frontmatter conversion into toml is done in native host

app/c.js

@@ -1,37 +1,39 @@
 function captureFrontMatterAndMarkdown() {
-  console.log(location.pathname.split('/public')[0])
   const formData = new FormData(document.querySelector("form"))
-  let frontmatter = "---\n"
-  for (const k of formData.keys()) {
-    // draft, iscjklanguage are default implicit (false) params in hugo
-    if (["draft", "iscjklanguage"].includes(k)){
-      if (formData.get(k) === "true") {
-        frontmatter += `${k}: true\n`
-      }
-    } else if (k.endsWith('[]')) {
-      formData.set(k, formData.getAll(k))
-      var s = JSON.stringify(formData.getAll(k)[0].split(","))
-      if (s != "") {
-        frontmatter += `${k.slice(0, -2)}: ${s}\n`
-      }
-    } else if (k == "relpath") {
-      filepath = `${location.pathname.split('/public')[0]}/content/${formData.get(k)}`
-      gitpath = `${location.pathname.split('/public')[0]}`
-    } else if (k == "relpermalink") { 
-      publishpath = `${location.pathname.split('/public')[0]}/public${formData.get(k)}index.html`
-    } else if (["protocol", "offline", "ignore"].includes(k)) {
-      continue 
+
+  var formDataJSON = {};
+  formData.forEach((value, key) => {
+    if(key.endsWith('[]')){
+      let kie = key.slice(0, -2);
+      (kie in formDataJSON) || (formDataJSON[kie] = [])
+      formDataJSON[kie].push(value);
+    } else if (['draft', 'iscjklanguage'].includes(key) && value!="true") {
+      return
+    } else if (key == "relpath"){
+      filepath = `${location.pathname.split('/public')[0]}/content/${value}`;
+      gitpath = `${location.pathname.split('/public')[0]}`;
+    } else if (key == "relpermalink" ){
+      publishpath = `${location.pathname.split('/public')[0]}/public${value}index.html`;
+    } else if (["protocol", "offline", "ignore"].includes(key)) {
+      return
     } else {
-      var s = JSON.stringify(formData.get(k))
-      frontmatter += `${k}: ${s}\n`
+      formDataJSON[key] = value
     }
-  }
-  frontmatter += "---\n"
+  });
+  
   const content = document.querySelector('textarea').value
-  let doc = frontmatter + "\n" + content
   let publish = formData.get("publish") == "on" ? true : false
   let offline = formData.get("offline") == "on" ? true : false
-  return {"hugopage": doc, "filepath": filepath, "gitpath": gitpath, "publishpath": publishpath, "publish": publish, "offline": offline, "protocol": document.location.protocol.substr(0,4)}
+  return {
+    "hugofrontmatter": JSON.stringify(formDataJSON),
+    "hugocontent": content,
+    "filepath": filepath,
+    "gitpath": gitpath,
+    "publishpath": publishpath,
+    "publish": publish,
+    "offline": offline,
+    "protocol": document.location.protocol.substr(0,4)
+  }
 }
 
 let sb = document.getElementById('sandpointsButton')

native-host/src/go.mod

@@ -2,4 +2,7 @@ module main
 
 go 1.15
 
-require github.com/go-git/go-git/v5 v5.2.0
+require (
+	github.com/go-git/go-git/v5 v5.2.0
+	github.com/pelletier/go-toml v1.9.2 // indirect
+)

native-host/src/go.sum

@@ -32,6 +32,8 @@ github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
+github.com/pelletier/go-toml v1.9.2 h1:7NiByeVF4jKSG1lDF3X8LTIkq2/bu+1uYbIm1eS5tzk=
+github.com/pelletier/go-toml v1.9.2/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0=

native-host/src/main.go

@@ -17,6 +17,7 @@ import (
 
 	"github.com/go-git/go-git/v5"
 	"github.com/go-git/go-git/v5/plumbing/object"
+	"github.com/pelletier/go-toml"
 )
 
 // this project started by copying:
@@ -38,13 +39,14 @@ var bufferSize = 8192 * 8
 
 // IncomingMessage represents a message sent to the native host.
 type IncomingMessage struct {
-	Hugopage    string `json:"hugopage"`
-	Filepath    string `json:"filepath"`
-	Gitpath     string `json:"gitpath"`
-	Publishpath string `json:"publishpath"`
-	Publish     bool   `json:"publish"`
-	Offline     bool   `json:"offline"`
-	Protocol    string `json:"protocol"`
+	Hugocontent     string `json:"hugocontent"`
+	Hugofrontmatter string `json:"hugofrontmatter"`
+	Filepath        string `json:"filepath"`
+	Gitpath         string `json:"gitpath"`
+	Publishpath     string `json:"publishpath"`
+	Publish         bool   `json:"publish"`
+	Offline         bool   `json:"offline"`
+	Protocol        string `json:"protocol"`
 }
 
 // OutgoingMessage respresents a response to an incoming message query.
@@ -157,7 +159,16 @@ func commitChangeToGit(iMsg IncomingMessage) {
 	relPathFile := filepath.Join(strings.ReplaceAll(iMsg.Filepath, iMsg.Gitpath+"/", ""))
 	// err = ioutil.WriteFile(iMsg.Filepath, []byte(iMsg.Hugopage), 0644)
 	// check(err)
-	writeMessageToFile(iMsg.Filepath, iMsg.Hugopage)
+	var frontmatter map[string]interface{}
+	json.Unmarshal([]byte(iMsg.Hugofrontmatter), &frontmatter)
+	Trace.Printf("Frontmatter JSON: %s", &frontmatter)
+	tml, err := toml.TreeFromMap(frontmatter)
+	if err != nil {
+		Error.Printf("ERROR: Frontmatter JSON to TML:", err)
+	}
+	tomlFrontmatter := fmt.Sprintf("+++\n%s+++\n", tml)
+	Trace.Printf("TOML Frontmatter:", tml)
+	writeMessageToFile(iMsg.Filepath, fmt.Sprintf("%s%s", tomlFrontmatter, iMsg.Hugocontent))
 	_, err = w.Add(relPathFile)
 	if err != nil {
 		Error.Printf("ERROR: Go-git Add:", err)