From 7d74cd0cc88716fba813e9e2e229c3b22b828b5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Mon, 7 Aug 2023 19:56:02 +0200
Subject: [PATCH] commands: Handle floats without decimals in hugo config

Updates #11345
---
 commands/config.go  |  2 ++
 common/maps/maps.go | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/commands/config.go b/commands/config.go
index 9bf1c0961..63ee4f7c8 100644
--- a/commands/config.go
+++ b/commands/config.go
@@ -23,6 +23,7 @@ import (
 	"time"
 
 	"github.com/bep/simplecobra"
+	"github.com/gohugoio/hugo/common/maps"
 	"github.com/gohugoio/hugo/config/allconfig"
 	"github.com/gohugoio/hugo/modules"
 	"github.com/gohugoio/hugo/parser"
@@ -92,6 +93,7 @@ func (c *configCommand) Run(ctx context.Context, cd *simplecobra.Commandeer, arg
 		if err := json.Unmarshal(buf.Bytes(), &m); err != nil {
 			return err
 		}
+		maps.ConvertFloat64WithNoDecimalsToInt(m)
 		switch format {
 		case "yaml":
 			return parser.InterfaceToConfig(m, metadecoders.YAML, os.Stdout)
diff --git a/common/maps/maps.go b/common/maps/maps.go
index 6aefde927..f0fd3d5ce 100644
--- a/common/maps/maps.go
+++ b/common/maps/maps.go
@@ -210,3 +210,28 @@ func (r KeyRenamer) renamePath(parentKeyPath string, m map[string]any) {
 		}
 	}
 }
+
+// ConvertFloat64WithNoDecimalsToInt converts float64 values with no decimals to int recursively.
+func ConvertFloat64WithNoDecimalsToInt(m map[string]any) {
+	for k, v := range m {
+		switch vv := v.(type) {
+		case float64:
+			if v == float64(int64(vv)) {
+				m[k] = int64(vv)
+			}
+		case map[string]any:
+			ConvertFloat64WithNoDecimalsToInt(vv)
+		case []any:
+			for i, vvv := range vv {
+				switch vvvv := vvv.(type) {
+				case float64:
+					if vvv == float64(int64(vvvv)) {
+						vv[i] = int64(vvvv)
+					}
+				case map[string]any:
+					ConvertFloat64WithNoDecimalsToInt(vvvv)
+				}
+			}
+		}
+	}
+}