Is there an option to display in bits instead of bytes?

Yes, there is. The bits option allows you to format the number as bits instead of bytes.

According to the API documentation in the README, the bits option is a boolean with a default value of false. When set to true, it formats the number as bits instead of bytes.

Here's an example from the README:

prettyBytes(1337, {bits: true});
//=> '1.34 kbit'

In the implementation [index.js:L139-L141], the code selects between different unit arrays based on this option:

const UNITS = options.bits
	? (options.binary ? BIBIT_UNITS : BIT_UNITS)
	: (options.binary ? BIBYTE_UNITS : BYTE_UNITS);

The BIT_UNITS array [index.js:L26-L34] contains units like 'b', 'kbit', 'Mbit', etc., while BIBIT_UNITS [index.js:L36-L44] contains binary bit units like 'b', 'kibit', 'Mibit', and so on.

FOLLOW_UPS:

• What's the difference between binary and non-binary formatting?
• How does the signed option work with bits?
• Can I customize the units used in formatting?