lib/qx/tool/cli/commands/Contrib.js
async function(library_name) {
      return (await this.getContribData()).libraries.find(lib => lib.library_name === library_name);
    }
async function(library_name) {
      return (await this.getContribData()).libraries.find(lib => lib.library_name === library_name);
    }
Returns the data of the given library, if installed.
Returns false if not installed.
@param {String} library_name
@return {Object|false}