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Viewing File: dom.js

'use strict';

var DOM = {};

DOM.e = function (tagName, className) {
  var element = document.createElement(tagName);
  element.className = className;
  return element;
};

DOM.appendTo = function (child, parent) {
  parent.appendChild(child);
  return child;
};

function cssGet(element, styleName) {
  return window.getComputedStyle(element)[styleName];
}

function cssSet(element, styleName, styleValue) {
  if (typeof styleValue === 'number') {
    styleValue = styleValue.toString() + 'px';
  }
  element.style[styleName] = styleValue;
  return element;
}

function cssMultiSet(element, obj) {
  for (var key in obj) {
    var val = obj[key];
    if (typeof val === 'number') {
      val = val.toString() + 'px';
    }
    element.style[key] = val;
  }
  return element;
}

DOM.css = function (element, styleNameOrObject, styleValue) {
  if (typeof styleNameOrObject === 'object') {
    // multiple set with object
    return cssMultiSet(element, styleNameOrObject);
  } else {
    if (typeof styleValue === 'undefined') {
      return cssGet(element, styleNameOrObject);
    } else {
      return cssSet(element, styleNameOrObject, styleValue);
    }
  }
};

DOM.matches = function (element, query) {
  if (typeof element.matches !== 'undefined') {
    return element.matches(query);
  } else {
    if (typeof element.matchesSelector !== 'undefined') {
      return element.matchesSelector(query);
    } else if (typeof element.webkitMatchesSelector !== 'undefined') {
      return element.webkitMatchesSelector(query);
    } else if (typeof element.mozMatchesSelector !== 'undefined') {
      return element.mozMatchesSelector(query);
    } else if (typeof element.msMatchesSelector !== 'undefined') {
      return element.msMatchesSelector(query);
    }
  }
};

DOM.remove = function (element) {
  if (typeof element.remove !== 'undefined') {
    element.remove();
  } else {
    if (element.parentNode) {
      element.parentNode.removeChild(element);
    }
  }
};

DOM.queryChildren = function (element, selector) {
  return Array.prototype.filter.call(element.childNodes, function (child) {
    return DOM.matches(child, selector);
  });
};

module.exports = DOM;