@strapi/data-transfer/dist/utils/writable-async-write.d.ts

Data transfer capabilities for Strapi

/// <reference types="node" />
import type { Writable } from 'stream';
/**
 * Async helper for application code that `await`s sequential writes to a `Writable`.
 *
 * 1. Waits until `writable.write` invokes its callback (chunk accepted / `_write` finished).
 * 2. If `write()` returned `false` **and** `writable.writableNeedDrain` is still true after the
 *    callback, waits for `'drain'`.
 *
 * We check both: the return value tells us backpressure was signaled; `writableNeedDrain` avoids
 * awaiting `'drain'` when it already fired before we subscribed (would otherwise hang forever).
 *
 * While waiting for `'drain'`, we also race {@link finished} so destroying the writable (e.g. abort)
 * cannot leave this promise pending forever.
 */
export declare function write(writable: Writable, chunk: unknown): Promise<void>;
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