"use strict";
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const common_vendor = require("../../../../common/vendor.js");
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const uni_modules_uviewPlus_libs_vue = require("../vue.js");
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const uni_modules_uviewPlus_libs_function_index = require("../function/index.js");
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const uni_modules_uviewPlus_libs_function_test = require("../function/test.js");
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const uni_modules_uviewPlus_libs_util_route = require("../util/route.js");
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const mixin = uni_modules_uviewPlus_libs_vue.defineMixin({
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// 定义每个组件都可能需要用到的外部样式以及类名
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props: {
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// 每个组件都有的父组件传递的样式,可以为字符串或者对象形式
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customStyle: {
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type: [Object, String],
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default: () => ({})
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},
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customClass: {
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type: String,
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default: ""
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},
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// 跳转的页面路径
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url: {
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type: String,
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default: ""
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},
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// 页面跳转的类型
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linkType: {
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type: String,
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default: "navigateTo"
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}
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},
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data() {
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return {};
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},
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onLoad() {
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this.$u.getRect = this.$uGetRect;
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},
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created() {
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this.$u.getRect = this.$uGetRect;
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},
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computed: {
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// 在2.x版本中,将会把$u挂载到uni对象下,导致在模板中无法使用uni.$u.xxx形式
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// 所以这里通过computed计算属性将其附加到this.$u上,就可以在模板或者js中使用uni.$u.xxx
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// 只在nvue环境通过此方式引入完整的$u,其他平台会出现性能问题,非nvue则按需引入(主要原因是props过大)
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$u() {
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return uni_modules_uviewPlus_libs_function_index.deepMerge(common_vendor.index.$u, {
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props: void 0,
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http: void 0,
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mixin: void 0
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});
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},
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/**
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* 生成bem规则类名
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* 由于微信小程序,H5,nvue之间绑定class的差异,无法通过:class="[bem()]"的形式进行同用
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* 故采用如下折中做法,最后返回的是数组(一般平台)或字符串(支付宝和字节跳动平台),类似['a', 'b', 'c']或'a b c'的形式
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* @param {String} name 组件名称
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* @param {Array} fixed 一直会存在的类名
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* @param {Array} change 会根据变量值为true或者false而出现或者隐藏的类名
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* @returns {Array|string}
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*/
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bem() {
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return function(name, fixed, change) {
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const prefix = `u-${name}--`;
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const classes = {};
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if (fixed) {
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fixed.map((item) => {
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classes[prefix + this[item]] = true;
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});
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}
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if (change) {
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change.map((item) => {
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this[item] ? classes[prefix + item] = this[item] : delete classes[prefix + item];
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});
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}
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return Object.keys(classes);
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};
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}
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},
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methods: {
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// 跳转某一个页面
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openPage(urlKey = "url") {
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const url = this[urlKey];
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if (url) {
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uni_modules_uviewPlus_libs_util_route.route({ type: this.linkType, url });
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}
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},
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navTo(url = "", linkType = "navigateTo") {
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uni_modules_uviewPlus_libs_util_route.route({ type: this.linkType, url });
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},
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// 查询节点信息
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// 目前此方法在支付宝小程序中无法获取组件跟接点的尺寸,为支付宝的bug(2020-07-21)
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// 解决办法为在组件根部再套一个没有任何作用的view元素
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$uGetRect(selector, all) {
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return new Promise((resolve) => {
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common_vendor.index.createSelectorQuery().in(this)[all ? "selectAll" : "select"](selector).boundingClientRect((rect) => {
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if (all && Array.isArray(rect) && rect.length) {
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resolve(rect);
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}
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if (!all && rect) {
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resolve(rect);
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}
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}).exec();
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});
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},
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getParentData(parentName = "") {
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if (!this.parent)
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this.parent = {};
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this.parent = uni_modules_uviewPlus_libs_function_index.$parent.call(this, parentName);
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if (this.parent.children) {
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this.parent.children.indexOf(this) === -1 && this.parent.children.push(this);
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}
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if (this.parent && this.parentData) {
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Object.keys(this.parentData).map((key) => {
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this.parentData[key] = this.parent[key];
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});
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}
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},
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// 阻止事件冒泡
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preventEvent(e) {
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e && typeof e.stopPropagation === "function" && e.stopPropagation();
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},
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// 空操作
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noop(e) {
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this.preventEvent(e);
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}
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},
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onReachBottom() {
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common_vendor.index.$emit("uOnReachBottom");
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},
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beforeUnmount() {
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if (this.parent && uni_modules_uviewPlus_libs_function_test.test.array(this.parent.children)) {
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const childrenList = this.parent.children;
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childrenList.map((child, index) => {
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if (child === this) {
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childrenList.splice(index, 1);
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}
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});
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}
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}
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});
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exports.mixin = mixin;
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//# sourceMappingURL=../../../../../.sourcemap/mp-weixin/uni_modules/uview-plus/libs/mixin/mixin.js.map
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