@stellar-expert/formatter

Installation

npm i @stellar-expert/formatter

Usage

Stroops representation

fromStroops(valueInStroops) - Convert value in stroops (Int64 amount) to the normal string representation

toStroops(value) - Convert arbitrary stringified amount to Int64 representation

Number formatting

formatWithPrecision(value, precision = 7, separator = ',') - Format a number with specified precision and decimals separator

formatWithAutoPrecision(value, separator = ',') - Format a number using automatically determined precision and decimals separator

formatWithAbbreviation(value, decimals = 2) - Convert a number to a human-readable format using abbreviation

formatWithGrouping(value, group) - Format a number with rounding to specific precision group

formatPrice(value, significantDigits = 4) - Format a number as price with specified significant digits precision

adjustPrecision(amount) - Format amount according to default Stellar precision

approximatePrice(price) - Convert rational price representation to float-point number

isValidInt64Amount(value, denominate = true, nonZero = false) - Check if a provided value can be safely used as token amount in Stellar operations

String truncation

shortenString(value, symbols = 8) - Truncate strings longer than N symbols replacing characters in the middle with ellipsis

stripTrailingZeros(value) - Remove trailing zero symbols from a formatted numeric string

Date formatting

normalizeDate(date, autoUnixFormatDetection = true) - Convert any timestamp representation to a valid date format

toUnixTimestamp(date) - Convert date to a numeric UNIX timestamp representation

formatDateUTC(date) - Convert date to ISO-like human-readable format

Testing

Run jest with --experimental-vm-modules NodeJS flag.