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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use super::dispatch_json::{Deserialize, JsonOp, Value};
use crate::futures::future::try_join_all;
use crate::msg;
use crate::ops::json_op;
use crate::state::ThreadSafeState;
use deno_core::Loader;
use deno_core::*;
pub fn init(i: &mut Isolate, s: &ThreadSafeState) {
i.register_op("cache", s.core_op(json_op(s.stateful_op(op_cache))));
i.register_op(
"resolve_modules",
s.core_op(json_op(s.stateful_op(op_resolve_modules))),
);
i.register_op(
"fetch_source_files",
s.core_op(json_op(s.stateful_op(op_fetch_source_files))),
);
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
struct CacheArgs {
module_id: String,
contents: String,
extension: String,
}
fn op_cache(
state: &ThreadSafeState,
args: Value,
_zero_copy: Option<ZeroCopyBuf>,
) -> Result<JsonOp, ErrBox> {
let args: CacheArgs = serde_json::from_value(args)?;
let module_specifier = ModuleSpecifier::resolve_url(&args.module_id)
.expect("Should be valid module specifier");
state.global_state.ts_compiler.cache_compiler_output(
&module_specifier,
&args.extension,
&args.contents,
)?;
Ok(JsonOp::Sync(json!({})))
}
#[derive(Deserialize, Debug)]
struct SpecifiersReferrerArgs {
specifiers: Vec<String>,
referrer: Option<String>,
}
fn op_resolve_modules(
state: &ThreadSafeState,
args: Value,
_data: Option<ZeroCopyBuf>,
) -> Result<JsonOp, ErrBox> {
let args: SpecifiersReferrerArgs = serde_json::from_value(args)?;
let (referrer, is_main) = if let Some(referrer) = args.referrer {
(referrer, false)
} else {
("<unknown>".to_owned(), true)
};
let mut specifiers = vec![];
for specifier in &args.specifiers {
let resolved_specifier = state.resolve(specifier, &referrer, is_main);
match resolved_specifier {
Ok(ms) => specifiers.push(ms.as_str().to_owned()),
Err(err) => return Err(err),
}
}
Ok(JsonOp::Sync(json!(specifiers)))
}
fn op_fetch_source_files(
state: &ThreadSafeState,
args: Value,
_data: Option<ZeroCopyBuf>,
) -> Result<JsonOp, ErrBox> {
let args: SpecifiersReferrerArgs = serde_json::from_value(args)?;
let ref_specifier = if let Some(referrer) = args.referrer {
let specifier = ModuleSpecifier::resolve_url(&referrer)
.expect("Referrer is not a valid specifier");
Some(specifier)
} else {
None
};
let mut futures = vec![];
for specifier in &args.specifiers {
let resolved_specifier =
ModuleSpecifier::resolve_url(&specifier).expect("Invalid specifier");
let fut = state
.global_state
.file_fetcher
.fetch_source_file_async(&resolved_specifier, ref_specifier.clone());
futures.push(fut);
}
let global_state = state.global_state.clone();
let future = Box::pin(async move {
let files = try_join_all(futures).await?;
// We want to get an array of futures that resolves to
let v = files.into_iter().map(|f| {
async {
// if the source file contains a `types_url` we need to replace
// the module with the type definition when requested by the compiler
let file = match f.types_url {
Some(types_url) => {
let types_specifier = ModuleSpecifier::from(types_url);
global_state
.file_fetcher
.fetch_source_file_async(&types_specifier, ref_specifier.clone())
.await?
}
_ => f,
};
// Special handling of Wasm files:
// compile them into JS first!
// This allows TS to do correct export types.
let source_code = match file.media_type {
msg::MediaType::Wasm => {
global_state
.wasm_compiler
.compile_async(global_state.clone(), &file)
.await?
.code
}
_ => String::from_utf8(file.source_code).unwrap(),
};
Ok::<_, ErrBox>(json!({
"url": file.url.to_string(),
"filename": file.filename.to_str().unwrap(),
"mediaType": file.media_type as i32,
"sourceCode": source_code,
}))
}
});
let v = try_join_all(v).await?;
Ok(v.into())
});
Ok(JsonOp::Async(future))
}
|
