@use 'sass:meta';
@use 'sass:math';
@use 'sass:string';
@use 'is-falsey' as *;

/// Tests whether all items from `$list` pass the test implemented by `$func`.
///
/// @param {List} $list - The list to run the test against.
/// @param {String} $func - The function to run against every item from $list.
/// @param {String | null} $mod [null] - The module that $func belongs to.
/// If no module and calling a global function, pass `null` or nothing. If
/// calling a plain CSS function, pass `css`.
/// @param {ArgList} $args - Optional extra arguments to pass to the function
///
/// @return {Bool} - Returns `true` if all items from `$list` pass the test
/// implemented by `$func`, otherwise returns `false`.
///
/// @example
/// every(1 2 3, 'unitless')
/// // true
///
/// @example
/// every(1 2 3px, 'unitless')
/// // false
///
/// @access public
/// @group Utilities
/// @since 0.15.0
/// @require {function} is-falsey
@function every($list, $func, $mod: null, $args...) {
  $is-css: false;

  @if string.to-lower-case($mod) == 'css' {
    $is-css: true;
    $mod: null;
  }

  @if is-falsey($mod) {
    $mod: null;
  }

  @each $item in $list {
    @if not meta.call(
      meta.get-function($func, $css: $is-css, $module: $mod),
      $item,
      $args...
    ) {
      @return false;
    }
  }

  @return true;
}