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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use deno_core::include_crate_modules;
use deno_core::CoreIsolate;
use deno_core::StartupData;
use std::collections::HashMap;
use std::env;
use std::path::PathBuf;
#[cfg(target_os = "windows")]
extern crate winapi;
#[cfg(target_os = "windows")]
extern crate winres;
fn main() {
// Don't build V8 if "cargo doc" is being run. This is to support docs.rs.
if env::var_os("RUSTDOCFLAGS").is_some() {
return;
}
// To debug snapshot issues uncomment:
// deno_typescript::trace_serializer();
println!(
"cargo:rustc-env=TS_VERSION={}",
deno_typescript::ts_version()
);
println!(
"cargo:rustc-env=TARGET={}",
std::env::var("TARGET").unwrap()
);
let extern_crate_modules = include_crate_modules![deno_core];
// The generation of snapshots is slow and often unnecessary. Until we figure
// out how to speed it up, or avoid it when unnecessary, this env var provides
// an escape hatch for the impatient hacker in need of faster incremental
// builds.
// USE WITH EXTREME CAUTION
if env::var_os("NO_BUILD_SNAPSHOTS").is_some() {
println!("NO_BUILD_SNAPSHOTS is set, skipping snapshot building.");
return;
}
let c = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
let o = PathBuf::from(env::var_os("OUT_DIR").unwrap());
// Main snapshot
let root_names = vec![c.join("js/main.ts")];
let bundle_path = o.join("CLI_SNAPSHOT.js");
let snapshot_path = o.join("CLI_SNAPSHOT.bin");
let main_module_name = deno_typescript::compile_bundle(
&bundle_path,
root_names,
Some(extern_crate_modules.clone()),
)
.expect("Bundle compilation failed");
assert!(bundle_path.exists());
let mut runtime_isolate = CoreIsolate::new(StartupData::None, true);
deno_typescript::mksnapshot_bundle(
&mut runtime_isolate,
&snapshot_path,
&bundle_path,
&main_module_name,
)
.expect("Failed to create snapshot");
// Compiler snapshot
let root_names = vec![c.join("js/compiler.ts")];
let bundle_path = o.join("COMPILER_SNAPSHOT.js");
let snapshot_path = o.join("COMPILER_SNAPSHOT.bin");
let main_module_name = deno_typescript::compile_bundle(
&bundle_path,
root_names,
Some(extern_crate_modules),
)
.expect("Bundle compilation failed");
assert!(bundle_path.exists());
let mut runtime_isolate = CoreIsolate::new(StartupData::None, true);
let mut custom_libs: HashMap<String, PathBuf> = HashMap::new();
custom_libs.insert(
"lib.deno.window.d.ts".to_string(),
c.join("js/lib.deno.window.d.ts"),
);
custom_libs.insert(
"lib.deno.worker.d.ts".to_string(),
c.join("js/lib.deno.worker.d.ts"),
);
custom_libs.insert(
"lib.deno.shared_globals.d.ts".to_string(),
c.join("js/lib.deno.shared_globals.d.ts"),
);
custom_libs.insert(
"lib.deno.ns.d.ts".to_string(),
c.join("js/lib.deno.ns.d.ts"),
);
custom_libs.insert(
"lib.deno.unstable.d.ts".to_string(),
c.join("js/lib.deno.unstable.d.ts"),
);
runtime_isolate.register_op(
"op_fetch_asset",
deno_typescript::op_fetch_asset(custom_libs),
);
deno_typescript::mksnapshot_bundle_ts(
&mut runtime_isolate,
&snapshot_path,
&bundle_path,
&main_module_name,
)
.expect("Failed to create snapshot");
set_binary_metadata();
}
#[cfg(target_os = "windows")]
fn set_binary_metadata() {
let mut res = winres::WindowsResource::new();
res.set_icon("deno.ico");
res.set_language(winapi::um::winnt::MAKELANGID(
winapi::um::winnt::LANG_ENGLISH,
winapi::um::winnt::SUBLANG_ENGLISH_US,
));
res.compile().unwrap();
}
#[cfg(not(target_os = "windows"))]
fn set_binary_metadata() {}
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