cmd/xesite: debounce rebuild events

Signed-off-by: Xe Iaso <me@xeiaso.net>

5 files changed, 47 insertions, 15 deletions

diff --git a/cmd/xesite/devel.go b/cmd/xesite/devel.go
index 944af30..23f35ff 100644
--- a/cmd/xesite/devel.go
+++ b/cmd/xesite/devel.go
@@ -7,7 +7,9 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"time"
 
+	"github.com/bep/debounce"
 	"gopkg.in/fsnotify.v1"
 	"xeiaso.net/v4/internal/lume"
 )
@@ -55,6 +57,15 @@ func rebuildOnChange(fs *lume.FS) {
 	}
 	defer watcher.Close()
 
+	reload := func() {
+		slog.Info("reloading")
+		if err := fs.Update(context.Background()); err != nil {
+			slog.Error("reload failed", "err", err)
+		}
+	}
+
+	d := debounce.New(100 * time.Millisecond)
+
 	if err = watcher.Add("./lume"); err != nil {
 		log.Fatal(err)
 	}
@@ -84,10 +95,7 @@ func rebuildOnChange(fs *lume.FS) {
 
 			slog.Debug("got event", "fname", event.Name, "op", event.Op.String())
 
-			slog.Info("reloading")
-			if err := fs.Update(context.Background()); err != nil {
-				slog.Error("reload failed", "err", err)
-			}
+			d(reload)
 		case err := <-watcher.Errors:
 			log.Fatal(err)
 		}
diff --git a/flake.lock b/flake.lock
index 7c15eb8..6244a25 100644
--- a/flake.lock
+++ b/flake.lock
@@ -163,7 +163,7 @@
     },
     "flake-utils_2": {
       "inputs": {
-        "systems": "systems_2"
+        "systems": "systems_3"
       },
       "locked": {
         "lastModified": 1692799911,
@@ -181,7 +181,7 @@
     },
     "flake-utils_3": {
       "inputs": {
-        "systems": "systems_3"
+        "systems": "systems_4"
       },
       "locked": {
         "lastModified": 1692799911,
@@ -226,11 +226,11 @@
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1679684486,
-        "narHash": "sha256-XMpeeKmzxYpkh8uuxyGHcYzgORVysC8vMIVbzQdPtTs=",
+        "lastModified": 1698939764,
+        "narHash": "sha256-CH68pMKscwAxi/N5xbRlZ5i2NNzMZx6fjzcQkPN3bSw=",
         "owner": "Xe",
         "repo": "iosevka",
-        "rev": "85a6850cf67884b2d4752442bb9246415681e9e9",
+        "rev": "faa4a6ed96820a85790244f9b65c4b0f4604ae2d",
         "type": "github"
       },
       "original": {
@@ -241,11 +241,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1678898370,
-        "narHash": "sha256-xTICr1j+uat5hk9FyuPOFGxpWHdJRibwZC+ATi0RbtE=",
+        "lastModified": 1698611440,
+        "narHash": "sha256-jPjHjrerhYDy3q9+s5EAsuhyhuknNfowY6yt6pjn9pc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ac718d02867a84b42522a0ece52d841188208f2c",
+        "rev": "0cbe9f69c234a7700596e943bfae7ef27a31b735",
         "type": "github"
       },
       "original": {
@@ -352,6 +352,21 @@
         "type": "github"
       }
     },
+    "systems_4": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "typst": {
       "inputs": {
         "crane": "crane",
@@ -376,12 +391,15 @@
       }
     },
     "utils": {
+      "inputs": {
+        "systems": "systems_2"
+      },
       "locked": {
-        "lastModified": 1678901627,
-        "narHash": "sha256-U02riOqrKKzwjsxc/400XnElV+UtPUQWpANPlyazjH0=",
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "93a2b84fc4b70d9e089d029deacc3583435c2ed6",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
         "type": "github"
       },
       "original": {
diff --git a/go.mod b/go.mod
index 02bc845..86db57b 100644
--- a/go.mod
+++ b/go.mod
@@ -35,6 +35,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/sts v1.18.10 // indirect
 	github.com/aws/smithy-go v1.13.5 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bep/debounce v1.2.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/cloudflare/circl v1.3.3 // indirect
 	github.com/coreos/go-iptables v0.6.0 // indirect
diff --git a/go.sum b/go.sum
index c70f85a..533d0db 100644
--- a/go.sum
+++ b/go.sum
@@ -49,6 +49,8 @@ github.com/aws/smithy-go v1.13.5 h1:hgz0X/DX0dGqTYpGALqXJoRKRj5oQ7150i5FdTePzO8=
 github.com/aws/smithy-go v1.13.5/go.mod h1:Tg+OJXh4MB2R/uN61Ko2f6hTZwB/ZYGOtib8J3gBHzA=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/bep/debounce v1.2.1 h1:v67fRdBA9UQu2NhLFXrSg0Brw7CexQekrBwDMM8bzeY=
+github.com/bep/debounce v1.2.1/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3ISbCJ0=
 github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
diff --git a/gomod2nix.toml b/gomod2nix.toml
index 6109d42..ef6caed 100644
--- a/gomod2nix.toml
+++ b/gomod2nix.toml
@@ -64,6 +64,9 @@ schema = 3
   [mod."github.com/beorn7/perks"]
     version = "v1.0.1"
     hash = "sha256-h75GUqfwJKngCJQVE5Ao5wnO3cfKD9lSIteoLp/3xJ4="
+  [mod."github.com/bep/debounce"]
+    version = "v1.2.1"
+    hash = "sha256-7qHOp4vB0ifEseXXBuSH6W5YNImVcb8PTWSJJAMaGcU="
   [mod."github.com/cespare/xxhash/v2"]
     version = "v2.2.0"
     hash = "sha256-nPufwYQfTkyrEkbBrpqM3C2vnMxfIz6tAaBmiUP7vd4="