This plugin has been bundled with "Style Inventory" for Sketch. https://github.com/getflourish/Sketch-Style-Inventory
getflourish/Sketch-Export-Text-Styles
Export all your Sketch text styles as CSS (proof of concept)
JavaScript
Export all your Sketch text styles as CSS (proof of concept)
JavaScript
This plugin has been bundled with "Style Inventory" for Sketch. https://github.com/getflourish/Sketch-Style-Inventory