Important files

`libreoffice-core`

The LibreOffice "core" from which LOK is built, forked from upstream with proprietary changes from Macro

desktop/Library_sofficeapp.mk - Makefile for the original LibreOfficeKit (LOK) as a library

desktop/Executable_soffice_bin.mk - Makefile for sofficeapp.js sofficeapp.wasm

desktop/source/app/main_wasm.cxx - Emscripten bindings, most exported WASM classes/functions

desktop/wasm/ - JavaScript/TypeScript for the WASM library, worker, and tiled renderer

desktop/inc/lib/wasm_extensions.hxx desktop/source/lib/wasm_extensions.cxx - extensions to LibreOfficeDocument that are exposed to WASM using ext() in main_wasm.cxx

include/wasm/IWriterExtensions.hxx sw/source/wasm/extensions.cxx - extensions to SwXTextDocument that are exposed to WASM using writer() in main_wasm.cxx

desktop/inc/lib/init.hxx desktop/source/lib/init.cxx - the implementation for the original LOK bindings, don't add new things here or in LibreOfficeKit.hxx/h

libreoffice-core/oox/source/helper/expandedstorage.cxx - ExpandedStorage implementation that allows for loading/saving docx files in memory using their expanded parts
libreoffice-core/comphelper/source/misc/relationshipaccess.cxx - relationship access for file streams in expanded storage
libreoffice-core/comphelper/source/streaming/vecstream.cxx - implementation for vector input/output streams used in expanded storage