init.go (1256B)
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
15
16 import (
17 "github.com/gohugoio/hugo/deps"
18 "github.com/gohugoio/hugo/tpl/internal"
19 )
20
21 const name = "templates"
22
23 func init() {
24 f := func(d *deps.Deps) *internal.TemplateFuncsNamespace {
25 ctx := New(d)
26
27 ns := &internal.TemplateFuncsNamespace{
28 Name: name,
29 Context: func(args ...any) (any, error) { return ctx, nil },
30 }
31
32 ns.AddMethodMapping(ctx.Exists,
33 nil,
34 [][2]string{
35 {`{{ if (templates.Exists "partials/header.html") }}Yes!{{ end }}`, `Yes!`},
36 {`{{ if not (templates.Exists "partials/doesnotexist.html") }}No!{{ end }}`, `No!`},
37 },
38 )
39
40 return ns
41 }
42
43 internal.AddTemplateFuncsNamespace(f)
44 }