node-web-mvc/dist/hmr/src/updater/ObjectUpdater.js

node spring mvc

"use strict";
/**
 * @module ObjectUpdater
 * @description object类型数据更新器
 */
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const AbstractUpdater_1 = __importDefault(require("./AbstractUpdater"));
class ObjectUpdater extends AbstractUpdater_1.default {
    internalUpdate(ctor, newCtor) {
        const creatable = typeof newCtor === 'function';
        const keys = Object.keys(this.data);
        // 替换实例
        keys.forEach((key) => {
            const element = this.data[key];
            if (!creatable || !this.needHotFn(element, ctor)) {
                return;
            }
            else if (!creatable) {
                console.warn(`Hot fail: ${newCtor.name} : No-parameter construction required`);
            }
            this.data[key] = this.createInstance(newCtor, element);
        });
    }
    cleanUpdate(oldCtor) {
        const keys = Object.keys(this.data);
        const removes = [];
        keys.forEach((key) => {
            const element = this.data[key];
            if (this.needHotFn(element, oldCtor)) {
                removes.push(key);
            }
        });
        removes.forEach((key) => {
            delete this.data[key];
        });
    }
}
exports.default = ObjectUpdater;