Files
userbase/app/src/modes/hybrid.ts
T

88 lines
3.2 KiB
TypeScript

import type { BkndConfig } from "bknd/adapter";
import { makeModeConfig, type BkndModeConfig } from "./shared";
import { getDefaultConfig, type MaybePromise, type ModuleConfigs, type Merge } from "bknd";
import type { DbModuleManager } from "modules/db/DbModuleManager";
import { invariant, $console } from "bknd/utils";
export type BkndHybridModeOptions = {
/**
* Reader function to read the configuration from the file system.
* This is required for hybrid mode to work.
*/
reader?: (path: string) => MaybePromise<string>;
/**
* Provided secrets to be merged into the configuration
*/
secrets?: Record<string, any>;
};
export type HybridBkndConfig<Args = any> = BkndModeConfig<Args, BkndHybridModeOptions>;
export type HybridMode<AdapterConfig extends BkndConfig> = AdapterConfig extends BkndConfig<
infer Args
>
? BkndModeConfig<Args, Merge<BkndHybridModeOptions & AdapterConfig>>
: never;
export function hybrid<Args>(hybridConfig: HybridBkndConfig<Args>): BkndConfig<Args> {
return {
app: async (args) => {
const {
config: appConfig,
isProd,
plugins,
syncSchemaOptions,
} = await makeModeConfig(hybridConfig, args);
const configFilePath = appConfig.configFilePath ?? "bknd-config.json";
if (appConfig?.options?.mode && appConfig?.options?.mode !== "db") {
$console.warn("You should not set a different mode than `db` when using hybrid mode");
}
invariant(
typeof appConfig.reader === "function",
"You must set the `reader` option when using hybrid mode",
);
let fileConfig: ModuleConfigs;
try {
fileConfig = JSON.parse(await appConfig.reader!(configFilePath)) as ModuleConfigs;
} catch (e) {
const defaultConfig = (appConfig.config ?? getDefaultConfig()) as ModuleConfigs;
await appConfig.writer!(configFilePath, JSON.stringify(defaultConfig, null, 2));
fileConfig = defaultConfig;
}
return {
...(appConfig as any),
beforeBuild: async (app) => {
if (app && !isProd) {
const mm = app.modules as DbModuleManager;
mm.buildSyncConfig = syncSchemaOptions;
}
await appConfig.beforeBuild?.(app);
},
config: fileConfig,
options: {
...appConfig?.options,
mode: isProd ? "code" : "db",
plugins,
manager: {
// skip validation in prod for a speed boost
skipValidation: isProd,
// secrets are required for hybrid mode
secrets: appConfig.secrets,
onModulesBuilt: async (ctx) => {
if (ctx.flags.sync_required && !isProd && syncSchemaOptions.force) {
$console.log("[hybrid] syncing schema");
await ctx.em.schema().sync(syncSchemaOptions);
}
await appConfig?.options?.manager?.onModulesBuilt?.(ctx);
},
...appConfig?.options?.manager,
},
},
};
},
};
}