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Update problem-matchers.md (#735)

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Scott Moeller 2021-04-27 10:38:54 -04:00 committed by GitHub
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@ -110,6 +110,16 @@ The eslint-stylish problem matcher defined below catches that output, and create
The first pattern matches the `test.js` line and records the file information. This line is not decorated in the UI.
The second pattern loops through the remaining lines with `loop: true` until it fails to find a match, and surfaces these lines prominently in the UI.
Note that the pattern matches must be on consecutive lines. The following would not result in any match findings.
```
test.js
extraneous log line of no interest
1:0 error Missing "use strict" statement strict
5:10 error 'addOne' is defined but never used no-unused-vars
✖ 2 problems (2 errors, 0 warnings)
```
## Adding and Removing Problem Matchers
Problem Matchers are enabled and removed via the toolkit [commands](commands.md#problem-matchers).