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use livid_server::Server;
use std::path::PathBuf;
use std::process::Command;
const USAGE: &str = r#"{{BIN}} {{VERSION}}
Builds and bundles your wasm web app.
USAGE:
{{BIN}} <SUBCOMMAND>
SUBCOMMANDS:
build Build your wasm web app
clean Clean output artifacts
serve Serve the generated index.html
deploy Creates a desktop app using the wasm web app for frontend
--help Prints this message
"#;
const DEPLOY: &str = r#"USAGE:
{{BIN}} deploy <OPTIONS>
OPTIONS:
--width Sets the window's width
--height Sets the window's height
--title Sets the window's title
--port Sets the server's local port
--using Sets the project to be used for the backend
--help Prints this message
"#;
const SCRIPT: &str = r#"
<script src="./{{crate}}.js"></script>
<script type="module">
import init from "./{{crate}}.js";
init();
</script>
"#;
const HTML: &str = r#"
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
{{SCRIPT}}
</body>
</html>
"#;
const APP: &str = r#"use livid_desktop::{App, Settings};
fn main() {
let a = App::new(Settings {
w: {{width}},
h: {{height}},
title: {{title}},
port: {{port}},
..Default::default()
});
a.run();
}"#;
const CARGO: &str = r#"[package]
name = "{{crate}}"
version = "0.1.0"
edition = "2021"
[dependencies]
livid-desktop = "0.1"
[profile.release]
opt-level = 3
strip = true
"#;
pub fn handle_args(bin_name: &str, args: &[String]) {
if args.len() == 1 {
help(bin_name);
return;
}
match args[1].as_str() {
"build" => build(args),
"serve" => serve(args),
"deploy" => deploy(bin_name, args),
"clean" => clean(),
"--help" | "--version" => help(bin_name),
_ => help(bin_name),
}
}
fn check_prog(prog: &str) -> bool {
let mut cmd = Command::new(prog);
cmd.args(&["--help"]);
cmd.output().is_ok()
}
fn help(bin_name: &str) {
let usage = USAGE
.replace("{{BIN}}", bin_name)
.replace("{{VERSION}}", env!("CARGO_PKG_VERSION"));
println!("{}", usage);
}
fn clean() {
let mut cargo = Command::new("cargo");
cargo.args(&["clean"]);
cargo.spawn().unwrap().wait().unwrap();
let dist = PathBuf::from("dist");
if dist.exists() {
std::fs::remove_dir_all(dist).unwrap();
}
}
fn serve(args: &[String]) {
build(args);
println!("Livid server running on http://0.0.0.0:8080!\nServing dist/");
Server::serve("8080", &std::env::current_dir().unwrap().join("dist"));
}
fn build(args: &[String]) {
let mut release = false;
if let Some(val) = args.get(2) {
if val == "--release" {
release = true;
}
}
let cargo_toml = std::fs::read_to_string("Cargo.toml").expect("Failed to find a Cargo.toml!");
let pkg: toml::Value = cargo_toml.parse().unwrap();
let crate_name = format!("{}", pkg["package"]["name"]).replace('"', "");
let mut path = PathBuf::from("target").join("wasm32-unknown-unknown");
if release {
path = path.join("release");
} else {
path = path.join("debug");
}
path = path.join(&format!("{}.wasm", &crate_name));
if !check_prog("wasm-bindgen") {
eprintln!("wasm-bindgen-cli was not found, running a first-time install...");
let mut cargo = Command::new("cargo");
cargo.args(&["install", "wasm-bindgen-cli"]);
cargo.spawn().unwrap().wait().unwrap();
}
let mut cargo = std::process::Command::new("cargo");
let mut cargo_args = vec!["build", "--target", "wasm32-unknown-unknown"];
if release {
cargo_args.push("--release");
}
cargo.args(&cargo_args);
cargo.spawn().unwrap().wait().unwrap();
if check_prog("wasm-opt") && release {
let mut opt = Command::new("wasm-opt");
let path = format!("{}", path.display());
opt.args(&[&path, "-O3", "-o", &path]);
opt.spawn().unwrap().wait().unwrap();
}
let mut wb = Command::new("wasm-bindgen");
wb.args(&[
&format!("{}", path.display()),
"--out-dir",
"dist",
"--target",
"web",
"--weak-refs",
"--no-typescript",
]);
wb.spawn().unwrap().wait().unwrap();
let script = SCRIPT.to_string().replace("{{crate}}", &crate_name);
let html = std::fs::read_to_string("index.html")
.unwrap_or_else(|_| HTML.to_string())
.replace("{{SCRIPT}}", &script);
let dist = PathBuf::from("dist");
if dist.exists() {
std::fs::write(dist.join("index.html"), html).unwrap();
}
}
fn deploy(bin_name: &str, args: &[String]) {
let mut w = 600;
let mut h = 400;
let mut title = "my app".to_string();
let mut port = "8080".to_string();
let mut proj_path = None;
for arg in args {
if arg == "--help" {
println!("{}", DEPLOY.replace("{{BIN}}", bin_name));
return;
}
if let Some(using) = arg.strip_prefix("--using=") {
proj_path = Some(PathBuf::from(using));
break;
}
if let Some(width) = arg.strip_prefix("--width=") {
w = width.parse().unwrap();
}
if let Some(height) = arg.strip_prefix("--height=") {
h = height.parse().unwrap();
}
if let Some(t) = arg.strip_prefix("--title=") {
title = t.to_string();
}
if let Some(p) = arg.strip_prefix("--port=") {
port = p.to_string();
}
}
build(&[String::new(), String::new(), "--release".to_string()]);
let app = APP
.to_string()
.replace("{{width}}", &w.to_string())
.replace("{{height}}", &h.to_string())
.replace("{{port}}", &format!("\"{}\"", port))
.replace("{{title}}", &format!("\"{}\"", title));
let cargo_toml = std::fs::read_to_string("Cargo.toml").expect("Failed to find a Cargo.toml!");
let pkg: toml::Value = cargo_toml.parse().unwrap();
let mut crate_name = format!("{}", pkg["package"]["name"]).replace('"', "");
let cargo_toml = CARGO.to_string().replace("{{crate}}", &crate_name);
let temp_dir = std::env::temp_dir();
let proj = if let Some(proj_path) = proj_path {
let cargo_toml = std::fs::read_to_string(proj_path.join("Cargo.toml"))
.expect("Failed to find a Cargo.toml!");
let pkg: toml::Value = cargo_toml.parse().unwrap();
crate_name = format!("{}", pkg["package"]["name"]).replace('"', "");
proj_path
} else {
temp_dir.join("livid_temp")
};
if !proj.exists() {
let mut cargo = Command::new("cargo");
cargo.current_dir(&temp_dir);
cargo.args(&["new", "livid_temp"]);
cargo.spawn().unwrap().wait().unwrap();
std::fs::write(proj.join("src").join("main.rs"), &app).unwrap();
std::fs::write(proj.join("Cargo.toml"), &cargo_toml).unwrap();
}
let mut cargo = Command::new("cargo");
cargo.current_dir(&proj);
cargo.args(&["build", "--release"]);
cargo.spawn().unwrap().wait().unwrap();
let cwd = std::env::current_dir().unwrap();
let bundle = cwd.join("bundle");
if !bundle.exists() {
std::fs::create_dir(&bundle).unwrap();
}
let exe = if cfg!(target_os = "windows") {
crate_name.push_str(".exe");
crate_name
} else {
crate_name
};
std::fs::copy(
proj.join("target").join("release").join(&exe),
bundle.join(exe),
)
.unwrap();
let mut opts = fs_extra::dir::CopyOptions::new();
opts.overwrite = true;
opts.copy_inside = true;
fs_extra::dir::copy(cwd.join("dist"), cwd.join("bundle"), &opts).unwrap();
}
