Type Alias PickCSVHeader<CSVSource, Delimiter, Quotation>

PickCSVHeader: ExtractString<CSVSource> extends `${infer S}`
    ? SplitCSVFields<
        ExtractCSVHeader<S, Delimiter, Quotation>,
        Delimiter,
        Quotation,
    >
    : ReadonlyArray<string>

Generates a delimiter-separated tuple of CSV headers from a CSVString.

Type Parameters

CSVSource extends CSVString
Delimiter extends string = DEFAULT_DELIMITER
Quotation extends string = DEFAULT_QUOTATION

Example: Default

const csv = `name,age
Alice,42
Bob,69`;

type _ = PickCSVHeader<typeof csv>
// ["name", "age"]

Example: With different delimiter and quotation

const csv = `name@$a
ge$
$Ali
ce$@42
Bob@69`;

type _ = PickCSVHeader<typeof csv, "@", "$">
// ["name", "a\nge"]