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## @strpc 기존 RPC를 package화 ### @strpc/express express의 middleware + router 결함 ## @sammo 게임 전체 - server, client - gateway_server, gateway_client
2023-09-23 16:29:18 +00:00
parent 734e0cb7bf
commit e59f9a9659
197 changed files with 15458 additions and 3 deletions
@@ -0,0 +1,158 @@
+import { isArray, isEmpty } from "lodash-es";
+import ky from "ky";
+import type { HttpMethod, InvalidResponse, RawArgType, ValidResponse, recoveryMethod } from "@strpc/def";
+
+
+export type globalRecoveryFunction = (method: HttpMethod, path: string, args: RawArgType, recovery: recoveryMethod, result: InvalidResponse) => Promise<{
+    justRetryAPI?: boolean;
+} | void>;
+
+export class APIFailed extends Error {
+	constructor(public readonly reason: string, public readonly detail: unknown, public readonly recovery?: recoveryMethod) {
+		super(reason);
+	}
+}
+
+export async function callClientAPI<ResultType extends ValidResponse>(
+	method: HttpMethod,
+	apiRoot: string,
+	path: string | string[],
+	args: RawArgType,
+	globalRecovery: globalRecoveryFunction | undefined
+): Promise<ResultType>;
+export async function callClientAPI<ResultType extends ValidResponse>(
+	method: HttpMethod,
+	apiRoot: string,
+	path: string | string[],
+	args: RawArgType,
+	globalRecovery: globalRecoveryFunction | undefined,
+	returnError: undefined
+): Promise<ResultType>;
+export async function callClientAPI<ResultType extends ValidResponse>(
+	method: HttpMethod,
+	apiRoot: string,
+	path: string | string[],
+	args: RawArgType,
+	globalRecovery: globalRecoveryFunction | undefined,
+	returnError: false
+): Promise<ResultType>;
+export async function callClientAPI<ResultType extends ValidResponse, ErrorType extends InvalidResponse>(
+	method: HttpMethod,
+	apiRoot: string,
+	path: string | string[],
+	args: RawArgType,
+	globalRecovery: globalRecoveryFunction | undefined,
+	returnError: true
+): Promise<ResultType | ErrorType>;
+export async function callClientAPI<ResultType extends ValidResponse, ErrorType extends InvalidResponse>(
+	method: HttpMethod,
+	apiRoot: string,
+	path: string | string[],
+	args: RawArgType,
+	globalRecovery: globalRecoveryFunction | undefined,
+	returnError?: boolean
+): Promise<ResultType | ErrorType> {
+	if (isArray(path)) {
+		path = [apiRoot, ...path].join("/");
+	}
+	else if (path.startsWith("/")) {
+		path = `${apiRoot}${path}`;
+	}
+	else {
+		path = `${apiRoot}/${path}`;
+	}
+
+	if (args && isEmpty(args)) {
+		args = undefined;
+	}
+
+	try {
+		let trialRemain = 3;
+		let lastErr: ErrorType | undefined = undefined;
+		// eslint-disable-next-line no-constant-condition
+		while(trialRemain > 0){
+			const result = (await (() => {
+				if (method == "get") {
+					//TODO: args가 복합 object일 경우의 처리
+					return ky(path, {
+						searchParams: args === undefined ? undefined : {
+							...(args as Record<string, string | number>),
+						},
+						method,
+						headers: {
+							"content-type": "application/json",
+						},
+						timeout: 30000,
+						retry: 0,
+					});
+				}
+				return ky(path, {
+					method,
+					json: args,
+					headers: {
+						"content-type": "application/json",
+					},
+					timeout: 30000,
+					retry: 0,
+				});
+			})().json()) as ErrorType | ResultType;
+
+			if (!result.result) {
+				lastErr = result;
+				if(result.recovery && globalRecovery){
+					const recoveryResult = await globalRecovery(method, path, args, result.recovery, result);
+					if(recoveryResult !== undefined && recoveryResult.justRetryAPI){
+						trialRemain--;
+						continue;
+					}
+				}
+
+				if (returnError) {
+					return result;
+				}
+				throw new APIFailed(
+					result.reason,
+					result.detail,
+					result.recovery
+				);
+			}
+			return result;
+		}
+
+		if(lastErr === undefined){
+			throw new Error('lastErr is undefined');
+		}
+
+		if (returnError) {
+			return lastErr;
+		}
+		throw lastErr.reason;
+
+	}
+	catch(err) {
+		if(!returnError){
+			throw err;
+		}
+
+		let infoText = ''
+
+		if(err instanceof APIFailed){
+			infoText = err.reason;
+		}
+		else if(err instanceof Error){
+			infoText = err.toString();
+		}
+		else if(typeof err == 'string'){
+			infoText = err;
+		}
+		else{
+			infoText = JSON.stringify(err);
+		}
+
+		return {
+			result: false,
+			reason: `failed to fetch(${path}): ${err}`,
+			detail: err,
+		} as ErrorType;
+	}
+}