method

rails_asset_id

v2.1.0 - Show latest stable - 0 notes - Class: ActionView::Helpers::AssetTagHelper

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What's this?

rails_asset_id(source) private

Use the RAILS_ASSET_ID environment variable or the source’s modification time as its cache-busting asset id.

# File actionpack/lib/action_view/helpers/asset_tag_helper.rb, line 526
        def rails_asset_id(source)
          if asset_id = ENV["RAILS_ASSET_ID"]
            asset_id
          else
            path = File.join(ASSETS_DIR, source)

            if File.exist?(path)
              File.mtime(path).to_i.to_s
            else
              ''
            end
          end
        end

rails_asset_id

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