tasks.json

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "type": "npm",
            "script": "dev",
            "group": {
                "kind": "build",
                "isDefault": true
            },
            "isBackground": true,
            "problemMatcher": {
                "owner": "webpack",
                "fileLocation": "relative",
                "pattern": {
                    "regexp": "^ERROR in (.*)$",
                    "file": 1
                },
                "background": {
                    "activeOnStart": true,
                    "beginsPattern": "Compiling...$",
                    "endsPattern": "(Failed to compile|Compiled successfully).$"
                }
            }
        },
        {
            "type": "npm",
            "script": "dev:debug",
            "group": "build",
            "isBackground": true,
            "problemMatcher": {
                "owner": "webpack",
                "fileLocation": "relative",
                "pattern": {
                    "regexp": "^ERROR in (.*)$",
                    "file": 1
                },
                "background": {
                    "activeOnStart": true,
                    "beginsPattern": "Compiling...$",
                    "endsPattern": "(Failed to compile|Compiled successfully).$"
                }
            }
        },
        {
            "type": "npm",
            "group": "build",
            "script": "build"
        }
    ]
}