q-proxyable/dist/utils.js

normal utils by qianzhixiang

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.resetProto = exports.resetProtoType = exports.addHandlersToTarget = exports.getProxyableTarget = exports.getOriginTarget = exports.storeProxyableDataWithTarget = exports.addProxyableFlagToTarget = exports.setProto = exports.getProxyStore = exports.suportProxy = exports.isProxyable = void 0;
var common_1 = require("./common");
function isProxyable(value) {
    if (value && typeof value === 'object') {
        return !!value[common_1.SYMBOL_OF_PROXYABLE];
    }
    return false;
}
exports.isProxyable = isProxyable;
function suportProxy() {
    return !!Proxy;
}
exports.suportProxy = suportProxy;
function getProxyStore(target) {
    if (target) {
        var store = target[common_1.SYMBOL_OF_PROXYABLE];
        return store;
    }
    return null;
}
exports.getProxyStore = getProxyStore;
function setProto(target) {
    var isArray = Array.isArray(target);
    var originProto = target.__proto__;
    var temp = isArray ? [] : {};
    temp.__proto__ = originProto;
    target.__proto__ = temp;
    return temp;
}
exports.setProto = setProto;
function addProxyableFlagToTarget(target, option, isProxy) {
    if (isProxy === void 0) { isProxy = suportProxy(); }
    if (!target || !target.__proto__) {
        return;
    }
    if (target.__proto__.hasOwnProperty[common_1.SYMBOL_OF_PROXYABLE]) {
        return target[common_1.SYMBOL_OF_PROXYABLE];
    }
    var tempProto = setProto(target);
    var handlers = {
        get: [],
        set: [],
        delete: [],
    };
    for (var i in option) {
        handlers[i].push(option[i]);
    }
    tempProto[common_1.SYMBOL_OF_PROXYABLE] = {
        target: target,
        handlers: handlers,
        isProxy: isProxy,
    };
    return tempProto[common_1.SYMBOL_OF_PROXYABLE];
}
exports.addProxyableFlagToTarget = addProxyableFlagToTarget;
function storeProxyableDataWithTarget(target, proxy) {
    if (target) {
        var store = getProxyStore(target);
        if (store) {
            store.proxy = proxy;
        }
    }
}
exports.storeProxyableDataWithTarget = storeProxyableDataWithTarget;
function getOriginTarget(target) {
    if (target) {
        var store = getProxyStore(target);
        if (store) {
            return store.target;
        }
    }
    return null;
}
exports.getOriginTarget = getOriginTarget;
function getProxyableTarget(target) {
    if (target) {
        var store = getProxyStore(target);
        if (store) {
            return store.proxy;
        }
    }
    return null;
}
exports.getProxyableTarget = getProxyableTarget;
function addHandlersToTarget(target, option) {
    if (target) {
        if (option) {
            var store = getProxyStore(target);
            if (store) {
                var handlers = store.handlers;
                for (var i in option) {
                    handlers[i].push(option[i]);
                }
            }
        }
    }
}
exports.addHandlersToTarget = addHandlersToTarget;
function resetProtoType(t, m) {
    if (m === void 0) { m = t; }
    var prototype = t.prototype;
    var Temp = function () { };
    Temp.prototype = prototype;
    try {
        m.prototype = new Temp();
    }
    catch (e) {
        console.log(e);
    }
    return m.prototype;
}
exports.resetProtoType = resetProtoType;
function hasProto(t) {
    return t && t.__proto__;
}
function resetProto(m) {
    if (!hasProto(m)) {
        return;
    }
    var Temp = function () { };
    Temp.prototype = m.__proto__;
    try {
        m.__proto__ = new Temp();
    }
    catch (e) {
        console.log(e);
    }
    return m.__proto__;
}
exports.resetProto = resetProto;