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/// <reference types="node"/>
import * as stream from 'stream';
import {ZlibOptions} from 'zlib';
declare namespace gzipSize {
type Options = ZlibOptions;
interface GzipSizeStream extends stream.PassThrough {
/**
Contains the gzip size of the stream after it is finished. Since this happens asynchronously, it is recommended you use the `gzip-size` event instead.
*/
gzipSize?: number;
addListener(event: 'gzip-size', listener: (size: number) => void): this;
addListener(
event: string | symbol,
listener: (...args: any[]) => void
): this;
on(event: 'gzip-size', listener: (size: number) => void): this;
on(event: string | symbol, listener: (...args: any[]) => void): this;
once(event: 'gzip-size', listener: (size: number) => void): this;
once(event: string | symbol, listener: (...args: any[]) => void): this;
removeListener(event: 'gzip-size', listener: (size: number) => void): this;
removeListener(
event: string | symbol,
listener: (...args: any[]) => void
): this;
off(event: 'gzip-size', listener: (size: number) => void): this;
off(event: string | symbol, listener: (...args: any[]) => void): this;
emit(event: 'gzip-size', size: number): boolean;
emit(event: string | symbol, ...args: any[]): boolean;
prependListener(event: 'gzip-size', listener: (size: number) => void): this;
prependListener(
event: string | symbol,
listener: (...args: any[]) => void
): this;
prependOnceListener(
event: 'gzip-size',
listener: (size: number) => void
): this;
prependOnceListener(
event: string | symbol,
listener: (...args: any[]) => void
): this;
}
}
declare const gzipSize: {
/**
Get the gzipped size of a string or buffer.
@returns The gzipped size of `input`.
*/
(input: string | Buffer, options?: gzipSize.Options): Promise<number>;
/**
Synchronously get the gzipped size of a string or buffer.
@returns The gzipped size of `input`.
@example
```
import gzipSize = require('gzip-size');
const text = 'Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus.';
console.log(text.length);
//=> 191
console.log(gzipSize.sync(text));
//=> 78
```
*/
sync(input: string | Buffer, options?: gzipSize.Options): number;
/**
@returns A stream that emits a `gzip-size` event and has a `gzipSize` property.
*/
stream(options?: gzipSize.Options): gzipSize.GzipSizeStream;
/**
Get the gzipped size of a file.
@returns The size of the file.
*/
file(path: string, options?: gzipSize.Options): Promise<number>;
/**
Synchronously get the gzipped size of a file.
@returns The size of the file.
*/
fileSync(path: string, options?: gzipSize.Options): number;
};
export = gzipSize;
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