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x/deno/cli/resolver.rs

A modern runtime for JavaScript and TypeScript.
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// Copyright 2018-2023 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::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()), } } }}