mirror of
https://github.com/denoland/deno.git
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ce75e31625
This commit changes "include_js_files!" macro from "deno_core"
in a way that "dir" option doesn't cause specifiers to be rewritten
to include it.
Example:
```
include_js_files! {
dir "js",
"hello.js",
}
```
The above definition required embedders to use:
`import ... from "internal:<ext_name>/js/hello.js"`.
But with this change, the "js" directory in which the files are stored
is an implementation detail, which for embedders results in:
`import ... from "internal:<ext_name>/hello.js"`.
The directory the files are stored in, is an implementation detail and
in some cases might result in a significant size difference for the
snapshot. As an example, in "deno_node" extension, we store the
source code in "polyfills" directory; which resulted in each specifier
to look like "internal:deno_node/polyfills/<module_name>", but with
this change it's "internal:deno_node/<module_name>".
Given that "deno_node" has over 100 files, many of them having
several import specifiers to the same extension, this change removes
10 characters from each import specifier.
207 lines
7.6 KiB
TypeScript
207 lines
7.6 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// Forked from https://github.com/DefinitelyTyped/DefinitelyTyped/blob/d9df51e34526f48bef4e2546a006157b391ad96c/types/node/fs.d.ts
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import {
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BufferEncoding,
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ErrnoException,
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} from "internal:deno_node/_global.d.ts";
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/**
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* Write `buffer` to the file specified by `fd`. If `buffer` is a normal object, it
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* must have an own `toString` function property.
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*
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* `offset` determines the part of the buffer to be written, and `length` is
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* an integer specifying the number of bytes to write.
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*
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* `position` refers to the offset from the beginning of the file where this data
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* should be written. If `typeof position !== 'number'`, the data will be written
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* at the current position. See [`pwrite(2)`](http://man7.org/linux/man-pages/man2/pwrite.2.html).
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*
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* The callback will be given three arguments `(err, bytesWritten, buffer)` where`bytesWritten` specifies how many _bytes_ were written from `buffer`.
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*
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* If this method is invoked as its `util.promisify()` ed version, it returns
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* a promise for an `Object` with `bytesWritten` and `buffer` properties.
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*
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* It is unsafe to use `fs.write()` multiple times on the same file without waiting
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* for the callback. For this scenario, {@link createWriteStream} is
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* recommended.
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*
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* On Linux, positional writes don't work when the file is opened in append mode.
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* The kernel ignores the position argument and always appends the data to
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* the end of the file.
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* @since v0.0.2
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*/
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export function write<TBuffer extends ArrayBufferView>(
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fd: number,
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buffer: TBuffer,
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offset: number | undefined | null,
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length: number | undefined | null,
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position: number | undefined | null,
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callback: (
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err: ErrnoException | null,
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written: number,
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buffer: TBuffer,
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) => void,
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): void;
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/**
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* Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
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* @param fd A file descriptor.
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* @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
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* @param length The number of bytes to write. If not supplied, defaults to `buffer.length - offset`.
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*/
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export function write<TBuffer extends ArrayBufferView>(
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fd: number,
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buffer: TBuffer,
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offset: number | undefined | null,
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length: number | undefined | null,
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callback: (
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err: ErrnoException | null,
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written: number,
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buffer: TBuffer,
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) => void,
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): void;
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/**
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* Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
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* @param fd A file descriptor.
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* @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
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*/
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export function write<TBuffer extends ArrayBufferView>(
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fd: number,
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buffer: TBuffer,
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offset: number | undefined | null,
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callback: (
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err: ErrnoException | null,
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written: number,
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buffer: TBuffer,
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) => void,
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): void;
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/**
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* Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
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* @param fd A file descriptor.
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*/
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export function write<TBuffer extends ArrayBufferView>(
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fd: number,
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buffer: TBuffer,
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callback: (
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err: ErrnoException | null,
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written: number,
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buffer: TBuffer,
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) => void,
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): void;
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/**
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* Asynchronously writes `string` to the file referenced by the supplied file descriptor.
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* @param fd A file descriptor.
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* @param string A string to write.
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* @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
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* @param encoding The expected string encoding.
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*/
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export function write(
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fd: number,
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string: string,
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position: number | undefined | null,
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encoding: BufferEncoding | undefined | null,
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callback: (err: ErrnoException | null, written: number, str: string) => void,
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): void;
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/**
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* Asynchronously writes `string` to the file referenced by the supplied file descriptor.
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* @param fd A file descriptor.
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* @param string A string to write.
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* @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
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*/
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export function write(
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fd: number,
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string: string,
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position: number | undefined | null,
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callback: (err: ErrnoException | null, written: number, str: string) => void,
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): void;
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/**
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* Asynchronously writes `string` to the file referenced by the supplied file descriptor.
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* @param fd A file descriptor.
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* @param string A string to write.
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*/
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export function write(
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fd: number,
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string: string,
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callback: (err: ErrnoException | null, written: number, str: string) => void,
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): void;
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export namespace write {
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/**
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* Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
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* @param fd A file descriptor.
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* @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
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* @param length The number of bytes to write. If not supplied, defaults to `buffer.length - offset`.
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* @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
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*/
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function __promisify__<TBuffer extends ArrayBufferView>(
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fd: number,
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buffer?: TBuffer,
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offset?: number,
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length?: number,
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position?: number | null,
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): Promise<{
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bytesWritten: number;
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buffer: TBuffer;
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}>;
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/**
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* Asynchronously writes `string` to the file referenced by the supplied file descriptor.
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* @param fd A file descriptor.
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* @param string A string to write.
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* @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
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* @param encoding The expected string encoding.
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*/
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function __promisify__(
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fd: number,
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string: string,
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position?: number | null,
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encoding?: BufferEncoding | null,
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): Promise<{
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bytesWritten: number;
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buffer: string;
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}>;
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}
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/**
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* If `buffer` is a plain object, it must have an own (not inherited) `toString`function property.
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*
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* For detailed information, see the documentation of the asynchronous version of
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* this API: {@link write}.
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* @since v0.1.21
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* @return The number of bytes written.
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*/
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export function writeSync(
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fd: number,
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buffer: ArrayBufferView,
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offset?: number | null,
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length?: number | null,
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position?: number | null,
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): number;
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/**
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* Synchronously writes `string` to the file referenced by the supplied file descriptor, returning the number of bytes written.
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* @param fd A file descriptor.
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* @param string A string to write.
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* @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
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* @param encoding The expected string encoding.
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*/
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export function writeSync(
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fd: number,
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string: string,
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position?: number | null,
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encoding?: BufferEncoding | null,
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): number;
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export type ReadPosition = number | bigint;
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/**
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* Read data from the file specified by `fd`.
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*
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* The callback is given the three arguments, `(err, bytesRead, buffer)`.
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*
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* If the file is not modified concurrently, the end-of-file is reached when the
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* number of bytes read is zero.
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*
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* If this method is invoked as its `util.promisify()` ed version, it returns
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* a promise for an `Object` with `bytesRead` and `buffer` properties.
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* @since v0.0.2
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* @param buffer The buffer that the data will be written to.
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* @param offset The position in `buffer` to write the data to.
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* @param length The number of bytes to read.
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* @param position Specifies where to begin reading from in the file. If `position` is `null` or `-1 `, data will be read from the current file position, and the file position will be updated. If
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* `position` is an integer, the file position will be unchanged.
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*/
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