Files
TheChaseBuzzer/node_modules/music-metadata/lib/common/RandomUint8ArrayReader.js
T
2022-12-22 20:22:22 +11:00

26 lines
990 B
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RandomUint8ArrayReader = void 0;
/**
* Provides abstract Uint8Array access via the IRandomRead interface
*/
class RandomUint8ArrayReader {
constructor(uint8Array) {
this.uint8Array = uint8Array;
this.fileSize = uint8Array.length;
}
/**
* Read from a given position of an abstracted file or buffer.
* @param uint8Array - Uint8Array that the data will be written to.
* @param offset - Offset in the buffer to start writing at.
* @param length - Integer specifying the number of bytes to read.
* @param position - Specifies where to begin reading from in the file.
* @return Promise providing bytes read
*/
async randomRead(uint8Array, offset, length, position) {
uint8Array.set(this.uint8Array.subarray(position, position + length), offset);
return length;
}
}
exports.RandomUint8ArrayReader = RandomUint8ArrayReader;