problemMatcher $tsc-watch ignores error second time around #34412
Description
- VSCode Version: Code 1.16.1 (27492b6, 2017-09-14T16:24:39.530Z)
- OS Version: Darwin x64 15.6.0
- typescript version: 2.5.2
Given the following tasks.json which finds all typescript errors in project
// tasks.json
{
"version": "2.0.0",
"tasks": [
{
"taskName": "tsc-watch",
"type": "shell",
"command": "./node_modules/.bin/tsc",
"args": ["--noEmit", "-w", "-p", "."],
"presentation": {
"echo": true,
"reveal": "silent",
"focus": false,
"panel": "shared"
},
"group":{
"kind": "build",
"isDefault": true
},
"isBackground": true,
"problemMatcher": "$tsc-watch"
}
]
}
an index.ts file:
// index.ts
import related from './related';
console.log(related(1))
an related.ts file:
// related.ts
export default function related(thing: number) {
return thing
}
Steps to reproduce.
- Open related.ts without index.ts open.
- Change
thing: numbertothing: string= vscode correctly shows 1 error - Undo change = vscode correctly shows 0 errors
- Redo change in Step 2 = vscode incorrectly still shows 0 errors