For Visual Studio Code builds. Goes into .vscode directory.

tasks.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "Build ESP8266 Debug",
            "type": "shell",
            "group": {
                "kind": "build",
                "isDefault": true
            },
            "presentation": {
                "reveal": "always",
                "panel": "dedicated",
                "clear": true,
                "showReuseMessage": false
            },
            "command": "mcconfig -m -d -p esp/nodemcu",
            "windows": {
                "options": {
                    "shell": {
                        "args": [
                            "/C",
                            "\"C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Auxiliary\\Build\\vcvars32.bat\"",
                            "x64",
                            "&&"
                        ],
                        "executable": "c:\\Windows\\System32\\cmd.exe"
                    },
                    "env": {
                        "UPLOAD_PORT": "COM11"
                    }
                }
            },
            "problemMatcher": []
        },
        {
            "label": "Build ESP32 Debug",
            "type": "shell",
            "group": {
                "kind": "build",
                "isDefault": true
            },
            "presentation": {
                "reveal": "always",
                "panel": "dedicated",
                "clear": true,
                "showReuseMessage": false
            },
            "command": "mcconfig -m -d -p esp32/nodemcu",
            "windows": {
                "options": {
                    "shell": {
                        "args": [
                            "/C",
                            "\"C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Auxiliary\\Build\\vcvars32.bat\"",
                            "x64",
                            "&&"
                        ],
                        "executable": "c:\\Windows\\System32\\cmd.exe"
                    },
                    "env": {
                        "UPLOAD_PORT": "COM11"
                    }
                }
            },
            "problemMatcher": []
        }
    ]
}