Use bidi-js to handle BiDi.

The following examples are from What HarfBuzz doesn't do and Improving Arabic and Hebrew text in map labels.

const text = new Text({
    x: 50,
    y: 100,
    content: 'ABCג ב אDEF',
    fontSize: 30,
    fill: '#F67676',
});

const text2 = new Text({
    x: 50,
    y: 150,
    content: 'سلام',
    fontSize: 30,
    fill: '#F67676',
});