@ray-core/runtime/esm/SyntheticEvent/createCallbackProxy.js

Ray 是一个全新的基于 React 的小程序开发框架

var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
        if (ar || !(i in from)) {
            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
            ar[i] = from[i];
        }
    }
    return to.concat(ar || Array.prototype.slice.call(from));
};
import stopPropagation, { isPropagationStopped } from './stopPropagation';
import { typeOf } from '../utils/typeOf';
import { initGlobalStore } from '../gStore';
function isEventObj(e) {
    if (typeOf(e) !== 'object') {
        return false;
    }
    return ['type', 'timeStamp', 'target', 'currentTarget'].every(function (k) { return !!e[k]; });
}
var events = initGlobalStore('event_stack', function () { return new Map(); });
export function createCallbackProxy(propKey, node, callback) {
    return function handler(nativeEvent) {
        var params = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            params[_i - 1] = arguments[_i];
        }
        if (!isEventObj(nativeEvent)) {
            return callback.apply(void 0, __spreadArray([nativeEvent], __read(params), false));
        }
        var type = nativeEvent.type;
        // 添加阻止冒泡方法
        nativeEvent.stopPropagation = function () { return stopPropagation(node, type); };
        var cached = events.get(type) || { ids: [] };
        // 不停冒泡，不停清除
        clearTimeout(cached.timerID);
        // 冒泡到最后时，清除冒泡标志
        cached.timerID = setTimeout(function () {
            delete isPropagationStopped[type];
            events.delete(type);
        }, 50);
        // 阻止冒泡了
        if (isPropagationStopped[type]) {
            // 阻止冒泡事件发生的那一刻，已经执行的冒泡事件，仍需执行
            if (~cached.ids.indexOf(node.id)) {
                callback.apply(void 0, __spreadArray([nativeEvent], __read(params), false));
            }
            return;
        }
        cached.ids.push(node.id);
        events.set(type, cached);
        callback.apply(void 0, __spreadArray([nativeEvent], __read(params), false));
    };
}