core.jsā¢2.27 kB
import { StreamReader, makeWebStreamReader } from './stream/index.js';
import { ReadStreamTokenizer } from './ReadStreamTokenizer.js';
import { BufferTokenizer } from './BufferTokenizer.js';
import { BlobTokenizer } from './BlobTokenizer.js';
export { EndOfStreamError, AbortError } from './stream/index.js';
export { AbstractTokenizer } from './AbstractTokenizer.js';
/**
* Construct ReadStreamTokenizer from given Stream.
* Will set fileSize, if provided given Stream has set the .path property/
* @param stream - Read from Node.js Stream.Readable
* @param options - Tokenizer options
* @returns ReadStreamTokenizer
*/
export function fromStream(stream, options) {
const streamReader = new StreamReader(stream);
const _options = options ?? {};
const chainedClose = _options.onClose;
_options.onClose = async () => {
await streamReader.close();
if (chainedClose) {
return chainedClose();
}
};
return new ReadStreamTokenizer(streamReader, _options);
}
/**
* Construct ReadStreamTokenizer from given ReadableStream (WebStream API).
* Will set fileSize, if provided given Stream has set the .path property/
* @param webStream - Read from Node.js Stream.Readable (must be a byte stream)
* @param options - Tokenizer options
* @returns ReadStreamTokenizer
*/
export function fromWebStream(webStream, options) {
const webStreamReader = makeWebStreamReader(webStream);
const _options = options ?? {};
const chainedClose = _options.onClose;
_options.onClose = async () => {
await webStreamReader.close();
if (chainedClose) {
return chainedClose();
}
};
return new ReadStreamTokenizer(webStreamReader, _options);
}
/**
* Construct ReadStreamTokenizer from given Buffer.
* @param uint8Array - Uint8Array to tokenize
* @param options - Tokenizer options
* @returns BufferTokenizer
*/
export function fromBuffer(uint8Array, options) {
return new BufferTokenizer(uint8Array, options);
}
/**
* Construct ReadStreamTokenizer from given Blob.
* @param blob - Uint8Array to tokenize
* @param options - Tokenizer options
* @returns BufferTokenizer
*/
export function fromBlob(blob, options) {
return new BlobTokenizer(blob, options);
}