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205 lines (174 loc) · 4.35 KB
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import type {JSONValue, ToJSON} from './json.js';
import type {ScanItem} from './scan-item.js';
import type {ScanOptions} from './scan-options.js';
import type {DatabaseInfo} from './database-info.js';
export interface Invoke {
<Rpc extends keyof InvokeMapNoArgs>(rpc: Rpc): Promise<InvokeMapNoArgs[Rpc]>;
<Rpc extends keyof InvokeMap>(rpc: Rpc, args: InvokeMap[Rpc][0]): Promise<
InvokeMap[Rpc][1]
>;
(rpc: string, args?: JSONValue | ToJSON): Promise<JSONValue>;
}
export interface REPMInvoke {
<Rpc extends keyof InvokeMapNoArgs>(dbName: string, rpc: Rpc): Promise<
InvokeMapNoArgs[Rpc]
>;
<Rpc extends keyof InvokeMap>(
dbName: string,
rpc: Rpc,
args: InvokeMap[Rpc][0],
): Promise<InvokeMap[Rpc][1]>;
(dbName: string, rpc: string, args?: JSONValue | ToJSON): Promise<JSONValue>;
}
export class REPMHTTPInvoker {
private readonly _url: string;
constructor(url: string) {
this._url = url;
}
invoke: REPMInvoke = async (
dbName: string,
rpc: string,
args: JSONValue | ToJSON = {},
): Promise<JSONValue> => {
const resp = await fetch(`${this._url}/?dbname=${dbName}&rpc=${rpc}`, {
method: 'POST',
body: JSON.stringify(args),
});
if (resp.status === 200) {
if (resp.headers.get('content-length') === '0') {
return '';
}
return await resp.json();
}
throw new Error(
`Test server failed: ${resp.status} ${
resp.statusText
}: ${await resp.text()}`,
);
};
}
type GetRequest = TransactionRequest & {
key: string;
};
type GetResponse = {
has?: boolean;
value: JSONValue;
};
type HasRequest = TransactionRequest & {
key: string;
};
type HasResponse = {
has: boolean;
};
type TransactionRequest = {
transactionId: number;
};
export type ScanRequest = TransactionRequest &
ScanOptions & {
limit?: number;
};
export type ScanResponse = ScanItem[];
type PutRequest = TransactionRequest & {
key: string;
value: JSONValue | ToJSON;
};
type PutResponse = unknown;
type DelRequest = TransactionRequest & {key: string};
type DelResponse = {ok: boolean};
type RebaseOpts =
| Record<string, unknown>
| {
basis: string;
original: string;
};
export type OpenTransactionRequest = {
name?: string;
args?: JSONValue | ToJSON;
rebaseOpts?: RebaseOpts;
};
type OpenTransactionResponse = {
transactionId: number;
};
type CloseTransactionRequest = TransactionRequest;
type CloseTransactionResponse = unknown;
type CommitTransactionRequest = TransactionRequest;
export type CommitTransactionResponse =
| {
retryCommit: false;
ref: string;
}
| {
retryCommit: true;
};
type BeginSyncRequest = {
batchPushURL: string;
dataLayerAuth: string;
diffServerURL: string;
diffServerAuth: string;
};
type MutationInfo = {
id: number;
error: string;
};
type BatchPushResponse = {
mutationInfos?: MutationInfo[];
};
type BatchPushInfo = {
httpStatusCode: number;
errorMessage: string;
batchPushResponse: BatchPushResponse;
};
type ClientViewInfo = {
httpStatusCode: number;
errorMessage: string;
};
type SyncInfo = {
syncID: string;
batchPushInfo?: BatchPushInfo;
clientViewInfo: ClientViewInfo;
};
export type BeginSyncResponse = {
syncHead: string;
syncInfo: SyncInfo;
};
type MaybeEndSyncRequest = {
syncID?: string;
syncHead?: string;
};
type Mutation = {
id: number;
name: string;
args: JSONValue;
};
type ReplayMutation = Mutation & {
original: string;
};
type MaybeEndSyncResponse = {
replayMutations?: ReplayMutation[];
};
export type InvokeMap = {
get: [GetRequest, GetResponse];
has: [HasRequest, HasResponse];
scan: [ScanRequest, ScanResponse];
put: [PutRequest, PutResponse];
del: [DelRequest, DelResponse];
openTransaction: [OpenTransactionRequest, OpenTransactionResponse];
closeTransaction: [CloseTransactionRequest, CloseTransactionResponse];
commitTransaction: [CommitTransactionRequest, CommitTransactionResponse];
beginSync: [BeginSyncRequest, BeginSyncResponse];
maybeEndSync: [MaybeEndSyncRequest, MaybeEndSyncResponse];
};
type OpenResponse = '';
type CloseResponse = '';
type ListRespones = {databases: DatabaseInfo[]};
type DropResponse = '';
type GetRootResponse = {
root: string;
};
export type InvokeMapNoArgs = {
open: OpenResponse;
close: CloseResponse;
list: ListRespones;
drop: DropResponse;
getRoot: GetRootResponse;
};