Code snippet that can be used to generate URL paths with route name and parameters in twig in drupal 8.
Generate relative paths
using this function path($name, $parameters, $options) like this:
{# path= / #}
<a href="{{ path('view.frontpage.page_1') }}">{{ 'View all content'|t }}</a>
{# path= /user/1 #}
<a href="{{ path('entity.user.canonical', {'user': 1}) }}">{{ 'View user'|t }}</a>
{# path /node/1 #}
<a href="{{ path('entity.node.canonical', {'node': 1}) }}">{{ 'View node'|t }}</a>
Generate absolute paths
using this function url($name, $parameters, $options) like this:
{# return path like this http://dev.domaine.com/node/1 #}
<a href="{{ url('entity.node.canonical', {'node': 1}) }}">{{ 'View all content'|t }}</a>
{# return path to current page#}
<a href="{{ url('<current>') }}">{{ 'Reload Page'|t }}</a>
{# return path to home page #}
<a href="{{ url('<front>') }}">{{ 'Home Page'|t }}</a>
