vuikit/lib/util/attr.js

A responsive Vue UI library for web site interfaces based on UIkit

/**
 * Vuikit 0.8.10
 * (c) 2018 Miljan Aleksic
 * @license MIT
**/

/* Substantial part of the code is adapted from UIkit,
  Copyright (c) 2013-2018 YOOtheme GmbH, getuikit.com */

import { isFunction, isObject, isUndefined, toNode, toNodes } from './lang';

function attr (element, name, value) {
  if (isObject(name)) {
    for (var key in name) {
      attr(element, key, name[key]);
    }
    return
  }
  if (isUndefined(value)) {
    element = toNode(element);
    return element && element.getAttribute(name)
  } else {
    toNodes(element).forEach(function (element) {
      if (isFunction(value)) {
        value = value.call(element, attr(element, name));
      }
      if (value === null) {
        removeAttr(element, name);
      } else {
        element.setAttribute(name, value);
      }
    });
  }
}
function hasAttr (element, name) {
  return toNodes(element).some(function (element) { return element.hasAttribute(name); })
}
function removeAttr (element, name) {
  element = toNodes(element);
  name.split(' ').forEach(function (name) { return element.forEach(function (element) { return element.removeAttribute(name); }
    ); }
  );
}
function filterAttr (element, attribute, pattern, replacement) {
  attr(element, attribute, function (value) { return value ? value.replace(pattern, replacement) : value; });
}
function data (element, attribute) {
  for (var i = 0, attrs = [attribute, ("data-" + attribute)]; i < attrs.length; i++) {
    if (hasAttr(element, attrs[i])) {
      return attr(element, attrs[i])
    }
  }
}

export { attr, hasAttr, removeAttr, filterAttr, data };