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Add tom select npm package

Benjamin Roth authored on02/02/2023 12:00:30
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public/lib/tomselect/esm/utils.js
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+/**
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+* Tom Select v2.2.2
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+* Licensed under the Apache License, Version 2.0 (the "License");
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+*/
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+
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+/**
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+ * Converts a scalar to its best string representation
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+ * for hash keys and HTML attribute values.
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+ *
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+ * Transformations:
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+ *   'str'     -> 'str'
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+ *   null      -> ''
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+ *   undefined -> ''
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+ *   true      -> '1'
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+ *   false     -> '0'
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+ *   0         -> '0'
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+ *   1         -> '1'
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+ *
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+ */
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+const hash_key = value => {
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+  if (typeof value === 'undefined' || value === null) return null;
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+  return get_hash(value);
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+};
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+const get_hash = value => {
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+  if (typeof value === 'boolean') return value ? '1' : '0';
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+  return value + '';
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+};
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+/**
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+ * Escapes a string for use within HTML.
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+ *
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+ */
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+
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+const escape_html = str => {
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+  return (str + '').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
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+};
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+/**
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+ * Debounce the user provided load function
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+ *
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+ */
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+
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+const loadDebounce = (fn, delay) => {
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+  var timeout;
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+  return function (value, callback) {
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+    var self = this;
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+
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+    if (timeout) {
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+      self.loading = Math.max(self.loading - 1, 0);
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+      clearTimeout(timeout);
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+    }
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+
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+    timeout = setTimeout(function () {
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+      timeout = null;
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+      self.loadedSearches[value] = true;
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+      fn.call(self, value, callback);
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+    }, delay);
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+  };
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+};
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+/**
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+ * Debounce all fired events types listed in `types`
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+ * while executing the provided `fn`.
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+ *
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+ */
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+
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+const debounce_events = (self, types, fn) => {
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+  var type;
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+  var trigger = self.trigger;
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+  var event_args = {}; // override trigger method
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+
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+  self.trigger = function () {
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+    var type = arguments[0];
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+
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+    if (types.indexOf(type) !== -1) {
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+      event_args[type] = arguments;
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+    } else {
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+      return trigger.apply(self, arguments);
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+    }
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+  }; // invoke provided function
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+
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+
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+  fn.apply(self, []);
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+  self.trigger = trigger; // trigger queued events
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+
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+  for (type of types) {
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+    if (type in event_args) {
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+      trigger.apply(self, event_args[type]);
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+    }
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+  }
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+};
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+/**
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+ * Determines the current selection within a text input control.
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+ * Returns an object containing:
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+ *   - start
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+ *   - length
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+ *
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+ */
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+
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+const getSelection = input => {
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+  return {
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+    start: input.selectionStart || 0,
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+    length: (input.selectionEnd || 0) - (input.selectionStart || 0)
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+  };
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+};
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+/**
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+ * Prevent default
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+ *
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+ */
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+
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+const preventDefault = (evt, stop = false) => {
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+  if (evt) {
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+    evt.preventDefault();
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+
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+    if (stop) {
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+      evt.stopPropagation();
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+    }
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+  }
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+};
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+/**
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+ * Add event helper
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+ *
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+ */
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+
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+const addEvent = (target, type, callback, options) => {
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+  target.addEventListener(type, callback, options);
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+};
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+/**
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+ * Return true if the requested key is down
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+ * Will return false if more than one control character is pressed ( when [ctrl+shift+a] != [ctrl+a] )
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+ * The current evt may not always set ( eg calling advanceSelection() )
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+ *
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+ */
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+
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+const isKeyDown = (key_name, evt) => {
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+  if (!evt) {
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+    return false;
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+  }
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+
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+  if (!evt[key_name]) {
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+    return false;
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+  }
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+
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+  var count = (evt.altKey ? 1 : 0) + (evt.ctrlKey ? 1 : 0) + (evt.shiftKey ? 1 : 0) + (evt.metaKey ? 1 : 0);
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+
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+  if (count === 1) {
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+    return true;
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+  }
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+
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+  return false;
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+};
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+/**
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+ * Get the id of an element
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+ * If the id attribute is not set, set the attribute with the given id
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+ *
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+ */
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+
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+const getId = (el, id) => {
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+  const existing_id = el.getAttribute('id');
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+
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+  if (existing_id) {
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+    return existing_id;
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+  }
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+
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+  el.setAttribute('id', id);
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+  return id;
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+};
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+/**
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+ * Returns a string with backslashes added before characters that need to be escaped.
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+ */
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+
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+const addSlashes = str => {
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+  return str.replace(/[\\"']/g, '\\$&');
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+};
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+/**
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+ *
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+ */
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+
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+const append = (parent, node) => {
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+  if (node) parent.append(node);
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+};
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+
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+export { addEvent, addSlashes, append, debounce_events, escape_html, getId, getSelection, get_hash, hash_key, isKeyDown, loadDebounce, preventDefault };
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+//# sourceMappingURL=utils.js.map