mirror of
https://github.com/denoland/deno.git
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117 lines
3.7 KiB
Rust
117 lines
3.7 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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use crate::import_map::ImportMap;
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use crate::module_graph::BundleType;
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use crate::module_graph::EmitOptions;
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use crate::module_graph::GraphBuilder;
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use crate::program_state::ProgramState;
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use crate::specifier_handler::FetchHandler;
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use crate::specifier_handler::MemoryHandler;
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use crate::specifier_handler::SpecifierHandler;
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use deno_core::error::generic_error;
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use deno_core::error::AnyError;
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use deno_core::error::Context;
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use deno_core::serde_json;
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use deno_core::serde_json::json;
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use deno_core::serde_json::Value;
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use deno_core::BufVec;
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use deno_core::ModuleSpecifier;
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use deno_core::OpState;
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use deno_runtime::permissions::Permissions;
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use serde::Deserialize;
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use std::cell::RefCell;
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use std::collections::HashMap;
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use std::rc::Rc;
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use std::sync::Arc;
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use std::sync::Mutex;
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pub fn init(rt: &mut deno_core::JsRuntime) {
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super::reg_json_async(rt, "op_emit", op_emit);
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}
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#[derive(Debug, Deserialize)]
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enum RuntimeBundleType {
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#[serde(rename = "esm")]
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Esm,
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}
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#[derive(Debug, Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct EmitArgs {
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bundle: Option<RuntimeBundleType>,
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check: Option<bool>,
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compiler_options: Option<HashMap<String, Value>>,
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import_map: Option<Value>,
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import_map_path: Option<String>,
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root_specifier: String,
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sources: Option<HashMap<String, String>>,
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}
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async fn op_emit(
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state: Rc<RefCell<OpState>>,
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args: Value,
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_data: BufVec,
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) -> Result<Value, AnyError> {
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deno_runtime::ops::check_unstable2(&state, "Deno.emit");
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let args: EmitArgs = serde_json::from_value(args)?;
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let program_state = state.borrow().borrow::<Arc<ProgramState>>().clone();
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let runtime_permissions = {
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let state = state.borrow();
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state.borrow::<Permissions>().clone()
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};
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// when we are actually resolving modules without provided sources, we should
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// treat the root module as a dynamic import so that runtime permissions are
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// applied.
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let mut is_dynamic = false;
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let handler: Arc<Mutex<dyn SpecifierHandler>> =
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if let Some(sources) = args.sources {
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Arc::new(Mutex::new(MemoryHandler::new(sources)))
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} else {
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is_dynamic = true;
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Arc::new(Mutex::new(FetchHandler::new(
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&program_state,
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runtime_permissions,
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)?))
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};
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let maybe_import_map = if let Some(import_map_str) = args.import_map_path {
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let import_map_specifier =
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ModuleSpecifier::resolve_url_or_path(&import_map_str).context(
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format!("Bad file path (\"{}\") for import map.", import_map_str),
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)?;
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let import_map_url = import_map_specifier.as_url();
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let import_map = if let Some(value) = args.import_map {
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ImportMap::from_json(&import_map_url.to_string(), &value.to_string())?
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} else {
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ImportMap::load(&import_map_str)?
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};
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Some(import_map)
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} else if args.import_map.is_some() {
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return Err(generic_error("An importMap was specified, but no importMapPath was provided, which is required."));
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} else {
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None
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};
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let mut builder = GraphBuilder::new(handler, maybe_import_map, None);
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let root_specifier =
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ModuleSpecifier::resolve_url_or_path(&args.root_specifier)?;
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builder.add(&root_specifier, is_dynamic).await?;
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let bundle_type = match args.bundle {
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Some(RuntimeBundleType::Esm) => BundleType::Esm,
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_ => BundleType::None,
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};
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let graph = builder.get_graph();
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let debug = program_state.flags.log_level == Some(log::Level::Debug);
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let (files, result_info) = graph.emit(EmitOptions {
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bundle_type,
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check: args.check.unwrap_or(true),
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debug,
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maybe_user_config: args.compiler_options,
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})?;
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Ok(json!({
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"diagnostics": result_info.diagnostics,
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"files": files,
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"ignoredOptions": result_info.maybe_ignored_options,
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"stats": result_info.stats,
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}))
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}
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