Method get

lib/core/AxiosHeaders.js:141–169

(header, parser)

  }

  get(header, parser) {
    header = normalizeHeader(header);

    if (header) {
      const key = utils.findKey(this, header);

      if (key) {
        const value = this[key];

        if (!parser) {
          return value;
        }

        if (parser === true) {
          return parseTokens(value);
        }

        if (utils.isFunction(parser)) {
          return parser.call(this, value, key);
        }

        if (utils.isRegExp(parser)) {
          return parser.exec(value);
        }

        throw new TypeError(class="st">'parser must be boolean|regexp|function');
      }
    }
  }

  has(header, matcher) {
    header = normalizeHeader(header);