Module: Nanoc::Helpers::Breadcrumbs

Defined in:
lib/nanoc/helpers/breadcrumbs.rb

Overview

Provides support for breadcrumbs, which allow the user to go up in the page hierarchy.

Instance Method Summary (collapse)

Instance Method Details

Creates a breadcrumb trail leading from the current item to its parent, to its parent’s parent, etc, until the root item is reached. This function does not require that each intermediate item exist; for example, if there is no /foo/ item, breadcrumbs for a /foo/bar/ item will contain a nil element.

Returns:

  • (Array)

    The breadcrumbs, starting with the root item and ending with the item itself



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# File 'lib/nanoc/helpers/breadcrumbs.rb', line 17

def breadcrumbs_trail
  trail      = []
  idx_start  = 0

  loop do
    idx = @item.identifier.index('/', idx_start)
    break if idx.nil?

    idx_start = idx + 1
    identifier = @item.identifier[0..idx]
    trail << @items[identifier]
  end

  trail
end