rmv: ReadCloser Function From io Package

The function was deprecated in favor of NewReadCloser.

BREAKING CHANGE

io/io.go

@@ -7,22 +7,6 @@ import (
 	"os"
 )
 
-// ReadCloser Return an io.ReadCloser from a string or filepath.
-//
-// Deprecated This was quickly added and now is replaced to add a new feature.
-// Use NewReadCloser as a replacement since it add the feature to indicate if
-// the content is a string to be used in the buffer or a path to a file to load
-// into the buffer.
-func ReadCloser(filepath string) (io.ReadCloser, error) {
-	b, e := os.ReadFile(filepath)
-
-	if e != nil {
-		return nil, fmt.Errorf("could not read %s: %v", filepath, e.Error())
-	}
-
-	return io.NopCloser(bytes.NewBuffer(b)), nil
-}
-
 // NewReadCloser Return an io.ReadCloser from a string or content from a file.
 func NewReadCloser(content string, isFile bool) (io.ReadCloser, error) {
 	if isFile {

io/io_test.go

@@ -7,16 +7,18 @@ import (
 
 func TestReadCloser(t *testing.T) {
 	tests := []struct {
-		name     string
-		filepath string
-		want     string
-		wantErr  bool
+		name    string
+		content string
+		isFile  bool
+		want    string
+		wantErr bool
 	}{
-		{"can-read-file", "testdata/salam.txt", "Salam", false},
+		{"can-read-file", "testdata/salam.txt", true, "Salam", false},
+		{"can-read-file", "Salam", false, "Salam", false},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got, err := ReadCloser(tt.filepath)
+			got, err := NewReadCloser(tt.content, tt.isFile)
 
 			if (err != nil) != tt.wantErr {
 				t.Errorf("ReadCloser() error = %v, wantErr %v", err, tt.wantErr)