System Initiative

import { Debug } from "../debug.ts"; import { failureExecution, Func, FunctionKind, ResultFailure, ResultSuccess, } from "../function.ts"; import { runCode } from "../execution.ts"; import { RequestCtx } from "../request.ts"; const debug = Debug("langJs:joi_validation"); export interface JoiValidationFunc extends Func { value: unknown; validationFormat: string; } export type JoiValidationResultSuccess = ResultSuccess; export type JoiValidationResultFailure = ResultFailure; export type JoiValidationResult = | JoiValidationResultSuccess | JoiValidationResultFailure; export interface JoiExecutionResult { err?: string; } async function execute( { executionId }: RequestCtx, args: JoiValidationFunc, code: string, timeout: number, ): Promise<JoiValidationResult> { try { // NOTE(victor): Joi treats null as a value, so even if .required() // isn't set it fails validations for typed props const parsedArgs = { ...args, value: args.value === null ? undefined : args.value, }; const result = await runCode( code, "main", FunctionKind.Validation, executionId, timeout, parsedArgs, ); if ( result.err && typeof result.err === "object" && "name" in result.err && "message" in result.err ) { return { protocol: "result", status: "failure", executionId, error: { kind: { UserCodeException: result.err.name as string, }, message: result.err.message as string, }, }; } debug({ result }); return { protocol: "result", status: "success", executionId, error: result.err as string, }; } catch (err) { return failureExecution(err as Error, executionId); } } const wrapCode = (_code: string, _handler: string) => ` async function main({ value, validationFormat }) { let definition; try { definition = JSON.parse(validationFormat); } catch (e) { const error = new Error('Invalid JSON format'); error.name = 'JoiValidationJsonParsingError'; throw error; } let schema; try { schema = Joi.build(definition); } catch (e) { const error = new Error(\`validationFormat \${definition} is wrong: \${e}\`); error.name = 'JoiValidationFormatError'; throw error; } const { error } = schema.validate(value); return { err: error ? error.message : undefined }; } export { main }; `; export default { debug, execute, wrapCode, };