API reference › @evolu/common › Schedule › passthrough

Call Signature

function passthrough<A>(): Schedule<A, A>;

Defined in: packages/common/src/Schedule.ts:1007

Creates a schedule that outputs its input, or wraps an existing schedule to output input instead of the original output.

When called with no arguments, creates a schedule that outputs its input directly (the "identity" schedule). When called with a schedule, wraps it to preserve timing behavior but replace output with input.

Example

import { exponential, passthrough } from "@evolu/common";

interface MyError {
  readonly message: string;
}

// Constructor: output equals input
const identity = passthrough<MyError>();

// Combinator: preserve timing, replace output
const withInput = passthrough(exponential("100ms"));

Call Signature

function passthrough<Output, Input>(
  schedule: Schedule<Output, Input>,
): Schedule<Input, Input>;

Defined in: packages/common/src/Schedule.ts:1009

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