Move funcs package to internal (#1977)

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/internal/funcs/env.go b/internal/funcs/env.go
new file mode 100644
index 00000000..0df63b3e
--- /dev/null
+++ b/internal/funcs/env.go
@@ -0,0 +1,49 @@
+package funcs
+
+import (
+	"context"
+
+	"github.com/hairyhenderson/gomplate/v4/conv"
+	"github.com/hairyhenderson/gomplate/v4/env"
+)
+
+// EnvNS - the Env namespace
+//
+// Deprecated: don't use
+func EnvNS() *EnvFuncs {
+	return &EnvFuncs{}
+}
+
+// AddEnvFuncs -
+//
+// Deprecated: use [CreateEnvFuncs] instead
+func AddEnvFuncs(f map[string]interface{}) {
+	for k, v := range CreateEnvFuncs(context.Background()) {
+		f[k] = v
+	}
+}
+
+// CreateEnvFuncs -
+func CreateEnvFuncs(ctx context.Context) map[string]interface{} {
+	ns := &EnvFuncs{ctx}
+
+	return map[string]interface{}{
+		"env":    func() interface{} { return ns },
+		"getenv": ns.Getenv,
+	}
+}
+
+// EnvFuncs -
+type EnvFuncs struct {
+	ctx context.Context
+}
+
+// Getenv -
+func (EnvFuncs) Getenv(key interface{}, def ...string) string {
+	return env.Getenv(conv.ToString(key), def...)
+}
+
+// ExpandEnv -
+func (EnvFuncs) ExpandEnv(s interface{}) string {
+	return env.ExpandEnv(conv.ToString(s))
+}