use std::{fs, path::PathBuf}; use plugin::prelude::*;use serde::Deserialize; #[import]fn command(string: &str) -> Option<Vec<u8>>; const SERVER_PATH: &str = "node_modules/vscode-json-languageserver/bin/vscode-json-languageserver"; #[export]pub fn name() -> &'static str { "vscode-json-languageserver"} #[export]pub fn server_args() -> Vec<String> { vec!["--stdio".into()]} #[export]pub fn fetch_latest_server_version() -> Option<String> { #[derive(Deserialize)] struct NpmInfo { versions: Vec<String>, } let output = command("npm info vscode-json-languageserver --json").expect("could not run command"); let output = String::from_utf8(output).unwrap(); let mut info: NpmInfo = serde_json::from_str(&output).ok()?; info.versions.pop()} #[export]pub fn fetch_server_binary(container_dir: PathBuf, version: String) -> Result<PathBuf, String> { let version_dir = container_dir.join(version.as_str()); fs::create_dir_all(&version_dir) .map_err(|_| "failed to create version directory".to_string())?; let binary_path = version_dir.join(SERVER_PATH); if fs::metadata(&binary_path).is_err() { let output = command(&format!( "npm install vscode-json-languageserver@{}", version )); let output = output.map(String::from_utf8); if output.is_none() { return Err("failed to install vscode-json-languageserver".to_string()); } if let Ok(entries) = fs::read_dir(&container_dir) { for entry in entries.flatten() { let entry_path = entry.path(); if entry_path.as_path() != version_dir { fs::remove_dir_all(&entry_path).ok(); } } } } Ok(binary_path)} #[export]pub fn cached_server_binary(container_dir: PathBuf) -> Option<PathBuf> { let mut last_version_dir = None; let entries = fs::read_dir(&container_dir).ok()?; for entry in entries { let entry = entry.ok()?; if entry.file_type().ok()?.is_dir() { last_version_dir = Some(entry.path()); } } let last_version_dir = last_version_dir?; let server_path = last_version_dir.join(SERVER_PATH); if server_path.exists() { Some(server_path) } else { println!("no binary found"); None }} #[export]pub fn initialization_options() -> Option<String> { Some("{ \"provideFormatter\": true }".to_string())} #[export]pub fn language_ids() -> Vec<(String, String)> { vec![("JSON".into(), "jsonc".into())]}
use std::{fs, path::PathBuf};
use plugin::prelude::*;
use serde::Deserialize;
#[import]
fn command(string: &str) -> Option<Vec<u8>>;
const SERVER_PATH: &str = "node_modules/vscode-json-languageserver/bin/vscode-json-languageserver";
#[export]
pub fn name() -> &'static str {
"vscode-json-languageserver"
}
#[export]
pub fn server_args() -> Vec<String> {
vec!["--stdio".into()]
}
#[export]
pub fn fetch_latest_server_version() -> Option<String> {
#[derive(Deserialize)]
struct NpmInfo {
versions: Vec<String>,
}
let output =
command("npm info vscode-json-languageserver --json").expect("could not run command");
let output = String::from_utf8(output).unwrap();
let mut info: NpmInfo = serde_json::from_str(&output).ok()?;
info.versions.pop()
}
#[export]
pub fn fetch_server_binary(container_dir: PathBuf, version: String) -> Result<PathBuf, String> {
let version_dir = container_dir.join(version.as_str());
fs::create_dir_all(&version_dir)
.map_err(|_| "failed to create version directory".to_string())?;
let binary_path = version_dir.join(SERVER_PATH);
if fs::metadata(&binary_path).is_err() {
let output = command(&format!(
"npm install vscode-json-languageserver@{}",
version
));
let output = output.map(String::from_utf8);
if output.is_none() {
return Err("failed to install vscode-json-languageserver".to_string());
}
if let Ok(entries) = fs::read_dir(&container_dir) {
for entry in entries.flatten() {
let entry_path = entry.path();
if entry_path.as_path() != version_dir {
fs::remove_dir_all(&entry_path).ok();
}
}
}
}
Ok(binary_path)
}
#[export]
pub fn cached_server_binary(container_dir: PathBuf) -> Option<PathBuf> {
let mut last_version_dir = None;
let entries = fs::read_dir(&container_dir).ok()?;
for entry in entries {
let entry = entry.ok()?;
if entry.file_type().ok()?.is_dir() {
last_version_dir = Some(entry.path());
}
}
let last_version_dir = last_version_dir?;
let server_path = last_version_dir.join(SERVER_PATH);
if server_path.exists() {
Some(server_path)
} else {
println!("no binary found");
None
}
}
#[export]
pub fn initialization_options() -> Option<String> {
Some("{ \"provideFormatter\": true }".to_string())
}
#[export]
pub fn language_ids() -> Vec<(String, String)> {
vec![("JSON".into(), "jsonc".into())]
}