feat: add font feature settings support #2740
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Implements #2155.
This PR adds the
fontFeatureSettings
style property (see MDN for the CSS equivalent). It takes a list of feature tags, which appends to the default set, or an object to turn on/off individual features, as supported by fontkit.Why it matters
This allows users to apply any font features supported by a given font, such as tabular numbers, fractions, alternate glyphs, control over ligatures, etc.
Usage
Example
A full example is provided in the
examples
package. Here's how it looks like: