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The File Utils JavaScript library

JavaScript methods for parsing and uploading files.

The fileUtils JavaScript library includes methods to parse CSV, JSON, and XLSX files.

These methods are not available within transformers.

Methods​

JavaScript API methods for interacting with fileUtils. You can write JavaScript almost anywhere in Retool and use methods to manipulate data and property values.

parseCSV​

Parses a CSV file. Returns a Promise that resolves to a list of objects with one key per column.

fileUtils.parseCSV(parseCSVOptions)
Parameters

parseCSVOptions​

object
Properties

The value.

parseJSON​

Parses a JSON file. Returns a Promise that resolves to a list of objects with one key per column.

fileUtils.parseJSON(parseJSONOptions)
Parameters

parseJSONOptions​

object
Properties

The value.

parseXLSX​

Parses an XLSX file. Returns a Promise that resolves to a list of objects with one key per column.

fileUtils.parseXLSX(parseXLSXOptions)
Parameters

parseXLSXOptions​

object
Properties

The value.