Function validate

core/server/server.js:47–57

(value, helpers)

    rules: {
      origin: {
        validate(value, helpers) {
          let origin
          try {
            ;({ origin } = new URL(value))
          } catch (e) {}
          if (origin !== undefined && origin === value) {
            return value
          } else {
            return helpers.error('string.origin')
          }
        },
      },
    },
  }))