securityos/node_modules/utf8-buffer/index.d.ts

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2024-09-06 15:32:35 +00:00
// Type definitions for utf8-buffer 1.0.0
// Project: https://github.com/rochars/byte-data
// Definitions by: Rafael da Silva Rocha <https://github.com/rochars>
// Definitions: https://github.com/rochars/utf8-buffer
/**
* Read a string of UTF-8 characters from a byte buffer.
* Invalid characters are replaced with 'REPLACEMENT CHARACTER' (U+FFFD).
* @see https://encoding.spec.whatwg.org/#the-encoding
* @see https://stackoverflow.com/a/34926911
* @param {!Uint8Array|!Array<number>} buffer A byte buffer.
* @param {number=} start The buffer index to start reading.
* @param {?number=} end The buffer index to stop reading.
* Assumes the buffer length if undefined.
* @return {string}
*/
export function unpack(
buffer: Uint8Array|number[],
start: number,
end?: number): string;
/**
* Write a string of UTF-8 characters to a byte buffer.
* @see https://encoding.spec.whatwg.org/#utf-8-encoder
* @param {string} str The string to pack.
* @param {!Uint8Array|!Array<number>} buffer The buffer to pack the string to.
* @param {number=} index The buffer index to start writing.
* @return {number} The next index to write in the buffer.
*/
export function pack(
str: string,
buffer: Uint8Array|number[],
index?: number): number;