babel-plugin-remove-use-strict/index.js

babel-plugin-remove-use-strict

module.exports = function () {
    return {
        visitor: {  
            Directive:{
                exit(path){
                    if(path.node.value.value ==='use strict'){
                        let i = path.parent.directives.indexOf(path.node);
                        path.parent.directives.splice(i,1);
                    }
                }          
            }
        }
    };
};