79 lines
2 KiB
Batchfile
79 lines
2 KiB
Batchfile
@echo off
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SET script_path=%~dp0
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cd %script_path%
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SET OPEN=0
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SET OPTIMIZE=0
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:do_while
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IF (%1) == () GOTO end_while
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IF %1 == -h GOTO print_help
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IF %1 == --help GOTO print_help
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IF %1 == --optimize (
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SET OPTIMIZE=1
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SHIFT
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GOTO do_while
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)
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IF %1 == --open (
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SET OPEN=1
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SHIFT
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GOTO do_while
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)
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echo Unknown command "%1"
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:end_while
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@REM call this first : `./setup_web.bat`
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for %%I in (.) do SET FOLDER_NAME=%%~nxI
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@REM assume crate name is the same as the folder name
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SET CRATE_NAME=%FOLDER_NAME%
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@REM for those who name crates with-kebab-case
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SET CRATE_NAME_SNAKE_CASE=%FOLDER_NAME:-=_%
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@REM This is required to enable the web_sys clipboard API which egui_web uses
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@REM https://rustwasm.github.io/wasm-bindgen/api/web_sys/struct.Clipboard.html
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@REM https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html
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SET RUSTFLAGS=--cfg=web_sys_unstable_apis
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@REM Clear output from old stuff:
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DEL /F docs\%CRATE_NAME_SNAKE_CASE%_bg.wasm
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echo Building rust...
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SET BUILD=release
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cargo build -p %CRATE_NAME% --release --lib --target wasm32-unknown-unknown
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@REM Get the output directory (in the workspace it is in another location)
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FOR /F "delims=" %%i IN ('cargo metadata --format-version=1 ^| jq --raw-output .target_directory') DO SET TARGET=%%i
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echo Generating JS bindings for wasm...
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SET TARGET_NAME=%CRATE_NAME_SNAKE_CASE%.wasm
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wasm-bindgen "%TARGET%\wasm32-unknown-unknown\%BUILD%\%TARGET_NAME%" --out-dir "docs" --no-modules --no-typescript
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IF %OPTIMIZE% == 1 (
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echo Optimizing wasm...
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@REM to get wasm-opt: apt/brew/dnf install binaryen
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@REM add -g to get debug symbols :
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wasm-opt "docs\%CRATE_NAME%_bg.wasm" -O2 --fast-math -o "docs\%CRATE_NAME%_bg.wasm"
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)
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echo Finished: docs/%CRATE_NAME_SNAKE_CASE%.wasm"
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IF %OPEN% == 1 start http://localhost:8080/index.html
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GOTO end_program
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:print_help
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echo build_web.sh [--optimize] [--open]
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echo --optimize: optimize the generated WASM for performance
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echo --open: open the result in a browser
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GOTO end_program
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:end_program
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