hugo/tpl/compare/init.go

// Copyright 2017 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 compare

import (
	"github.com/spf13/hugo/deps"
	"github.com/spf13/hugo/tpl/internal"
)

const name = "compare"

func init() {
	f := func(d *deps.Deps) *internal.TemplateFuncsNamespace {
		ctx := New()

		examples := [][2]string{
			{`{{ if eq .Section "blog" }}current{{ end }}`, `current`},
			{`{{ "Hugo Rocks!" | default "Hugo Rules!" }}`, `Hugo Rocks!`},
			{`{{ "" | default "Hugo Rules!" }}`, `Hugo Rules!`},
		}

		return &internal.TemplateFuncsNamespace{
			Name:    name,
			Context: func() interface{} { return ctx },
			Aliases: map[string]interface{}{
				"default": ctx.Default,
				"eq":      ctx.Eq,
				"ge":      ctx.Ge,
				"gt":      ctx.Gt,
				"le":      ctx.Le,
				"lt":      ctx.Lt,
				"ne":      ctx.Ne,
			},
			Examples: examples,
		}

	}

	internal.AddTemplateFuncsNamespace(f)
}