Microsoft/TypeScript

Port from old compiler code to emit compilation flags into the source map

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#2,858 建立於 2015年4月22日

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描述

The 1.0 (or 1.1) compiler emitted the compilation flags into the source map. We added this for hypothetical tooling scenarios, where browser tools could trigger a simple recompilation of a file discovered by a source map, in the case where it was live edited.

This is not a high priority as those scenarios aren't currently planned, but perhaps it would be a simple port of work already done.

貢獻者指南

技術棧
typescript
領域
tooling
議題類型
feature
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。
4
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。
1-2 days
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。
needs investigation
前置要求
TypeScript compiler internalssource mapsgit history
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。
30
研究方向
This issue involves porting an old feature from TypeScript 1.0/1.1 that emitted compilation flags into source maps. The contributor should search the git history for the original implementation, likely in the compiler source files such as src/compiler/. The current source map generation code is in src/compiler/emitter.ts or similar. The maintainer's comment says it might be a simple port, but details are sparse. The contributor should first understand how compilation flags are stored and then modify the source map emitter to include them, ensuring backward compatibility.