openethereum/dapps/js-glue/src/js.rs

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// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
#![cfg_attr(feature="use-precompiled-js", allow(dead_code))]
#![cfg_attr(feature="use-precompiled-js", allow(unused_imports))]
use std::fmt;
use std::process::Command;
#[cfg(not(windows))]
mod platform {
use std::process::Command;
pub static NPM_CMD: &'static str = "npm";
pub fn handle_fd(cmd: &mut Command) -> &mut Command {
cmd
}
}
#[cfg(windows)]
mod platform {
use std::process::{Command, Stdio};
pub static NPM_CMD: &'static str = "npm.cmd";
// NOTE [ToDr] For some reason on windows
// We cannot have any file descriptors open when running a child process
// during build phase.
pub fn handle_fd(cmd: &mut Command) -> &mut Command {
cmd.stdin(Stdio::null())
.stdout(Stdio::null())
.stderr(Stdio::null())
}
}
fn die<T : fmt::Debug>(s: &'static str, e: T) -> ! {
panic!("Error: {}: {:?}", s, e);
}
#[cfg(feature = "use-precompiled-js")]
pub fn test(_path: &str) {
}
#[cfg(feature = "use-precompiled-js")]
pub fn build(_path: &str, _dest: &str) {
}
#[cfg(not(feature = "use-precompiled-js"))]
pub fn build(path: &str, dest: &str) {
let child = platform::handle_fd(&mut Command::new(platform::NPM_CMD))
.arg("install")
.arg("--no-progress")
.current_dir(path)
.status()
.unwrap_or_else(|e| die("Installing node.js dependencies with npm", e));
assert!(child.success(), "There was an error installing dependencies.");
let child = platform::handle_fd(&mut Command::new(platform::NPM_CMD))
.arg("run")
.arg("build")
.env("NODE_ENV", "production")
.env("BUILD_DEST", dest)
.current_dir(path)
.status()
.unwrap_or_else(|e| die("Building JS code", e));
assert!(child.success(), "There was an error build JS code.");
}
#[cfg(not(feature = "use-precompiled-js"))]
pub fn test(path: &str) {
let child = Command::new(platform::NPM_CMD)
.arg("run")
.arg("test")
.current_dir(path)
.status()
.unwrap_or_else(|e| die("Running test command", e));
assert!(child.success(), "There was an error while running JS tests.");
}