137 lines
3.8 KiB
JavaScript
137 lines
3.8 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true,
|
|
});
|
|
exports.default = openDebuggerMiddleware;
|
|
var _url = _interopRequireDefault(require("url"));
|
|
var _getDevToolsFrontendUrl = _interopRequireDefault(
|
|
require("../utils/getDevToolsFrontendUrl")
|
|
);
|
|
function _interopRequireDefault(obj) {
|
|
return obj && obj.__esModule ? obj : { default: obj };
|
|
}
|
|
/**
|
|
* Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
*
|
|
* @format
|
|
* @oncall react_native
|
|
*/
|
|
|
|
const debuggerInstances = new Map();
|
|
/**
|
|
* Open the JavaScript debugger for a given CDP target (direct Hermes debugging).
|
|
*
|
|
* Currently supports Hermes targets, opening debugger websocket URL in Chrome
|
|
* DevTools.
|
|
*
|
|
* @see https://chromedevtools.github.io/devtools-protocol/
|
|
*/
|
|
function openDebuggerMiddleware({
|
|
serverBaseUrl,
|
|
logger,
|
|
browserLauncher,
|
|
eventReporter,
|
|
experiments,
|
|
inspectorProxy,
|
|
}) {
|
|
return async (req, res, next) => {
|
|
if (
|
|
req.method === "POST" ||
|
|
(experiments.enableOpenDebuggerRedirect && req.method === "GET")
|
|
) {
|
|
const { query } = _url.default.parse(req.url, true);
|
|
const { appId } = query;
|
|
const targets = inspectorProxy.getPageDescriptions().filter(
|
|
// Only use targets with better reloading support
|
|
(app) =>
|
|
app.title === "React Native Experimental (Improved Chrome Reloads)"
|
|
);
|
|
let target;
|
|
const launchType = req.method === "POST" ? "launch" : "redirect";
|
|
if (typeof appId === "string") {
|
|
logger?.info(
|
|
(launchType === "launch" ? "Launching" : "Redirecting to") +
|
|
" JS debugger (experimental)..."
|
|
);
|
|
target = targets.find((_target) => _target.description === appId);
|
|
} else {
|
|
logger?.info(
|
|
(launchType === "launch" ? "Launching" : "Redirecting to") +
|
|
" JS debugger for first available target..."
|
|
);
|
|
target = targets[0];
|
|
}
|
|
if (!target) {
|
|
res.writeHead(404);
|
|
res.end("Unable to find Chrome DevTools inspector target");
|
|
logger?.warn(
|
|
"No compatible apps connected. JavaScript debugging can only be used with the Hermes engine."
|
|
);
|
|
eventReporter?.logEvent({
|
|
type: "launch_debugger_frontend",
|
|
launchType,
|
|
status: "coded_error",
|
|
errorCode: "NO_APPS_FOUND",
|
|
});
|
|
return;
|
|
}
|
|
try {
|
|
switch (launchType) {
|
|
case "launch":
|
|
await debuggerInstances.get(appId)?.kill();
|
|
debuggerInstances.set(
|
|
appId,
|
|
await browserLauncher.launchDebuggerAppWindow(
|
|
(0, _getDevToolsFrontendUrl.default)(
|
|
experiments,
|
|
target.webSocketDebuggerUrl,
|
|
serverBaseUrl
|
|
)
|
|
)
|
|
);
|
|
res.end();
|
|
break;
|
|
case "redirect":
|
|
res.writeHead(302, {
|
|
Location: (0, _getDevToolsFrontendUrl.default)(
|
|
experiments,
|
|
target.webSocketDebuggerUrl,
|
|
// Use a relative URL.
|
|
""
|
|
),
|
|
});
|
|
res.end();
|
|
break;
|
|
default:
|
|
}
|
|
eventReporter?.logEvent({
|
|
type: "launch_debugger_frontend",
|
|
launchType,
|
|
status: "success",
|
|
appId,
|
|
});
|
|
return;
|
|
} catch (e) {
|
|
logger?.error(
|
|
"Error launching JS debugger: " + e.message ?? "Unknown error"
|
|
);
|
|
res.writeHead(500);
|
|
res.end();
|
|
eventReporter?.logEvent({
|
|
type: "launch_debugger_frontend",
|
|
launchType,
|
|
status: "error",
|
|
error: e,
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
next();
|
|
};
|
|
}
|