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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 js provides functions for building JavaScript resources
package js
import (
"github.com/gohugoio/hugo/deps"
"github.com/gohugoio/hugo/resources"
"github.com/gohugoio/hugo/resources/resource"
"github.com/gohugoio/hugo/resources/resource_transformers/js"
"github.com/gohugoio/hugo/tpl/internal/resourcehelpers"
)
// New returns a new instance of the js-namespaced template functions.
func New(deps *deps.Deps) *Namespace {
if deps.ResourceSpec == nil {
return &Namespace{}
}
return &Namespace{
client: js.New(deps.BaseFs.Assets, deps.ResourceSpec),
}
}
// Namespace provides template functions for the "js" namespace.
type Namespace struct {
deps *deps.Deps
client *js.Client
}
// Build processes the given Resource with ESBuild.
func (ns *Namespace) Build(args ...interface{}) (resource.Resource, error) {
var (
r resources.ResourceTransformer
m map[string]interface{}
targetPath string
err error
ok bool
)
r, targetPath, ok = resourcehelpers.ResolveIfFirstArgIsString(args)
if !ok {
r, m, err = resourcehelpers.ResolveArgs(args)
if err != nil {
return nil, err
}
}
if targetPath != "" {
m = map[string]interface{}{"targetPath": targetPath}
}
return ns.client.Process(r, m)
}
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