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

node spring mvc

"use strict";
/**
 * @module ListUpdater
 * @description 列表更新器
 */
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 ArrayUpdater extends AbstractUpdater_1.default {
    internalUpdate(ctor, newCtor) {
        const creatable = typeof newCtor === 'function';
        const elements = this.data;
        // 替换实例
        elements.forEach((element, index) => {
            if (!creatable || !this.needHotFn(element, ctor)) {
                return;
            }
            else if (!creatable) {
                console.warn(`Hot fail: ${newCtor.name} : No-parameter construction required`);
            }
            elements[index] = this.createInstance(newCtor, element);
        });
    }
    cleanUpdate(oldCtor) {
        const elements = this.data;
        const items = elements.filter((m) => !(this.needHotFn(m, oldCtor)));
        if (items.length !== elements.length) {
            elements.length = 0;
            elements.push(...items);
        }
        ;
    }
}
exports.default = ArrayUpdater;