github.com/oam-dev/kubevela@v1.9.11/pkg/policy/utils/utils.go (about)

     1  /*
     2  Copyright 2021 The KubeVela Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package utils
    18  
    19  // FilterComponents select the components using the selectors
    20  func FilterComponents(components []string, selector []string) []string {
    21  	if selector != nil {
    22  		filter := map[string]bool{}
    23  		for _, compName := range selector {
    24  			filter[compName] = true
    25  		}
    26  		var _comps []string
    27  		for _, compName := range components {
    28  			if _, ok := filter[compName]; ok {
    29  				_comps = append(_comps, compName)
    30  			}
    31  		}
    32  		return _comps
    33  	}
    34  	return components
    35  }