@use "sass:math";
@use "sass:map";
@use "sass:meta";
@use "../../functions/general";
@use "../../variables/project-spacing" as vars;

@function calc-gap-offset($gap-size) {
  $gap-size: general.smart-quote($gap-size);

  @if not map.has-key(vars.$spacing-to-value, $gap-size) {
    @return general.error-not-token($gap-size, "gap size");
  }

  $numeric-eq: map.get(vars.$spacing-to-value, $gap-size);
  $numeric-eq-half: meta.inspect(math.div($numeric-eq, 2));

  @if not map.has-key(vars.$spacing-to-token, $numeric-eq-half) {
    @error '`#{$gap-size}` is not a valid USWDS gap size token. '
      + 'Column gaps need to have a standard size half their width.';
  }

  @return map.get(vars.$spacing-to-token, $numeric-eq-half);
}

// @debug calc-gap-offset("05");
// @return 2px;