mod benchmark;
mod benchmark_tui;
#[cfg(feature = "desktop")]
mod builder;
mod crepus_toml;
#[cfg(feature = "desktop")]
mod dev;
mod embedded;
#[cfg(feature = "desktop")]
pub mod events;
#[cfg(feature = "desktop")]
mod hud;
mod ios;
mod native;
mod new;
mod render;
mod tui;
pub mod ui;
mod wasm_bundle;
mod web;
mod web_docs;
mod web_islands;
mod web_serve;
mod webext;
use console::style;
#[cfg(feature = "desktop")]
use std::time::Instant;
fn main() {
tracing_subscriber::fmt()
.with_env_filter(
tracing_subscriber::EnvFilter::from_default_env()
.add_directive("crepuscularity=info".parse().unwrap()),
)
.with_target(false)
.init();
let args: Vec<String> = std::env::args().collect();
match args.get(1).map(|s| s.as_str()) {
Some("--version") | Some("-V") => {
println!("crepus cli {}", env!("CARGO_PKG_VERSION"));
std::process::exit(0);
}
Some("--help") | Some("-h") => {
print_usage();
std::process::exit(0);
}
Some("new") => {
let name = args.get(2).map(|s| s.as_str()).unwrap_or_else(|| {
ui::error("Usage: crepus new <name>");
});
new::run(name);
}
#[cfg(feature = "desktop")]
Some("dev") => {
let mut bin: Option<String> = None;
let mut release = false;
let mut emit_events = false;
let mut i = 2;
while i < args.len() {
match args[i].as_str() {
"--bin" => {
i += 1;
bin = args.get(i).cloned();
}
"--release" => release = true,
"--emit-events" => emit_events = true,
_ => {}
}
i += 1;
}
dev::run(bin, release, emit_events);
}
#[cfg(feature = "desktop")]
Some("build") => {
let t0 = Instant::now();
let release = args.iter().any(|a| a == "--release");
let cwd = std::env::current_dir().unwrap_or_else(|e| {
ui::error(&format!("cannot determine current directory: {e}"));
});
let sp = ui::spinner(if release {
"cargo build --release"
} else {
"cargo build"
});
let outcome = builder::cargo_build(&cwd, release, None);
if outcome.success {
ui::spinner_ok(&sp, "build succeeded");
ui::done_in(t0.elapsed());
} else {
sp.finish_and_clear();
ui::error("build failed");
}
}
#[cfg(feature = "desktop")]
Some("preview") => {
let path = args
.get(2)
.map(std::path::PathBuf::from)
.unwrap_or_else(|| {
ui::error("Usage: crepus preview <file.crepus>");
});
if !path.exists() {
ui::error(&format!("file not found: {}", path.display()));
}
eprintln!(
"{} previewing {}",
style("crepus").dim(),
style(path.display().to_string()).cyan().bold()
);
run_preview(path);
}
Some("render") => {
render::run(&args[2..]);
}
Some("web") => {
web::run(&args[2..]);
}
Some("webext") => {
webext::run(&args[2..]);
}
Some("ios") => {
ios::run(&args[2..]);
}
Some("tui") => {
tui::run(&args[2..]);
}
Some("native") => {
native::run(&args[2..]);
}
Some("embedded") => {
embedded::run(&args[2..]);
}
Some("benchmark") => match args.get(2).map(|s| s.as_str()) {
Some("check") => benchmark::run_check(args.get(3..).unwrap_or(&[])),
_ => benchmark::run(args.get(2..).unwrap_or(&[])),
},
_ => {
print_usage();
std::process::exit(1);
}
}
}
fn print_usage() {
eprintln!(
"{} cli {}",
style("crepus").cyan().bold(),
style(env!("CARGO_PKG_VERSION")).dim()
);
eprintln!();
eprintln!("{}", style("COMMANDS").dim());
eprintln!(
" {} {}",
style("new <name> ").green(),
style("scaffold a new GPUI app").dim()
);
eprintln!(
" {} {}",
style("dev [--bin NAME] [--release] ").green(),
style("hot-reload dev loop").dim()
);
eprintln!(
" {} {}",
style("build [--release] ").green(),
style("cargo build wrapper").dim()
);
eprintln!(
" {} {}",
style("preview <file.crepus> ").green(),
style("live-preview a template (GPUI window)").dim()
);
eprintln!(
" {} {}",
style("render <file.crepus> [--ctx] [--var] ").green(),
style("render template to HTML on stdout").dim()
);
eprintln!(
" {} {}",
style("web new <name> ").green(),
style("scaffold .crepus site + WASM runtime/").dim()
);
eprintln!(
" {} {}",
style("web build [--site] [--out-dir] ").green(),
style("static dist/ — HTML shell + WASM bundle").dim()
);
eprintln!(
" {} {}",
style("web site-json [--site DIR] ").green(),
style("pretty-print site.json").dim()
);
eprintln!(
" {} {}",
style("web serve [--site DIR] [--port N] ").green(),
style("live-reload dev server for .crepus files").dim()
);
eprintln!();
eprintln!(
" {} {}",
style("webext new <name> ").green(),
style("scaffold a browser extension").dim()
);
eprintln!(
" {} {}",
style("webext build [--app PATH] ").green(),
style("build extension to dist/unpacked/").dim()
);
eprintln!(
" {} {}",
style("webext manifest [--app PATH] ").green(),
style("print manifest.json").dim()
);
eprintln!(
" {} {}",
style("ios new <name> ").green(),
style("XcodeGen + NativeShell SwiftPM app").dim()
);
eprintln!(
" {} {}",
style("ios generate [--dir] [--spec] ").green(),
style("xcodegen; finds crepus.toml [ios] up-tree").dim()
);
eprintln!(
" {} {}",
style("ios build [--dir] [--scheme] [...] ").green(),
style("xcodegen + xcodebuild; toml = defaults").dim()
);
eprintln!(
" {} {}",
style("tui new <name> ").green(),
style("scaffold TUI app with Ratatui").dim()
);
eprintln!(
" {} {}",
style("tui build [--release] ").green(),
style("build TUI app").dim()
);
eprintln!(
" {} {}",
style("tui preview <file.crepus> ").green(),
style("hot-reload preview a .crepus template in the terminal").dim()
);
eprintln!(
" {} {}",
style("native new <name> ").green(),
style("scaffold native iOS/Android app").dim()
);
eprintln!(
" {} {}",
style("native ir <file.crepus> ").green(),
style("emit View IR JSON").dim()
);
eprintln!(
" {} {}",
style("native build ios [--scheme] ").green(),
style("build native iOS app").dim()
);
eprintln!(
" {} {}",
style("native build android [--flavor] ").green(),
style("build native Android app").dim()
);
eprintln!(
" {} {}",
style("embedded check <file> [--component Name] ").green(),
style("validate .crepus for CI / build.rs").dim()
);
eprintln!(
" {} {}",
style("embedded snapshot <file> -W -H --out ppm").green(),
style("debug PPM only (use Rust API in firmware)").dim()
);
eprintln!(
" {} {}",
style("benchmark [all|run|check] [flags…] ").green(),
style("benchmark.toml run or prereq probe (see examples/benchmarks)").dim()
);
eprintln!();
eprintln!("{}", style("OPTIONS").dim());
eprintln!(
" {} {}",
style("-h, --help ").green(),
style("show this help").dim()
);
eprintln!(
" {} {}",
style("-V, --version ").green(),
style("show version").dim()
);
eprintln!(
" {} {}",
style("--emit-events ").green(),
style("emit JSON events to stdout (IDE integration)").dim()
);
}
#[cfg(feature = "desktop")]
fn run_preview(path: std::path::PathBuf) {
use crepuscularity_runtime::{HotReloadState, HotReloadView, TemplateContext};
use gpui::{
bounds, point, prelude::*, px, size, Application, WindowBackgroundAppearance, WindowKind,
WindowOptions,
};
let display_name = path
.file_name()
.and_then(|n| n.to_str())
.unwrap_or("preview")
.to_string();
let mut ctx = TemplateContext::new();
if let Some(dir) = path.parent() {
let ctx_path = dir.join("context.toml");
if ctx_path.exists() {
load_context_toml(&ctx_path, &mut ctx);
}
}
Application::new().run(move |cx: &mut gpui::App| {
let opts = WindowOptions {
window_bounds: Some(gpui::WindowBounds::Windowed(bounds(
point(px(100.), px(100.)),
size(px(1200.), px(800.)),
))),
titlebar: None,
focus: true,
show: true,
kind: WindowKind::Normal,
is_movable: true,
is_resizable: true,
is_minimizable: true,
display_id: None,
window_background: WindowBackgroundAppearance::Opaque,
app_id: Some(format!("crepuscularity.preview.{display_name}")),
window_min_size: None,
window_decorations: None,
tabbing_identifier: None,
};
let p = path.clone();
let c = ctx.clone();
match cx.open_window(opts, move |_window, cx| {
let state = cx.new(|cx| HotReloadState::new(p.clone(), c.clone(), cx));
cx.new(|_| HotReloadView::new(state))
}) {
Ok(_) => {}
Err(e) => eprintln!("preview: failed to open window: {e}"),
}
});
}
#[cfg(feature = "desktop")]
fn load_context_toml(path: &std::path::Path, ctx: &mut crepuscularity_runtime::TemplateContext) {
use crepuscularity_runtime::TemplateValue;
let Ok(content) = std::fs::read_to_string(path) else {
return;
};
for line in content.lines() {
let line = line.trim();
if line.is_empty() || line.starts_with('#') {
continue;
}
if let Some(eq) = line.find('=') {
let key = line[..eq].trim();
let val = line[eq + 1..].trim();
if val == "true" {
ctx.set(key, TemplateValue::Bool(true));
} else if val == "false" {
ctx.set(key, TemplateValue::Bool(false));
} else if let Ok(n) = val.parse::<i64>() {
ctx.set(key, TemplateValue::Int(n));
} else if let Ok(f) = val.parse::<f64>() {
ctx.set(key, TemplateValue::Float(f));
} else {
ctx.set(key, val.trim_matches('"').trim_matches('\'').to_string());
}
}
}
}