github.com/linchen2chris/hugo@v0.0.0-20230307053224-cec209389705/tpl/templates/init.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 15 16 import ( 17 "context" 18 19 "github.com/gohugoio/hugo/deps" 20 "github.com/gohugoio/hugo/tpl/internal" 21 ) 22 23 const name = "templates" 24 25 func init() { 26 f := func(d *deps.Deps) *internal.TemplateFuncsNamespace { 27 ctx := New(d) 28 29 ns := &internal.TemplateFuncsNamespace{ 30 Name: name, 31 Context: func(cctx context.Context, args ...any) (any, error) { return ctx, nil }, 32 } 33 34 ns.AddMethodMapping(ctx.Exists, 35 nil, 36 [][2]string{ 37 {`{{ if (templates.Exists "partials/header.html") }}Yes!{{ end }}`, `Yes!`}, 38 {`{{ if not (templates.Exists "partials/doesnotexist.html") }}No!{{ end }}`, `No!`}, 39 }, 40 ) 41 42 return ns 43 } 44 45 internal.AddTemplateFuncsNamespace(f) 46 }