ESLINT all files in editor using ESLINT

tasks.json

/*
Protip: Can be bound to a key binding! ;)

If you want to lint on a keybinding,
add this to 'keybindings.json':
{
    "key": "cmd+k cmd+l",
    "command": "workbench.action.tasks.runTask",
    "args": "Lint workspace",
    "when": "editorTextFocus"
}

settings:
* For windows change "command": "cmd"
* For windows change "args": ["/C"]
* Change './app' on line 18 to corresponding folder in your project
*/

{
    "version": "2.0.0",
    "command": "sh",
    "args": [ "-c" ], 
    
    "tasks": [
        {
            "presentation": {
                "echo": false,
                "reveal": "never",
                "focus": false,
                "panel": "shared"
            },
            "label": "Lint workspace",
            "type": "shell",
            "command": "eslint ./app --ext=\".js,.jsx\"",
            "problemMatcher": [
                "$eslint-stylish"
            ]
        }
    ]
}