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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 deno_graph::source::DEFAULT_JSX_IMPORT_SOURCE_MODULE;use import_map::ImportMap;use std::sync::Arc;
use crate::args::config_file::JsxImportSourceConfig;
/// A resolver that takes care of resolution, taking into account loaded/// import map, JSX settings.#[derive(Debug, Clone, Default)]pub struct CliResolver {  maybe_import_map: Option<Arc<ImportMap>>,  maybe_default_jsx_import_source: Option<String>,  maybe_jsx_import_source_module: Option<String>,}
impl CliResolver {  pub fn maybe_new(    maybe_jsx_import_source_config: Option<JsxImportSourceConfig>,    maybe_import_map: Option<Arc<ImportMap>>,  ) -> Option<Self> {    if maybe_jsx_import_source_config.is_some() || maybe_import_map.is_some() {      Some(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),      })    } else {      None    }  }
  pub fn with_import_map(import_map: Arc<ImportMap>) -> Self {    Self::maybe_new(None, Some(import_map)).unwrap()  }
  pub fn as_graph_resolver(&self) -> &dyn Resolver {    self  }}
impl Resolver for CliResolver {  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,  ) -> ResolveResponse {    if let Some(import_map) = &self.maybe_import_map {      match import_map.resolve(specifier, referrer) {        Ok(resolved_specifier) => {          ResolveResponse::Specifier(resolved_specifier)        }        Err(err) => ResolveResponse::Err(err.into()),      }    } else {      match resolve_import(specifier, referrer.as_str()) {        Ok(specifier) => ResolveResponse::Specifier(specifier),        Err(err) => ResolveResponse::Err(err.into()),      }    }  }}