old_contents: var importExpr = /^(\s*)(import\s+[^=+*"'\r\n;\/]+|from\s+[^=+"'\r\n;\/]+)(;|\/|$)/gm;
  
  function replace(raw, p1, p2, p3) {
  	if (!/\/\//.test(p1)) {
  		return p1 + 'jsio(\'' + p2 + '\')' + p3;
  	}
  	return raw;
  }
  
  exports = function (path, moduleDef, opts) {
  	moduleDef.src = moduleDef.src.replace(importExpr, replace);
  }
  
new_contents: var importExpr = /^(\s*)(import\s+[^=+*"'\r\n;\/]+|from\s+[^=+"'\r\n;\/ ]+\s+import\s+[^=+"'\r\n;\/]+)(;|\/|$)/gm;
  
  function replace(raw, p1, p2, p3) {
  	if (!/\/\//.test(p1)) {
  		return p1 + 'jsio(\'' + p2 + '\')' + p3;
  	}
  	return raw;
  }
  
  exports = function (path, moduleDef, opts) {
  	moduleDef.src = moduleDef.src.replace(importExpr, replace);
  }
  
subject: Increase specificity of "from ... import ..." regex.