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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use deno_core::v8;
use deno_core::ModuleSpecifier;
use std::thread;
use crate::colors;
use crate::ops::runtime::ppid;
/// Common bootstrap options for MainWorker & WebWorker
#[derive(Clone)]
pub struct BootstrapOptions {
/// Sets `Deno.args` in JS runtime.
pub args: Vec<String>,
pub cpu_count: usize,
pub debug_flag: bool,
pub enable_testing_features: bool,
pub locale: String,
pub location: Option<ModuleSpecifier>,
/// Sets `Deno.noColor` in JS runtime.
pub no_color: bool,
pub is_tty: bool,
/// Sets `Deno.version.deno` in JS runtime.
pub runtime_version: String,
/// Sets `Deno.version.typescript` in JS runtime.
pub ts_version: String,
pub unstable: bool,
pub user_agent: String,
pub inspect: bool,
}
impl Default for BootstrapOptions {
fn default() -> Self {
let cpu_count = thread::available_parallelism()
.map(|p| p.get())
.unwrap_or(1);
let runtime_version = env!("CARGO_PKG_VERSION").into();
let user_agent = format!("Deno/{runtime_version}");
Self {
runtime_version,
user_agent,
cpu_count,
no_color: !colors::use_color(),
is_tty: colors::is_tty(),
enable_testing_features: Default::default(),
debug_flag: Default::default(),
ts_version: Default::default(),
locale: "en".to_string(),
location: Default::default(),
unstable: Default::default(),
inspect: Default::default(),
args: Default::default(),
}
}
}
impl BootstrapOptions {
pub fn as_v8<'s>(
&self,
scope: &mut v8::HandleScope<'s>,
) -> v8::Local<'s, v8::Array> {
let array = v8::Array::new(scope, 17);
{
let args = v8::Array::new(scope, self.args.len() as i32);
for (idx, arg) in self.args.iter().enumerate() {
let arg_str = v8::String::new(scope, arg).unwrap();
args.set_index(scope, idx as u32, arg_str.into());
}
array.set_index(scope, 0, args.into());
}
{
let val = v8::Integer::new(scope, self.cpu_count as i32);
array.set_index(scope, 1, val.into());
}
{
let val = v8::Boolean::new(scope, self.debug_flag);
array.set_index(scope, 2, val.into());
}
{
let val = v8::String::new_from_one_byte(
scope,
self.runtime_version.as_bytes(),
v8::NewStringType::Internalized,
)
.unwrap();
array.set_index(scope, 3, val.into());
}
{
let val = v8::String::new_from_one_byte(
scope,
self.locale.as_bytes(),
v8::NewStringType::Normal,
)
.unwrap();
array.set_index(scope, 4, val.into());
}
{
let val: v8::Local<v8::Value> = if let Some(location) = &self.location {
v8::String::new(scope, location.as_str()).unwrap().into()
} else {
v8::undefined(scope).into()
};
array.set_index(scope, 5, val);
}
{
let val = v8::Boolean::new(scope, self.no_color);
array.set_index(scope, 6, val.into());
}
{
let val = v8::Boolean::new(scope, self.is_tty);
array.set_index(scope, 7, val.into());
}
{
let val = v8::String::new_from_one_byte(
scope,
self.ts_version.as_bytes(),
v8::NewStringType::Normal,
)
.unwrap();
array.set_index(scope, 8, val.into());
}
{
let val = v8::Boolean::new(scope, self.unstable);
array.set_index(scope, 9, val.into());
}
{
let val = v8::Integer::new(scope, std::process::id() as i32);
array.set_index(scope, 10, val.into());
}
{
let val = v8::Integer::new(scope, ppid() as i32);
array.set_index(scope, 11, val.into());
}
{
let val = v8::String::new_external_onebyte_static(
scope,
env!("TARGET").as_bytes(),
)
.unwrap();
array.set_index(scope, 12, val.into());
}
{
let val = v8::String::new_from_one_byte(
scope,
deno_core::v8_version().as_bytes(),
v8::NewStringType::Normal,
)
.unwrap();
array.set_index(scope, 13, val.into());
}
{
let val = v8::String::new_from_one_byte(
scope,
self.user_agent.as_bytes(),
v8::NewStringType::Normal,
)
.unwrap();
array.set_index(scope, 14, val.into());
}
{
let val = v8::Boolean::new(scope, self.inspect);
array.set_index(scope, 15, val.into());
}
{
let val = v8::Boolean::new(scope, self.enable_testing_features);
array.set_index(scope, 16, val.into());
}
array
}
}
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