[Bug]: when using latest VS Code extension with old Compiler, some lsp feature for "tspconfig.yaml" don't work properly

[RodgeFu]

Describe the bug

Some lsp feature of "tspconfig.yaml" doesn't work properly in VSCode with latest extension because the latest extension expects the compiler can provide these functionalities which isn't available in old compiler

Workaround: upgrade to the latest compiler

i.e. the highlight of comment:

i.e. internal compiler error would be reported for tspconfig.yaml because old compiler would try to compile the tspconfig.yaml file:

Reproduction

use latest vscode extension against old compiler

Checklist

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• The provided reproduction is a minimal reproducible example of the bug.