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denoland-deno/cli/args/import_map.rs
David Sherret f5840bdcd3
chore: upgrade to Rust 1.67 (#17548)
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
2023-01-27 10:43:16 -05:00

64 lines
1.8 KiB
Rust

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::serde_json;
use deno_core::url::Url;
use deno_runtime::permissions::PermissionsContainer;
use import_map::ImportMap;
use import_map::ImportMapDiagnostic;
use log::warn;
use super::ConfigFile;
use crate::file_fetcher::get_source_from_data_url;
use crate::file_fetcher::FileFetcher;
pub async fn resolve_import_map_from_specifier(
specifier: &Url,
maybe_config_file: Option<&ConfigFile>,
file_fetcher: &FileFetcher,
) -> Result<ImportMap, AnyError> {
let value: serde_json::Value = if specifier.scheme() == "data" {
serde_json::from_str(&get_source_from_data_url(specifier)?.0)?
} else {
let import_map_config = maybe_config_file
.as_ref()
.filter(|c| c.specifier == *specifier);
match import_map_config {
Some(config) => config.to_import_map_value(),
None => {
let file = file_fetcher
.fetch(specifier, PermissionsContainer::allow_all())
.await?;
serde_json::from_str(&file.source)?
}
}
};
import_map_from_value(specifier, value)
}
fn import_map_from_value(
specifier: &Url,
json_value: serde_json::Value,
) -> Result<ImportMap, AnyError> {
debug_assert!(
!specifier.as_str().contains("../"),
"Import map specifier incorrectly contained ../: {}",
specifier.as_str()
);
let result = import_map::parse_from_value(specifier, json_value)?;
print_import_map_diagnostics(&result.diagnostics);
Ok(result.import_map)
}
fn print_import_map_diagnostics(diagnostics: &[ImportMapDiagnostic]) {
if !diagnostics.is_empty() {
warn!(
"Import map diagnostics:\n{}",
diagnostics
.iter()
.map(|d| format!(" - {d}"))
.collect::<Vec<_>>()
.join("\n")
);
}
}