hugo/tpl/reflect/init.go
Cameron Moore c84f506f8e tpl: Add reflect namespace
Add a reflect namespace that offers a two boolean functions for
testing if a value is a map or slice.

Fixes #4081
2018-12-07 23:29:37 +01:00

50 lines
1.3 KiB
Go

// Copyright 2018 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package reflect
import (
"github.com/gohugoio/hugo/deps"
"github.com/gohugoio/hugo/tpl/internal"
)
const name = "reflect"
func init() {
f := func(d *deps.Deps) *internal.TemplateFuncsNamespace {
ctx := New()
ns := &internal.TemplateFuncsNamespace{
Name: name,
Context: func(args ...interface{}) interface{} { return ctx },
}
ns.AddMethodMapping(ctx.IsMap,
nil,
[][2]string{
{`{{ if reflect.IsMap (dict "a" 1) }}Map{{ end }}`, `Map`},
},
)
ns.AddMethodMapping(ctx.IsSlice,
nil,
[][2]string{
{`{{ if reflect.IsSlice (slice 1 2 3) }}Slice{{ end }}`, `Slice`},
},
)
return ns
}
internal.AddTemplateFuncsNamespace(f)
}