var openApiUtils = require('openapi-utils-param-to-schema')
 
var postalCodeParam = {
  "name": "postalCode",
  "in": "query",
  "required": true,
  "type": "string",
  "pattern": "^[1-9][0-9]{3} ?(?!sa|sd|ss)[A-Z]{2}$"
}
 
var schema1 = openApiUtils.paramToSchema(postalCodeParam)
console.log(schema1)
/*
{
  "required": ["postalCode"],
  "properties": {
    "postalCode": {
      "type": "string",
      "pattern": "^[1-9][0-9]{3} ?(?!sa|sd|ss)[A-Z]{2}$"
    }
  }
}
*/