mirror of
https://github.com/fluencelabs/wasm-bindgen
synced 2025-06-26 03:01:33 +00:00
8254d9f516
Sometimes builds are done once and used in both the browser and in node, so add an option to do runtime detection if necessary
70 lines
1.9 KiB
Rust
70 lines
1.9 KiB
Rust
extern crate wasm_bindgen_cli_support;
|
|
#[macro_use]
|
|
extern crate serde_derive;
|
|
extern crate docopt;
|
|
extern crate wasm_bindgen_shared;
|
|
|
|
use std::path::PathBuf;
|
|
|
|
use docopt::Docopt;
|
|
use wasm_bindgen_cli_support::Bindgen;
|
|
|
|
const USAGE: &'static str = "
|
|
Generating JS bindings for a wasm file
|
|
|
|
Usage:
|
|
wasm-bindgen [options] <input>
|
|
wasm-bindgen -h | --help
|
|
wasm-bindgen -V | --version
|
|
|
|
Options:
|
|
-h --help Show this screen.
|
|
--out-dir DIR Output directory
|
|
--nodejs Generate output for node.js, not the browser
|
|
--nodejs-runtime-detect Detect at runtime whether we're in node or a browser
|
|
--typescript Output a TypeScript definition file
|
|
--debug Include otherwise-extraneous debug checks in output
|
|
-V --version Print the version number of wasm-bindgen
|
|
";
|
|
|
|
#[derive(Debug, Deserialize)]
|
|
struct Args {
|
|
flag_nodejs: bool,
|
|
flag_nodejs_runtime_detect: bool,
|
|
flag_typescript: bool,
|
|
flag_out_dir: Option<PathBuf>,
|
|
flag_debug: bool,
|
|
flag_version: bool,
|
|
arg_input: Option<PathBuf>,
|
|
}
|
|
|
|
fn main() {
|
|
let args: Args = Docopt::new(USAGE)
|
|
.and_then(|d| d.deserialize())
|
|
.unwrap_or_else(|e| e.exit());
|
|
|
|
if args.flag_version {
|
|
println!("wasm-bindgen {}", wasm_bindgen_shared::version());
|
|
return
|
|
}
|
|
|
|
let input = match args.arg_input {
|
|
Some(s) => s,
|
|
None => panic!("input file expected"),
|
|
};
|
|
|
|
let mut b = Bindgen::new();
|
|
b.input_path(&input)
|
|
.nodejs(args.flag_nodejs)
|
|
.nodejs_runtime_detect(args.flag_nodejs_runtime_detect)
|
|
.debug(args.flag_debug)
|
|
.typescript(args.flag_typescript);
|
|
|
|
let out_dir = match args.flag_out_dir {
|
|
Some(ref p) => p,
|
|
None => panic!("the `--out-dir` argument is now required"),
|
|
};
|
|
|
|
b.generate(out_dir).expect("failed to generate bindings");
|
|
}
|