next/dist/esm/server/lib/chrome-devtools-workspace.js

The React Framework

import { randomUUID } from 'crypto';
import * as fs from 'fs';
import * as path from 'path';
import { getStorageDirectory } from '../cache-dir';
// Keep the uuid in memory as it should never change during the lifetime of the server.
let workspaceUUID = null;
export function isChromeDevtoolsWorkspaceUrl(url) {
    return url.pathname === '/.well-known/appspecific/com.chrome.devtools.json';
}
export async function handleChromeDevtoolsWorkspaceRequest(response, opts, config) {
    response.setHeader('Content-Type', 'application/json');
    response.end(JSON.stringify(await getChromeDevtoolsWorkspace(opts.dir, config.distDir), null, 2));
}
/**
 * For https://developer.chrome.com/docs/devtools/workspaces
 */ async function getChromeDevtoolsWorkspace(root, configDistDir) {
    if (workspaceUUID === null) {
        const distDir = path.join(root, configDistDir);
        const cacheBaseDir = getStorageDirectory(distDir);
        if (cacheBaseDir === undefined) {
            workspaceUUID = randomUUID();
        } else {
            const cachedUUIDPath = path.join(cacheBaseDir, 'chrome-devtools-workspace-uuid');
            try {
                workspaceUUID = await fs.promises.readFile(cachedUUIDPath, 'utf8');
            } catch  {
                // TODO: Why does this need to be v4 and not v5?
                // With v5 we could base it off of the `distDir` and `root` which would
                // allow us to persist the workspace across .next wipes.
                workspaceUUID = randomUUID();
                try {
                    await fs.promises.writeFile(cachedUUIDPath, workspaceUUID, 'utf8');
                } catch (cause) {
                    console.warn(Object.defineProperty(new Error('Failed to persist Chrome DevTools workspace UUID. The Chrome DevTools Workspace needs to be reconnected after the next page reload.', {
                        cause
                    }), "__NEXT_ERROR_CODE", {
                        value: "E708",
                        enumerable: false,
                        configurable: true
                    }));
                }
            }
        }
    }
    return {
        workspace: {
            uuid: workspaceUUID,
            root
        }
    };
}

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