gbr_js

import gleam/javascript/array.{type Array}
import gleam/option.{type Option}

pub type DomTokenList

/// The `add()` method adds the given tokens to the list, omitting any that are already present

/// https://developer.mozilla.org/en-US/docs/Web/API/DOMTokenList/add

///

@external(javascript, "./dom/token_list_ffi.mjs", "add")
pub fn add(dom_token_list: DomTokenList, tokens: Array(String)) -> Nil

pub fn add_one(dom_token_list: DomTokenList, token: String) -> Nil {
  add(dom_token_list, array.from_list([token]))
}

/// The `remove()` method removes the specified tokens from the list

/// https://developer.mozilla.org/en-US/docs/Web/API/DOMTokenList/remove

///

@external(javascript, "./dom/token_list_ffi.mjs", "remove")
pub fn remove(dom_token_list: DomTokenList, tokens: Array(String)) -> Nil

pub fn remove_one(dom_token_list: DomTokenList, token: String) -> Nil {
  remove(dom_token_list, array.from_list([token]))
}

/// The `toggle()` method removes an existing token from the list and returns false.

/// If the token doesn't exist it's added and the function returns true.

/// https://developer.mozilla.org/en-US/docs/Web/API/DOMTokenList/toggle

///

/// `force`: If included, turns the toggle into a one way-only operation.

///   If set to false, then token will only be removed, but not added.

///   If set to true, then token will only be added, but not removed.

///

@external(javascript, "./dom/token_list_ffi.mjs", "toggle")
pub fn toggle(
  dom_token_list: DomTokenList,
  token: String,
  force force: Option(Bool),
) -> Bool

/// The `replace()` method replaces an existing token with a new token.

/// If the first token doesn't exist, `replace()` returns false immediately,

/// without adding the new token to the token list.

/// https://developer.mozilla.org/en-US/docs/Web/API/DOMTokenList/replace

@external(javascript, "./dom/token_list_ffi.mjs", "replace")
pub fn replace(
  dom_token_list: DomTokenList,
  from_token: String,
  to_token: String,
) -> Bool