Files
web/lib/graphql/batchRequest.ts
2024-11-06 15:25:30 +01:00

62 lines
1.6 KiB
TypeScript

import "server-only"
import deepmerge from "deepmerge"
import { request } from "./request"
import type { BatchRequestDocument } from "graphql-request"
import type { Data } from "@/types/request"
function arrayMerge(
target: any[],
source: any[],
options: deepmerge.ArrayMergeOptions | undefined
) {
const destination = target.slice()
source.forEach((item, index) => {
if (typeof destination[index] === "undefined") {
destination[index] = options?.cloneUnlessOtherwiseSpecified(item, options)
} else if (options?.isMergeableObject(item)) {
destination[index] = deepmerge(target[index], item, options)
} else if (target.indexOf(item) === -1) {
destination.push(item)
}
})
return destination
}
export async function batchRequest<T>(
queries: (BatchRequestDocument & { options?: RequestInit })[]
): Promise<Data<T>> {
try {
const response = await Promise.allSettled(
queries.map((query) =>
request<T>(query.document, query.variables, query.options)
)
)
let data = {} as T
const reasons: PromiseRejectedResult["reason"][] = []
response.forEach((res) => {
if (res.status === "fulfilled") {
data = deepmerge(data, res.value.data, { arrayMerge })
} else {
reasons.push(res.reason)
}
})
if (reasons.length) {
reasons.forEach((reason) => {
console.error(`Batch request failed`, reason)
})
}
return { data }
} catch (error) {
console.error("Error in batched graphql request")
console.error(error)
throw new Error("Something went wrong")
}
}