Use errors.Is everywhere

api/account/login.go

@@ -22,6 +22,7 @@ import (
 	"crypto/rand"
 	"database/sql"
 	"encoding/base64"
+	"errors"
 	"fmt"
 
 	"github.com/pagefaultgames/rogueserver/db"
@@ -43,7 +44,7 @@ func Login(username, password string) (LoginResponse, error) {
 
 	key, salt, err := db.FetchAccountKeySaltFromUsername(username)
 	if err != nil {
-		if err == sql.ErrNoRows {
+		if errors.Is(err, sql.ErrNoRows) {
 			return response, fmt.Errorf("account doesn't exist")
 		}
 

api/endpoints.go

@@ -532,7 +532,7 @@ func legacyHandleSaveData(w http.ResponseWriter, r *http.Request) {
 	switch r.URL.Path {
 	case "/savedata/get":
 		save, err = savedata.Get(uuid, datatype, slot)
-		if err == sql.ErrNoRows {
+		if errors.Is(err, sql.ErrNoRows) {
 			http.Error(w, err.Error(), http.StatusNotFound)
 			return
 		}