Close Tabs to the Left

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "author": "Erik Humphrey",
    "action": {
        "default_icon": {
            "32": "images\/icon_32.png",
            "48": "images\/icon_48.png",
            "128": "images\/icon_128.png"
        },
        "default_title": "Close tabs to the left"
    },
    "background": {
        "service_worker": "TabCloseScript.js"
    },
    "description": "Adds a button to close all tabs to the left of the current tab.",
    "icons": {
        "32": "images\/icon_32.png",
        "48": "images\/icon_48.png",
        "128": "images\/icon_128.png"
    },
    "manifest_version": 3,
    "name": "Close Tabs to the Left",
    "short_name": "Close Left",
    "version": "1.2.1"
}