add devtools client for other libs to listen to

examples/react/basic/src/package-json-panel.tsx

@@ -0,0 +1,309 @@
+import { devtoolsEventClient } from '@tanstack/devtools-vite/client'
+import { useEffect, useState } from 'react'
+import type { CSSProperties } from 'react'
+
+export const PackageJsonPanel = () => {
+  const [packageJson, setPackageJson] = useState<any>(null)
+  const [outdatedDeps, setOutdatedDeps] = useState<
+    Record<
+      string,
+      {
+        current: string
+        wanted: string
+        latest: string
+        type?: 'dependencies' | 'devDependencies'
+      }
+    >
+  >({})
+
+  useEffect(() => {
+    devtoolsEventClient.emit('mounted', undefined as any)
+    const off = devtoolsEventClient.on('ready', (event) => {
+      setPackageJson(event.payload.packageJson)
+      setOutdatedDeps(event.payload.outdatedDeps || {})
+    })
+    return () => {
+      off?.()
+    }
+  }, [])
+
+  const hasOutdated = Object.keys(outdatedDeps || {}).length > 0
+
+  // Helpers
+  const stripRange = (v?: string) => (v ?? '').replace(/^[~^><=v\s]*/, '')
+  const parseSemver = (v?: string) => {
+    const s = stripRange(v)
+    const m = s.match(/^(\d+)\.(\d+)\.(\d+)/)
+    if (!m) return null
+    return { major: +m[1], minor: +m[2], patch: +m[3] }
+  }
+  const diffType = (
+    current?: string,
+    latest?: string,
+  ): 'major' | 'minor' | 'patch' | null => {
+    const c = parseSemver(current)
+    const l = parseSemver(latest)
+    if (!c || !l) return null
+    if (l.major > c.major) return 'major'
+    if (l.major === c.major && l.minor > c.minor) return 'minor'
+    if (l.major === c.major && l.minor === c.minor && l.patch > c.patch)
+      return 'patch'
+    return null
+  }
+  const diffColor: Record<'major' | 'minor' | 'patch', string> = {
+    major: '#ef4444',
+    minor: '#f59e0b',
+    patch: '#10b981',
+  }
+
+  const containerStyle: CSSProperties = { padding: 10 }
+  const metaStyle: CSSProperties = {
+    display: 'grid',
+    gridTemplateColumns: 'auto 1fr',
+    gap: 6,
+    marginBottom: 8,
+  }
+  const sectionStyle: CSSProperties = {
+    margin: '8px 0',
+    padding: '8px',
+    border: '1px solid #444',
+    borderRadius: 6,
+  }
+  const tableStyle: CSSProperties = {
+    width: '100%',
+    borderCollapse: 'collapse',
+  }
+  const thtd: CSSProperties = {
+    borderBottom: '1px solid #333',
+    padding: '4px 6px',
+    textAlign: 'left',
+  }
+  const badge = (text: string, color: string) => (
+    <span
+      style={{
+        background: color,
+        color: '#fff',
+        borderRadius: 4,
+        padding: '1px 4px',
+        fontSize: 11,
+      }}
+    >
+      {text}
+    </span>
+  )
+  const btn = (
+    label: string,
+    onClick: () => void,
+    variant: 'primary' | 'ghost' = 'primary',
+  ) => (
+    <button
+      onClick={onClick}
+      style={{
+        padding: '2px 6px',
+        borderRadius: 5,
+        border:
+          variant === 'primary' ? '1px solid #6d28d9' : '1px solid transparent',
+        cursor: 'pointer',
+        background: variant === 'primary' ? '#7c3aed' : 'transparent',
+        color: variant === 'primary' ? '#fff' : '#7c3aed',
+        fontSize: 12,
+      }}
+    >
+      {label}
+    </button>
+  )
+
+  const VersionCell = ({
+    dep,
+    specified,
+  }: {
+    dep: string
+    specified: string
+  }) => {
+    const info = outdatedDeps[dep]
+    const current = info?.current ?? specified
+    const latest = info?.latest
+    const dt = info ? diffType(current, latest) : null
+    return (
+      <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
+        <span>{current}</span>
+        {dt && latest ? (
+          <span
+            style={{ display: 'inline-flex', alignItems: 'center', gap: 4 }}
+          >
+            <span style={{ opacity: 0.6 }}>→</span>
+            {badge(`latest ${latest}`, diffColor[dt])}
+          </span>
+        ) : null}
+      </div>
+    )
+  }
+
+  const UpgradeRowActions = ({ name }: { name: string }) => {
+    const info = outdatedDeps[name]
+    if (!info) return null
+    return (
+      <div style={{ display: 'flex', gap: 6 }}>
+        {btn('Wanted', () =>
+          (devtoolsEventClient as any).emit('upgrade-dependency', {
+            name,
+            target: info.wanted,
+          } as any),
+        )}
+        {btn(
+          'Latest',
+          () =>
+            (devtoolsEventClient as any).emit('upgrade-dependency', {
+              name,
+              target: info.latest,
+            } as any),
+          'ghost',
+        )}
+      </div>
+    )
+  }
+
+  const makeLists = (names?: string[]) => {
+    const entries = Object.entries(outdatedDeps).filter(
+      ([n]) => !names || names.includes(n),
+    )
+    const wantedList = entries.map(([name, info]) => ({
+      name,
+      target: info.wanted,
+    }))
+    const latestList = entries.map(([name, info]) => ({
+      name,
+      target: info.latest,
+    }))
+    return { wantedList, latestList }
+  }
+
+  const BulkActions = ({ names }: { names?: string[] }) => {
+    const { wantedList, latestList } = makeLists(names)
+    if (wantedList.length === 0 && latestList.length === 0) return null
+    return (
+      <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap' }}>
+        {btn('All → wanted', () =>
+          (devtoolsEventClient as any).emit('upgrade-dependencies-bulk', {
+            list: wantedList,
+          } as any),
+        )}
+        {btn(
+          'All → latest',
+          () =>
+            (devtoolsEventClient as any).emit('upgrade-dependencies-bulk', {
+              list: latestList,
+            } as any),
+          'ghost',
+        )}
+      </div>
+    )
+  }
+
+  const renderDeps = (title: string, deps?: Record<string, string>) => {
+    const names = Object.keys(deps || {})
+    const someOutdatedInSection = names.some((n) => !!outdatedDeps[n])
+    return (
+      <div style={sectionStyle}>
+        <div
+          style={{
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'space-between',
+            gap: 6,
+          }}
+        >
+          <h3 style={{ margin: 0, fontSize: 14 }}>{title}</h3>
+          {someOutdatedInSection ? <BulkActions names={names} /> : null}
+        </div>
+        <table style={tableStyle}>
+          <thead>
+            <tr>
+              <th style={thtd}>Package</th>
+              <th style={thtd}>Version</th>
+              <th style={thtd}>Status</th>
+              <th style={thtd}>Actions</th>
+            </tr>
+          </thead>
+          <tbody>
+            {Object.entries(deps || {}).map(([dep, version]) => {
+              const info = outdatedDeps[dep]
+              const isOutdated = !!info && info.current !== info.latest
+              return (
+                <tr key={dep}>
+                  <td style={thtd}>{dep}</td>
+                  <td style={thtd}>
+                    <VersionCell dep={dep} specified={version as string} />
+                  </td>
+                  <td style={thtd}>
+                    {isOutdated
+                      ? badge('Outdated', '#e11d48')
+                      : badge('OK', '#10b981')}
+                  </td>
+                  <td style={thtd}>
+                    {isOutdated ? <UpgradeRowActions name={dep} /> : null}
+                  </td>
+                </tr>
+              )
+            })}
+          </tbody>
+        </table>
+      </div>
+    )
+  }
+
+  return (
+    <div style={containerStyle}>
+      <h2 style={{ margin: '0 0 8px 0', fontSize: 16 }}>Package.json</h2>
+      {packageJson ? (
+        <div style={{ display: 'flex', flexDirection: 'column', gap: 8 }}>
+          <div style={sectionStyle}>
+            <h3 style={{ marginTop: 0, marginBottom: 6, fontSize: 14 }}>
+              Package info
+            </h3>
+            <div style={metaStyle}>
+              <div>
+                <strong>Name</strong>
+              </div>
+              <div>{packageJson.name}</div>
+              <div>
+                <strong>Version</strong>
+              </div>
+              <div>v{packageJson.version}</div>
+              <div>
+                <strong>Description</strong>
+              </div>
+              <div>{packageJson.description}</div>
+              <div>
+                <strong>Author</strong>
+              </div>
+              <div>{packageJson.author}</div>
+              <div>
+                <strong>License</strong>
+              </div>
+              <div>{packageJson.license}</div>
+              <div>
+                <strong>Repository</strong>
+              </div>
+              <div>{packageJson.repository?.url || packageJson.repository}</div>
+            </div>
+          </div>
+          {renderDeps('Dependencies', packageJson.dependencies)}
+          {renderDeps('Dev Dependencies', packageJson.devDependencies)}
+          <div style={sectionStyle}>
+            <h3 style={{ marginTop: 0, marginBottom: 6, fontSize: 14 }}>
+              Outdated (All)
+            </h3>
+            {hasOutdated ? (
+              <BulkActions />
+            ) : (
+              <p style={{ margin: 0 }}>All dependencies are up to date.</p>
+            )}
+          </div>
+        </div>
+      ) : (
+        <p style={{ margin: 0 }}>No package.json data available</p>
+      )}
+    </div>
+  )
+}

examples/react/basic/src/setup.tsx

@@ -9,6 +9,7 @@ import {
   createRouter,
 } from '@tanstack/react-router'
 import { TanStackDevtools } from '@tanstack/react-devtools'
+import { PackageJsonPanel } from './package-json-panel'
 
 const rootRoute = createRootRoute({
   component: () => (
@@ -72,6 +73,10 @@ export default function DevtoolsExample() {
             name: 'TanStack Router',
             render: <TanStackRouterDevtoolsPanel router={router} />,
           },
+          {
+            name: 'Package.json',
+            render: () => <PackageJsonPanel />,
+          },
           /* {
             name: "The actual app",
             render: <iframe style={{ width: '100%', height: '100%' }} src="http://localhost:3005" />,

examples/react/basic/vite.config.ts

@@ -10,6 +10,7 @@ export default defineConfig({
     devtools({
       removeDevtoolsOnBuild: true,
     }),
+
     Inspect(),
     sonda(),
     react({

packages/devtools-vite/package.json

@@ -27,6 +27,12 @@
         "default": "./dist/esm/index.js"
       }
     },
+    "./client": {
+      "import": {
+        "types": "./dist/esm/client.d.ts",
+        "default": "./dist/esm/client.js"
+      }
+    },
     "./package.json": "./package.json"
   },
   "sideEffects": false,
@@ -56,6 +62,7 @@
     "@babel/parser": "^7.28.3",
     "@babel/traverse": "^7.28.3",
     "@babel/types": "^7.28.2",
+    "@tanstack/devtools-event-client": "workspace:*",
     "@tanstack/devtools-event-bus": "workspace:*",
     "chalk": "^5.6.0",
     "launch-editor": "^2.11.1"

packages/devtools-vite/src/client.ts

@@ -0,0 +1 @@
+export { devtoolsEventClient } from './event'

packages/devtools-vite/src/event.ts

@@ -0,0 +1,37 @@
+import { EventClient } from '@tanstack/devtools-event-client'
+
+interface EventMap {
+  'tanstack-devtools-vite:ready': {
+    packageJson: {
+      name?: string
+      version?: string
+      dependencies?: Record<string, string>
+      devDependencies?: Record<string, string>
+      peerDependencies?: Record<string, string>
+      [key: string]: any
+    } | null
+    outdatedDeps: Record<
+      string,
+      {
+        current: string
+        wanted: string
+        latest: string
+        dependent: string
+        location: string
+      }
+    > | null
+  }
+  'tanstack-devtools-vite:mounted': void
+}
+
+export class DevtoolsEventClient extends EventClient<EventMap> {
+  constructor() {
+    super({
+      pluginId: 'tanstack-devtools-vite',
+    })
+  }
+}
+
+const devtoolsEventClient = new DevtoolsEventClient()
+
+export { devtoolsEventClient }