To get d path to commands (d-path-parser, opentype.js)

d-opentype.js

//**Trash code included.**
//Include: [d-path-parser](https://github.com/MaxArt2501/d-path-parser)
//Include: [opentype.js](https://github.com/opentypejs/opentype.js)

// path S from AEOLUM
path_d = "M298.0 -352.0L161.0 -352.0C84.0 -352.0 24.0 -414.0 24.0 -491.0C24.0 -564.0 84.0 -625.0 161.0 -625.0L355.0 -625.0L390.0 -589.0L395.0 -589.0L410.0 -601.0L364.0 -650.0L161.0 -650.0C70.0 -650.0 0.0 -578.0 0.0 -491.0C0.0 -397.0 71.0 -327.0 162.0 -327.0L298.0 -327.0C382.0 -327.0 452.0 -262.0 452.0 -178.0C452.0 -94.0 382.0 -25.0 298.0 -25.0L52.0 -25.0L21.0 -62.0L16.0 -62.0L0.0 -49.0L42.0 0.0L298.0 0.0C396.0 0.0 476.0 -80.0 476.0 -178.0C476.0 -276.0 396.0 -352.0 298.0 -352.0";

var commands = parse(path_d);

const aPath = new opentype.Path();

function addGlyphPath(ctx, commands, x, y, s) {

  commands.forEach(function(cmd) {
      switch(cmd.code) {
          case 'M': ctx.moveTo(x + cmd.end.x * s, y + cmd.end.y * s); break;
          case 'Q': ctx.quadraticCurveTo(x + cmd.x1 * s, y + cmd.y1 * s, x + cmd.x * s, y + cmd.y * s); break;
          case 'C': ctx.bezierCurveTo(x + cmd.cp1.x * s, y + cmd.cp1.y * s, x + cmd.cp2.x * s, y + cmd.cp2.y * s, x + cmd.end.x * s, y + cmd.end.y * s); break;
          case 'L': ctx.lineTo(x + cmd.end.x * s, y + cmd.end.y * s); break;
          case 'Z': 
          {
              ctx.closePath();
              fill ? ctx.fill() : ctx.stroke();
              ctx.beginPath();
              break;
          }
      }
  });
}

addGlyphPath(aPath, commands, 0, 0, 1)