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feature(dev-middleware): add enableNetworkInspector experiment #41787

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byCedric wants to merge 3 commits into from
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feature(dev-middleware): add enableNetworkInspector experiment #41787

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47fad1a
feature(dev-middleware): add `enableNetworkInspector` experiment
byCedric Dec 4, 2023
290179f
fix(dev-middleware): prefer `boolean` over `Boolean`
byCedric Dec 7, 2023
6cc383a
docs(dev-middleware): make description more generic
byCedric Dec 7, 2023
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1 change: 1 addition & 0 deletions packages/dev-middleware/src/createDevMiddleware.js
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Original file line number Diff line number Diff line change
Expand Up @@ -126,5 +126,6 @@ function getExperiments(config: ExperimentsConfig): Experiments {
return {
enableNewDebugger: config.enableNewDebugger ?? false,
enableOpenDebuggerRedirect: config.enableOpenDebuggerRedirect ?? false,
enableNetworkInspector: config.enableNetworkInspector ?? false,
};
}
3 changes: 3 additions & 0 deletions packages/dev-middleware/src/middleware/openDebuggerMiddleware.js
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Expand Up @@ -64,6 +64,7 @@ export default function openDebuggerMiddleware({
app =>
app.title === 'React Native Experimental (Improved Chrome Reloads)',
);

let target;

const launchType: 'launch' | 'redirect' =
Expand Down Expand Up @@ -117,6 +118,7 @@ export default function openDebuggerMiddleware({
frontendInstanceId,
await browserLauncher.launchDebuggerAppWindow(
getDevToolsFrontendUrl(
experiments,
target.webSocketDebuggerUrl,
serverBaseUrl,
),
Expand All @@ -127,6 +129,7 @@ export default function openDebuggerMiddleware({
case 'redirect':
res.writeHead(302, {
Location: getDevToolsFrontendUrl(
experiments,
target.webSocketDebuggerUrl,
// Use a relative URL.
'',
Expand Down
5 changes: 5 additions & 0 deletions packages/dev-middleware/src/types/Experiments.js
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Expand Up @@ -23,6 +23,11 @@ export type Experiments = $ReadOnly<{
* interface.
*/
enableOpenDebuggerRedirect: boolean,

/**
* Enables the Network panel when launching the custom debugger frontend.
*/
enableNetworkInspector: boolean,
}>;

export type ExperimentsConfig = Partial<Experiments>;
9 changes: 8 additions & 1 deletion packages/dev-middleware/src/utils/getDevToolsFrontendUrl.js
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Expand Up @@ -9,10 +9,13 @@
* @oncall react_native
*/

import type {Experiments} from '../types/Experiments';

/**
* Get the DevTools frontend URL to debug a given React Native CDP target.
*/
export default function getDevToolsFrontendUrl(
experiments: Experiments,
webSocketDebuggerUrl: string,
devServerUrl: string,
): string {
Expand All @@ -22,5 +25,9 @@ export default function getDevToolsFrontendUrl(
webSocketDebuggerUrl.replace(/^wss?:\/\//, ''),
);

return `${appUrl}?${scheme}=${webSocketUrlWithoutProtocol}&sources.hide_add_folder=true`;
const devToolsUrl = `${appUrl}?${scheme}=${webSocketUrlWithoutProtocol}&sources.hide_add_folder=true`;

return experiments.enableNetworkInspector
? `${devToolsUrl}&unstable_enableNetworkPanel=true`
: devToolsUrl;
}