lepu-test-platform-web/node_modules/element-ui/lib/backtop.js

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module.exports =
/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/ __webpack_require__.p = "/dist/";
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/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 108);
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/************************************************************************/
/******/ ({
/***/ 0:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return normalizeComponent; });
/* globals __VUE_SSR_CONTEXT__ */
// IMPORTANT: Do NOT use ES2015 features in this file (except for modules).
// This module is a runtime utility for cleaner component module output and will
// be included in the final webpack user bundle.
function normalizeComponent (
scriptExports,
render,
staticRenderFns,
functionalTemplate,
injectStyles,
scopeId,
moduleIdentifier, /* server only */
shadowMode /* vue-cli only */
) {
// Vue.extend constructor export interop
var options = typeof scriptExports === 'function'
? scriptExports.options
: scriptExports
// render functions
if (render) {
options.render = render
options.staticRenderFns = staticRenderFns
options._compiled = true
}
// functional template
if (functionalTemplate) {
options.functional = true
}
// scopedId
if (scopeId) {
options._scopeId = 'data-v-' + scopeId
}
var hook
if (moduleIdentifier) { // server build
hook = function (context) {
// 2.3 injection
context =
context || // cached call
(this.$vnode && this.$vnode.ssrContext) || // stateful
(this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional
// 2.2 with runInNewContext: true
if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
context = __VUE_SSR_CONTEXT__
}
// inject component styles
if (injectStyles) {
injectStyles.call(this, context)
}
// register component module identifier for async chunk inferrence
if (context && context._registeredComponents) {
context._registeredComponents.add(moduleIdentifier)
}
}
// used by ssr in case component is cached and beforeCreate
// never gets called
options._ssrRegister = hook
} else if (injectStyles) {
hook = shadowMode
? function () { injectStyles.call(this, this.$root.$options.shadowRoot) }
: injectStyles
}
if (hook) {
if (options.functional) {
// for template-only hot-reload because in that case the render fn doesn't
// go through the normalizer
options._injectStyles = hook
// register for functioal component in vue file
var originalRender = options.render
options.render = function renderWithStyleInjection (h, context) {
hook.call(context)
return originalRender(h, context)
}
} else {
// inject component registration as beforeCreate hook
var existing = options.beforeCreate
options.beforeCreate = existing
? [].concat(existing, hook)
: [hook]
}
}
return {
exports: scriptExports,
options: options
}
}
/***/ }),
/***/ 108:
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
// CONCATENATED MODULE: ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./packages/backtop/src/main.vue?vue&type=template&id=257dd4a9&
var render = function() {
var _vm = this
var _h = _vm.$createElement
var _c = _vm._self._c || _h
return _c("transition", { attrs: { name: "el-fade-in" } }, [
_vm.visible
? _c(
"div",
{
staticClass: "el-backtop",
style: {
right: _vm.styleRight,
bottom: _vm.styleBottom
},
on: {
click: function($event) {
$event.stopPropagation()
return _vm.handleClick($event)
}
}
},
[
_vm._t("default", [_c("el-icon", { attrs: { name: "caret-top" } })])
],
2
)
: _vm._e()
])
}
var staticRenderFns = []
render._withStripped = true
// CONCATENATED MODULE: ./packages/backtop/src/main.vue?vue&type=template&id=257dd4a9&
// EXTERNAL MODULE: external "throttle-debounce/throttle"
var throttle_ = __webpack_require__(25);
var throttle_default = /*#__PURE__*/__webpack_require__.n(throttle_);
// CONCATENATED MODULE: ./node_modules/babel-loader/lib!./node_modules/vue-loader/lib??vue-loader-options!./packages/backtop/src/main.vue?vue&type=script&lang=js&
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
var cubic = function cubic(value) {
return Math.pow(value, 3);
};
var easeInOutCubic = function easeInOutCubic(value) {
return value < 0.5 ? cubic(value * 2) / 2 : 1 - cubic((1 - value) * 2) / 2;
};
/* harmony default export */ var mainvue_type_script_lang_js_ = ({
name: 'ElBacktop',
props: {
visibilityHeight: {
type: Number,
default: 200
},
target: [String],
right: {
type: Number,
default: 40
},
bottom: {
type: Number,
default: 40
}
},
data: function data() {
return {
el: null,
container: null,
visible: false
};
},
computed: {
styleBottom: function styleBottom() {
return this.bottom + 'px';
},
styleRight: function styleRight() {
return this.right + 'px';
}
},
mounted: function mounted() {
this.init();
this.throttledScrollHandler = throttle_default()(300, this.onScroll);
this.container.addEventListener('scroll', this.throttledScrollHandler);
},
methods: {
init: function init() {
this.container = document;
this.el = document.documentElement;
if (this.target) {
this.el = document.querySelector(this.target);
if (!this.el) {
throw new Error('target is not existed: ' + this.target);
}
this.container = this.el;
}
},
onScroll: function onScroll() {
var scrollTop = this.el.scrollTop;
this.visible = scrollTop >= this.visibilityHeight;
},
handleClick: function handleClick(e) {
this.scrollToTop();
this.$emit('click', e);
},
scrollToTop: function scrollToTop() {
var el = this.el;
var beginTime = Date.now();
var beginValue = el.scrollTop;
var rAF = window.requestAnimationFrame || function (func) {
return setTimeout(func, 16);
};
var frameFunc = function frameFunc() {
var progress = (Date.now() - beginTime) / 500;
if (progress < 1) {
el.scrollTop = beginValue * (1 - easeInOutCubic(progress));
rAF(frameFunc);
} else {
el.scrollTop = 0;
}
};
rAF(frameFunc);
}
},
beforeDestroy: function beforeDestroy() {
this.container.removeEventListener('scroll', this.throttledScrollHandler);
}
});
// CONCATENATED MODULE: ./packages/backtop/src/main.vue?vue&type=script&lang=js&
/* harmony default export */ var src_mainvue_type_script_lang_js_ = (mainvue_type_script_lang_js_);
// EXTERNAL MODULE: ./node_modules/vue-loader/lib/runtime/componentNormalizer.js
var componentNormalizer = __webpack_require__(0);
// CONCATENATED MODULE: ./packages/backtop/src/main.vue
/* normalize component */
var component = Object(componentNormalizer["a" /* default */])(
src_mainvue_type_script_lang_js_,
render,
staticRenderFns,
false,
null,
null,
null
)
/* hot reload */
if (false) { var api; }
component.options.__file = "packages/backtop/src/main.vue"
/* harmony default export */ var main = (component.exports);
// CONCATENATED MODULE: ./packages/backtop/index.js
/* istanbul ignore next */
main.install = function (Vue) {
Vue.component(main.name, main);
};
/* harmony default export */ var backtop = __webpack_exports__["default"] = (main);
/***/ }),
/***/ 25:
/***/ (function(module, exports) {
module.exports = require("throttle-debounce/throttle");
/***/ })
/******/ });