external-url-loader/dist/options.json

A loader for webpack that permit static's usage as externals

{
    "type": "object",
    "properties": {
        "packageName": {
            "type": "string"
        },
        "active": {
            "type": "boolean"
        },
        "extractCss": {
            "type": "boolean"
        }
    },
    "additionalProperties": true
}