diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d584386..80568fe2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -114,7 +114,6 @@ target_include_directories(${CLP_FFI_JS_BIN_NAME} PRIVATE src/)
 
 set(CLP_FFI_JS_SRC_MAIN
     src/clp_ffi_js/ir/decoding_methods.cpp
-    src/clp_ffi_js/ir/IrStreamReader.cpp
     src/clp_ffi_js/ir/StreamReader.cpp
 )
 
diff --git a/src/clp_ffi_js/ir/IrStreamReader.cpp b/src/clp_ffi_js/ir/IrStreamReader.cpp
index 8ec58c2e..3140eac0 100644
--- a/src/clp_ffi_js/ir/IrStreamReader.cpp
+++ b/src/clp_ffi_js/ir/IrStreamReader.cpp
@@ -212,11 +212,11 @@ IrStreamReader::IrStreamReader(
           )},
           m_ts_pattern{m_stream_reader_data_context->get_deserializer().get_timestamp_pattern()} {}
 
-auto IrStreamReader::create_deserializer_and_data_context(
+auto IrStreamReader::create_data_context(
         std::unique_ptr<clp::streaming_compression::zstd::Decompressor>&& zstd_decompressor,
         clp::Array<char>&& data_buffer
 ) -> StreamReaderDataContext<four_byte_encoded_variable_t> {
-    rewind_reader_and_verify_encoding_type(*zstd_decompressor);
+    rewind_reader_and_validate_encoding_type(*zstd_decompressor);
 
     auto result{
             clp::ir::LogEventDeserializer<four_byte_encoded_variable_t>::create(*zstd_decompressor)
diff --git a/src/clp_ffi_js/ir/StreamReader.cpp b/src/clp_ffi_js/ir/StreamReader.cpp
index 176af4d3..d2280a34 100644
--- a/src/clp_ffi_js/ir/StreamReader.cpp
+++ b/src/clp_ffi_js/ir/StreamReader.cpp
@@ -34,7 +34,7 @@ auto StreamReader::create(DataArrayTsType const& data_array) -> std::unique_ptr<
 
     auto const version{get_version(*zstd_decompressor)};
     if (version == "v0.0.0") {
-        auto stream_reader_data_context{IrStreamReader::create_deserializer_and_data_context(
+        auto stream_reader_data_context{IrStreamReader::create_data_context(
                 std::move(zstd_decompressor),
                 std::move(data_buffer)
         )};
diff --git a/src/clp_ffi_js/ir/StreamReader.hpp b/src/clp_ffi_js/ir/StreamReader.hpp
index ad9cbaa0..c74c9032 100644
--- a/src/clp_ffi_js/ir/StreamReader.hpp
+++ b/src/clp_ffi_js/ir/StreamReader.hpp
@@ -1,12 +1,15 @@
 #ifndef CLP_FFI_JS_IR_STREAM_READER_HPP
 #define CLP_FFI_JS_IR_STREAM_READER_HPP
 
+#include <Array.hpp>
 #include <cstddef>
 #include <memory>
 
 #include <emscripten/val.h>
 
 namespace clp_ffi_js::ir {
+using clp::ir::four_byte_encoded_variable_t;
+
 EMSCRIPTEN_DECLARE_VAL_TYPE(DataArrayTsType);
 EMSCRIPTEN_DECLARE_VAL_TYPE(DecodedResultsTsType);
 EMSCRIPTEN_DECLARE_VAL_TYPE(FilteredLogEventMapTsType);
@@ -39,6 +42,7 @@ class StreamReader {
     // Delete move assignment operator since it's also disabled in `clp::ir::LogEventDeserializer`.
     auto operator=(StreamReader&&) -> StreamReader& = delete;
 
+    // Methods
     /**
      * @return The number of events buffered.
      */
diff --git a/src/clp_ffi_js/ir/decoding_methods.cpp b/src/clp_ffi_js/ir/decoding_methods.cpp
index 81063f6a..3c420ecb 100644
--- a/src/clp_ffi_js/ir/decoding_methods.cpp
+++ b/src/clp_ffi_js/ir/decoding_methods.cpp
@@ -19,7 +19,7 @@
 namespace clp_ffi_js::ir {
 auto get_version(clp::ReaderInterface& reader) -> std::string {
     // The encoding type bytes must be consumed before the metadata can be read.
-    rewind_reader_and_verify_encoding_type(reader);
+    rewind_reader_and_validate_encoding_type(reader);
 
     // Deserialize metadata bytes from preamble.
     clp::ffi::ir_stream::encoded_tag_t metadata_type{};
@@ -54,7 +54,7 @@ auto get_version(clp::ReaderInterface& reader) -> std::string {
     return version;
 }
 
-auto rewind_reader_and_verify_encoding_type(clp::ReaderInterface& reader) -> void {
+auto rewind_reader_and_validate_encoding_type(clp::ReaderInterface& reader) -> void {
     reader.seek_from_begin(0);
 
     bool is_four_bytes_encoding{true};
diff --git a/src/clp_ffi_js/ir/decoding_methods.hpp b/src/clp_ffi_js/ir/decoding_methods.hpp
index 6791fd21..ec3e529b 100644
--- a/src/clp_ffi_js/ir/decoding_methods.hpp
+++ b/src/clp_ffi_js/ir/decoding_methods.hpp
@@ -7,7 +7,13 @@
 
 namespace clp_ffi_js::ir {
 auto get_version(clp::ReaderInterface& reader) -> std::string;
-auto rewind_reader_and_verify_encoding_type(clp::ReaderInterface& reader) -> void;
+/**
+ * Rewinds the reader to the beginning and validates the CLP IR data encoding type.
+ * @param reader
+ * @throws ClpFfiJsException if the encoding type couldn't be decoded or the encoding type is
+ * unsupported.
+ */
+auto rewind_reader_and_validate_encoding_type(clp::ReaderInterface& reader) -> void;
 }  // namespace clp_ffi_js::ir
 
 #endif  // CLP_FFI_JS_IR_DECODING_METHODS_HPP