Espruino/libs/js/pixljs/E_showMessage.min.js

(function(h,b){g.clear(1),g.setFont('4x6'),g.setFontAlign(0,0);var a=g.getWidth(),e=g.getHeight();if(b){g.drawString(b,a/2,6);var c=(g.stringWidth(b)+8)/2;g.fillRect(a/2-c,10,a/2+c,10)}var d=h.split('\n'),f=(e+10-d.length*7)/2;d.forEach((b,c)=>g.drawString(b,a/2,f+c*7)),g.flip()})