github.com/ecolytiq/xk6-dotenv@v0.2.2-0.20220902071434-058cfd60158b/dotenv.go (about) 1 // MIT License 2 // 3 // Copyright (c) 2021 Iván Szkiba 4 // 5 // Permission is hereby granted, free of charge, to any person obtaining a copy 6 // of this software and associated documentation files (the "Software"), to deal 7 // in the Software without restriction, including without limitation the rights 8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 // copies of the Software, and to permit persons to whom the Software is 10 // furnished to do so, subject to the following conditions: 11 // 12 // The above copyright notice and this permission notice shall be included in all 13 // copies or substantial portions of the Software. 14 // 15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 // SOFTWARE. 22 23 package dotenv 24 25 import ( 26 "context" 27 "os" 28 29 "github.com/joho/godotenv" 30 "go.k6.io/k6/js/modules" 31 ) 32 33 // Register the extensions on module initialization. 34 func init() { 35 modules.Register("k6/x/dotenv", New()) 36 37 load() 38 } 39 40 type Module struct{} 41 42 func New() *Module { 43 return &Module{} 44 } 45 46 func (m *Module) Parse(ctx context.Context, text string) (interface{}, error) { 47 obj, err := godotenv.Unmarshal(text) 48 if err != nil { 49 return nil, err 50 } 51 52 return obj, nil 53 } 54 55 func (m *Module) Stringify(ctx context.Context, value map[string]string) (string, error) { 56 str, err := godotenv.Marshal(value) 57 if err != nil { 58 return "", err 59 } 60 61 return str, nil 62 } 63 64 func load() { 65 env := os.Getenv(envVar) 66 67 if env == disabled { 68 return 69 } 70 71 if env == "" { 72 env = "development" 73 } 74 75 godotenv.Load(".env." + env + ".local") // nolint:errcheck 76 77 if env != "test" { 78 godotenv.Load(".env.local") // nolint:errcheck 79 } 80 81 godotenv.Load(".env." + env) // nolint:errcheck 82 83 godotenv.Load() // nolint:errcheck 84 } 85 86 const ( 87 envVar = "K6_ENV" 88 disabled = "false" 89 )