The character used to determine newline sequence. If data is an object with the keys fields and data the fields are the header row. If data is an array of objects the keys of the first object are the header row. If data is an array of arrays this option is ignored. It must not be found in Papa.BAD_DELIMITERS. Multi-character delimiters are supported. The character used to escape quoteChar inside field values. The option escapeFormulae also takes precedence over this. Note that this option is ignored for undefined, null and date-object values. ![]() This function accepts the cell value and column index as parameters. A function that returns a boolean values can be used to determine the quotes value of a cell. If an array of true/false values, specifies which fields should be force-quoted (first boolean is for the first column, second boolean for the second column. If true, forces all fields to be enclosed in quotes. fromFile / fromStream / fromString will not accept callback. Thus in version 2.0.0 I decided to temporarily remove Worker feature and will re-think how to better utilize multiple CPU Cores. Also the inter process communication adds too much overhead which minimize the benefit gained from spawning workers. However, it does not quite work as expected mainly because cooperation of multiple processes' result is very complex. Worker feature makes sense to Command Line where it could utilize multiple CPU cores to speed up processing large csv file. fromString ( m圜SV ) // async /await Worker has been removed ![]() on ( "json", function ( json ) ) // Promise const jsonArray = await csv ( ).
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