Question 1

How to set custom minimum and maximum values in sparkly?

Accepted Answer

Use the options object with 'minimum' and 'maximum' properties when calling the sparkly function. For example, sparkly([1,2,3], {minimum: 0, maximum: 5}) scales the data within that range, as detailed in the README.

Question 2

Sparkly vs chart.js for simple charts: which is better?

Accepted Answer

Sparkly is better for terminal or text-based environments due to its lightweight, text-output focus and zero dependencies. Chart.js is more suitable for web applications with graphical charts, interactivity, and extensive customization options.

Question 3

Can sparkly be used in the browser or is it only for Node.js?

Accepted Answer

Sparkly is a JavaScript library that can be used in both Node.js and browser environments, but its output is text-based, so it's best for terminals or text displays where Unicode characters are supported.

Question 4

How to handle missing data when generating sparklines with sparkly?

Accepted Answer

Sparkly automatically handles non-finite numbers by leaving gaps in the sparkline. For instance, if an array contains an empty string or NaN, it's skipped in the output, as shown in the usage examples.

Question 5

What Unicode characters does sparkly use and are they supported everywhere?

Accepted Answer

Sparkly uses Unicode block characters like '▁▂▃▅▂▇' for sparklines. Most modern terminals support these, but compatibility can vary in older systems or limited environments, so testing is advised.

Question 6

Is there a command-line interface for sparkly?

Accepted Answer

Yes, there's a separate package called sparkly-cli that provides a CLI tool for generating sparklines from the command line, as mentioned in the README's related section.

Question 7

How to apply the 'fire' style in sparkly?

Accepted Answer

Pass the style option as 'fire' in the options object. This applies a gradient from yellow to red to the sparkline bars, enhancing visual appeal in terminals, with an example screenshot in the README.

sparkly

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