convex
Version:
Client for the Convex Cloud
106 lines (105 loc) • 3.55 kB
JavaScript
;
import {
convexToJson,
jsonToConvex
} from "../../values/index.js";
import { performAsyncSyscall, performSyscall } from "./syscall.js";
import { QueryInitializerImpl } from "./query_impl.js";
import { validateArg } from "./validate.js";
import { version } from "../../index.js";
import { patchValueToJson } from "../../values/value.js";
export function setupReader() {
const reader = (isSystem = false) => {
return {
get: async (id) => {
validateArg(id, 1, "get", "id");
if (typeof id !== "string") {
throw new Error(
`Invalid argument \`id\` for \`db.get\`, expected string but got '${typeof id}': ${id}`
);
}
const args = {
id: convexToJson(id),
isSystem,
version
};
const syscallJSON = await performAsyncSyscall("1.0/get", args);
return jsonToConvex(syscallJSON);
},
query: (tableName) => {
const accessingSystemTable = tableName.startsWith("_");
if (accessingSystemTable !== isSystem) {
throw new Error(
`${accessingSystemTable ? "System" : "User"} tables can only be accessed from db.${isSystem ? "" : "system."}query().`
);
}
return new QueryInitializerImpl(tableName);
},
normalizeId: (tableName, id) => {
validateArg(tableName, 1, "normalizeId", "tableName");
validateArg(id, 2, "normalizeId", "id");
const accessingSystemTable = tableName.startsWith("_");
if (accessingSystemTable !== isSystem) {
throw new Error(
`${accessingSystemTable ? "System" : "User"} tables can only be accessed from db.${isSystem ? "" : "system."}normalizeId().`
);
}
const syscallJSON = performSyscall("1.0/db/normalizeId", {
table: tableName,
idString: id
});
const syscallResult = jsonToConvex(syscallJSON);
return syscallResult.id;
},
// We set the system reader on the next line
system: null
};
};
const { system: _, ...rest } = reader(true);
const r = reader();
r.system = rest;
return r;
}
export function setupWriter() {
const reader = setupReader();
return {
get: reader.get,
query: reader.query,
normalizeId: reader.normalizeId,
system: reader.system,
insert: async (table, value) => {
if (table.startsWith("_")) {
throw new Error("System tables (prefixed with `_`) are read-only.");
}
validateArg(table, 1, "insert", "table");
validateArg(value, 2, "insert", "value");
const syscallJSON = await performAsyncSyscall("1.0/insert", {
table,
value: convexToJson(value)
});
const syscallResult = jsonToConvex(syscallJSON);
return syscallResult._id;
},
patch: async (id, value) => {
validateArg(id, 1, "patch", "id");
validateArg(value, 2, "patch", "value");
await performAsyncSyscall("1.0/shallowMerge", {
id: convexToJson(id),
value: patchValueToJson(value)
});
},
replace: async (id, value) => {
validateArg(id, 1, "replace", "id");
validateArg(value, 2, "replace", "value");
await performAsyncSyscall("1.0/replace", {
id: convexToJson(id),
value: convexToJson(value)
});
},
delete: async (id) => {
validateArg(id, 1, "delete", "id");
await performAsyncSyscall("1.0/remove", { id: convexToJson(id) });
}
};
}
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