dalete merge && class operating methods

packages/utils/dom.js

@@ -1,101 +1,11 @@
 import Vue from 'vue';
-const isServer = Vue.prototype.$isServer;
 
-const trim = function(string) {
-  return (string || '').replace(/^[\s\uFEFF]+|[\s\uFEFF]+$/g, '');
-};
-
-export function hasClass(el, cls) {
-  if (!el || !cls) return false;
-  if (cls.indexOf(' ') !== -1) throw new Error('className should not contain space.');
-  if (el.classList) {
-    return el.classList.contains(cls);
-  } else {
-    return (' ' + el.className + ' ').indexOf(' ' + cls + ' ') > -1;
-  }
-};
-
-export function addClass(el, cls) {
-  if (!el) return;
-  var curClass = el.className;
-  var classes = (cls || '').split(' ');
-
-  for (var i = 0, j = classes.length; i < j; i++) {
-    var clsName = classes[i];
-    if (!clsName) continue;
-
-    if (el.classList) {
-      el.classList.add(clsName);
-    } else {
-      if (!hasClass(el, clsName)) {
-        curClass += ' ' + clsName;
-      }
-    }
-  }
-  if (!el.classList) {
-    el.className = curClass;
-  }
-};
-
-export function removeClass(el, cls) {
-  if (!el || !cls) return;
-  var classes = cls.split(' ');
-  var curClass = ' ' + el.className + ' ';
-
-  for (var i = 0, j = classes.length; i < j; i++) {
-    var clsName = classes[i];
-    if (!clsName) continue;
-
-    if (el.classList) {
-      el.classList.remove(clsName);
-    } else {
-      if (hasClass(el, clsName)) {
-        curClass = curClass.replace(' ' + clsName + ' ', ' ');
-      }
-    }
-  }
-  if (!el.classList) {
-    el.className = trim(curClass);
-  }
-};
 export const once = function(el, event, fn) {
-  var listener = function() {
+  const listener = function() {
     if (fn) {
       fn.apply(this, arguments);
     }
-    off(el, event, listener);
+    el.removeEventListener(event, listener);
   };
-  on(el, event, listener);
+  el.addEventListener(event, listener);
 };
-
-export const on = (function() {
-  if (!isServer && document.addEventListener) {
-    return function(element, event, handler) {
-      if (element && event && handler) {
-        element.addEventListener(event, handler, false);
-      }
-    };
-  } else {
-    return function(element, event, handler) {
-      if (element && event && handler) {
-        element.attachEvent('on' + event, handler);
-      }
-    };
-  }
-})();
-
-export const off = (function() {
-  if (!isServer && document.removeEventListener) {
-    return function(element, event, handler) {
-      if (element && event) {
-        element.removeEventListener(event, handler, false);
-      }
-    };
-  } else {
-    return function(element, event, handler) {
-      if (element && event) {
-        element.detachEvent('on' + event, handler);
-      }
-    };
-  }
-})();

packages/utils/merge.js

@@ -1,15 +0,0 @@
-export default function(target, ...sources) {
-  for (let i = 0; i < sources.length; i++) {
-    const source = sources[i] || {};
-    for (const prop in source) {
-      if (source.hasOwnProperty(prop)) {
-        const value = source[prop];
-        if (value !== undefined) {
-          target[prop] = value;
-        }
-      }
-    }
-  }
-
-  return target;
-};