mirror of
https://github.com/gohugoio/hugo.git
synced 2024-07-04 16:21:57 +00:00
52 lines
1.6 KiB
Go
52 lines
1.6 KiB
Go
// Copyright 2017-present The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package docshelper provides some helpers for the Hugo documentation, and
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// is of limited interest for the general Hugo user.
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package docshelper
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import (
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"encoding/json"
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)
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// DocProviders contains all DocProviders added to the system.
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var DocProviders = make(map[string]DocProvider)
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// AddDocProvider adds or updates the DocProvider for a given name.
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func AddDocProvider(name string, provider DocProvider) {
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if prev, ok := DocProviders[name]; !ok {
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DocProviders[name] = provider
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} else {
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DocProviders[name] = merge(prev, provider)
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}
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}
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// DocProvider is used to save arbitrary JSON data
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// used for the generation of the documentation.
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type DocProvider func() map[string]interface{}
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// MarshalJSON returns a JSON representation of the DocProvider.
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func (d DocProvider) MarshalJSON() ([]byte, error) {
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return json.MarshalIndent(d(), "", " ")
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}
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func merge(a, b DocProvider) DocProvider {
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next := a()
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for k, v := range b() {
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next[k] = v
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}
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return func() map[string]interface{} {
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return next
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}
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}
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