import Vue from 'vue'; const _toString = Object.prototype.toString; const hasOwnProperty = Object.prototype.hasOwnProperty; function isFn (fn) { return typeof fn === 'function' } function isStr (str) { return typeof str === 'string' } function isPlainObject (obj) { return _toString.call(obj) === '[object Object]' } function hasOwn (obj, key) { return hasOwnProperty.call(obj, key) } function noop () {} /** * Create a cached version of a pure function. */ function cached (fn) { const cache = Object.create(null); return function cachedFn (str) { const hit = cache[str]; return hit || (cache[str] = fn(str)) } } /** * Camelize a hyphen-delimited string. */ const camelizeRE = /-(\w)/g; const camelize = cached((str) => { return str.replace(camelizeRE, (_, c) => c ? c.toUpperCase() : '') }); const SYNC_API_RE = /requireNativePlugin|upx2px|hideKeyboard|canIUse|^create|Sync$|Manager$/; const CONTEXT_API_RE = /^create|Manager$/; const TASK_APIS = ['request', 'downloadFile', 'uploadFile', 'connectSocket']; const CALLBACK_API_RE = /^on/; function isContextApi (name) { return CONTEXT_API_RE.test(name) } function isSyncApi (name) { return SYNC_API_RE.test(name) } function isCallbackApi (name) { return CALLBACK_API_RE.test(name) } function isTaskApi (name) { return TASK_APIS.indexOf(name) !== -1 } function handlePromise (promise) { return promise.then(data => { return [null, data] }) .catch(err => [err]) } function shouldPromise (name) { if ( isContextApi(name) || isSyncApi(name) || isCallbackApi(name) || isTaskApi(name) ) { return false } return true } function promisify (name, api) { if (!shouldPromise(name)) { return api } return function promiseApi (options = {}, ...params) { if (isFn(options.success) || isFn(options.fail) || isFn(options.complete)) { return api(options, ...params) } return handlePromise(new Promise((resolve, reject) => { api(Object.assign({}, options, { success: resolve, fail: reject }), ...params); /* eslint-disable no-extend-native */ Promise.prototype.finally = function (callback) { const promise = this.constructor; return this.then( value => promise.resolve(callback()).then(() => value), reason => promise.resolve(callback()).then(() => { throw reason }) ) }; })) } } const EPS = 1e-4; const BASE_DEVICE_WIDTH = 750; let isIOS = false; let deviceWidth = 0; let deviceDPR = 0; function checkDeviceWidth () { const { platform, pixelRatio, windowWidth } = wx.getSystemInfoSync(); // uni=>wx runtime 编译目标是 uni 对象,内部不允许直接使用 uni deviceWidth = windowWidth; deviceDPR = pixelRatio; isIOS = platform === 'ios'; } function upx2px (number, newDeviceWidth) { if (deviceWidth === 0) { checkDeviceWidth(); } number = Number(number); if (number === 0) { return 0 } let result = (number / BASE_DEVICE_WIDTH) * (newDeviceWidth || deviceWidth); if (result < 0) { result = -result; } result = Math.floor(result + EPS); if (result === 0) { if (deviceDPR === 1 || !isIOS) { return 1 } else { return 0.5 } } return number < 0 ? -result : result } var protocols = {}; const CALLBACKS = ['success', 'fail', 'cancel', 'complete']; function processCallback (methodName, method, returnValue) { return function (res) { return method(processReturnValue(methodName, res, returnValue)) } } function processArgs (methodName, fromArgs, argsOption = {}, returnValue = {}, keepFromArgs = false) { if (isPlainObject(fromArgs)) { // 一般 api 的参数解析 const toArgs = keepFromArgs === true ? fromArgs : {}; // returnValue 为 false 时,说明是格式化返回值,直接在返回值对象上修改赋值 if (isFn(argsOption)) { argsOption = argsOption(fromArgs, toArgs) || {}; } for (let key in fromArgs) { if (hasOwn(argsOption, key)) { let keyOption = argsOption[key]; if (isFn(keyOption)) { keyOption = keyOption(fromArgs[key], fromArgs, toArgs); } if (!keyOption) { // 不支持的参数 console.warn(`微信小程序 ${methodName}暂不支持${key}`); } else if (isStr(keyOption)) { // 重写参数 key toArgs[keyOption] = fromArgs[key]; } else if (isPlainObject(keyOption)) { // {name:newName,value:value}可重新指定参数 key:value toArgs[keyOption.name ? keyOption.name : key] = keyOption.value; } } else if (CALLBACKS.includes(key)) { toArgs[key] = processCallback(methodName, fromArgs[key], returnValue); } else { if (!keepFromArgs) { toArgs[key] = fromArgs[key]; } } } return toArgs } else if (isFn(fromArgs)) { fromArgs = processCallback(methodName, fromArgs, returnValue); } return fromArgs } function processReturnValue (methodName, res, returnValue, keepReturnValue = false) { if (isFn(protocols.returnValue)) { // 处理通用 returnValue res = protocols.returnValue(methodName, res); } return processArgs(methodName, res, returnValue, {}, keepReturnValue) } function wrapper (methodName, method) { if (hasOwn(protocols, methodName)) { const protocol = protocols[methodName]; if (!protocol) { // 暂不支持的 api return function () { console.error(`微信小程序 暂不支持${methodName}`); } } return function (arg1, arg2) { // 目前 api 最多两个参数 let options = protocol; if (isFn(protocol)) { options = protocol(arg1); } arg1 = processArgs(methodName, arg1, options.args, options.returnValue); const returnValue = wx[options.name || methodName](arg1, arg2); if (isSyncApi(methodName)) { // 同步 api return processReturnValue(methodName, returnValue, options.returnValue, isContextApi(methodName)) } return returnValue } } return method } const todoApis = Object.create(null); const TODOS = [ 'subscribePush', 'unsubscribePush', 'onPush', 'offPush', 'share' ]; function createTodoApi (name) { return function todoApi ({ fail, complete }) { const res = { errMsg: `${name}:fail:暂不支持 ${name} 方法` }; isFn(fail) && fail(res); isFn(complete) && complete(res); } } TODOS.forEach(function (name) { todoApis[name] = createTodoApi(name); }); var providers = { oauth: ['weixin'], share: ['weixin'], payment: ['wxpay'], push: ['weixin'] }; function getProvider ({ service, success, fail, complete }) { let res = false; if (providers[service]) { res = { errMsg: 'getProvider:ok', service, provider: providers[service] }; isFn(success) && success(res); } else { res = { errMsg: 'getProvider:fail:服务[' + service + ']不存在' }; isFn(fail) && fail(res); } isFn(complete) && complete(res); } var extraApi = /*#__PURE__*/Object.freeze({ getProvider: getProvider }); var api = /*#__PURE__*/Object.freeze({ }); const WXPage = Page; const WXComponent = Component; const customizeRE = /:/g; const customize = cached((str) => { return camelize(str.replace(customizeRE, '-')) }); function initTriggerEvent (mpInstance) { if (wx.canIUse('nextTick')) { // 微信旧版本基础库不支持重写triggerEvent const oldTriggerEvent = mpInstance.triggerEvent; mpInstance.triggerEvent = function (event, ...args) { return oldTriggerEvent.apply(mpInstance, [customize(event), ...args]) }; } } Page = function (options = {}) { const name = 'onLoad'; const oldHook = options[name]; if (!oldHook) { options[name] = function () { initTriggerEvent(this); }; } else { options[name] = function (...args) { initTriggerEvent(this); return oldHook.apply(this, args) }; } return WXPage(options) }; const behavior = Behavior({ created () { initTriggerEvent(this); } }); Component = function (options = {}) { (options.behaviors || (options.behaviors = [])).unshift(behavior); return WXComponent(options) }; const MOCKS = ['__route__', '__wxExparserNodeId__', '__wxWebviewId__']; function initMocks (vm) { const mpInstance = vm.$mp[vm.mpType]; MOCKS.forEach(mock => { if (hasOwn(mpInstance, mock)) { vm[mock] = mpInstance[mock]; } }); } function initHooks (mpOptions, hooks) { hooks.forEach(hook => { mpOptions[hook] = function (args) { return this.$vm.__call_hook(hook, args) }; }); } function getData (vueOptions, context) { let data = vueOptions.data || {}; const methods = vueOptions.methods || {}; if (typeof data === 'function') { try { data = data.call(context); // 支持 Vue.prototype 上挂的数据 } catch (e) { if (process.env.VUE_APP_DEBUG) { console.warn('根据 Vue 的 data 函数初始化小程序 data 失败,请尽量确保 data 函数中不访问 vm 对象,否则可能影响首次数据渲染速度。', data); } } } else { try { // 对 data 格式化 data = JSON.parse(JSON.stringify(data)); } catch (e) {} } Object.keys(methods).forEach(methodName => { if (context.__lifecycle_hooks__.indexOf(methodName) === -1 && !hasOwn(data, methodName)) { data[methodName] = methods[methodName]; } }); return data } const PROP_TYPES = [String, Number, Boolean, Object, Array, null]; function createObserver (name) { return function observer (newVal, oldVal) { if (this.$vm) { this.$vm[name] = newVal; // 为了触发其他非 render watcher } } } function getProperties (props) { const properties = { vueSlots: { // 小程序不能直接定义 $slots 的 props,所以通过 vueSlots 转换到 $slots type: null, value: [], observer: function (newVal, oldVal) { const $slots = Object.create(null); newVal.forEach(slotName => { $slots[slotName] = true; }); this.setData({ $slots }); } } }; if (Array.isArray(props)) { // ['title'] props.forEach(key => { properties[key] = { type: null, observer: createObserver(key) }; }); } else if (isPlainObject(props)) { // {title:{type:String,default:''},content:String} Object.keys(props).forEach(key => { const opts = props[key]; if (isPlainObject(opts)) { // title:{type:String,default:''} let value = opts['default']; if (isFn(value)) { value = value(); } properties[key] = { type: PROP_TYPES.includes(opts.type) ? opts.type : null, value, observer: createObserver(key) }; } else { // content:String properties[key] = { type: PROP_TYPES.includes(opts) ? opts : null, observer: createObserver(key) }; } }); } return properties } function wrapper$1 (event) { event.stopPropagation = noop; event.preventDefault = noop; event.target = event.target || {}; if (!hasOwn(event, 'detail')) { event.detail = {}; } // TODO 又得兼容 mpvue 的 mp 对象 event.mp = event; if (isPlainObject(event.detail)) { event.target = Object.assign({}, event.target, event.detail); } return event } function getExtraValue (vm, dataPathsArray) { let context = vm; dataPathsArray.forEach(dataPathArray => { const dataPath = dataPathArray[0]; const value = dataPathArray[2]; if (dataPath || typeof value !== 'undefined') { // ['','',index,'disable'] const propPath = dataPathArray[1]; const valuePath = dataPathArray[3]; const vFor = dataPath ? vm.__get_value(dataPath, context) : context; if (Number.isInteger(vFor)) { context = value; } else if (!propPath) { context = vFor[value]; } else { if (Array.isArray(vFor)) { context = vFor.find(vForItem => { return vm.__get_value(propPath, vForItem) === value }); } else if (isPlainObject(vFor)) { context = Object.keys(vFor).find(vForKey => { return vm.__get_value(propPath, vFor[vForKey]) === value }); } else { console.error('v-for 暂不支持循环数据:', vFor); } } if (valuePath) { context = vm.__get_value(valuePath, context); } } }); return context } function processEventExtra (vm, extra) { const extraObj = {}; if (Array.isArray(extra) && extra.length) { /** *[ * ['data.items', 'data.id', item.data.id], * ['metas', 'id', meta.id] *], *[ * ['data.items', 'data.id', item.data.id], * ['metas', 'id', meta.id] *], *'test' */ extra.forEach((dataPath, index) => { if (typeof dataPath === 'string') { if (!dataPath) { // model,prop.sync extraObj['$' + index] = vm; } else { extraObj['$' + index] = vm.__get_value(dataPath); } } else { extraObj['$' + index] = getExtraValue(vm, dataPath); } }); } return extraObj } function processEventArgs (vm, event, args = [], extra = [], isCustom, methodName) { let isCustomMPEvent = false; // wxcomponent 组件,传递原始 event 对象 if (isCustom) { // 自定义事件 isCustomMPEvent = event.currentTarget && event.currentTarget.dataset && event.currentTarget.dataset.comType === 'wx'; if (!args.length) { // 无参数,直接传入 event 或 detail 数组 if (isCustomMPEvent) { return [event] } return event.detail } } const extraObj = processEventExtra(vm, extra); const ret = []; args.forEach(arg => { if (arg === '$event') { if (methodName === '__set_model' && !isCustom) { // input v-model value ret.push(event.target.value); } else { if (isCustom && !isCustomMPEvent) { ret.push(event.detail[0]); } else { // wxcomponent 组件或内置组件 ret.push(event); } } } else { if (typeof arg === 'string' && hasOwn(extraObj, arg)) { ret.push(extraObj[arg]); } else { ret.push(arg); } } }); return ret } const ONCE = '~'; const CUSTOM = '^'; function handleEvent (event) { event = wrapper$1(event); // [['tap',[['handle',[1,2,a]],['handle1',[1,2,a]]]]] const eventOpts = (event.currentTarget || event.target).dataset.eventOpts; if (!eventOpts) { return console.warn(`事件信息不存在`) } // [['handle',[1,2,a]],['handle1',[1,2,a]]] const eventType = event.type; eventOpts.forEach(eventOpt => { let type = eventOpt[0]; const eventsArray = eventOpt[1]; const isCustom = type.charAt(0) === CUSTOM; type = isCustom ? type.slice(1) : type; const isOnce = type.charAt(0) === ONCE; type = isOnce ? type.slice(1) : type; if (eventsArray && eventType === type) { eventsArray.forEach(eventArray => { const methodName = eventArray[0]; if (methodName) { const handler = this.$vm[methodName]; if (!isFn(handler)) { throw new Error(` _vm.${methodName} is not a function`) } if (isOnce) { if (handler.once) { return } handler.once = true; } handler.apply(this.$vm, processEventArgs( this.$vm, event, eventArray[1], eventArray[2], isCustom, methodName )); } }); } }); } function initRefs (vm) { const mpInstance = vm.$mp[vm.mpType]; Object.defineProperty(vm, '$refs', { get () { const $refs = Object.create(null); const components = mpInstance.selectAllComponents('.vue-ref'); components.forEach(component => { const ref = component.dataset.ref; $refs[ref] = component.$vm; }); const forComponents = mpInstance.selectAllComponents('.vue-ref-in-for'); forComponents.forEach(component => { const ref = component.dataset.ref; if (!$refs[ref]) { $refs[ref] = []; } $refs[ref].push(component.$vm); }); return $refs } }); } const hooks = [ 'onShow', 'onHide', 'onError', 'onPageNotFound', 'onUniNViewMessage' ]; function createApp (vm) { // 外部初始化时 Vue 还未初始化,放到 createApp 内部初始化 mixin Vue.mixin({ beforeCreate () { if (!this.$options.mpType) { return } this.mpType = this.$options.mpType; this.$mp = { data: {}, [this.mpType]: this.$options.mpInstance }; delete this.$options.mpType; delete this.$options.mpInstance; if (this.mpType !== 'app') { initRefs(this); initMocks(this); } }, created () { // 处理 injections this.__init_injections(this); this.__init_provide(this); } }); const appOptions = { onLaunch (args) { { if (!wx.canIUse('nextTick')) { // 事实 上2.2.3 即可,简单使用 2.3.0 的 nextTick 判断 console.error('当前微信基础库版本过低,请将 微信开发者工具-详情-项目设置-调试基础库版本 更换为`2.3.0`以上'); } } this.$vm = vm; this.$vm._isMounted = true; this.$vm.__call_hook('mounted'); this.$vm.__call_hook('onLaunch', args); } }; if (vm.$options.globalData) { // 兼容旧版本 globalData appOptions.globalData = vm.$options.globalData; } initHooks(appOptions, hooks); // 延迟执行,因为 App 的注册在 main.js 之前,可能导致生命周期内 Vue 原型上开发者注册的属性无法访问 App(appOptions); return vm } function triggerLink (mpInstance, vueOptions) { mpInstance.triggerEvent('__l', mpInstance.$vm || vueOptions, { bubbles: true, composed: true }); } function handleLink (event) { if (event.detail.$mp) { // vm if (!event.detail.$parent) { event.detail.$parent = this.$vm; event.detail.$parent.$children.push(event.detail); event.detail.$root = this.$vm.$root; } } else { // vueOptions if (!event.detail.parent) { event.detail.parent = this.$vm; } } } const hooks$1 = [ 'onShow', 'onHide', 'onPullDownRefresh', 'onReachBottom', 'onShareAppMessage', 'onPageScroll', 'onResize', 'onTabItemTap', 'onBackPress', 'onNavigationBarButtonTap', 'onNavigationBarSearchInputChanged', 'onNavigationBarSearchInputConfirmed', 'onNavigationBarSearchInputClicked' ]; function createPage (vueOptions) { vueOptions = vueOptions.default || vueOptions; let VueComponent; if (isFn(vueOptions)) { VueComponent = vueOptions; vueOptions = VueComponent.extendOptions; } else { VueComponent = Vue.extend(vueOptions); } const pageOptions = { options: { multipleSlots: true, addGlobalClass: true }, data: getData(vueOptions, Vue.prototype), lifetimes: { // 当页面作为组件时 attached () { this.$vm = new VueComponent({ mpType: 'page', mpInstance: this }); this.$vm.__call_hook('created'); this.$vm.$mount(); }, ready () { this.$vm.__call_hook('beforeMount'); this.$vm._isMounted = true; this.$vm.__call_hook('mounted'); this.$vm.__call_hook('onReady'); }, detached () { this.$vm.$destroy(); } }, methods: { // 作为页面时 onLoad (args) { this.$vm.$mp.query = args; // 又要兼容 mpvue this.$vm.__call_hook('onLoad', args); // 开发者可能会在 onLoad 时赋值,提前到 mount 之前 }, onUnload () { this.$vm.__call_hook('onUnload'); }, __e: handleEvent, __l: handleLink } }; initHooks(pageOptions.methods, hooks$1); return Component(pageOptions) } function initVueComponent (mpInstace, VueComponent, extraOptions = {}) { if (mpInstace.$vm) { return } const options = Object.assign({ mpType: 'component', mpInstance: mpInstace, propsData: mpInstace.properties }, extraOptions); // 初始化 vue 实例 mpInstace.$vm = new VueComponent(options); // 处理$slots,$scopedSlots(暂不支持动态变化$slots) const vueSlots = mpInstace.properties.vueSlots; if (Array.isArray(vueSlots) && vueSlots.length) { const $slots = Object.create(null); vueSlots.forEach(slotName => { $slots[slotName] = true; }); mpInstace.$vm.$scopedSlots = mpInstace.$vm.$slots = $slots; } // 性能优先,mount 提前到 attached 中,保证组件首次渲染数据被合并 // 导致与标准 Vue 的差异,data 和 computed 中不能使用$parent,provide等组件属性 mpInstace.$vm.$mount(); } function createComponent (vueOptions) { vueOptions = vueOptions.default || vueOptions; const properties = getProperties(vueOptions.props); const VueComponent = Vue.extend(vueOptions); const componentOptions = { options: { multipleSlots: true, addGlobalClass: true }, data: getData(vueOptions, Vue.prototype), properties, lifetimes: { attached () { initVueComponent(this, VueComponent); }, ready () { initVueComponent(this, VueComponent); // 目前发现部分情况小程序 attached 不触发 triggerLink(this); // 处理 parent,children // 补充生命周期 this.$vm.__call_hook('created'); this.$vm.__call_hook('beforeMount'); this.$vm._isMounted = true; this.$vm.__call_hook('mounted'); this.$vm.__call_hook('onReady'); }, detached () { this.$vm.$destroy(); } }, pageLifetimes: { show (args) { this.$vm.__call_hook('onPageShow', args); }, hide () { this.$vm && this.$vm.__call_hook('onPageHide'); }, resize (size) { this.$vm && this.$vm.__call_hook('onPageResize', size); } }, methods: { __e: handleEvent, __l: handleLink } }; return Component(componentOptions) } let uni = {}; if (typeof Proxy !== 'undefined') { uni = new Proxy({}, { get (target, name) { if (name === 'upx2px') { return upx2px } if (api[name]) { return promisify(name, api[name]) } { if (extraApi[name]) { return promisify(name, extraApi[name]) } if (todoApis[name]) { return promisify(name, todoApis[name]) } } if (!hasOwn(wx, name) && !hasOwn(protocols, name)) { return } return promisify(name, wrapper(name, wx[name])) } }); } else { uni.upx2px = upx2px; { Object.keys(todoApis).forEach(name => { uni[name] = promisify(name, todoApis[name]); }); Object.keys(extraApi).forEach(name => { uni[name] = promisify(name, todoApis[name]); }); } Object.keys(api).forEach(name => { uni[name] = promisify(name, api[name]); }); Object.keys(wx).forEach(name => { if (hasOwn(wx, name) || hasOwn(protocols, name)) { uni[name] = promisify(name, wrapper(name, wx[name])); } }); } var uni$1 = uni; export default uni$1; export { createApp, createPage, createComponent };