github.com/zntrio/harp/v2@v2.0.9/pkg/template/cmdutil/files.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package cmdutil
    19  
    20  import (
    21  	"fmt"
    22  	"io/fs"
    23  
    24  	"github.com/zntrio/harp/v2/pkg/sdk/types"
    25  	"github.com/zntrio/harp/v2/pkg/template/engine"
    26  	"github.com/zntrio/harp/v2/pkg/template/files"
    27  )
    28  
    29  // Files returns template files.
    30  func Files(fileSystem fs.FS, basePath string) (engine.Files, error) {
    31  	// Check arguments
    32  	if types.IsNil(fileSystem) {
    33  		return nil, fmt.Errorf("unable to load files without a default filesystem to use")
    34  	}
    35  
    36  	// Get appropriate loader
    37  	loader, err := files.Loader(fileSystem, basePath)
    38  	if err != nil {
    39  		return nil, fmt.Errorf("unable to process files: %w", err)
    40  	}
    41  
    42  	// Crawl and load file content
    43  	fileList, err := loader.Load()
    44  	if err != nil {
    45  		return nil, fmt.Errorf("unable to load files: %w", err)
    46  	}
    47  
    48  	// Wrap as template files
    49  	templateFiles := engine.NewFiles(fileList)
    50  
    51  	// No error
    52  	return templateFiles, nil
    53  }