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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_core::resolve_import;
use deno_core::ModuleSpecifier;
use deno_graph::source::ResolveResponse;
use deno_graph::source::Resolver;
use import_map::ImportMap;
use std::sync::Arc;
/// Wraps an import map to be used when building a deno_graph module graph.
/// This is done to avoid having `import_map` be a direct dependency of
/// `deno_graph`.
#[derive(Debug, Clone)]
pub struct ImportMapResolver(Arc<ImportMap>);
impl ImportMapResolver {
pub fn new(import_map: Arc<ImportMap>) -> Self {
Self(import_map)
}
pub fn as_resolver(&self) -> &dyn Resolver {
self
}
}
impl Resolver for ImportMapResolver {
fn resolve(
&self,
specifier: &str,
referrer: &ModuleSpecifier,
) -> ResolveResponse {
match self.0.resolve(specifier, referrer) {
Ok(specifier) => ResolveResponse::Specifier(specifier),
Err(err) => ResolveResponse::Err(err.into()),
}
}
}
#[derive(Debug, Default, Clone)]
pub struct JsxResolver {
jsx_import_source_module: String,
maybe_import_map_resolver: Option<ImportMapResolver>,
}
impl JsxResolver {
pub fn new(
jsx_import_source_module: String,
maybe_import_map_resolver: Option<ImportMapResolver>,
) -> Self {
Self {
jsx_import_source_module,
maybe_import_map_resolver,
}
}
pub fn as_resolver(&self) -> &dyn Resolver {
self
}
}
impl Resolver for JsxResolver {
fn jsx_import_source_module(&self) -> &str {
self.jsx_import_source_module.as_str()
}
fn resolve(
&self,
specifier: &str,
referrer: &ModuleSpecifier,
) -> ResolveResponse {
self.maybe_import_map_resolver.as_ref().map_or_else(
|| match resolve_import(specifier, referrer.as_str()) {
Ok(specifier) => ResolveResponse::Specifier(specifier),
Err(err) => ResolveResponse::Err(err.into()),
},
|r| r.resolve(specifier, referrer),
)
}
}
|
