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fails = require('../internals/fails');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (METHOD_NAME) {\n  // We can't use this feature detection in V8 since it causes\n  // deoptimization and serious performance degradation\n  // https://github.com/zloirock/core-js/issues/677\n  return V8_VERSION >= 51 || !fails(function () {\n    var array = [];\n    var constructor = array.constructor = {};\n    constructor[SPECIES] = function () {\n      return { foo: 1 };\n    };\n    return array[METHOD_NAME](Boolean).foo !== 1;\n  });\n};\n","var url = {\r\n    isTest: process.env.NODE_ENV === 'development' ,\r\n    getHost: function () {\r\n        if (this.isTest)\r\n            return 'localhost:50000';\r\n        return 'yl.khqianle.cn';\r\n    },\r\n    getDomain: function () {\r\n        if (this.isTest)\r\n            return `http://${this.getHost()}`;\r\n        return `http://${this.getHost()}`;\r\n    },\r\n    getController: function (controller, action) {\r\n        if (action)\r\n            return `${this.getDomain()}/${controller}/${action}`;\r\n        else\r\n            return `${this.getDomain()}/${controller}`;\r\n    },\r\n    //UE服务端接口\r\n    getUE: function () {\r\n        return this.getController('api/ueditor');\r\n    },\r\n    //UE配置地址\r\n    getUEConfig: function () {\r\n        if (this.isTest)\r\n            return '/UEditor/';\r\n        return '/vue/UEditor/';\r\n    },\r\n    //统一上传地址\r\n    getUpload: function () {\r\n        return \"ws://\" + this.getHost() + \"/upload/common\";\r\n    },\r\n    getCompany: function (str) {\r\n        return this.getController('company', str);\r\n    },\r\n    getAccount(str) {\r\n        return this.getController('api/account', str);\r\n    },\r\n    getGroup(str){\r\n        return this.getController('api/group', str);\r\n    },\r\n    getCommon(str){\r\n        return this.getController('api/Common', str);\r\n    },\r\n    getCategory(str) {\r\n        return this.getController('categoryinfo', str);\r\n    },\r\n    getSubject(str) {\r\n        return this.getController('subjectinfo', str);\r\n    },\r\n    getCards(str) {\r\n        return this.getController('cardsinfo', str);\r\n    },\r\n    getSys(str) {\r\n        return this.getController('api/sys', str);\r\n    },\r\n    getCollect(str) {\r\n        return this.getController('api/collect', str);\r\n    },\r\n    \r\n    getNews(str) {\r\n        return this.getController('api/news', str);\r\n    },\r\n    getCourse(str) {\r\n        return this.getController('api/course', str);\r\n    },\r\n}\r\nexport default url;","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{attrs:{\"id\":\"banner\"}},[_c('el-breadcrumb',[_c('el-breadcrumb-item',[_c('router-link',{attrs:{\"to\":\"./\"}},[_vm._v(\"首页\")])],1),_c('el-breadcrumb-item',[_vm._v(\"课程分类\")])],1),_c('div',{staticClass:\"content\"},[_c('el-form',{staticClass:\"query-form\",attrs:{\"inline\":\"\",\"label-position\":\"right\",\"label-width\":\"60px\",\"size\":\"small\"},nativeOn:{\"submit\":function($event){$event.preventDefault();return _vm.getList()}}},[_c('el-form-item',{attrs:{\"label\":\"搜索\"}},[_c('el-input',{attrs:{\"placeholder\":\"请输入关键词\"},model:{value:(_vm.query.key),callback:function ($$v) {_vm.$set(_vm.query, \"key\", $$v)},expression:\"query.key\"}})],1),_c('el-form-item',[_c('el-button',{attrs:{\"type\":\"primary\"},on:{\"click\":function($event){return _vm.selSel()}}},[_vm._v(\"查询\")]),_c('el-button',{attrs:{\"type\":\"success\"},on:{\"click\":function($event){return _vm.addClick()}}},[_vm._v(\"新增\")])],1)],1),_c('el-card',{staticClass:\"box-card table\"},[_c('div',{staticClass:\"clearfix\",attrs:{\"slot\":\"header\"},slot:\"header\"},[_c('span',[_vm._v(\"课程分类列表\")])]),_c('el-table',{directives:[{name:\"loading\",rawName:\"v-loading\",value:(_vm.loading),expression:\"loading\"}],ref:\"tableData\",staticStyle:{\"width\":\"100%\"},attrs:{\"data\":_vm.tableData,\"border\":\"\",\"stripe\":\"\"},on:{\"sort-change\":_vm.sortChange,\"filter-change\":_vm.filterTag}},[_c('el-table-column',{attrs:{\"prop\":\"name\",\"label\":\"分类名称\"},scopedSlots:_vm._u([{key:\"default\",fn:function(scope){return [_c('el-link',{attrs:{\"type\":\"primary\",\"target\":\"_blank\",\"href\":scope.row.linkUrl}},[_vm._v(_vm._s(scope.row.name))])]}}])}),_c('el-table-column',{attrs:{\"prop\":\"sort\",\"label\":\"排序\"}}),_c('el-table-column',{attrs:{\"prop\":\"createTime\",\"label\":\"添加时间\"}}),_c('el-table-column',{attrs:{\"label\":\"操作\"},scopedSlots:_vm._u([{key:\"default\",fn:function(scope){return [_c('el-tooltip',{attrs:{\"content\":\"编辑\",\"placement\":\"top\"}},[_c('el-button',{attrs:{\"type\":\"primary\",\"size\":\"mini\",\"icon\":\"el-icon-edit\"},on:{\"click\":function($event){return _vm.editClick(scope.row)}}})],1),_c('el-tooltip',{attrs:{\"content\":\"删除\",\"placement\":\"top\"}},[_c('el-button',{attrs:{\"type\":\"danger\",\"size\":\"mini\",\"icon\":\"el-icon-delete\"},on:{\"click\":function($event){return _vm.delClick(scope.row)}}})],1)]}}])})],1),_c('div',{staticClass:\"block\",staticStyle:{\"margin-top\":\"20px\"}},[_c('el-pagination',{attrs:{\"background\":\"\",\"current-page\":_vm.currentPage4,\"page-size\":_vm.pageSize,\"page-sizes\":[10,20,30,50,100],\"layout\":\"total,prev,sizes,pager,next,jumper\",\"total\":_vm.total},on:{\"size-change\":_vm.handleSizeChange,\"current-change\":_vm.handleCurrentChange}})],1)],1)],1),_c('el-dialog',{attrs:{\"title\":_vm.form.id>0?'修改分类':'添加分类',\"visible\":_vm.dialogVisible},on:{\"update:visible\":function($event){_vm.dialogVisible=$event},\"opened\":function($event){return _vm.dialogOpened()}}},[_c('el-form',{ref:\"form\",attrs:{\"model\":_vm.form,\"label-width\":\"100px\",\"status-icon\":true},nativeOn:{\"submit\":function($event){$event.preventDefault();return _vm.submitForm(_vm.form)}}},[_c('el-form-item',{attrs:{\"label\":\"名称\",\"prop\":\"name\",\"rules\":[{required:true,message:'请输入标题,最多10个字'}]}},[_c('el-input',{attrs:{\"placeholder\":\"请输入标题\"},model:{value:(_vm.form.name),callback:function ($$v) {_vm.$set(_vm.form, \"name\", $$v)},expression:\"form.name\"}})],1),_c('el-form-item',{attrs:{\"label\":\"图标\",\"rules\":[{required:true,message:'不能为空'}]}},[_c('div',{staticClass:\"uploader uploader-warning\",attrs:{\"id\":\"uploadBtn1\"}}),(_vm.form.imgUrl)?_c('img',{staticStyle:{\"height\":\"40px\",\"position\":\"relative\",\"left\":\"10px\",\"top\":\"20px\"},attrs:{\"id\":\"relativeName\",\"src\":_vm.domain+_vm.form.imgUrl}}):_vm._e()]),_c('el-form-item',{attrs:{\"label\":\"简介\",\"prop\":\"summary\"}},[_c('el-input',{attrs:{\"placeholder\":\"请输入简介\"},model:{value:(_vm.form.summary),callback:function ($$v) {_vm.$set(_vm.form, \"summary\", $$v)},expression:\"form.summary\"}})],1),_c('el-form-item',{attrs:{\"label\":\"排序\",\"prop\":\"sort\"}},[_c('el-input',{attrs:{\"type\":\"number\",\"placeholder\":\"请输入排序字段\"},model:{value:(_vm.form.sort),callback:function ($$v) {_vm.$set(_vm.form, \"sort\", _vm._n($$v))},expression:\"form.sort\"}})],1),_c('el-form-item',{attrs:{\"label\":\"seo标题\",\"prop\":\"seo_Title\"}},[_c('el-input',{attrs:{\"placeholder\":\"请输入seo标题\"},model:{value:(_vm.form.seo_Title),callback:function ($$v) {_vm.$set(_vm.form, \"seo_Title\", _vm._n($$v))},expression:\"form.seo_Title\"}})],1),_c('el-form-item',{attrs:{\"label\":\"seo关键字\",\"prop\":\"seo_Keywords\"}},[_c('el-input',{attrs:{\"placeholder\":\"请输入seo关键字\"},model:{value:(_vm.form.seo_Keywords),callback:function ($$v) {_vm.$set(_vm.form, \"seo_Keywords\", _vm._n($$v))},expression:\"form.seo_Keywords\"}})],1),_c('el-form-item',{attrs:{\"label\":\"seo描述\",\"prop\":\"seo_Description\"}},[_c('el-input',{attrs:{\"placeholder\":\"请输入seo描述\"},model:{value:(_vm.form.seo_Description),callback:function ($$v) {_vm.$set(_vm.form, \"seo_Description\", _vm._n($$v))},expression:\"form.seo_Description\"}})],1),_c('el-form-item',[_c('el-button',{attrs:{\"type\":\"primary\",\"loading\":_vm.submiting,\"native-type\":\"submit\"}},[_vm._v(\"提交\")]),_c('el-button',{on:{\"click\":function($event){_vm.dialogVisible=false}}},[_vm._v(\"取消\")])],1)],1)],1)],1)}\nvar staticRenderFns = []\n\nexport { render, staticRenderFns }","<template>\r\n  <div id=\"banner\">\r\n    <!-- 导航1 -->\r\n    <el-breadcrumb>\r\n      <el-breadcrumb-item>\r\n        <router-link to=\"./\">首页</router-link>\r\n      </el-breadcrumb-item>\r\n      <el-breadcrumb-item>课程分类</el-breadcrumb-item>\r\n    </el-breadcrumb>\r\n    <!-- 主体内容2 -->\r\n    <div class=\"content\">\r\n      <!-- 搜索框sel2.1 -->\r\n      <el-form\r\n        inline\r\n        label-position=\"right\"\r\n        label-width=\"60px\"\r\n        size=\"small\"\r\n        class=\"query-form\"\r\n        @submit.native.prevent=\"getList()\"\r\n      >\r\n        <el-form-item label=\"搜索\">\r\n          <el-input v-model=\"query.key\" placeholder=\"请输入关键词\"></el-input>\r\n        </el-form-item>\r\n        <el-form-item>\r\n          <el-button type=\"primary\" @click=\"selSel()\">查询</el-button>\r\n          <el-button type=\"success\" @click=\"addClick()\">新增</el-button>\r\n        </el-form-item>\r\n      </el-form>\r\n      <!-- 列表框2.2 -->\r\n      <el-card class=\"box-card table\">\r\n        <div slot=\"header\" class=\"clearfix\">\r\n          <span>课程分类列表</span>\r\n        </div>\r\n        \r\n        <!-- 列表 -->\r\n        <el-table\r\n          v-loading=\"loading\"\r\n          :data=\"tableData\"\r\n          ref=\"tableData\"\r\n          border\r\n          stripe\r\n          style=\"width:100%\"\r\n          @sort-change=\"sortChange\"\r\n          @filter-change=\"filterTag\"\r\n        >\r\n        <el-table-column prop=\"name\" label=\"分类名称\">\r\n          <template slot-scope=\"scope\">\r\n            <el-link type=\"primary\" target=\"_blank\" :href=\"scope.row.linkUrl\">{{scope.row.name}}</el-link>\r\n          </template>\r\n        </el-table-column>\r\n          <!-- <el-table-column prop=\"name\" label=\"分类名称\"></el-table-column> -->\r\n          <el-table-column prop=\"sort\" label=\"排序\"></el-table-column>\r\n          <el-table-column prop=\"createTime\" label=\"添加时间\"></el-table-column>\r\n\r\n          <el-table-column label=\"操作\">\r\n            <template slot-scope=\"scope\">\r\n              <el-tooltip content=\"编辑\" placement=\"top\">\r\n                <el-button\r\n                  type=\"primary\"\r\n                  size=\"mini\"\r\n                  icon=\"el-icon-edit\"\r\n                  @click=\"editClick(scope.row)\"\r\n                ></el-button>\r\n              </el-tooltip>\r\n              <el-tooltip content=\"删除\" placement=\"top\">\r\n                <el-button\r\n                  type=\"danger\"\r\n                  size=\"mini\"\r\n                  icon=\"el-icon-delete\"\r\n                  @click=\"delClick(scope.row)\"\r\n                ></el-button>\r\n              </el-tooltip>\r\n            </template>\r\n          </el-table-column>\r\n        </el-table>\r\n        <!-- 分页条page -->\r\n        <div class=\"block\" style=\"margin-top:20px;\">\r\n          <el-pagination\r\n            background\r\n            @size-change=\"handleSizeChange\"\r\n            @current-change=\"handleCurrentChange\"\r\n            :current-page=\"currentPage4\"\r\n            :page-size=\"pageSize\"\r\n            :page-sizes=\"[10,20,30,50,100]\"\r\n            layout=\"total,prev,sizes,pager,next,jumper\"\r\n            :total=\"total\"\r\n          ></el-pagination>\r\n        </div>\r\n      </el-card>\r\n    </div>\r\n    <!-- 操作对话框3 -->\r\n    <el-dialog\r\n      :title=\"form.id>0?'修改分类':'添加分类'\"\r\n      :visible.sync=\"dialogVisible\"\r\n      @opened=\"dialogOpened()\"\r\n    >\r\n      <el-form\r\n        :model=\"form\"\r\n        ref=\"form\"\r\n        label-width=\"100px\"\r\n        :status-icon=\"true\"\r\n        @submit.native.prevent=\"submitForm(form)\"\r\n      >\r\n        <!-- 内容3.1 -->\r\n        <el-form-item label=\"名称\" prop=\"name\" :rules=\"[{required:true,message:'请输入标题,最多10个字'}]\">\r\n          <el-input v-model=\"form.name\" placeholder=\"请输入标题\"></el-input>\r\n        </el-form-item>\r\n\r\n        <el-form-item label=\"图标\" :rules=\"[{required:true,message:'不能为空'}]\">\r\n          <div id=\"uploadBtn1\" class=\"uploader uploader-warning\"></div>\r\n          <img\r\n            id=\"relativeName\"\r\n            :src=\"domain+form.imgUrl\"\r\n            style=\"height:40px;position:relative;left:10px;top:20px;\"\r\n            v-if=\"form.imgUrl\"\r\n          />\r\n        </el-form-item>\r\n\r\n        <el-form-item label=\"简介\" prop=\"summary\">\r\n          <el-input v-model=\"form.summary\" placeholder=\"请输入简介\"></el-input>\r\n        </el-form-item>\r\n\r\n        <el-form-item label=\"排序\" prop=\"sort\">\r\n          <el-input type=\"number\" v-model.number=\"form.sort\" placeholder=\"请输入排序字段\"></el-input>\r\n        </el-form-item>\r\n        <el-form-item\r\n          label=\"seo标题\"\r\n          prop=\"seo_Title\"\r\n        >\r\n          <el-input v-model.number=\"form.seo_Title\" placeholder=\"请输入seo标题\"></el-input>\r\n        </el-form-item>\r\n                 <el-form-item\r\n          label=\"seo关键字\"\r\n          prop=\"seo_Keywords\"\r\n        >\r\n          <el-input v-model.number=\"form.seo_Keywords\" placeholder=\"请输入seo关键字\"></el-input>\r\n        </el-form-item>\r\n                 <el-form-item\r\n          label=\"seo描述\"\r\n          prop=\"seo_Description\"\r\n        >\r\n          <el-input v-model.number=\"form.seo_Description\" placeholder=\"请输入seo描述\"></el-input>\r\n        </el-form-item>\r\n\r\n        <!-- 布尔选择框 -->\r\n        <el-form-item>\r\n          <el-button type=\"primary\" :loading=\"submiting\" native-type=\"submit\">提交</el-button>\r\n          <el-button @click=\"dialogVisible=false\">取消</el-button>\r\n        </el-form-item>\r\n      </el-form>\r\n    </el-dialog>\r\n  </div>\r\n</template>\r\n\r\n<script>\r\nimport url from \"@/plugins/urlHelper.js\";\r\n\r\nexport default {\r\n  data() {\r\n    return {\r\n      domain: url.getDomain(),\r\n      query: {},\r\n      form: {},\r\n      tableData: [],\r\n      total: 0,\r\n      dialogVisible: false,\r\n      loading: false,\r\n      submiting: false,\r\n      currentPage4: 1,\r\n      pageSize: 10,\r\n    };\r\n  },\r\n  created() {\r\n    this.getList();\r\n  },\r\n  methods: {\r\n    handleSizeChange: function(val) {\r\n      this.pageSize = val;\r\n      this.currentPage41;\r\n      this.getList();\r\n    },\r\n    handleCurrentChange: function(val) {\r\n      this.currentPage4 = val;\r\n      this.getList();\r\n    },\r\n    // 排序\r\n    sortChange: function(sortColumn) {\r\n      this.query.sort = sortColumn.sort;\r\n      this.query.order = sortColumn.order;\r\n      this.getList();\r\n    },\r\n    // 筛选\r\n    filterTag: function(filter) {\r\n      var val = filter[\"isEnable\"][0];\r\n      this.getList();\r\n    },\r\n    //查询\r\n    selSel() {\r\n      this.currentPage4 = 1;\r\n      this.getList();\r\n    },\r\n    // 新增\r\n    addClick() {\r\n      this.dialogVisible = true;\r\n      this.form = {};\r\n    },\r\n    //列表方法\r\n    getList() {\r\n      var _this = this;\r\n      _this.loading = true;\r\n      var params = _this.query;\r\n      params.pageSize = _this.pageSize;\r\n      params.pageIndex = _this.currentPage4;\r\n      var link = url.getCourse(\"GetCateList\");\r\n      $.get(link, params, data => {\r\n        _this.loading = false;\r\n        _this.tableData = data.list;\r\n        _this.total = data.total;\r\n      });\r\n    },\r\n    // 修改\r\n    editClick(row) {\r\n        var _this=this;\r\n      _this.dialogVisible = true;\r\n      var id=row.id;\r\n      var link=url.getCourse('GetCate_Info');\r\n      $.get(link,{id:id},res=>{\r\n          _this.form=res;\r\n      })\r\n    },\r\n    // 删除\r\n    delClick(row) {\r\n      var _this = this;\r\n      var link=url.getCourse('DelectCate_Info');\r\n      var id = row.id;\r\n\r\n      this.$confirm(\"确定删除？\", \"提示\", {\r\n        confirmButtonText: \"确定\",\r\n        cancelButtonText: \"取消\",\r\n        type: \"warning\"\r\n      })\r\n        .then(() => {\r\n          $.post(link, { id: id }, res => {\r\n            if (res.status) {\r\n              _this.getList();\r\n              this.$message({\r\n                type: \"success\",\r\n                message: \"删除成功!\"\r\n              });\r\n            } else {\r\n              this.$message({\r\n                type: \"error\",\r\n                message: \"删除失败!\"\r\n              });\r\n            }\r\n          });\r\n        })\r\n        .catch(() => {\r\n          this.$message({\r\n            type: \"info\",\r\n            message: \"已取消删除!\"\r\n          });\r\n        });\r\n    },\r\n    //上传图片\r\n    dialogOpened: function() {\r\n      var _this = this;\r\n\r\n      // 上传图片\r\n      if ($(\"#uploadBtn1 input\").length == 0) {\r\n        $(\"#uploadBtn1\").uploader({\r\n          url: url.getUpload(),\r\n          text: \"上传图片\",\r\n          fileExts: \"png\",\r\n          handleType: \"0\",\r\n          maxSize: 1024 * 1024 * 1,\r\n          onSuccess: function(data) {\r\n            var src = url.getDomain() + data.relativeName;\r\n            _this.$set(_this.form, \"imgUrl\", data.relativeName);\r\n          }\r\n        });\r\n      }\r\n    },\r\n    // 提交\r\n    submitForm(formName) {\r\n      var _this = this;\r\n      var link = url.getCourse(\"Save_Cate\");\r\n      var info = this.form;\r\n      this.$refs.form.validate(valid => {\r\n        if (valid) {\r\n          this.submiting = true;\r\n          //提交后台\r\n          $.post(link, info, res => {\r\n            _this.submiting = false;\r\n            if (res.status) {\r\n              _this.dialogVisible = false;\r\n              _this.getList();\r\n              _this.$message({ type: \"success\", message: res.msg });\r\n            } else {\r\n              _this.$message({ type: \"error\", message: res.msg });\r\n            }\r\n          });\r\n        } else {\r\n          return false;\r\n        }\r\n      });\r\n    }\r\n  }\r\n};\r\n</script>","import mod from \"-!../../../node_modules/cache-loader/dist/cjs.js??ref--12-0!../../../node_modules/thread-loader/dist/cjs.js!../../../node_modules/babel-loader/lib/index.js!../../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./CourseCate.vue?vue&type=script&lang=js&\"; export default mod; export * from \"-!../../../node_modules/cache-loader/dist/cjs.js??ref--12-0!../../../node_modules/thread-loader/dist/cjs.js!../../../node_modules/babel-loader/lib/index.js!../../../node_modules/cache-loader/dist/cjs.js??ref--0-0!../../../node_modules/vue-loader/lib/index.js??vue-loader-options!./CourseCate.vue?vue&type=script&lang=js&\"","import { render, staticRenderFns } from \"./CourseCate.vue?vue&type=template&id=2e77d444&\"\nimport script from \"./CourseCate.vue?vue&type=script&lang=js&\"\nexport * from \"./CourseCate.vue?vue&type=script&lang=js&\"\n\n\n/* normalize component */\nimport normalizer from \"!../../../node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n  script,\n  render,\n  staticRenderFns,\n  false,\n  null,\n  null,\n  null\n  \n)\n\nexport default component.exports","var isObject = require('../internals/is-object');\nvar isArray = require('../internals/is-array');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar SPECIES = wellKnownSymbol('species');\n\n// `ArraySpeciesCreate` abstract operation\n// https://tc39.es/ecma262/#sec-arrayspeciescreate\nmodule.exports = function (originalArray, length) {\n  var C;\n  if (isArray(originalArray)) {\n    C = originalArray.constructor;\n    // cross-realm fallback\n    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;\n    else if (isObject(C)) {\n      C = C[SPECIES];\n      if (C === null) C = undefined;\n    }\n  } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);\n};\n","'use strict';\nvar toPrimitive = require('../internals/to-primitive');\nvar definePropertyModule = require('../internals/object-define-property');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\n\nmodule.exports = function (object, key, value) {\n  var propertyKey = toPrimitive(key);\n  if (propertyKey in object) definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));\n  else object[propertyKey] = value;\n};\n","'use strict';\nvar $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar isArray = require('../internals/is-array');\nvar isObject = require('../internals/is-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar createProperty = require('../internals/create-property');\nvar arraySpeciesCreate = require('../internals/array-species-create');\nvar arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar V8_VERSION = require('../internals/engine-v8-version');\n\nvar IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');\nvar MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;\nvar MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';\n\n// We can't use this feature detection in V8 since it causes\n// deoptimization and serious performance degradation\n// https://github.com/zloirock/core-js/issues/679\nvar IS_CONCAT_SPREADABLE_SUPPORT = V8_VERSION >= 51 || !fails(function () {\n  var array = [];\n  array[IS_CONCAT_SPREADABLE] = false;\n  return array.concat()[0] !== array;\n});\n\nvar SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');\n\nvar isConcatSpreadable = function (O) {\n  if (!isObject(O)) return false;\n  var spreadable = O[IS_CONCAT_SPREADABLE];\n  return spreadable !== undefined ? !!spreadable : isArray(O);\n};\n\nvar FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;\n\n// `Array.prototype.concat` method\n// https://tc39.es/ecma262/#sec-array.prototype.concat\n// with adding support of @@isConcatSpreadable and @@species\n$({ target: 'Array', proto: true, forced: FORCED }, {\n  concat: function concat(arg) { // eslint-disable-line no-unused-vars\n    var O = toObject(this);\n    var A = arraySpeciesCreate(O, 0);\n    var n = 0;\n    var i, k, length, len, E;\n    for (i = -1, length = arguments.length; i < length; i++) {\n      E = i === -1 ? O : arguments[i];\n      if (isConcatSpreadable(E)) {\n        len = toLength(E.length);\n        if (n + len > MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);\n        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);\n      } else {\n        if (n >= MAX_SAFE_INTEGER) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);\n        createProperty(A, n++, E);\n      }\n    }\n    A.length = n;\n    return A;\n  }\n});\n","var classof = require('../internals/classof-raw');\n\n// `IsArray` abstract operation\n// https://tc39.es/ecma262/#sec-isarray\nmodule.exports = Array.isArray || function isArray(arg) {\n  return classof(arg) == 'Array';\n};\n"],"sourceRoot":""}