Function fill

deps/undici/undici.js:11540–11564

(headers, object)

    }
    __name(headerValueNormalize, "headerValueNormalize");
    function fill(headers, object) {
      if (Array.isArray(object)) {
        for (let i = 0; i < object.length; ++i) {
          const header = object[i];
          if (header.length !== 2) {
            throw webidl.errors.exception({
              header: "Headers constructor",
              message: `expected name/value pair to be length 2, found ${header.length}.`
            });
          }
          appendHeader(headers, header[0], header[1]);
        }
      } else if (typeof object === "object" && object !== null) {
        const keys = Object.keys(object);
        for (let i = 0; i < keys.length; ++i) {
          appendHeader(headers, keys[i], object[keys[i]]);
        }
      } else {
        throw webidl.errors.conversionFailed({
          prefix: "Headers constructor",
          argument: "Argument 1",
          types: ["sequence<sequence<ByteString>>", "record<ByteString, ByteString>"]
        });
      }
    }
    __name(fill, "fill");
    function appendHeader(headers, name, value) {
      value = headerValueNormalize(value);