:art: Improve exporting HTML/Word

kernel/model/appearance.go

@@ -65,6 +65,8 @@ func InitAppearance() {
 	}
 
 	Conf.Save()
+
+	util.InitEmojiChars()
 }
 
 func containTheme(name string, themes []*conf.AppearanceTheme) bool {

kernel/model/assets.go

@@ -962,7 +962,7 @@ func MissingAssets() (ret []string) {
 
 func emojisInTree(tree *parse.Tree) (ret []string) {
 	if icon := tree.Root.IALAttr("icon"); "" != icon {
-		if !strings.Contains(icon, "://") && !strings.HasPrefix(icon, "api/icon/") {
+		if !strings.Contains(icon, "://") && !strings.HasPrefix(icon, "api/icon/") && !util.NativeEmojiChars[icon] {
 			ret = append(ret, "/emojis/"+icon)
 		}
 	}

kernel/model/export.go

@@ -752,7 +752,6 @@ func ExportMarkdownHTML(id, savePath string, docx, merge bool) (name, dom string
 		to := filepath.Join(savePath, emoji)
 		if err := filelock.Copy(from, to); err != nil {
 			logging.LogErrorf("copy emojis from [%s] to [%s] failed: %s", from, to, err)
-			return
 		}
 	}
 
@@ -910,7 +909,6 @@ func ExportHTML(id, savePath string, pdf, image, keepFold, merge bool) (name, do
 			to := filepath.Join(savePath, emoji)
 			if err := filelock.Copy(from, to); err != nil {
 				logging.LogErrorf("copy emojis from [%s] to [%s] failed: %s", from, to, err)
-				return
 			}
 		}
 	}

kernel/util/rune.go

@@ -17,10 +17,13 @@
 package util
 
 import (
+	"os"
+	"path/filepath"
 	"regexp"
 	"unicode"
 
 	"github.com/88250/gulu"
+	"github.com/siyuan-note/logging"
 )
 
 func ContainsCJK(text string) bool {
@@ -65,3 +68,29 @@ func RemoveInvalid(text string) (ret string) {
 	ret = gulu.Str.RemovePUA(ret)
 	return
 }
+
+var NativeEmojiChars = map[string]bool{}
+
+func InitEmojiChars() {
+	builtConfPath := filepath.Join(AppearancePath, "emojis", "conf.json")
+	data, err := os.ReadFile(builtConfPath)
+	if err != nil {
+		logging.LogErrorf("read emojis conf.json failed: %s", err)
+		return
+	}
+
+	var conf []map[string]interface{}
+	if err = gulu.JSON.UnmarshalJSON(data, &conf); err != nil {
+		logging.LogErrorf("unmarshal emojis conf.json failed: %s", err)
+		return
+	}
+
+	for _, emoji := range conf {
+		items := emoji["items"].([]interface{})
+		for _, item := range items {
+			e := item.(map[string]interface{})
+			NativeEmojiChars[e["unicode"].(string)] = true
+		}
+	}
+	return
+}