dotfiles/neovim/.config/nvim/coc-settings.json

{
    "coc.preferences.formatOnSaveFiletypes": [
        "css",
        "markdown",
        "javascript",
        "javascriptreact",
        "typescript",
        "typescriptreact",
        "json",
        "yaml",
        "html",
        "graphql",
        "mdx",
        "rust"
    ]
}