third_party/devtools/front_end/js_main/module.json

{
    "extensions": [
        {
            "type": "early-initialization",
            "className": "JsMain.JsMain"
        }
    ],
    "dependencies": [
        "components"
    ],
    "scripts": [],
    "modules": [
        "js_main.js",
        "JsMain.js"
    ]
}