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20220330_Vote/Ewide.Web.Entry/wwwroot/lib/xe-utils/browse.js

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+var staticStrUndefined = require('./staticStrUndefined')
+var staticDocument = require('./staticDocument')
+var staticWindow = require('./staticWindow')
+
+var assign = require('./assign')
+var arrayEach = require('./arrayEach')
+
+/* eslint-disable valid-typeof */
+function isBrowseStorage (storage) {
+  try {
+    var testKey = '__xe_t'
+    storage.setItem(testKey, 1)
+    storage.removeItem(testKey)
+    return true
+  } catch (e) {
+    return false
+  }
+}
+
+function isBrowseType (type) {
+  return navigator.userAgent.indexOf(type) > -1
+}
+
+/**
+  * 获取浏览器内核
+  * @return Object
+  */
+function browse () {
+  var $body, isChrome, isEdge
+  var isMobile = false
+  var result = {
+    isNode: false,
+    isMobile: isMobile,
+    isPC: false,
+    isDoc: !!staticDocument
+  }
+  if (!staticWindow && typeof process !== staticStrUndefined) {
+    result.isNode = true
+  } else {
+    isEdge = isBrowseType('Edge')
+    isChrome = isBrowseType('Chrome')
+    isMobile = /(Android|webOS|iPhone|iPad|iPod|SymbianOS|BlackBerry|Windows Phone)/.test(navigator.userAgent)
+    if (result.isDoc) {
+      $body = staticDocument.body || staticDocument.documentElement
+      arrayEach(['webkit', 'khtml', 'moz', 'ms', 'o'], function (core) {
+        result['-' + core] = !!$body[core + 'MatchesSelector']
+      })
+    }
+    assign(result, {
+      edge: isEdge,
+      firefox: isBrowseType('Firefox'),
+      msie: !isEdge && result['-ms'],
+      safari: !isChrome && !isEdge && isBrowseType('Safari'),
+      isMobile: isMobile,
+      isPC: !isMobile,
+      isLocalStorage: isBrowseStorage(staticWindow.localStorage),
+      isSessionStorage: isBrowseStorage(staticWindow.sessionStorage)
+    })
+  }
+  return result
+}
+
+module.exports = browse