virtualx-engine/platform/javascript/SCsub

#!/usr/bin/env python

Import('env')

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

env_javascript = env.Clone()
if env['target'] == "profile":
    env_javascript.Append(CPPFLAGS=['-DPROFILER_ENABLED'])

javascript_objects = []
for x in javascript_files:
    javascript_objects.append(env_javascript.Object(x))

env.Append(LINKFLAGS=["-s", "EXPORTED_FUNCTIONS=\"['_main','_main_after_fs_sync','_send_notification']\""])

target_dir = env.Dir("#bin")
build = env.add_program(['#bin/godot', target_dir.File('godot' + env['PROGSUFFIX'] + '.wasm')], javascript_objects, PROGSUFFIX=env['PROGSUFFIX'] + '.js');

js_libraries = []
js_libraries.append(env.File('http_request.js'))
for lib in js_libraries:
    env.Append(LINKFLAGS=['--js-library', lib.path])
env.Depends(build, js_libraries)

prejs = env.File('pre.js')
postjs = env.File('engine.js')
env.Append(LINKFLAGS=['--pre-js', prejs.path])
env.Append(LINKFLAGS=['--post-js', postjs.path])
env.Depends(build, [prejs, postjs])

zip_dir = target_dir.Dir('.javascript_zip')
zip_files = env.InstallAs([zip_dir.File('godot.js'), zip_dir.File('godot.wasm'), zip_dir.File('godot.html')], build + ['#misc/dist/html/default.html'])
Zip('#bin/godot', zip_files, ZIPSUFFIX=env['PROGSUFFIX'] + env['ZIPSUFFIX'], ZIPROOT=zip_dir, ZIPCOMSTR="Archving $SOURCES as $TARGET")