1use adapters::latest_github_release;
  2use gpui::AsyncApp;
  3use regex::Regex;
  4use std::path::PathBuf;
  5use task::{DebugRequestType, DebugTaskDefinition};
  6
  7use crate::*;
  8
  9#[derive(Debug)]
 10pub(crate) struct JsDebugAdapter {
 11    attach_processes: Regex,
 12}
 13
 14impl Default for JsDebugAdapter {
 15    fn default() -> Self {
 16        Self {
 17            attach_processes: Regex::new(r"(?i)^(?:node|bun|iojs)(?:$|\b)")
 18                .expect("Regex compilation to succeed"),
 19        }
 20    }
 21}
 22impl JsDebugAdapter {
 23    const ADAPTER_NAME: &'static str = "JavaScript";
 24    const ADAPTER_NPM_NAME: &'static str = "vscode-js-debug";
 25    const ADAPTER_PATH: &'static str = "js-debug/src/dapDebugServer.js";
 26}
 27
 28#[async_trait(?Send)]
 29impl DebugAdapter for JsDebugAdapter {
 30    fn name(&self) -> DebugAdapterName {
 31        DebugAdapterName(Self::ADAPTER_NAME.into())
 32    }
 33
 34    async fn fetch_latest_adapter_version(
 35        &self,
 36        delegate: &dyn DapDelegate,
 37    ) -> Result<AdapterVersion> {
 38        let release = latest_github_release(
 39            &format!("{}/{}", "microsoft", Self::ADAPTER_NPM_NAME),
 40            true,
 41            false,
 42            delegate.http_client(),
 43        )
 44        .await?;
 45
 46        let asset_name = format!("js-debug-dap-{}.tar.gz", release.tag_name);
 47
 48        Ok(AdapterVersion {
 49            tag_name: release.tag_name,
 50            url: release
 51                .assets
 52                .iter()
 53                .find(|asset| asset.name == asset_name)
 54                .ok_or_else(|| anyhow!("no asset found matching {:?}", asset_name))?
 55                .browser_download_url
 56                .clone(),
 57        })
 58    }
 59
 60    async fn get_installed_binary(
 61        &self,
 62        delegate: &dyn DapDelegate,
 63        config: &DebugAdapterConfig,
 64        user_installed_path: Option<PathBuf>,
 65        _: &mut AsyncApp,
 66    ) -> Result<DebugAdapterBinary> {
 67        let adapter_path = if let Some(user_installed_path) = user_installed_path {
 68            user_installed_path
 69        } else {
 70            let adapter_path = paths::debug_adapters_dir().join(self.name().as_ref());
 71
 72            let file_name_prefix = format!("{}_", self.name());
 73
 74            util::fs::find_file_name_in_dir(adapter_path.as_path(), |file_name| {
 75                file_name.starts_with(&file_name_prefix)
 76            })
 77            .await
 78            .ok_or_else(|| anyhow!("Couldn't find JavaScript dap directory"))?
 79        };
 80
 81        let Some(tcp_connection) = config.tcp_connection.clone() else {
 82            anyhow::bail!(
 83                "Javascript Debug Adapter expects tcp connection arguments to be provided"
 84            );
 85        };
 86        let (host, port, timeout) = crate::configure_tcp_connection(tcp_connection).await?;
 87
 88        Ok(DebugAdapterBinary {
 89            command: delegate
 90                .node_runtime()
 91                .binary_path()
 92                .await?
 93                .to_string_lossy()
 94                .into_owned(),
 95            arguments: Some(vec![
 96                adapter_path.join(Self::ADAPTER_PATH).into(),
 97                port.to_string().into(),
 98                host.to_string().into(),
 99            ]),
100            cwd: None,
101            envs: None,
102            connection: Some(adapters::TcpArguments {
103                host,
104                port,
105                timeout,
106            }),
107        })
108    }
109
110    async fn install_binary(
111        &self,
112        version: AdapterVersion,
113        delegate: &dyn DapDelegate,
114    ) -> Result<()> {
115        adapters::download_adapter_from_github(
116            self.name(),
117            version,
118            adapters::DownloadedFileType::GzipTar,
119            delegate,
120        )
121        .await?;
122
123        return Ok(());
124    }
125
126    fn request_args(&self, config: &DebugTaskDefinition) -> Value {
127        let mut args = json!({
128            "type": "pwa-node",
129            "request": match config.request {
130                DebugRequestType::Launch(_) => "launch",
131                DebugRequestType::Attach(_) => "attach",
132            },
133        });
134        let map = args.as_object_mut().unwrap();
135        match &config.request {
136            DebugRequestType::Attach(attach) => {
137                map.insert("processId".into(), attach.process_id.into());
138            }
139            DebugRequestType::Launch(launch) => {
140                map.insert("program".into(), launch.program.clone().into());
141                map.insert(
142                    "cwd".into(),
143                    launch
144                        .cwd
145                        .as_ref()
146                        .map(|s| s.to_string_lossy().into_owned())
147                        .into(),
148                );
149            }
150        }
151        args
152    }
153
154    fn attach_processes_filter(&self) -> Regex {
155        self.attach_processes.clone()
156    }
157}