github.com/linchen2chris/hugo@v0.0.0-20230307053224-cec209389705/tpl/os/init.go (about) 1 // Copyright 2017 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 os 15 16 import ( 17 "context" 18 19 "github.com/gohugoio/hugo/deps" 20 "github.com/gohugoio/hugo/tpl/internal" 21 ) 22 23 const name = "os" 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.Getenv, 35 []string{"getenv"}, 36 [][2]string{}, 37 ) 38 39 ns.AddMethodMapping(ctx.ReadDir, 40 []string{"readDir"}, 41 [][2]string{ 42 {`{{ range (readDir "files") }}{{ .Name }}{{ end }}`, "README.txt"}, 43 }, 44 ) 45 46 ns.AddMethodMapping(ctx.ReadFile, 47 []string{"readFile"}, 48 [][2]string{ 49 {`{{ readFile "files/README.txt" }}`, `Hugo Rocks!`}, 50 }, 51 ) 52 53 ns.AddMethodMapping(ctx.FileExists, 54 []string{"fileExists"}, 55 [][2]string{ 56 {`{{ fileExists "foo.txt" }}`, `false`}, 57 }, 58 ) 59 60 return ns 61 } 62 63 internal.AddTemplateFuncsNamespace(f) 64 }