Debug TypeScript

.vscode-launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "node",
            "request": "launch",
            "name": "Mocha Tests (currently opened test)",
            "runtimeArgs": ["--nolazy"],
            "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
            "args": [
                "-u",
                "bdd",
                "--no-timeouts",
                "--colors",
                "built/local/run.js",
                "-f",
                // You can change this to be the name of a specific test file (without the file extension)
                // to consistently launch the same test
                "${fileBasenameNoExtension}",
                "--skip-percent",
                "0"
            ],
            "env": {
                "NODE_ENV": "testing"
            },
            "outFiles": [
                "${workspaceFolder}/built/**/*.js",
                "${workspaceFolder}/built/**/*.mjs",
                "${workspaceFolder}/built/**/*.cjs",
                "!**/node_modules/**"
            ],
            "preLaunchTask": "npm: build:tests",
            "console": "integratedTerminal",
            "customDescriptionGenerator": "'__tsDebuggerDisplay' in this ? this.__tsDebuggerDisplay(defaultValue) : defaultValue"
        },
        {
            // See: https://github.com/microsoft/TypeScript/wiki/Debugging-Language-Service-in-VS-Code
            "type": "node",
            "request": "attach",
            "name": "Attach to VS Code TS Server via Port",
            "processId": "${command:PickProcess}",
            "customDescriptionGenerator": "'__tsDebuggerDisplay' in this ? this.__tsDebuggerDisplay(defaultValue) : defaultValue",
            "outFiles": ["${workspaceFolder}/built/local/*.js", "!**/node_modules/**"],
            "port": 5667
        },
        {
            "type": "node",
            "name": "Launch VSCode",
            "request": "launch",
            "runtimeExecutable": "${execPath}",
            "args": ["--user-data-dir=${workspaceFolder}/.vscode/.vscode-debug", "${workspaceFolder}/../vscode-debug"],
            "env": {
                "TSS_DEBUG": "5667",
                "NODE_ENV": "development"
            }
        }
    ]
}

vscode debug profile settings.json

{
    // Use the TypeScript debug build. Change to your repo if it is not the case.
    "typescript.tsdk": "../TypeScript/built/local",
    // The following two options are intended to disable the extra process started so we can attach to the target faster (only 1 result after filter with "local")
    "typescript.tsserver.useSyntaxServer": "never",
    "typescript.disableAutomaticTypeAcquisition": true,
    "window.zoomLevel": 1,
    "editor.suggestSelection": "first",
    "vsintellicode.modify.editor.suggestSelection": "automaticallyOverrodeDefaultValue",
    "workbench.colorTheme": "Quiet Light"
}

vscode-debug-package.json

{
    "scripts": {
        "start": "node ../TypeScript/built/local/tsc.js -w -p .",
        "build": "node ../TypeScript/built/local/tsc.js -p ."
    }
}