Class: RenderEditorjs::Blocks::Image

Inherits:
Base
  • Object
show all
Defined in:
lib/render_editorjs/blocks/image.rb

Overview

Render for github.com/editor-js/image

Constant Summary collapse

SCHEMA = 
YAML.safe_load(<<~YAML)
  type: object
  additionalProperties: false
  properties:
    file:
      type: object
      properties:
        url:
          type: string
      required:
      - url
    caption:
      type: string
    stretched:
      type: boolean
    withBackground:
      type: boolean
    withBorder:
      type: boolean
  required:
  - file
YAML

Instance Attribute Summary

Attributes inherited from Base

#output_buffer, #raw

Instance Method Summary collapse

Methods inherited from Base

#valid?, #validator

Instance Method Details

#render(data) ⇒ Object 



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# File 'lib/render_editorjs/blocks/image.rb', line 30

def render(data)
  return unless valid?(data)

  url = sanitize_url(data["file"]["url"])
  caption = sanitize_caption(data["caption"])
  with_border = data["withBorder"]
  with_background = data["withBackground"]
  stretched = data["stretched"]

  html_class = "picture"
  html_class += " picture--stretched" if stretched
  html_class += " picture--with-background" if with_background
  html_class += " picture--with-border" if with_border

  html_str = content_tag :div, class: html_class do
    content_tag :img, "", src: url
  end
  html_str << content_tag(:div, caption.html_safe, class: "caption").html_safe if caption.presence
  html_str
end

#sanitize(data) ⇒ Object 



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# File 'lib/render_editorjs/blocks/image.rb', line 51

def sanitize(data)
  %w[caption url].each do |key|
    str = Sanitize.fragment(data[key], remove_contents: true).strip
    str.gsub!("&amp;", "&") if key == "url"
    data[key] = str
  end

  data
end

#sanitize_caption(caption) ⇒ Object 



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# File 'lib/render_editorjs/blocks/image.rb', line 65

def sanitize_caption(caption)
  Sanitize.fragment(caption, remove_contents: true).strip
end

#sanitize_url(url) ⇒ Object 



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# File 'lib/render_editorjs/blocks/image.rb', line 61

def sanitize_url(url)
  Sanitize.fragment(url, remove_contents: true).strip.gsub("&amp;", "&")
end