77 lines
2.0 KiB
TypeScript
77 lines
2.0 KiB
TypeScript
import { ExecutionContext } from '@nestjs/common';
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import { OverrideBuildOptions } from 'nestlogged/lib/logged/utils';
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import { LoggedMetadata, nestLoggedMetadata } from 'nestlogged/lib/logged/metadata';
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import { scopedLogger, returns, ReturnsReflectData } from 'nestlogged/lib/reflected';
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import { overrideBuild } from '../override';
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export function LoggedGuard<F extends Array<any>, R>(
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options?: Partial<OverrideBuildOptions>,
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) {
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return (
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_target: any,
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key: string,
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descriptor: TypedPropertyDescriptor<
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(context: ExecutionContext, ...args: F) => R
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>,
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) => {
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const fn = descriptor.value;
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if (!fn || typeof fn !== 'function') {
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console.warn(
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`LoggedGuard decorator applied to non-function property: ${key}`,
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);
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return;
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}
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const logMetadata: LoggedMetadata | undefined = Reflect.getOwnMetadata(
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nestLoggedMetadata,
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_target,
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key,
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);
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if (logMetadata) {
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// already applied, override instead
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logMetadata.updateOption(options);
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return;
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}
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const newMetadata = new LoggedMetadata(options);
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const all = Reflect.getMetadataKeys(fn).map((k) => [
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k,
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Reflect.getMetadata(k, fn),
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]);
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const scopedLoggerInjectableParam: number = Reflect.getOwnMetadata(
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scopedLogger,
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_target,
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key,
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);
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const returnsData: ReturnsReflectData[] | true = Reflect.getOwnMetadata(
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returns,
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fn,
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);
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const overrideFunction = overrideBuild(
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'guard',
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fn,
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_target,
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{
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scopedLoggerInjectableParam,
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loggedParams: [],
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},
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_target.constructor.name,
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returnsData,
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newMetadata,
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);
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_target[key] = overrideFunction;
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descriptor.value = overrideFunction;
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Reflect.defineMetadata(nestLoggedMetadata, newMetadata, _target, key);
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all.forEach(([k, v]) => {
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Reflect.defineMetadata(k, v, _target[key]);
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Reflect.defineMetadata(k, v, descriptor.value);
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});
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};
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}
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