link_to_if(condition, name, options = {}, html_options = {}, &block)
Instance Public methods
Creates a link tag of the given name using a URL created by
the set of options if condition is true,
otherwise only the name is returned. To specialize the default behavior,
you can pass a block that accepts the name or the full argument list for
link_to_unless (see the examples in
link_to_unless).
Examples
1 2 3 4 5 6 7 8 9 10 11 12 13 | <%= link_to_if(@current_user.nil?, "Login", { controller: "sessions", action: "new" }) %># If the user isn't logged in...# => <a href="/sessions/new/">Login</a><%= link_to_if(@current_user.nil?, "Login", { controller: "sessions", action: "new" }) do link_to(@current_user.login, { controller: "accounts", action: "show", id: @current_user }) end%># If the user isn't logged in...# => <a href="/sessions/new/">Login</a># If they are logged in...# => <a href="/accounts/show/3">my_username</a> |
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