Class DSVParser

DSVParser - Core CSV/TSV parser implementation

Features:

RFC 4180 compliant CSV parsing
Streaming support for large files
Multi-line field handling with quote escaping
Automatic delimiter and header detection
Transparent compression support (gzip/zstd)
Excel protection for genomic data
Configurable error recovery strategies

Hierarchy (View Summary)

AbstractParser<DSVRecord, DSVParserOptions>
- DSVParser
  - CSVParser
  - TSVParser

Index

Constructors

Methods

getFormatName parseFile parseString parse

Constructors

constructor

new DSVParser(options?: DSVParserOptions): DSVParser
Parameters
- options: DSVParserOptions = {}
Returns DSVParser
Overrides AbstractParser<DSVRecord, DSVParserOptions>.constructor
- Defined in src/formats/dsv/parser.ts:150

Methods

getFormatName

getFormatName(): string
Get the format name for error messages

Returns string
Overrides AbstractParser.getFormatName
- Defined in src/formats/dsv/parser.ts:196

parseFile

parseFile(path: string): AsyncIterable<DSVRecord>
Parse a DSV file from a path Automatically handles compression based on file extension
Parameters
- path: string
Returns AsyncIterable<DSVRecord>
Overrides AbstractParser.parseFile
- Defined in src/formats/dsv/parser.ts:211

parseString

parseString(data: string): AsyncIterable<DSVRecord>
Parse DSV data from a string
Parameters
- data: string
Returns AsyncIterable<DSVRecord>
Overrides AbstractParser.parseString
- Defined in src/formats/dsv/parser.ts:495

parse

parse(
stream: ReadableStream<Uint8Array<ArrayBufferLike>>,
): AsyncIterable<DSVRecord>
Parse stream with automatic compression detection
Parameters
- stream: ReadableStream<Uint8Array<ArrayBufferLike>>
  Potentially compressed stream
Returns AsyncIterable<DSVRecord>
AsyncIterable of DSV records async parseCompressed(stream: ReadableStream): AsyncIterable { // parse() now handles compression automatically via BufferedStreamReader yield this.parse(stream); }

/** Parse stream input with true streaming (no full buffering)
Overrides AbstractParser.parse
- Defined in src/formats/dsv/parser.ts:554