.js

@@ -1,11 +1,11 @@
 import $ from "jquery";
 import parser from "./depends_parse";
+import utils from "../core/utils";
 
 function DependsHandler($el, expression) {
-    var $context = $el.closest("form");
-    if (!$context.length) $context = $(document);
+    const el = utils.jqToNode($el);
     this.$el = $el;
-    this.$context = $context;
+    this.$context = $(el.form || el.closest("form") || document);
     this.ast = parser.parse(expression); // TODO: handle parse exceptions here
 }
 

src/pat/auto-suggest/auto-suggest.js

@@ -132,7 +132,7 @@ export default Base.extend({
 
         // Clear values on reset.
         events.add_event_listener(
-            this.el.closest("form"),
+            this.el.form || this.el.closest("form"), // TODO: `closest` necessary?
             "reset",
             "pat-auto-suggest--reset",
             () => this.$el.select2("val", "")

src/pat/close-panel/close-panel.js

@@ -27,7 +27,7 @@ export default Base.extend({
             if (
                 e.target.matches(":not([formnovalidate])") &&
                 e.target.matches("[type=submit], button:not([type=button])") &&
-                this.el.closest("form")?.checkValidity() === false
+                this.el.form?.checkValidity() === false
             ) {
                 // Prevent closing an invalid form when submitting.
                 return;

src/pat/image-crop/image-crop.js

@@ -52,7 +52,7 @@ var _ = {
             // Set the form ID
             if (opts.formId.length === 0) {
                 // no form ID supplied. Look for the closest parent form element
-                data.form = $this.closest("form");
+                data.form = $(this.form || this.closest("form"));
                 if (data.form.length === 0) {
                     log.error("No form specified or found");
                     return;

src/pat/sortable/sortable.js

@@ -20,7 +20,7 @@ export default Base.extend({
         if (window.__patternslib_import_styles) {
             import("./_sortable.scss");
         }
-        this.$form = this.$el.closest("form");
+        this.$form = $(this.el.form || this.el.closest("form"));
         this.options = parser.parse(this.$el, false);
         this.recordPositions().initScrolling();
         this.$el.on("pat-update", this.onPatternUpdate.bind(this));