eclipse-theia/theia

[vscode] language client cannot access configurations by first segment

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#6,344 建立於 2019年10月8日

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描述

It is reproducible with sample VS Code extension: https://github.com/microsoft/vscode-extension-samples/tree/master/lsp-sample

An extension should produce diagnostics for upper-case worlds, but it does not. By looking at logs one can see that the server fails with cannot read a property of null. It happens because Theia does not properly return a default value for the first segment, i.e. a language client id.

貢獻者指南

技術棧
typescriptnodejs
領域
backenddeveloper experience
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-3 hours
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
TypeScriptVS Code extension samplesLanguage Server Protocol basics
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
60
研究方向
The issue is reproducible using the standard LSP sample extension from VS Code. To fix, investigate how Theia's language client handles configuration requests, specifically the first segment of the configuration key. Compare with VS Code's implementation to understand the expected default value behavior. Focus on the code that processes configuration sections in the language client.