2023-10-18 15:30:08 +00:00

76 lines
1.7 KiB
TypeScript

// eslint-disable-next-line simple-import-sort/imports
import type { DynamicModule, FactoryProvider } from '@nestjs/common';
import { merge } from 'lodash-es';
import type { DeepPartial } from '../utils/types';
import type { AFFiNEConfig } from './def';
import '../prelude';
type ConstructorOf<T> = {
new (): T;
};
function ApplyType<T>(): ConstructorOf<T> {
// @ts-expect-error used to fake the type of config
return class Inner implements T {
constructor() {}
};
}
/**
* usage:
* ```
* import { Config } from '@affine/server'
*
* class TestConfig {
* constructor(private readonly config: Config) {}
* test() {
* return this.config.env
* }
* }
* ```
*/
export class Config extends ApplyType<AFFiNEConfig>() {}
function createConfigProvider(
override?: DeepPartial<Config>
): FactoryProvider<Config> {
return {
provide: Config,
useFactory: () => {
const wrapper = new Config();
const config = merge({}, globalThis.AFFiNE, override);
const proxy: Config = new Proxy(wrapper, {
get: (_target, property: keyof Config) => {
const desc = Object.getOwnPropertyDescriptor(
globalThis.AFFiNE,
property
);
if (desc?.get) {
return desc.get.call(proxy);
}
return config[property];
},
});
return proxy;
},
};
}
export class ConfigModule {
static forRoot = (override?: DeepPartial<Config>): DynamicModule => {
const provider = createConfigProvider(override);
return {
global: true,
module: ConfigModule,
providers: [provider],
exports: [provider],
};
};
}
export type { AFFiNEConfig } from './def';