@tarojs/taro-h5/dist/api/base/weapp/app-event.js

Taro h5 framework

import Taro from '@tarojs/api';
import isNil from 'lodash-es/isNil';
import queryString from 'query-string';
import { temporarilyNotSupport } from '../../../utils/index.js';
import { CallbackManager } from '../../../utils/handler.js';

const unhandledRejectionCallbackManager = new CallbackManager();
const themeChangeCallbackManager = new CallbackManager();
const pageNotFoundCallbackManager = new CallbackManager();
const errorCallbackManager = new CallbackManager();
const appShowCallbackManager = new CallbackManager();
const appHideCallbackManager = new CallbackManager();
const unhandledRejectionListener = (res) => {
    unhandledRejectionCallbackManager.trigger(res);
};
let themeMatchMedia = null;
const themeChangeListener = (res) => {
    themeChangeCallbackManager.trigger({
        theme: res.matches ? 'dark' : 'light'
    });
};
const pageNotFoundListener = (res) => {
    pageNotFoundCallbackManager.trigger(res);
};
const errorListener = (res) => {
    // @ts-ignore
    errorCallbackManager.trigger(res.stack || res.message || res);
};
const getApp = () => {
    var _a;
    const path = (_a = Taro.Current.page) === null || _a === void 0 ? void 0 : _a.path;
    return {
        /** 小程序切前台的路径 */
        path: (path === null || path === void 0 ? void 0 : path.substring(0, path.indexOf('?'))) || '',
        /** 小程序切前台的 query 参数 */
        query: queryString.parse(location.search),
        /** 来源信息。 */
        referrerInfo: {},
        /** 小程序切前台的[场景值](https://developers.weixin.qq.com/miniprogram/dev/framework/app-service/scene.html) */
        scene: 0,
        /** shareTicket，详见[获取更多转发信息](https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/share.html) */
        shareTicket: ''
    };
};
const appShowListener = () => {
    if (document.visibilityState !== 'hidden') {
        appShowCallbackManager.trigger(getApp());
    }
};
const appHideListener = () => {
    if (document.visibilityState === 'hidden') {
        appHideCallbackManager.trigger(getApp());
    }
};
// 应用级事件
const onUnhandledRejection = callback => {
    unhandledRejectionCallbackManager.add(callback);
    if (unhandledRejectionCallbackManager.count() === 1) {
        window.addEventListener('unhandledrejection', unhandledRejectionListener);
    }
};
const onThemeChange = callback => {
    themeChangeCallbackManager.add(callback);
    if (themeChangeCallbackManager.count() === 1) {
        if (isNil(themeMatchMedia)) {
            themeMatchMedia = window.matchMedia('(prefers-color-scheme: light)');
        }
        themeMatchMedia.addEventListener('change', themeChangeListener);
    }
};
const onPageNotFound = callback => {
    pageNotFoundCallbackManager.add(callback);
    if (pageNotFoundCallbackManager.count() === 1) {
        Taro.eventCenter.on('__taroRouterNotFound', pageNotFoundListener);
    }
};
const onLazyLoadError = /* @__PURE__ */ temporarilyNotSupport('onLazyLoadError');
const onError = callback => {
    errorCallbackManager.add(callback);
    if (errorCallbackManager.count() === 1) {
        window.addEventListener('error', errorListener);
    }
};
const onAudioInterruptionEnd = /* @__PURE__ */ temporarilyNotSupport('onAudioInterruptionEnd');
const onAudioInterruptionBegin = /* @__PURE__ */ temporarilyNotSupport('onAudioInterruptionBegin');
const onAppShow = callback => {
    appShowCallbackManager.add(callback);
    if (appShowCallbackManager.count() === 1) {
        window.addEventListener('visibilitychange', appShowListener);
    }
};
const onAppHide = callback => {
    appHideCallbackManager.add(callback);
    if (appHideCallbackManager.count() === 1) {
        window.addEventListener('visibilitychange', appHideListener);
    }
};
const offUnhandledRejection = callback => {
    unhandledRejectionCallbackManager.remove(callback);
    if (unhandledRejectionCallbackManager.count() === 0) {
        window.removeEventListener('unhandledrejection', unhandledRejectionListener);
    }
};
const offThemeChange = callback => {
    themeChangeCallbackManager.remove(callback);
    if (themeChangeCallbackManager.count() === 0) {
        if (isNil(themeMatchMedia)) {
            themeMatchMedia = window.matchMedia('(prefers-color-scheme: light)');
        }
        themeMatchMedia.removeEventListener('change', themeChangeListener);
        themeMatchMedia = null;
    }
};
const offPageNotFound = callback => {
    pageNotFoundCallbackManager.remove(callback);
    if (pageNotFoundCallbackManager.count() === 0) {
        Taro.eventCenter.off('__taroRouterNotFound', pageNotFoundListener);
    }
};
const offLazyLoadError = /* @__PURE__ */ temporarilyNotSupport('offLazyLoadError');
const offError = callback => {
    errorCallbackManager.remove(callback);
    if (errorCallbackManager.count() === 0) {
        window.removeEventListener('error', errorListener);
    }
};
const offAudioInterruptionEnd = /* @__PURE__ */ temporarilyNotSupport('offAudioInterruptionEnd');
const offAudioInterruptionBegin = /* @__PURE__ */ temporarilyNotSupport('offAudioInterruptionBegin');
const offAppShow = callback => {
    appShowCallbackManager.remove(callback);
    if (appShowCallbackManager.count() === 0) {
        window.removeEventListener('visibilitychange', appShowListener);
    }
};
const offAppHide = callback => {
    appHideCallbackManager.remove(callback);
    if (appHideCallbackManager.count() === 0) {
        window.removeEventListener('visibilitychange', appHideListener);
    }
};

export { offAppHide, offAppShow, offAudioInterruptionBegin, offAudioInterruptionEnd, offError, offLazyLoadError, offPageNotFound, offThemeChange, offUnhandledRejection, onAppHide, onAppShow, onAudioInterruptionBegin, onAudioInterruptionEnd, onError, onLazyLoadError, onPageNotFound, onThemeChange, onUnhandledRejection };
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