virtualx-engine/platform/javascript/SCsub

#!/usr/bin/env python

Import("env")

javascript_files = [
    "audio_driver_javascript.cpp",
    "http_client_javascript.cpp",
    "javascript_eval.cpp",
    "javascript_main.cpp",
    "os_javascript.cpp",
]

build_targets = ["#bin/godot${PROGSUFFIX}.js", "#bin/godot${PROGSUFFIX}.wasm"]
if env["threads_enabled"]:
    build_targets.append("#bin/godot${PROGSUFFIX}.worker.js")

build = env.add_program(build_targets, javascript_files)

js_libraries = [
    "native/http_request.js",
    "native/library_godot_audio.js",
]
for lib in js_libraries:
    env.Append(LINKFLAGS=["--js-library", env.File(lib).path])
env.Depends(build, js_libraries)

js_pre = [
    "native/id_handler.js",
    "native/utils.js",
]
for js in js_pre:
    env.Append(LINKFLAGS=["--pre-js", env.File(js).path])
env.Depends(build, js_pre)

engine = [
    "engine/preloader.js",
    "engine/utils.js",
    "engine/engine.js",
]
externs = [env.File("#platform/javascript/engine/externs.js")]
js_engine = env.CreateEngineFile("#bin/godot${PROGSUFFIX}.engine.js", engine, externs)
env.Depends(js_engine, externs)

wrap_list = [
    build[0],
    js_engine,
]
js_wrapped = env.Textfile("#bin/godot", [env.File(f) for f in wrap_list], TEXTFILESUFFIX="${PROGSUFFIX}.wrapped.js")

zip_dir = env.Dir("#bin/.javascript_zip")
binary_name = "godot.tools" if env["tools"] else "godot"
out_files = [
    zip_dir.File(binary_name + ".js"),
    zip_dir.File(binary_name + ".wasm"),
    zip_dir.File(binary_name + ".html"),
]
html_file = "#misc/dist/html/editor.html" if env["tools"] else "#misc/dist/html/full-size.html"
in_files = [js_wrapped, build[1], html_file]
if env["threads_enabled"]:
    in_files.append(build[2])
    out_files.append(zip_dir.File(binary_name + ".worker.js"))

zip_files = env.InstallAs(out_files, in_files)
env.Zip(
    "#bin/godot",
    zip_files,
    ZIPROOT=zip_dir,
    ZIPSUFFIX="${PROGSUFFIX}${ZIPSUFFIX}",
    ZIPCOMSTR="Archiving $SOURCES as $TARGET",
)