66 lines
2.2 KiB
TypeScript
66 lines
2.2 KiB
TypeScript
import 'reflect-metadata';
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import { SELF_DECLARED_DEPS_METADATA } from '@nestjs/common/constants';
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type DependencyMetadata = {
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index: number;
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param: unknown;
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};
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/**
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* 执行 QQBot 插件平台流程。
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* @param token - 协议 token；使用 `forwardRef` 字段生成结果。
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*/
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const unwrapForwardRef = (token: unknown) => {
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if (
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token &&
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typeof token === 'object' &&
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'forwardRef' in token &&
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typeof token.forwardRef === 'function'
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) {
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return token.forwardRef();
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}
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return token;
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};
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/**
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* 解析Constructor Token。
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* @param target - target 输入；读取装饰器 metadata。
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* @param index - index 输入；驱动 `explicitDependencies.find()`、`unwrapForwardRef()` 的 插件平台步骤。
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*/
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const resolveConstructorToken = (target: unknown, index: number) => {
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const explicitDependencies = (Reflect.getMetadata(
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SELF_DECLARED_DEPS_METADATA,
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target,
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) || []) as DependencyMetadata[];
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const explicitToken = explicitDependencies.find(
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(dependency) => dependency.index === index,
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)?.param;
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if (explicitToken) return unwrapForwardRef(explicitToken);
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const designTypes =
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(Reflect.getMetadata('design:paramtypes', target) as unknown[]) || [];
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return unwrapForwardRef(designTypes[index]);
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};
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describe('QQBot plugin platform DI tokens', () => {
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beforeEach(() => {
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jest.resetModules();
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});
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it('keeps the built-in plugin loader injection token stable across require order', async () => {
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const { QqbotBuiltinPluginPackageLoaderService } =
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await import('../../../../src/modules/qqbot/plugin-platform/infrastructure/integration/package/builtin-plugin-package-loader.service');
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const { QqbotPluginRegistryService } =
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await import('../../../../src/modules/qqbot/plugin-platform/application/registry/qqbot-plugin-registry.service');
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const { QqbotPluginPlatformService } =
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await import('../../../../src/modules/qqbot/plugin-platform/application/plugin-platform.service');
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expect(resolveConstructorToken(QqbotPluginRegistryService, 0)).toBe(
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QqbotBuiltinPluginPackageLoaderService,
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);
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expect(resolveConstructorToken(QqbotPluginPlatformService, 14)).toBe(
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QqbotBuiltinPluginPackageLoaderService,
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);
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});
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});
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