• name {string}

    Performs the low-level validations on the provided name that are done when res.setHeader(name, value) is called.

    Passing illegal value as name will result in a [TypeError][] being thrown, identified by code: 'ERR_INVALID_HTTP_TOKEN'.

    It is not necessary to use this method before passing headers to an HTTP request or response. The HTTP module will automatically validate such headers. Examples:

    Example:

    1. const { validateHeaderName } = require('http');
    3. try {
    4.   validateHeaderName('');
    5. } catch (err) {
    6.   err instanceof TypeError; // --> true
    7.   err.code; // --> 'ERR_INVALID_HTTP_TOKEN'
    8.   err.message; // --> 'Header name must be a valid HTTP token [""]'
    9. }