Server keeps crashing because of attempting to map over undefined

[Powersource]

Vue - Official extension or vue-tsc version

Vue - Official version 3.0.0-alpha.6

VSCode version

1.98.2

Vue version

3.5.13

TypeScript version

vue-tsc 2.2.8

System Info

Vscode info:


Version: 1.98.2
Commit: ddc367ed5c8936efe395cffeec279b04ffd7db78
Date: 2025-03-14T20:56:55.540Z
Electron: 34.3.2
ElectronBuildId: undefined
Chromium: 132.0.6834.210
Node.js: 20.18.3
V8: 13.2.152.41-electron.0
OS: Linux x64 6.13.8-arch1-1

package.json dependencies

Steps to reproduce

Open my editor, wait a few seconds.

What is expected?

The extension to work as normal (it did yesterday)

What is actually happening?

TypeError: Cannot read properties of undefined (reading 'map')
    at ca (/home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/getPropertiesAtLocation-D4dzqf-d.js:233:9301)
    at <instance_members_initializer> (/home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/getPropertiesAtLocation-D4dzqf-d.js:233:17203)
    at new Sa (/home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/getPropertiesAtLocation-D4dzqf-d.js:233:17567)
    at Object.createVirtualCode (/home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/getPropertiesAtLocation-D4dzqf-d.js:233:18515)
    at Object.set (/home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/getPropertiesAtLocation-D4dzqf-d.js:1:9722)
    at /home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/server.js:13300:6331
    at Object.get (/home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/getPropertiesAtLocation-D4dzqf-d.js:1:8684)
    at Object.getDiagnostics (/home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/server.js:1:68352)
    at /home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/server.js:19:45010
    at Immediate.<anonymous> (/home/me/.vscode-oss/extensions/vue.volar-3.0.0-alpha.6-universal/dist/server.js:19:47151)

Node.js v20.18.3
[Error - 1:32:39 PM] Server process exited with code 1.
[Error - 1:32:39 PM] The Vue server crashed 5 times in the last 3 minutes. The server will not be restarted. See the output for more information.

Link to minimal reproduction

No response

Any additional comments?

No response

[KazariEX]

#5261 (comment)