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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::ModuleSpecifier;
use deno_graph::source::Resolver;
use deno_graph::source::DEFAULT_JSX_IMPORT_SOURCE_MODULE;
use import_map::ImportMap;
use std::collections::HashMap;
use std::sync::Arc;
use crate::args::JsxImportSourceConfig;
use deno_graph::npm::NpmPackageReq;
/// A resolver that takes care of resolution, taking into account loaded
/// import map, JSX settings.
#[derive(Debug, Clone, Default)]
pub struct CliGraphResolver {
maybe_import_map: Option<Arc<ImportMap>>,
// TODO(bartlomieju): actually use in `resolver`, once
// deno_graph refactors and upgrades land.
#[allow(dead_code)]
maybe_package_json_deps: Option<HashMap<String, NpmPackageReq>>,
maybe_default_jsx_import_source: Option<String>,
maybe_jsx_import_source_module: Option<String>,
}
impl CliGraphResolver {
pub fn new(
maybe_jsx_import_source_config: Option<JsxImportSourceConfig>,
maybe_import_map: Option<Arc<ImportMap>>,
maybe_package_json_deps: Option<HashMap<String, NpmPackageReq>>,
) -> Self {
Self {
maybe_import_map,
maybe_default_jsx_import_source: maybe_jsx_import_source_config
.as_ref()
.and_then(|c| c.default_specifier.clone()),
maybe_jsx_import_source_module: maybe_jsx_import_source_config
.map(|c| c.module),
maybe_package_json_deps,
}
}
pub fn as_graph_resolver(&self) -> &dyn Resolver {
self
}
}
impl Resolver for CliGraphResolver {
fn default_jsx_import_source(&self) -> Option<String> {
self.maybe_default_jsx_import_source.clone()
}
fn jsx_import_source_module(&self) -> &str {
self
.maybe_jsx_import_source_module
.as_deref()
.unwrap_or(DEFAULT_JSX_IMPORT_SOURCE_MODULE)
}
fn resolve(
&self,
specifier: &str,
referrer: &ModuleSpecifier,
) -> Result<ModuleSpecifier, AnyError> {
// TODO(bartlomieju): actually use `maybe_package_json_deps` here, once
// deno_graph refactors and upgrades land.
if let Some(import_map) = &self.maybe_import_map {
import_map
.resolve(specifier, referrer)
.map_err(|err| err.into())
} else {
deno_graph::resolve_import(specifier, referrer).map_err(|err| err.into())
}
}
}
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