github.com/linchen2chris/hugo@v0.0.0-20230307053224-cec209389705/tpl/templates/templates.go (about)

     1  // Copyright 2018 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  // Package templates provides template functions for working with templates.
    15  package templates
    16  
    17  import (
    18  	"github.com/gohugoio/hugo/deps"
    19  )
    20  
    21  // New returns a new instance of the templates-namespaced template functions.
    22  func New(deps *deps.Deps) *Namespace {
    23  	return &Namespace{
    24  		deps: deps,
    25  	}
    26  }
    27  
    28  // Namespace provides template functions for the "templates" namespace.
    29  type Namespace struct {
    30  	deps *deps.Deps
    31  }
    32  
    33  // Exists returns whether the template with the given name exists.
    34  // Note that this is the Unix-styled relative path including filename suffix,
    35  // e.g. partials/header.html
    36  func (ns *Namespace) Exists(name string) bool {
    37  	return ns.deps.Tmpl().HasTemplate(name)
    38  }