50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
import type { ErrorObject } from "ajv";
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import { ErrorCodes, errorShape, formatValidationErrors } from "../protocol/index.js";
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import { formatForLog } from "../ws-log.js";
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import type { RespondFn } from "./types.js";
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type ValidatorFn = ((value: unknown) => boolean) & {
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errors?: ErrorObject[] | null;
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};
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export function respondInvalidParams(params: {
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respond: RespondFn;
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method: string;
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validator: ValidatorFn;
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}) {
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params.respond(
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false,
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undefined,
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errorShape(
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ErrorCodes.INVALID_REQUEST,
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`invalid ${params.method} params: ${formatValidationErrors(params.validator.errors)}`,
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),
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);
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}
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export async function respondUnavailableOnThrow(respond: RespondFn, fn: () => Promise<void>) {
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try {
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await fn();
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} catch (err) {
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respond(false, undefined, errorShape(ErrorCodes.UNAVAILABLE, formatForLog(err)));
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}
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}
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export function uniqueSortedStrings(values: unknown[]) {
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return [...new Set(values.filter((v) => typeof v === "string"))]
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.map((v) => v.trim())
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.filter(Boolean)
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.sort();
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}
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export function safeParseJson(value: string | null | undefined): unknown {
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if (typeof value !== "string") return undefined;
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const trimmed = value.trim();
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if (!trimmed) return undefined;
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try {
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return JSON.parse(trimmed) as unknown;
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} catch {
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return { payloadJSON: value };
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}
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}
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