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denoland-deno/cli/lsp/utils.rs

78 lines
2.4 KiB
Rust

// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::resolve_url;
use deno_core::url::Position;
use deno_core::url::Url;
use deno_core::ModuleSpecifier;
/// Normalizes a file name returned from the TypeScript compiler into a URI that
/// should be sent by the language server to the client.
pub fn normalize_file_name(file_name: &str) -> Result<Url, AnyError> {
let specifier_str = if file_name.starts_with("file://") {
file_name.to_string()
} else {
format!("deno:///{}", file_name.replacen("://", "/", 1))
};
Url::parse(&specifier_str).map_err(|err| err.into())
}
pub fn normalize_specifier(
specifier: &ModuleSpecifier,
) -> Result<Url, AnyError> {
if specifier.scheme() == "file" {
Ok(specifier.clone())
} else {
let specifier_str =
format!("deno:///{}", specifier.as_str().replacen("://", "/", 1));
Url::parse(&specifier_str).map_err(|err| err.into())
}
}
/// Normalize URLs from the client, where "virtual" `deno:///` URLs are
/// converted into proper module specifiers.
pub fn normalize_url(url: Url) -> ModuleSpecifier {
if url.scheme() == "deno"
&& (url.path().starts_with("/http") || url.path().starts_with("/asset"))
{
let specifier_str = url[Position::BeforePath..]
.replacen("/", "", 1)
.replacen("/", "://", 1);
if let Ok(specifier) =
percent_encoding::percent_decode_str(&specifier_str).decode_utf8()
{
if let Ok(specifier) = resolve_url(&specifier) {
return specifier;
}
}
}
url
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_normalize_file_name() {
let fixture = "https://deno.land/x/mod.ts";
let actual = normalize_file_name(fixture).unwrap();
let expected = Url::parse("deno:///https/deno.land/x/mod.ts").unwrap();
assert_eq!(actual, expected);
}
#[test]
fn test_normalize_specifier() {
let fixture = resolve_url("https://deno.land/x/mod.ts").unwrap();
let actual = normalize_specifier(&fixture).unwrap();
let expected = Url::parse("deno:///https/deno.land/x/mod.ts").unwrap();
assert_eq!(actual, expected);
}
#[test]
fn test_normalize_url() {
let fixture = Url::parse("deno:///https/deno.land/x/mod.ts").unwrap();
let actual = normalize_url(fixture);
assert_eq!(actual, resolve_url("https://deno.land/x/mod.ts").unwrap());
}
}