From fd844bbfc1c22f96d603546b59a80e271fde5bd0 Mon Sep 17 00:00:00 2001
From: Jan-Lukas Else <mail@jlelse.de>
Date: Mon, 7 Jun 2021 20:27:28 +0200
Subject: [PATCH] Cache editor input for new post

---
 go.mod                           |  6 ++----
 go.sum                           |  4 ++--
 templates/assets/js/formcache.js | 19 +++++++++++++++++++
 templates/editor.gohtml          |  3 ++-
 4 files changed, 25 insertions(+), 7 deletions(-)
 create mode 100644 templates/assets/js/formcache.js

diff --git a/go.mod b/go.mod
index 6dbd1cc..5c7fc40 100644
--- a/go.mod
+++ b/go.mod
@@ -2,9 +2,6 @@ module git.jlel.se/jlelse/GoBlog
 
 go 1.16
 
-// master
-replace github.com/yuin/goldmark-emoji => github.com/jlelse/goldmark-emoji v1.0.2-0.20210524171342-a1615b7be38a
-
 require (
 	git.jlel.se/jlelse/go-geouri v0.0.0-20210525190615-a9c1d50f42d6
 	git.jlel.se/jlelse/goldmark-mark v0.0.0-20210522162520-9788c89266a4
@@ -59,7 +56,8 @@ require (
 	github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80
 	github.com/vcraescu/go-paginator v1.0.1-0.20201114172518-2cfc59fe05c2
 	github.com/yuin/goldmark v1.3.7
-	github.com/yuin/goldmark-emoji v1.0.1
+	// master
+	github.com/yuin/goldmark-emoji v1.0.2-0.20210607094911-0487583eca38
 	go.uber.org/multierr v1.7.0 // indirect
 	go.uber.org/zap v1.17.0 // indirect
 	golang.org/x/net v0.0.0-20210525063256-abc453219eb5
diff --git a/go.sum b/go.sum
index 0ca0126..cd397d4 100644
--- a/go.sum
+++ b/go.sum
@@ -176,8 +176,6 @@ github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/J
 github.com/inconshreveable/log15 v0.0.0-20170622235902-74a0988b5f80/go.mod h1:cOaXtrgN4ScfRrD9Bre7U1thNq5RtJ8ZoP4iXVGRj6o=
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.1.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
-github.com/jlelse/goldmark-emoji v1.0.2-0.20210524171342-a1615b7be38a h1:40Q83HyOI4DTtHDXOZmzhPhVj6vF6piANkyh+OgdTrU=
-github.com/jlelse/goldmark-emoji v1.0.2-0.20210524171342-a1615b7be38a/go.mod h1:RhP/RWpexdp+KHs7ghKnifRoIs/Bq4nDS7tRbCkOwKY=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/jonboulle/clockwork v0.2.2 h1:UOGuzwb1PwsrDAObMuhUnj0p5ULPj8V/xJ7Kx9qUBdQ=
 github.com/jonboulle/clockwork v0.2.2/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
@@ -346,6 +344,8 @@ github.com/vcraescu/go-paginator v1.0.1-0.20201114172518-2cfc59fe05c2/go.mod h1:
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/yuin/goldmark v1.3.7 h1:NSaHgaeJFCtWXCBkBKXw0rhgMuJ0VoE9FB5mWldcrQ4=
 github.com/yuin/goldmark v1.3.7/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+github.com/yuin/goldmark-emoji v1.0.2-0.20210607094911-0487583eca38 h1:XZjLcLoTPNZuxppY3gwhRqo/T2XF6JMGFFdkAjX3w1w=
+github.com/yuin/goldmark-emoji v1.0.2-0.20210607094911-0487583eca38/go.mod h1:RhP/RWpexdp+KHs7ghKnifRoIs/Bq4nDS7tRbCkOwKY=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
diff --git a/templates/assets/js/formcache.js b/templates/assets/js/formcache.js
new file mode 100644
index 0000000..24ccf46
--- /dev/null
+++ b/templates/assets/js/formcache.js
@@ -0,0 +1,19 @@
+(function () {
+    const fc = 'formcache'
+    Array.from(document.querySelectorAll('form .' + fc)).forEach(element => {
+        let elementName = fc + '-' + location.pathname + '#' + element.id
+        // Load from cache
+        let cached = localStorage.getItem(elementName)
+        if (cached != null) {
+            element.value = cached
+        }
+        // Auto save to cache
+        element.addEventListener('input', function () {
+            localStorage.setItem(elementName, element.value)
+        })
+        // Clear on submit
+        element.form.addEventListener('submit', function () {
+            localStorage.removeItem(elementName)
+        })
+    })
+})()
\ No newline at end of file
diff --git a/templates/editor.gohtml b/templates/editor.gohtml
index 52c4a8a..e3ccd0f 100644
--- a/templates/editor.gohtml
+++ b/templates/editor.gohtml
@@ -8,7 +8,7 @@
     <h2>{{ string .Blog.Lang "create" }}</h2>
     <form class="fw-form p" method="post">
       <input type="hidden" name="h" value="entry">
-      <textarea name="content" class="monospace h400p">---
+      <textarea name="content" class="monospace h400p formcache" id="create-input">---
 status: draft
 blog: {{ .BlogString }}
 section: 
@@ -60,6 +60,7 @@ tags:
       </select>
       <input class="fw" type="submit" value="{{ string .Blog.Lang "update" }}">
     </form>
+    <script defer src="{{ asset "js/formcache.js" }}"></script>
   </main>
 {{ end }}