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Node.ts
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Node.ts
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/*
* Tencent is pleased to support the open source community by making TMagicEditor available.
*
* Copyright (C) 2023 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { EventEmitter } from 'events';
import { DataSource } from '@tmagic/data-source';
import type { AppCore, EventConfig, MComponent, MContainer, MNode, MPage, MPageFragment } from '@tmagic/schema';
import { HookCodeType, HookType } from '@tmagic/schema';
import type App from './App';
import type Page from './Page';
import Store from './Store';
interface NodeOptions {
config: MNode;
page?: Page;
parent?: Node;
app: App;
}
class Node extends EventEmitter {
public data!: MNode;
public style!: {
[key: string]: any;
};
public events: EventConfig[] = [];
public instance?: any;
public page?: Page;
public parent?: Node;
public app: App;
public store = new Store();
constructor(options: NodeOptions) {
super();
this.page = options.page;
this.parent = options.parent;
this.app = options.app;
this.setData(options.config);
this.listenLifeSafe();
}
public setData(data: MComponent | MContainer | MPage | MPageFragment) {
this.data = data;
const { events, style } = data;
this.events = events || [];
this.style = style || {};
this.emit('update-data');
}
public destroy() {
this.removeAllListeners();
}
private listenLifeSafe() {
this.once('created', async (instance: any) => {
this.once('destroy', () => {
this.instance = null;
if (typeof this.data.destroy === 'function') {
this.data.destroy(this);
}
this.listenLifeSafe();
});
this.instance = instance;
await this.runHookCode('created');
});
this.once('mounted', async (instance: any) => {
this.instance = instance;
const eventConfigQueue = this.app.eventQueueMap[instance.config.id] || [];
for (let eventConfig = eventConfigQueue.shift(); eventConfig; eventConfig = eventConfigQueue.shift()) {
this.app.compActionHandler(eventConfig.eventConfig, eventConfig.fromCpt, eventConfig.args);
}
await this.runHookCode('mounted');
});
}
private async runHookCode(hook: string) {
if (typeof this.data[hook] === 'function') {
// 兼容旧的数据格式
await this.data[hook](this);
return;
}
const hookData = this.data[hook] as {
/** 钩子类型 */
hookType: HookType;
hookData: {
/** 函数类型 */
codeType?: HookCodeType;
/** 函数id, 代码块为string, 数据源为[数据源id, 方法名称] */
codeId: string | [string, string];
/** 参数配置 */
params: Record<string, any>;
}[];
};
if (hookData?.hookType !== HookType.CODE) return;
for (const item of hookData.hookData) {
const { codeType = HookCodeType.CODE, codeId, params = {} } = item;
let functionContent: ((...args: any[]) => any) | string | undefined;
const functionParams: { app: AppCore; params: Record<string, any>; dataSource?: DataSource } = {
app: this.app,
params,
};
if (codeType === HookCodeType.CODE && typeof codeId === 'string' && this.app.codeDsl?.[codeId]) {
functionContent = this.app.codeDsl[codeId].content;
} else if (codeType === HookCodeType.DATA_SOURCE_METHOD && Array.isArray(codeId) && codeId.length > 1) {
const dataSource = this.app.dataSourceManager?.get(codeId[0]);
functionContent = dataSource?.methods.find((method) => method.name === codeId[1])?.content;
functionParams.dataSource = dataSource;
}
if (functionContent && typeof functionContent === 'function') {
await functionContent(functionParams);
}
}
}
}
export default Node;