mirror of
https://github.com/advplyr/audiobookshelf.git
synced 2024-12-24 19:11:44 +01:00
30 lines
786 B
JavaScript
30 lines
786 B
JavaScript
/**
|
|
* node-compress-commons
|
|
*
|
|
* Copyright (c) 2014 Chris Talkington, contributors.
|
|
* Licensed under the MIT license.
|
|
* https://github.com/archiverjs/node-compress-commons/blob/master/LICENSE-MIT
|
|
*/
|
|
var Stream = require('stream').Stream;
|
|
var PassThrough = require('../../archiverUtils/readableStream').PassThrough;
|
|
|
|
var util = module.exports = {};
|
|
|
|
util.isStream = function (source) {
|
|
return source instanceof Stream;
|
|
};
|
|
|
|
util.normalizeInputSource = function (source) {
|
|
if (source === null) {
|
|
return Buffer.alloc(0);
|
|
} else if (typeof source === 'string') {
|
|
return Buffer.from(source);
|
|
} else if (util.isStream(source) && !source._readableState) {
|
|
var normalized = new PassThrough();
|
|
source.pipe(normalized);
|
|
|
|
return normalized;
|
|
}
|
|
|
|
return source;
|
|
}; |