Language: TypeScript
Label: safe
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Code:
export function lassoPath(lasso) {
  return array(lasso).reduce((svg, [x, y], i) => {
  return svg += i == 0
    ? `M ${x},${y} `
    : i === lasso.length - 1
    ? ' Z'
    : `L ${x},${y} `;
  }, '');
}