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Copy pathrepm-invoker.ts
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223 lines (185 loc) · 4.86 KB
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import type {JSONValue} from './json.js';
import type {ScanOptionsRPC} from './scan-options.js';
import init, {dispatch} from './wasm/release/replicache_client.js';
import type {InitOutput} from './wasm/release/replicache_client.js';
export type InitInput =
| RequestInfo
| URL
| Response
| BufferSource
| WebAssembly.Module;
export type Invoker = {
readonly invoke: REPMInvoke;
};
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): 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): Promise<JSONValue>;
}
let wasmModuleOutput: Promise<InitOutput> | undefined;
export class REPMWasmInvoker {
constructor(wasmModuleOrPath?: InitInput) {
if (!wasmModuleOutput) {
// Hack around Webpack invalid support for import.meta.url and wasm
// loaders. We use the new URL pattern to tell Webpack to use a runtime
// URL and not a compile time file: URL.
if (!wasmModuleOrPath) {
wasmModuleOrPath = new URL(
'./wasm/release/replicache_client_bg.wasm',
import.meta.url,
);
}
wasmModuleOutput = init(wasmModuleOrPath);
}
}
invoke: REPMInvoke = async (
dbName: string,
rpc: string,
args: JSONValue = {},
): Promise<JSONValue> => {
await wasmModuleOutput;
return await dispatch(dbName, rpc, args);
};
}
type GetRequest = TransactionRequest & {
key: string;
};
type GetResponse = {
has?: boolean;
value: string;
};
type HasRequest = TransactionRequest & {
key: string;
};
type HasResponse = {
has: boolean;
};
type TransactionRequest = {
transactionId: number;
};
export type ScanRequest = TransactionRequest & {
opts?: ScanOptionsRPC;
receiver: (
primaryKey: string,
secondaryKey: string | null,
value: Uint8Array,
) => void;
};
export type ScanResponse = unknown;
type PutRequest = TransactionRequest & {
key: string;
value: string;
};
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?: string;
rebaseOpts?: RebaseOpts;
};
type OpenTransactionResponse = {
transactionId: number;
};
type OpenIndexTransactionRequest = unknown;
type OpenIndexTransactionResponse = OpenTransactionResponse;
type CloseTransactionRequest = TransactionRequest;
type CloseTransactionResponse = unknown;
type CommitTransactionRequest = TransactionRequest;
export type CommitTransactionResponse = {
ref: string;
};
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: string;
};
type ReplayMutation = Mutation & {
original: string;
};
type MaybeEndSyncResponse = {
replayMutations?: ReplayMutation[];
};
type SetLogLevelRequest = {level: 'debug' | 'info' | 'error'};
type SetLogLevelResponse = unknown;
export type InvokeMap = {
get: [GetRequest, GetResponse];
has: [HasRequest, HasResponse];
scan: [ScanRequest, ScanResponse];
put: [PutRequest, PutResponse];
del: [DelRequest, DelResponse];
openTransaction: [OpenTransactionRequest, OpenTransactionResponse];
openIndexTransaction: [
OpenIndexTransactionRequest,
OpenIndexTransactionResponse,
];
closeTransaction: [CloseTransactionRequest, CloseTransactionResponse];
commitTransaction: [CommitTransactionRequest, CommitTransactionResponse];
beginSync: [BeginSyncRequest, BeginSyncResponse];
maybeEndSync: [MaybeEndSyncRequest, MaybeEndSyncResponse];
setLogLevel: [SetLogLevelRequest, SetLogLevelResponse];
};
type OpenResponse = '';
type CloseResponse = '';
type GetRootResponse = {
root: string;
};
export type InvokeMapNoArgs = {
open: OpenResponse;
close: CloseResponse;
getRoot: GetRootResponse;
};