The command tries first to extract the css classes from the animate.css available in your current project / work folder.
In the case animate.css is not available from the current project folder use the animate.css provided by the command itself as depencie.
Npm package : https://www.npmjs.com/package/animate-css-class-extractor
$ npx animate-css-class-extractor Parse file: .../node_modules/animate.css/source/animate.css Save JSON file: .../2020-12-19_22-34__animate.css__v4.1.1.json ... OK Save JS file: .../2020-12-19_22-34__animate.css__v4.1.1.js ... OK const { extractCssClasses } = require('animate-css-class-extractor') const animations = extractCssClasses() //-> animations { 'Attention seekers': [ 'bounce', 'flash', 'pulse', 'rubberBand', 'shakeX', 'shakeY', 'headShake', 'swing', 'tada', 'wobble', 'jello', 'heartBeat' ], 'Back entrances': [ 'backInDown', 'backInLeft', 'backInRight', 'backInUp' ], 'Back exits': [ 'backOutDown', 'backOutLeft', 'backOutRight', 'backOutUp' ], 'Bouncing entrances': [ 'bounceIn', 'bounceInDown', 'bounceInLeft', 'bounceInRight', 'bounceInUp' ], 'Bouncing exits': [ 'bounceOut', 'bounceOutDown', 'bounceOutLeft', 'bounceOutRight', 'bounceOutUp' ], 'Fading entrances': [ 'fadeIn', 'fadeInDown', 'fadeInDownBig', 'fadeInLeft', 'fadeInLeftBig', 'fadeInRight', 'fadeInRightBig', 'fadeInUp', 'fadeInUpBig', 'fadeInTopLeft', 'fadeInTopRight', 'fadeInBottomLeft', 'fadeInBottomRight' ], 'Fading exits': [ 'fadeOut', 'fadeOutDown', 'fadeOutDownBig', 'fadeOutLeft', 'fadeOutLeftBig', 'fadeOutRight', 'fadeOutRightBig', 'fadeOutUp', 'fadeOutUpBig', 'fadeOutTopLeft', 'fadeOutTopRight', 'fadeOutBottomRight', 'fadeOutBottomLeft' ], Flippers: [ 'flip', 'flipInX', 'flipInY', 'flipOutX', 'flipOutY' ], Lightspeed: [ 'lightSpeedInRight', 'lightSpeedInLeft', 'lightSpeedOutRight', 'lightSpeedOutLeft' ], 'Rotating entrances': [ 'rotateIn', 'rotateInDownLeft', 'rotateInDownRight', 'rotateInUpLeft', 'rotateInUpRight' ], 'Rotating exits': [ 'rotateOut', 'rotateOutDownLeft', 'rotateOutDownRight', 'rotateOutUpLeft', 'rotateOutUpRight' ], Specials: [ 'hinge', 'jackInTheBox', 'rollIn', 'rollOut' ], 'Zooming entrances': [ 'zoomIn', 'zoomInDown', 'zoomInLeft', 'zoomInRight', 'zoomInUp' ], 'Zooming exits': [ 'zoomOut', 'zoomOutDown', 'zoomOutLeft', 'zoomOutRight', 'zoomOutUp' ], 'Sliding entrances': [ 'slideInDown', 'slideInLeft', 'slideInRight', 'slideInUp' ], 'Sliding exits': [ 'slideOutDown', 'slideOutLeft', 'slideOutRight', 'slideOutUp' ] }
Animate.css by Daniel Eden http://daneden.github.io/animate.css