xgettext-js
xgettext string extractor tool capable of parsing JavaScript files
jsxgettext
Extracts gettext strings from JavaScript, EJS, Pug, Jinja and Handlebars files.
jsxgettext-andris
Extracts gettext strings from JavaScript, EJS, Jade, Jinja and Handlebars files. A fork of https://github.com/zaach/jsxgettext