Add Tom-Select lib

node_modules/tom-select/dist/esm/plugins/caret_position/plugin.js

@@ -0,0 +1,163 @@
+/**
+* Tom Select v2.4.3
+* Licensed under the Apache License, Version 2.0 (the "License");
+*/
+
+/**
+ * Converts a scalar to its best string representation
+ * for hash keys and HTML attribute values.
+ *
+ * Transformations:
+ *   'str'     -> 'str'
+ *   null      -> ''
+ *   undefined -> ''
+ *   true      -> '1'
+ *   false     -> '0'
+ *   0         -> '0'
+ *   1         -> '1'
+ *
+ */
+
+/**
+ * Iterates over arrays and hashes.
+ *
+ * ```
+ * iterate(this.items, function(item, id) {
+ *    // invoked for each item
+ * });
+ * ```
+ *
+ */
+const iterate = (object, callback) => {
+  if (Array.isArray(object)) {
+    object.forEach(callback);
+  } else {
+    for (var key in object) {
+      if (object.hasOwnProperty(key)) {
+        callback(object[key], key);
+      }
+    }
+  }
+};
+
+/**
+ * Remove css classes
+ *
+ */
+const removeClasses = (elmts, ...classes) => {
+  var norm_classes = classesArray(classes);
+  elmts = castAsArray(elmts);
+  elmts.map(el => {
+    norm_classes.map(cls => {
+      el.classList.remove(cls);
+    });
+  });
+};
+
+/**
+ * Return arguments
+ *
+ */
+const classesArray = args => {
+  var classes = [];
+  iterate(args, _classes => {
+    if (typeof _classes === 'string') {
+      _classes = _classes.trim().split(/[\t\n\f\r\s]/);
+    }
+    if (Array.isArray(_classes)) {
+      classes = classes.concat(_classes);
+    }
+  });
+  return classes.filter(Boolean);
+};
+
+/**
+ * Create an array from arg if it's not already an array
+ *
+ */
+const castAsArray = arg => {
+  if (!Array.isArray(arg)) {
+    arg = [arg];
+  }
+  return arg;
+};
+
+/**
+ * Get the index of an element amongst sibling nodes of the same type
+ *
+ */
+const nodeIndex = (el, amongst) => {
+  if (!el) return -1;
+  amongst = amongst || el.nodeName;
+  var i = 0;
+  while (el = el.previousElementSibling) {
+    if (el.matches(amongst)) {
+      i++;
+    }
+  }
+  return i;
+};
+
+/**
+ * Plugin: "dropdown_input" (Tom Select)
+ * Copyright (c) contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
+ * file except in compliance with the License. You may obtain a copy of the License at:
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+ * ANY KIND, either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ *
+ */
+
+function plugin () {
+  var self = this;
+
+  /**
+   * Moves the caret to the specified index.
+   *
+   * The input must be moved by leaving it in place and moving the
+   * siblings, due to the fact that focus cannot be restored once lost
+   * on mobile webkit devices
+   *
+   */
+  self.hook('instead', 'setCaret', new_pos => {
+    if (self.settings.mode === 'single' || !self.control.contains(self.control_input)) {
+      new_pos = self.items.length;
+    } else {
+      new_pos = Math.max(0, Math.min(self.items.length, new_pos));
+      if (new_pos != self.caretPos && !self.isPending) {
+        self.controlChildren().forEach((child, j) => {
+          if (j < new_pos) {
+            self.control_input.insertAdjacentElement('beforebegin', child);
+          } else {
+            self.control.appendChild(child);
+          }
+        });
+      }
+    }
+    self.caretPos = new_pos;
+  });
+  self.hook('instead', 'moveCaret', direction => {
+    if (!self.isFocused) return;
+
+    // move caret before or after selected items
+    const last_active = self.getLastActive(direction);
+    if (last_active) {
+      const idx = nodeIndex(last_active);
+      self.setCaret(direction > 0 ? idx + 1 : idx);
+      self.setActiveItem();
+      removeClasses(last_active, 'last-active');
+
+      // move caret left or right of current position
+    } else {
+      self.setCaret(self.caretPos + direction);
+    }
+  });
+}
+
+export { plugin as default };
+//# sourceMappingURL=plugin.js.map