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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use std::path::PathBuf;
use std::sync::Arc;
use deno_core::error::AnyError;
use deno_core::futures::FutureExt;
use deno_core::resolve_url_or_path;
use deno_runtime::colors;
use crate::args::BundleFlags;
use crate::args::CliOptions;
use crate::args::Flags;
use crate::args::TsConfigType;
use crate::args::TypeCheckMode;
use crate::graph_util::create_graph_and_maybe_check;
use crate::graph_util::error_for_any_npm_specifier;
use crate::proc_state::ProcState;
use crate::util;
use crate::util::display;
use crate::util::file_watcher::ResolutionResult;
pub async fn bundle(
flags: Flags,
bundle_flags: BundleFlags,
) -> Result<(), AnyError> {
let cli_options = Arc::new(CliOptions::from_flags(flags)?);
let resolver = |_| {
let cli_options = cli_options.clone();
let source_file1 = &bundle_flags.source_file;
let source_file2 = &bundle_flags.source_file;
async move {
let module_specifier = resolve_url_or_path(source_file1)?;
log::debug!(">>>>> bundle START");
let ps = ProcState::from_options(cli_options).await?;
let graph = create_graph_and_maybe_check(module_specifier, &ps).await?;
let mut paths_to_watch: Vec<PathBuf> = graph
.specifiers()
.filter_map(|(_, r)| r.ok().and_then(|(s, _, _)| s.to_file_path().ok()))
.collect();
if let Ok(Some(import_map_path)) = ps
.options
.resolve_import_map_specifier()
.map(|ms| ms.and_then(|ref s| s.to_file_path().ok()))
{
paths_to_watch.push(import_map_path);
}
Ok((paths_to_watch, graph, ps))
}
.map(move |result| match result {
Ok((paths_to_watch, graph, ps)) => ResolutionResult::Restart {
paths_to_watch,
result: Ok((ps, graph)),
},
Err(e) => ResolutionResult::Restart {
paths_to_watch: vec![PathBuf::from(source_file2)],
result: Err(e),
},
})
};
let operation = |(ps, graph): (ProcState, Arc<deno_graph::ModuleGraph>)| {
let out_file = &bundle_flags.out_file;
async move {
// at the moment, we don't support npm specifiers in deno bundle, so show an error
error_for_any_npm_specifier(&graph)?;
let bundle_output = bundle_module_graph(graph.as_ref(), &ps)?;
log::debug!(">>>>> bundle END");
if let Some(out_file) = out_file {
let output_bytes = bundle_output.code.as_bytes();
let output_len = output_bytes.len();
util::fs::write_file(out_file, output_bytes, 0o644)?;
log::info!(
"{} {:?} ({})",
colors::green("Emit"),
out_file,
colors::gray(display::human_size(output_len as f64))
);
if let Some(bundle_map) = bundle_output.maybe_map {
let map_bytes = bundle_map.as_bytes();
let map_len = map_bytes.len();
let ext = if let Some(curr_ext) = out_file.extension() {
format!("{}.map", curr_ext.to_string_lossy())
} else {
"map".to_string()
};
let map_out_file = out_file.with_extension(ext);
util::fs::write_file(&map_out_file, map_bytes, 0o644)?;
log::info!(
"{} {:?} ({})",
colors::green("Emit"),
map_out_file,
colors::gray(display::human_size(map_len as f64))
);
}
} else {
println!("{}", bundle_output.code);
}
Ok(())
}
};
if cli_options.watch_paths().is_some() {
util::file_watcher::watch_func(
resolver,
operation,
util::file_watcher::PrintConfig {
job_name: "Bundle".to_string(),
clear_screen: !cli_options.no_clear_screen(),
},
)
.await?;
} else {
let module_graph =
if let ResolutionResult::Restart { result, .. } = resolver(None).await {
result?
} else {
unreachable!();
};
operation(module_graph).await?;
}
Ok(())
}
fn bundle_module_graph(
graph: &deno_graph::ModuleGraph,
ps: &ProcState,
) -> Result<deno_emit::BundleEmit, AnyError> {
log::info!("{} {}", colors::green("Bundle"), graph.roots[0]);
let ts_config_result = ps
.options
.resolve_ts_config_for_emit(TsConfigType::Bundle)?;
if ps.options.type_check_mode() == TypeCheckMode::None {
if let Some(ignored_options) = ts_config_result.maybe_ignored_options {
log::warn!("{}", ignored_options);
}
}
deno_emit::bundle_graph(
graph,
deno_emit::BundleOptions {
bundle_type: deno_emit::BundleType::Module,
emit_options: ts_config_result.ts_config.into(),
emit_ignore_directives: true,
},
)
}
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