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config.ts
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import { get as lodashGet } from 'lodash';
import { isPlainObject } from '@alilc/lowcode-utils';
import {
IPublicTypeEngineOptions,
IPublicModelEngineConfig,
IPublicModelPreference,
} from '@alilc/lowcode-types';
import { getLogger } from './utils/logger';
import Preference from './utils/preference';
const logger = getLogger({ level: 'log', bizName: 'config' });
// this default behavior will be different later
const STRICT_PLUGIN_MODE_DEFAULT = true;
// used in strict mode, when only options in this VALID_ENGINE_OPTIONS can be accepted
// type and description are only used for developer`s assistance, won`t affect runtime
const VALID_ENGINE_OPTIONS = {
enableCondition: {
type: 'boolean',
description: '是否开启 condition 的能力，默认在设计器中不管 condition 是啥都正常展示',
},
designMode: {
type: 'string',
enum: ['design', 'live'],
default: 'design',
description: '设计模式，live 模式将会实时展示变量值',
},
device: {
type: 'string',
enum: ['default', 'mobile', 'any string value'],
default: 'default',
description: '设备类型',
},
deviceClassName: {
type: 'string',
default: undefined,
description: '指定初始化的 deviceClassName，挂载到画布的顶层节点上',
},
locale: {
type: 'string',
default: 'zh-CN',
description: '语言',
},
renderEnv: {
type: 'string',
enum: ['react', 'any string value'],
default: 'react',
description: '渲染器类型',
},
deviceMapper: {
type: 'object',
description: '设备类型映射器，处理设计器与渲染器中 device 的映射',
},
enableStrictPluginMode: {
type: 'boolean',
default: STRICT_PLUGIN_MODE_DEFAULT,
description: '开启严格插件模式，默认值：STRICT_PLUGIN_MODE_DEFAULT , 严格模式下，插件将无法通过 engineOptions 传递自定义配置项',
},
enableReactiveContainer: {
type: 'boolean',
default: false,
description: '开启拖拽组件时，即将被放入的容器是否有视觉反馈',
},
disableAutoRender: {
type: 'boolean',
default: false,
description: '关闭画布自动渲染，在资产包多重异步加载的场景有效',
},
disableDetecting: {
type: 'boolean',
default: false,
description: '关闭拖拽组件时的虚线响应，性能考虑',
},
customizeIgnoreSelectors: {
type: 'function',
default: undefined,
description: '定制画布中点击被忽略的 selectors, eg. (defaultIgnoreSelectors: string[], e: MouseEvent) => string[]',
},
disableDefaultSettingPanel: {
type: 'boolean',
default: false,
description: '禁止默认的设置面板',
},
disableDefaultSetters: {
type: 'boolean',
default: false,
description: '禁止默认的设置器',
},
enableCanvasLock: {
type: 'boolean',
default: false,
description: '打开画布的锁定操作',
},
enableLockedNodeSetting: {
type: 'boolean',
default: false,
description: '容器锁定后，容器本身是否可以设置属性，仅当画布锁定特性开启时生效',
},
stayOnTheSameSettingTab: {
type: 'boolean',
default: false,
description: '当选中节点切换时，是否停留在相同的设置 tab 上',
},
hideSettingsTabsWhenOnlyOneItem: {
type: 'boolean',
description: '是否在只有一个 item 的时候隐藏设置 tabs',
},
loadingComponent: {
type: 'ComponentType',
default: undefined,
description: '自定义 loading 组件',
},
supportVariableGlobally: {
type: 'boolean',
default: false,
description: '设置所有属性支持变量配置',
},
visionSettings: {
type: 'object',
description: 'Vision-polyfill settings',
},
simulatorUrl: {
type: 'array',
description: '自定义 simulatorUrl 的地址',
},
// 与 react-renderer 的 appHelper 一致，https://lowcode-engine.cn/site/docs/guide/expand/runtime/renderer#apphelper
appHelper: {
type: 'object',
description: '定义 utils 和 constants 等对象',
},
requestHandlersMap: {
type: 'object',
description: '数据源引擎的请求处理器映射',
},
thisRequiredInJSE: {
type: 'boolean',
description: 'JSExpression 是否只支持使用 this 来访问上下文变量',
},
enableStrictNotFoundMode: {
type: 'boolean',
description: '当开启组件未找到严格模式时，渲染模块不会默认给一个容器组件',
},
focusNodeSelector: {
type: 'function',
description: '配置指定节点为根组件',
},
enableAutoOpenFirstWindow: {
type: 'boolean',
description: '应用级设计模式下，自动打开第一个窗口',
default: true,
},
enableWorkspaceMode: {
type: 'boolean',
description: '是否开启应用级设计模式',
default: false,
},
workspaceEmptyComponent: {
type: 'function',
description: '应用级设计模式下，窗口为空时展示的占位组件',
},
enableContextMenu: {
type: 'boolean',
description: '是否开启右键菜单',
default: false,
},
hideComponentAction: {
type: 'boolean',
description: '是否隐藏设计器辅助层',
default: false,
},
};
const getStrictModeValue = (engineOptions: IPublicTypeEngineOptions, defaultValue: boolean): boolean => {
if (!engineOptions || !isPlainObject(engineOptions)) {
return defaultValue;
}
if (engineOptions.enableStrictPluginMode === undefined
|| engineOptions.enableStrictPluginMode === null) {
return defaultValue;
}
return engineOptions.enableStrictPluginMode;
};
export interface IEngineConfig extends IPublicModelEngineConfig {
/**
* if engineOptions.strictPluginMode === true, only accept propertied predefined in EngineOptions.
*
* @param {IPublicTypeEngineOptions} engineOptions
*/
setEngineOptions(engineOptions: IPublicTypeEngineOptions): void;
notifyGot(key: string): void;
setWait(key: string, resolve: (data: any) => void, once?: boolean): void;
delWait(key: string, fn: any): void;
}
export class EngineConfig implements IEngineConfig {
private config: { [key: string]: any } = {};
private waits = new Map<
string,
Array<{
once?: boolean;
resolve: (data: any) => void;
}>
>();
/**
* used to store preferences
*
*/
readonly preference: IPublicModelPreference;
constructor(config?: { [key: string]: any }) {
this.config = config || {};
this.preference = new Preference();
}
/**
* 判断指定 key 是否有值
* @param key
*/
has(key: string): boolean {
return this.config[key] !== undefined;
}
/**
* 获取指定 key 的值
* @param key
* @param defaultValue
*/
get(key: string, defaultValue?: any): any {
return lodashGet(this.config, key, defaultValue);
}
/**
* 设置指定 key 的值
* @param key
* @param value
*/
set(key: string, value: any) {
this.config[key] = value;
this.notifyGot(key);
}
/**
* 批量设值，set 的对象版本
* @param config
*/
setConfig(config: { [key: string]: any }) {
if (config) {
Object.keys(config).forEach((key) => {
this.set(key, config[key]);
});
}
}
/**
* if engineOptions.strictPluginMode === true, only accept propertied predefined in EngineOptions.
*
* @param {IPublicTypeEngineOptions} engineOptions
*/
setEngineOptions(engineOptions: IPublicTypeEngineOptions) {
if (!engineOptions || !isPlainObject(engineOptions)) {
return;
}
const strictMode = getStrictModeValue(engineOptions, STRICT_PLUGIN_MODE_DEFAULT) === true;
if (strictMode) {
const isValidKey = (key: string) => {
const result = (VALID_ENGINE_OPTIONS as any)[key];
return !(result === undefined || result === null);
};
Object.keys(engineOptions).forEach((key) => {
if (isValidKey(key)) {
this.set(key, (engineOptions as any)[key]);
} else {
logger.warn(`failed to config ${key} to engineConfig, only predefined options can be set under strict mode, predefined options: `, VALID_ENGINE_OPTIONS);
}
});
} else {
this.setConfig(engineOptions as any);
}
}
/**
* 获取指定 key 的值，若此时还未赋值，则等待，若已有值，则直接返回值
* 注：此函数返回 Promise 实例，只会执行（fullfill）一次
* @param key
* @returns
*/
onceGot(key: string): Promise<any> {
const val = this.config[key];
if (val !== undefined) {
return Promise.resolve(val);
}
return new Promise((resolve) => {
this.setWait(key, resolve, true);
});
}
/**
* 获取指定 key 的值，函数回调模式，若多次被赋值，回调会被多次调用
* @param key
* @param fn
* @returns
*/
onGot(key: string, fn: (data: any) => void): () => void {
const val = this.config?.[key];
if (val !== undefined) {
fn(val);
}
this.setWait(key, fn);
return () => {
this.delWait(key, fn);
};
}
notifyGot(key: string): void {
let waits = this.waits.get(key);
if (!waits) {
return;
}
waits = waits.slice().reverse();
let i = waits.length;
while (i--) {
waits[i].resolve(this.get(key));
if (waits[i].once) {
waits.splice(i, 1);
}
}
if (waits.length > 0) {
this.waits.set(key, waits);
} else {
this.waits.delete(key);
}
}
setWait(key: string, resolve: (data: any) => void, once?: boolean) {
const waits = this.waits.get(key);
if (waits) {
waits.push({ resolve, once });
} else {
this.waits.set(key, [{ resolve, once }]);
}
}
delWait(key: string, fn: any) {
const waits = this.waits.get(key);
if (!waits) {
return;
}
let i = waits.length;
while (i--) {
if (waits[i].resolve === fn) {
waits.splice(i, 1);
}
}
if (waits.length < 1) {
this.waits.delete(key);
}
}
getPreference(): IPublicModelPreference {
return this.preference;
}
}
export const engineConfig = new EngineConfig();