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// Copyright 2020 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 jsconfig
import (
"path/filepath"
"sort"
"sync"
)
// Builder builds a jsconfig.json file that, currently, is used only to assist
// intellinsense in editors.
type Builder struct {
sourceRootsMu sync.RWMutex
sourceRoots map[string]bool
}
// NewBuilder creates a new Builder.
func NewBuilder() *Builder {
return &Builder{sourceRoots: make(map[string]bool)}
}
// Build builds a new Config with paths relative to dir.
// This method is thread safe.
func (b *Builder) Build(dir string) *Config {
b.sourceRootsMu.RLock()
defer b.sourceRootsMu.RUnlock()
if len(b.sourceRoots) == 0 {
return nil
}
conf := newJSConfig()
var roots []string
for root := range b.sourceRoots {
rel, err := filepath.Rel(dir, filepath.Join(root, "*"))
if err == nil {
roots = append(roots, rel)
}
}
sort.Strings(roots)
conf.CompilerOptions.Paths["*"] = roots
return conf
}
// AddSourceRoot adds a new source root.
// This method is thread safe.
func (b *Builder) AddSourceRoot(root string) {
b.sourceRootsMu.RLock()
found := b.sourceRoots[root]
b.sourceRootsMu.RUnlock()
if found {
return
}
b.sourceRootsMu.Lock()
b.sourceRoots[root] = true
b.sourceRootsMu.Unlock()
}
// CompilerOptions holds compilerOptions for jsonconfig.json.
type CompilerOptions struct {
BaseURL string `json:"baseUrl"`
Paths map[string][]string `json:"paths"`
}
// Config holds the data for jsconfig.json.
type Config struct {
CompilerOptions CompilerOptions `json:"compilerOptions"`
}
func newJSConfig() *Config {
return &Config{
CompilerOptions: CompilerOptions{
BaseURL: ".",
Paths: make(map[string][]string),
},
}
}
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