Class: Qiita::Markdown::Filters::Truncate

Inherits:
HTML::Pipeline::Filter
  • Object
show all
Defined in:
lib/qiita/markdown/filters/truncate.rb

Overview

A filter for truncating a document without breaking the document structure.

You can pass ‘:length` and `:omission` option to :truncate context.

Examples:

Truncate.new(doc, truncate: { length: 50, omission: '... (continued)' })

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  length: 100,
  omission: "…".freeze,
}.freeze

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



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# File 'lib/qiita/markdown/filters/truncate.rb', line 17

def call
  @current_length = 0
  @previous_char_was_blank = false

  traverse(doc) do |node|
    if exceeded?
      node.remove
    elsif node.text?
      process_text_node(node)
    end
  end

  doc
end