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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use crate::ast;
use crate::colors;
use crate::media_type::MediaType;
use crate::module_graph::BundleType;
use crate::module_graph::EmitOptions;
use crate::module_graph::GraphBuilder;
use crate::permissions::Permissions;
use crate::specifier_handler::FetchHandler;
use crate::specifier_handler::MemoryHandler;
use crate::specifier_handler::SpecifierHandler;
use crate::tsc_config;
use deno_core::error::AnyError;
use deno_core::error::Context;
use deno_core::serde::Serialize;
use deno_core::serde_json;
use deno_core::serde_json::json;
use deno_core::serde_json::Value;
use deno_core::BufVec;
use deno_core::ModuleSpecifier;
use deno_core::OpState;
use serde::Deserialize;
use std::cell::RefCell;
use std::collections::HashMap;
use std::rc::Rc;
pub fn init(rt: &mut deno_core::JsRuntime) {
super::reg_json_async(rt, "op_compile", op_compile);
super::reg_json_async(rt, "op_transpile", op_transpile);
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
struct CompileArgs {
root_name: String,
sources: Option<HashMap<String, String>>,
bundle: bool,
options: Option<String>,
}
async fn op_compile(
state: Rc<RefCell<OpState>>,
args: Value,
_data: BufVec,
) -> Result<Value, AnyError> {
let args: CompileArgs = serde_json::from_value(args)?;
if args.bundle {
super::check_unstable2(&state, "Deno.bundle");
} else {
super::check_unstable2(&state, "Deno.compile");
}
let program_state = super::global_state2(&state);
let runtime_permissions = {
let state = state.borrow();
state.borrow::<Permissions>().clone()
};
let handler: Rc<RefCell<dyn SpecifierHandler>> =
if let Some(sources) = args.sources {
Rc::new(RefCell::new(MemoryHandler::new(sources)))
} else {
Rc::new(RefCell::new(FetchHandler::new(
&program_state,
runtime_permissions,
)?))
};
let mut builder = GraphBuilder::new(handler, None, None);
let specifier = ModuleSpecifier::resolve_url_or_path(&args.root_name)
.context("The root specifier is invalid.")?;
builder.add(&specifier, false).await?;
let graph = builder.get_graph();
let bundle_type = if args.bundle {
BundleType::Esm
} else {
BundleType::None
};
let debug = program_state.flags.log_level == Some(log::Level::Debug);
let maybe_user_config: Option<HashMap<String, Value>> =
if let Some(options) = args.options {
Some(serde_json::from_str(&options)?)
} else {
None
};
let (emitted_files, result_info) = graph.emit(EmitOptions {
bundle_type,
debug,
maybe_user_config,
})?;
Ok(json!({
"emittedFiles": emitted_files,
"diagnostics": result_info.diagnostics,
}))
}
#[derive(Deserialize, Debug)]
struct TranspileArgs {
sources: HashMap<String, String>,
options: Option<String>,
}
#[derive(Debug, Serialize)]
struct RuntimeTranspileEmit {
source: String,
map: Option<String>,
}
async fn op_transpile(
state: Rc<RefCell<OpState>>,
args: Value,
_data: BufVec,
) -> Result<Value, AnyError> {
super::check_unstable2(&state, "Deno.transpileOnly");
let args: TranspileArgs = serde_json::from_value(args)?;
let mut compiler_options = tsc_config::TsConfig::new(json!({
"checkJs": true,
"emitDecoratorMetadata": false,
"jsx": "react",
"jsxFactory": "React.createElement",
"jsxFragmentFactory": "React.Fragment",
"inlineSourceMap": false,
}));
let user_options: HashMap<String, Value> = if let Some(options) = args.options
{
serde_json::from_str(&options)?
} else {
HashMap::new()
};
let maybe_ignored_options =
compiler_options.merge_user_config(&user_options)?;
// TODO(@kitsonk) these really should just be passed back to the caller
if let Some(ignored_options) = maybe_ignored_options {
info!("{}: {}", colors::yellow("warning"), ignored_options);
}
let emit_options: ast::EmitOptions = compiler_options.into();
let mut emit_map = HashMap::new();
for (specifier, source) in args.sources {
let media_type = MediaType::from(&specifier);
let parsed_module = ast::parse(&specifier, &source, &media_type)?;
let (source, maybe_source_map) = parsed_module.transpile(&emit_options)?;
emit_map.insert(
specifier.to_string(),
RuntimeTranspileEmit {
source,
map: maybe_source_map,
},
);
}
let result = serde_json::to_value(emit_map)?;
Ok(result)
}
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