[发布优惠券提货券index报错]

components/vue-canvas-poster/util.js

@@ -0,0 +1,60 @@
+const isValidUrl = url => {
+  return /(ht|f)tp(s?):\/\/([^ \\/]*\.)+[^ \\/]*(:[0-9]+)?\/?/.test(url)
+}
+
+/**
+ * 深度对比两个对象是否一致
+ * from: https://github.com/epoberezkin/fast-deep-equal
+ * @param  {Object} a 对象a
+ * @param  {Object} b 对象b
+ * @return {Boolean}   是否相同
+ */
+/* eslint-disable */
+const equal = (a, b) => {
+  if (a === b) return true
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    var arrA = Array.isArray(a),
+      arrB = Array.isArray(b),
+      i,
+      length,
+      key
+
+    if (arrA && arrB) {
+      length = a.length
+      if (length != b.length) return false
+      for (i = length; i-- !== 0; ) if (!equal(a[i], b[i])) return false
+      return true
+    }
+
+    if (arrA != arrB) return false
+
+    var dateA = a instanceof Date,
+      dateB = b instanceof Date
+    if (dateA != dateB) return false
+    if (dateA && dateB) return a.getTime() == b.getTime()
+
+    var regexpA = a instanceof RegExp,
+      regexpB = b instanceof RegExp
+    if (regexpA != regexpB) return false
+    if (regexpA && regexpB) return a.toString() == b.toString()
+
+    var keys = Object.keys(a)
+    length = keys.length
+
+    if (length !== Object.keys(b).length) return false
+
+    for (i = length; i-- !== 0; ) if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false
+
+    for (i = length; i-- !== 0; ) {
+      key = keys[i]
+      if (!equal(a[key], b[key])) return false
+    }
+
+    return true
+  }
+
+  return a !== a && b !== b
+}
+
+export { isValidUrl, equal }