@nestjs/graphql/dist/decorators/param.utils.js

Nest - modern, fast, powerful node.js web framework (@graphql)

import { isNil, isString } from '@nestjs/common/utils/shared.utils.js';
import 'reflect-metadata';
import { PARAM_ARGS_METADATA } from '../graphql.constants.js';
function assignMetadata(args, paramtype, index, data, ...pipes) {
    return {
        ...args,
        [`${paramtype}:${index}`]: {
            index,
            data,
            pipes,
        },
    };
}
export const createGqlParamDecorator = (paramtype) => {
    return (data) => (target, key, index) => {
        const args = Reflect.getMetadata(PARAM_ARGS_METADATA, target.constructor, key) || {};
        Reflect.defineMetadata(PARAM_ARGS_METADATA, assignMetadata(args, paramtype, index, data), target.constructor, key);
    };
};
export const addPipesMetadata = (paramtype, data, pipes, target, key, index) => {
    const args = Reflect.getMetadata(PARAM_ARGS_METADATA, target.constructor, key) || {};
    const hasParamData = isNil(data) || isString(data);
    const paramData = hasParamData ? data : undefined;
    const paramPipes = hasParamData ? pipes : [data, ...pipes];
    Reflect.defineMetadata(PARAM_ARGS_METADATA, assignMetadata(args, paramtype, index, paramData, ...paramPipes), target.constructor, key);
};
export const createGqlPipesParamDecorator = (paramtype) => (data, ...pipes) => (target, key, index) => {
    addPipesMetadata(paramtype, data, pipes, target, key, index);
};