1use std::borrow::Cow;
 2
 3use anyhow::{Result, bail};
 4use async_trait::async_trait;
 5use dap::{DapLocator, DebugRequest, adapters::DebugAdapterName};
 6use gpui::SharedString;
 7
 8use task::{DebugScenario, SpawnInTerminal, TaskTemplate, VariableName};
 9
10pub(crate) struct NodeLocator;
11
12const TYPESCRIPT_RUNNER_VARIABLE: VariableName =
13    VariableName::Custom(Cow::Borrowed("TYPESCRIPT_RUNNER"));
14
15#[async_trait]
16impl DapLocator for NodeLocator {
17    fn name(&self) -> SharedString {
18        SharedString::new_static("Node")
19    }
20
21    /// Determines whether this locator can generate debug target for given task.
22    async fn create_scenario(
23        &self,
24        build_config: &TaskTemplate,
25        resolved_label: &str,
26        adapter: &DebugAdapterName,
27    ) -> Option<DebugScenario> {
28        if adapter.0.as_ref() != "JavaScript" {
29            return None;
30        }
31        if build_config.command != TYPESCRIPT_RUNNER_VARIABLE.template_value()
32            && build_config.command != "npm"
33            && build_config.command != "pnpm"
34            && build_config.command != "yarn"
35        {
36            return None;
37        }
38
39        let config = serde_json::json!({
40            "request": "launch",
41            "type": "pwa-node",
42            "args": build_config.args.clone(),
43            "cwd": build_config.cwd.clone(),
44            "runtimeExecutable": build_config.command.clone(),
45            "env": build_config.env.clone(),
46            "runtimeArgs": ["--inspect-brk"],
47            "console": "integratedTerminal",
48        });
49
50        Some(DebugScenario {
51            adapter: adapter.0.clone(),
52            label: resolved_label.to_string().into(),
53            build: None,
54            config,
55            tcp_connection: None,
56        })
57    }
58
59    async fn run(&self, _: SpawnInTerminal) -> Result<DebugRequest> {
60        bail!("JavaScript locator should not require DapLocator::run to be ran");
61    }
62}