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|
import * as vscode from "vscode";
import type { CancellationToken, DebugConfiguration, ProviderResult, WorkspaceFolder } from "vscode";
import type { DAP } from "../../../bun-debug-adapter-protocol";
import { DebugAdapter, UnixSignal } from "../../../bun-debug-adapter-protocol";
import { DebugSession } from "@vscode/debugadapter";
import { tmpdir } from "node:os";
const debugConfiguration: vscode.DebugConfiguration = {
type: "bun",
request: "launch",
name: "Debug Bun",
program: "${file}",
watch: false,
};
const runConfiguration: vscode.DebugConfiguration = {
type: "bun",
request: "launch",
name: "Run Bun",
program: "${file}",
debug: false,
watch: false,
};
const attachConfiguration: vscode.DebugConfiguration = {
type: "bun",
request: "attach",
name: "Attach Bun",
url: "ws://localhost:6499/",
};
let channels: Record<string, vscode.OutputChannel> = {};
let terminal: TerminalDebugSession | undefined;
export default function (context: vscode.ExtensionContext, factory?: vscode.DebugAdapterDescriptorFactory) {
context.subscriptions.push(
vscode.commands.registerCommand("extension.bun.runFile", RunFileCommand),
vscode.commands.registerCommand("extension.bun.debugFile", DebugFileCommand),
vscode.debug.registerDebugConfigurationProvider(
"bun",
new DebugConfigurationProvider(),
vscode.DebugConfigurationProviderTriggerKind.Initial,
),
vscode.debug.registerDebugConfigurationProvider(
"bun",
new DebugConfigurationProvider(),
vscode.DebugConfigurationProviderTriggerKind.Dynamic,
),
vscode.debug.registerDebugAdapterDescriptorFactory("bun", factory ?? new InlineDebugAdapterFactory()),
(channels["dap"] = vscode.window.createOutputChannel("Debug Adapter Protocol (Bun)")),
(channels["jsc"] = vscode.window.createOutputChannel("JavaScript Inspector (Bun)")),
(channels["console"] = vscode.window.createOutputChannel("Console (Bun)")),
(terminal = new TerminalDebugSession()),
);
}
function RunFileCommand(resource?: vscode.Uri): void {
const path = getCurrentPath(resource);
if (path) {
vscode.debug.startDebugging(undefined, {
...runConfiguration,
noDebug: true,
program: path,
});
}
}
function DebugFileCommand(resource?: vscode.Uri): void {
const path = getCurrentPath(resource);
if (path) {
vscode.debug.startDebugging(undefined, {
...debugConfiguration,
program: path,
});
}
}
class DebugConfigurationProvider implements vscode.DebugConfigurationProvider {
provideDebugConfigurations(folder: WorkspaceFolder | undefined): ProviderResult<DebugConfiguration[]> {
return [debugConfiguration, runConfiguration, attachConfiguration];
}
resolveDebugConfiguration(
folder: WorkspaceFolder | undefined,
config: DebugConfiguration,
token?: CancellationToken,
): ProviderResult<DebugConfiguration> {
let target: DebugConfiguration;
const { request } = config;
if (request === "attach") {
target = attachConfiguration;
} else {
target = debugConfiguration;
}
for (const [key, value] of Object.entries(target)) {
if (config[key] === undefined) {
config[key] = value;
}
}
return config;
}
}
class InlineDebugAdapterFactory implements vscode.DebugAdapterDescriptorFactory {
createDebugAdapterDescriptor(session: vscode.DebugSession): ProviderResult<vscode.DebugAdapterDescriptor> {
const { configuration } = session;
const { request, url } = configuration;
if (request === "attach" && url === terminal?.adapter.url) {
return new vscode.DebugAdapterInlineImplementation(terminal);
}
const adapter = new FileDebugSession(session.id);
return new vscode.DebugAdapterInlineImplementation(adapter);
}
}
class FileDebugSession extends DebugSession {
readonly adapter: DebugAdapter;
readonly signal: UnixSignal;
constructor(sessionId?: string) {
super();
const uniqueId = sessionId ?? Math.random().toString(36).slice(2);
this.adapter = new DebugAdapter(`ws+unix://${tmpdir()}/${uniqueId}.sock`);
this.adapter.on("Adapter.response", response => this.sendResponse(response));
this.adapter.on("Adapter.event", event => this.sendEvent(event));
this.signal = new UnixSignal();
}
handleMessage(message: DAP.Event | DAP.Request | DAP.Response): void {
const { type } = message;
if (type === "request") {
this.adapter.emit("Adapter.request", message);
} else {
throw new Error(`Not supported: ${type}`);
}
}
dispose() {
this.adapter.close();
}
}
class TerminalDebugSession extends FileDebugSession {
readonly terminal: vscode.Terminal;
constructor() {
super();
this.terminal = vscode.window.createTerminal({
name: "Bun Terminal",
env: {
"BUN_INSPECT": `1${this.adapter.url}`,
"BUN_INSPECT_NOTIFY": `${this.signal.url}`,
},
isTransient: true,
iconPath: new vscode.ThemeIcon("debug-console"),
});
this.terminal.show();
this.signal.on("Signal.received", () => {
vscode.debug.startDebugging(undefined, {
...attachConfiguration,
url: this.adapter.url,
});
});
}
}
function isJavaScript(languageId: string): boolean {
return (
languageId === "javascript" ||
languageId === "javascriptreact" ||
languageId === "typescript" ||
languageId === "typescriptreact"
);
}
function getCurrentPath(target?: vscode.Uri): string | undefined {
if (!target && vscode.window.activeTextEditor) {
target = vscode.window.activeTextEditor.document.uri;
}
return target?.fsPath;
}
|
