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Expose typescript option in wasm2es6js

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This commit is contained in:
Alex Crichton 2018-01-30 07:45:36 -08:00
parent 89c8621426
commit 1487288050
1 changed files with 8 additions and 2 deletions
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10
crates/wasm-bindgen-cli/src/bin/wasm2es6js.rs
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@ -4,13 +4,11 @@ extern crate docopt;
extern crate parity_wasm; extern crate parity_wasm;
extern crate wasm_bindgen_cli_support; extern crate wasm_bindgen_cli_support;
use std::collections::HashSet;
use std::fs::File; use std::fs::File;
use std::io::{Write, Read}; use std::io::{Write, Read};
use std::path::PathBuf; use std::path::PathBuf;
use docopt::Docopt; use docopt::Docopt;
use parity_wasm::elements::*;
const USAGE: &'static str = " const USAGE: &'static str = "
Converts a wasm file to an ES6 JS module Converts a wasm file to an ES6 JS module
@ -22,12 +20,14 @@ Usage:
Options: Options:
-h --help Show this screen. -h --help Show this screen.
-o --output FILE File to place output in -o --output FILE File to place output in
--output-ts FILE File to place a typescript definition of the module to
--base64 Inline the wasm module using base64 encoding --base64 Inline the wasm module using base64 encoding
"; ";
#[derive(Debug, Deserialize)] #[derive(Debug, Deserialize)]
struct Args { struct Args {
flag_output: Option<PathBuf>, flag_output: Option<PathBuf>,
flag_output_ts: Option<PathBuf>,
flag_base64: bool, flag_base64: bool,
arg_input: PathBuf, arg_input: PathBuf,
} }
@ -49,6 +49,12 @@ fn main() {
.base64(args.flag_base64) .base64(args.flag_base64)
.generate(&wasm) .generate(&wasm)
.expect("failed to parse wasm"); .expect("failed to parse wasm");
if let Some(ref p) = args.flag_output_ts {
File::create(p).expect("failed to create output")
.write_all(object.typescript().as_bytes()).expect("failed to write output");
}
let js = object.js(); let js = object.js();
match args.flag_output { match args.flag_output {