Support Input outside form

src/core/utils.js

@@ -494,18 +494,20 @@ function parseLength(length, reference_length = null) {
 
 // Return a jQuery object with elements related to an input element.
 function findRelatives(el) {
-    var $el = $(el),
-        $relatives = $(el),
-        $label = $();
+    el = jqToNode(el);
+    const $el = $(el);
+    let $relatives = $(el);
+    let $label = $();
 
     $relatives = $relatives.add($el.closest("label"));
     $relatives = $relatives.add($el.closest("fieldset"));
 
-    if (el.id) $label = $("label[for='" + el.id + "']");
+    if (el.id) {
+        $label = $(`label[for="${el.id}"]`);
+    }
     if (!$label.length) {
-        var $form = $el.closest("form");
-        if (!$form.length) $form = $(document.body);
-        $label = $form.find("label[for='" + el.name + "']");
+        const $form = $(el.form || el.closest("form") || document.body);
+        $label = $form.find(`label[for="${el.name}"]`);
     }
     $relatives = $relatives.add($label);
     return $relatives;

src/lib/dependshandler.js

@@ -1,58 +1,70 @@
 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
 }
 
 DependsHandler.prototype = {
     _findInputs: function (name) {
-        var $input = this.$context.find(":input[name='" + name + "']");
-        if (!$input.length) $input = $("#" + name);
+        let $input = this.$context.find(":input[name='" + name + "']"); // TODO input outside form
+        if (!$input.length) {
+            $input = $("#" + name);
+        }
         return $input;
     },
 
     _getValue: function (name) {
-        var $input = this._findInputs(name);
-        if (!$input.length) return null;
-
-        if ($input.attr("type") === "radio" || $input.attr("type") === "checkbox")
+        const $input = this._findInputs(name);
+        if (!$input.length) {
+            return null;
+        }
+        if ($input.attr("type") === "radio" || $input.attr("type") === "checkbox") {
             return $input.filter(":checked").val() || null;
-        else return $input.val();
+        }
+        return $input.val();
     },
 
     getAllInputs: function () {
-        var todo = [this.ast],
-            $inputs = $(),
-            node;
+        const todo = [this.ast];
+        let $inputs = $();
+        let node;
 
         while (todo.length) {
             node = todo.shift();
-            if (node.input) $inputs = $inputs.add(this._findInputs(node.input));
-            if (node.children && node.children.length)
+            if (node.input) {
+                $inputs = $inputs.add(this._findInputs(node.input));
+            }
+            if (node.children && node.children.length) {
                 todo.push.apply(todo, node.children);
+            }
         }
         return $inputs;
     },
 
     _evaluate: function (node) {
-        var value = node.input ? this._getValue(node.input) : null,
-            i;
+        const value = node.input ? this._getValue(node.input) : null;
 
         switch (node.type) {
             case "NOT":
                 return !this._evaluate(node.children[0]);
             case "AND":
-                for (i = 0; i < node.children.length; i++)
-                    if (!this._evaluate(node.children[i])) return false;
+                for (const child of node.children) {
+                    if (!this._evaluate(child)) {
+                        return false;
+                    }
+                }
                 return true;
             case "OR":
-                for (i = 0; i < node.children.length; i++)
-                    if (this._evaluate(node.children[i])) return true;
+                for (const child of node.children) {
+                    if (this._evaluate(child)) {
+                        return true;
+                    }
+                }
                 return false;
             case "comparison":
                 switch (node.operator) {
@@ -69,10 +81,14 @@ DependsHandler.prototype = {
                     case ">=":
                         return value >= node.value;
                     case "~=":
-                        if (value === null) return false;
+                        if (value === null) {
+                            return false;
+                        }
                         return value.indexOf(node.value) != -1;
                     case "=~":
-                        if (value === null || !node.value) return false;
+                        if (value === null || !node.value) {
+                            return false;
+                        }
                         return node.value.indexOf(value) != -1;
                 }
                 break;

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));