150 lines
5.0 KiB
JavaScript
150 lines
5.0 KiB
JavaScript
import { assert } from 'oak-domain/lib/utils/assert';
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import { Navigator as CommonNavigator } from './navigator.common';
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export class Navigator extends CommonNavigator {
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history;
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constructor() {
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super();
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this.history = wx;
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}
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getLocation() {
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//初始化的时候
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const pages = getCurrentPages(); //获取加载的页面
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const currentPage = pages[pages.length - 1]; //获取当前页面的对象
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const route = currentPage?.route; //当前页面url
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const options = currentPage?.options; //如果要获取url中所带的参数可以查看options
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const pathname = route ? route
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.replace('/pages', '')
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.replace('pages', '')
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.replace('/index', '') : '';
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let search = '';
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for (const k in options) {
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if (search) {
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search += '&';
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}
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search += `${k}=${typeof options[k] === 'string' ? options[k] : JSON.stringify(options[k])}`;
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}
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const url = pathname.replace(this.namespace, '').replace('//', '/');
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return {
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pathname: pathname,
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state: options,
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key: `${pages.length - 1}`,
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namespace: this.namespace,
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search,
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url: url || '/',
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};
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}
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getState() {
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const { pathname, state } = this.getLocation();
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const state2 = this.constructState(pathname, state);
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return state2;
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}
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getPathname(pathname, namespace) {
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if (!/^\/{1}/.test(pathname)) {
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assert(false, 'url前面必须以/开头');
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}
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// 格式:/house/list 前面加上/pages 后面加上/index
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if (pathname?.indexOf('pages') !== -1 ||
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pathname?.lastIndexOf('index') !== -1) {
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assert(false, 'url两边不需要加上/pages和/index');
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}
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let pathname2 = pathname;
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if (namespace) {
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const pathname3 = this.constructNamespace(pathname, namespace);
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pathname2 = `/pages${pathname3}/index`;
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return pathname2;
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}
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return `/pages${pathname2}/index`;
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}
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getUrlAndProps(options, state, disableNamespace) {
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const { url, ...rest } = options;
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const { pathname } = this.getLocation();
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const state2 = Object.assign({}, rest, state, {
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oakFrom: pathname,
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});
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const url2 = this.constructUrl(url, state2, disableNamespace);
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return {
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url: url2,
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};
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}
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navigateTo(options, state, disableNamespace) {
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if (!this.enter()) {
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return;
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}
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const { url } = this.getUrlAndProps(options, state, disableNamespace);
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return new Promise((resolve, reject) => {
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wx.navigateTo({
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url: url,
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success: () => {
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this.leave();
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this.publish();
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resolve(undefined);
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},
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fail: (err) => reject(err),
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});
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});
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}
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// 关闭当前页面，跳转到应用内的某个页面，但不允许跳转到tabBar页面。
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redirectTo(options, state, disableNamespace) {
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if (!this.enter()) {
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return;
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}
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const { url } = this.getUrlAndProps(options, state, disableNamespace);
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return new Promise((resolve, reject) => {
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wx.redirectTo({
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url: url,
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success: () => {
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this.leave();
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this.publish();
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resolve(undefined);
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},
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fail: (err) => reject(err),
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});
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});
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}
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//跳转到tabBar页面，并关闭其他所有非tabBar页面，用于跳转到主页。
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switchTab(options, state, disableNamespace) {
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if (!this.enter()) {
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return;
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}
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const { url } = this.getUrlAndProps(options, state, disableNamespace);
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return new Promise((resolve, reject) => {
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wx.switchTab({
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url: url,
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success: () => {
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this.leave();
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this.publish();
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resolve(undefined);
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},
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fail: (err) => reject(err),
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});
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});
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}
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navigateBack(delta) {
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if (!this.enter()) {
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return;
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}
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return new Promise((resolve, reject) => {
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wx.navigateBack({
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delta: delta || 1,
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success: () => {
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this.leave();
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this.publish();
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resolve(undefined);
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},
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fail: (err) => reject(err),
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});
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});
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}
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navigateBackOrRedirectTo(options, state, disableNamespace) {
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const pages = getCurrentPages();
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if (pages.length > 1) {
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return this.navigateBack();
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}
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const isTabBar = options?.isTabBar;
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if (isTabBar) {
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return this.switchTab(options, state, disableNamespace);
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}
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return this.redirectTo(options, state, disableNamespace);
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}
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}
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