![]() Here's the code that I tried with the test data. But when I follow the docs and try and use it I get undefined as my result. Defaults to 0 to don't buffer.I'm pretty new to nodeJS so maybe I'm doing something wrong but I'm trying to use the node module json-2-csv. numberBufferSize Size of the buffer used to parse numbers.Defaults to 0 which means to don't buffer. stringBufferSize Size of the buffer used to parse strings.Options used by the underlying parsing library to process the binary or text stream.īuffering is only relevant if you expect very large strings/numbers in your JSON. See the Duplex stream options for more details. header determines whether or not CSV file will contain a title column.eol overrides the default OS line ending (i.e.defaultValue value to use when missing data.formatters Object where the each key is a Javascript data type and its associated value is a formatters for the given type.A transform is a function that receives a data recod and returns a transformed record. transforms Array of transforms to apply to the data.fields ) Defaults to toplevel JSON attributes.Only effective when using the streaming API and not in object mode. ndjson indicates that the data is in NDJSON format.pipe ( writableStream ) Parameters Options So data can be passed to a writable stream (a file, http request, etc.) parser. promise ( ) // The parse method return the transform stream. Import const parser = new AsyncParser ( opts, transformOpts, asyncOpts ) const csv = await parser. You can install json2csv as a dependency using NPM. Formatters convert JSON data types into CSV-compatible strings. Formatters: Includes the built-in formatters for json2csv (one for each data type, an excel-specific one, etc.).Transforms: Includes the built-in transforms for json2csv (unwind and flatten) allowing the using to transform data before is parsed. ![]()
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