Function isNumber

src/parseTools.mjs:435–438

(x)

}

export function isNumber(x) {
  // XXX this does not handle 0xabc123 etc. We should likely also do x == parseInt(x) (which handles that), and remove hack |// handle 0x... as well|
  return x == parseFloat(x) || (typeof x == 'string' && x.match(/^-?\d+$/)) || x == 'NaN';
}

// ensures that a float type has either 5.5 (clearly a float) or +5 (float due to asm coercion)
function asmEnsureFloat(value, type) {