ref: b886fa46bb92916152476cfac45c7a5ee5e5820a
dir: /modules/module.go/
// Copyright 2019 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 modules provides a client that can be used to manage Hugo Components,
// what's referred to as Hugo Modules. Hugo Modules is built on top of Go Modules,
// but also supports vendoring and components stored directly in the themes dir.
package modules
import (
"github.com/gohugoio/hugo/config"
)
var _ Module = (*moduleAdapter)(nil)
type Module interface {
// Optional config read from the configFilename above.
Cfg() config.Provider
// The decoded module config and mounts.
Config() Config
// Optional configuration filename (e.g. "/themes/mytheme/config.json").
// This will be added to the special configuration watch list when in
// server mode.
ConfigFilename() string
// Directory holding files for this module.
Dir() string
// This module is disabled.
Disabled() bool
// Returns whether this is a Go Module.
IsGoMod() bool
// Any directory remappings.
Mounts() []Mount
// In the dependency tree, this is the first module that defines this module
// as a dependency.
Owner() Module
// Returns the path to this module.
// This will either be the module path, e.g. "github.com/gohugoio/myshortcodes",
// or the path below your /theme folder, e.g. "mytheme".
Path() string
// Replaced by this module.
Replace() Module
// Returns whether Dir points below the _vendor dir.
Vendor() bool
// The module version.
Version() string
// Whether this module's dir is a watch candidate.
Watch() bool
}
type Modules []Module
type moduleAdapter struct {
path string
dir string
version string
vendor bool
disabled bool
projectMod bool
owner Module
mounts []Mount
configFilename string
cfg config.Provider
config Config
// Set if a Go module.
gomod *goModule
}
func (m *moduleAdapter) Cfg() config.Provider {
return m.cfg
}
func (m *moduleAdapter) Config() Config {
return m.config
}
func (m *moduleAdapter) ConfigFilename() string {
return m.configFilename
}
func (m *moduleAdapter) Dir() string {
// This may point to the _vendor dir.
if !m.IsGoMod() || m.dir != "" {
return m.dir
}
return m.gomod.Dir
}
func (m *moduleAdapter) Disabled() bool {
return m.disabled
}
func (m *moduleAdapter) IsGoMod() bool {
return m.gomod != nil
}
func (m *moduleAdapter) Mounts() []Mount {
return m.mounts
}
func (m *moduleAdapter) Owner() Module {
return m.owner
}
func (m *moduleAdapter) Path() string {
if !m.IsGoMod() || m.path != "" {
return m.path
}
return m.gomod.Path
}
func (m *moduleAdapter) Replace() Module {
if m.IsGoMod() && !m.Vendor() && m.gomod.Replace != nil {
return &moduleAdapter{
gomod: m.gomod.Replace,
owner: m.owner,
}
}
return nil
}
func (m *moduleAdapter) Vendor() bool {
return m.vendor
}
func (m *moduleAdapter) Version() string {
if !m.IsGoMod() || m.version != "" {
return m.version
}
return m.gomod.Version
}
func (m *moduleAdapter) Watch() bool {
if m.Owner() == nil {
// Main project
return true
}
if !m.IsGoMod() {
// Module inside /themes
return true
}
if m.Replace() != nil {
// Version is not set when replaced by a local folder.
return m.Replace().Version() == ""
}
return false
}