should_skip_non_japanese config for VOICEVOX.

Author: ynn

config/config.go

@@ -13,12 +13,12 @@ type CoefontConfig struct {
 }
 
 type VoicevoxConfig struct {
-	Enabled           bool    `json:"enabled"`
-	ShouldSkipEnglish bool    `json:"should_skip_english"`
-	APIKey            string  `json:"api_key"`
-	URL               string  `json:"url"`
-	Speaker           string  `json:"speaker"`
-	Speed             float64 `json:"speed"`
+	Enabled               bool    `json:"enabled"`
+	ShouldSkipNonJapanese bool    `json:"should_skip_non_japanese"`
+	APIKey                string  `json:"api_key"`
+	URL                   string  `json:"url"`
+	Speaker               string  `json:"speaker"`
+	Speed                 float64 `json:"speed"`
 }
 
 type ReadlineConfig struct {

main.go

@@ -9,12 +9,12 @@ import "os"
 import "strings"
 
 import "github.com/chzyer/readline"
-import "golang.org/x/exp/utf8string"
 
 import "coefontuber/coefont"
 import "coefontuber/voicevox"
 import "coefontuber/config"
 import "coefontuber/play"
+import "coefontuber/util"
 
 const (
 	configFile   = "./config.json"
@@ -149,7 +149,7 @@ func main() {
 		var resultChannel = make(chan string)
 
 		if config.Voicevox.Enabled { //VOICEVOX
-			if config.Voicevox.ShouldSkipEnglish && utf8string.NewString(line).IsASCII() {
+			if config.Voicevox.ShouldSkipNonJapanese && !util.IsJapanese(line) {
 				fmt.Println()
 				continue
 			}

template_config.json

@@ -7,7 +7,7 @@
     },
     "voicevox": {
         "enabled": false,
-        "should_skip_english": true,
+        "should_skip_non_japanese": true,
         "url": "https://api.su-shiki.com/v2/voicevox/audio/",
         "api_key": "U3PxH58855e999O",
         "speaker": "a8cc6d22-aad0-4ab8-bf1e-2f843924164a",

util/util.go

@@ -0,0 +1,13 @@
+package util
+
+import "unicode"
+
+func IsJapanese(s string) bool {
+	for _, c := range s {
+		if unicode.In(c, unicode.Hiragana, unicode.Katakana, unicode.Han) {
+			return true
+		}
+
+	}
+	return false
+}

util/util_test.go

@@ -0,0 +1,23 @@
+package util
+
+import "testing"
+
+func f(t *testing.T, s string, expected bool) {
+	if IsJapanese(s) != expected {
+		t.Fatal(s)
+	}
+}
+
+func Test(t *testing.T) {
+	f(t, "hello", false)
+	f(t, "342352", false)
+	f(t, "🌙", false)
+	f(t, "사랑합니다", false)
+	f(t, "０１２３４", false)
+	f(t, "ｄｅｆｇｈ", false)
+
+	f(t, "你好", true)
+	f(t, "あ", true)
+	f(t, "ABCコンテスト", true)
+	f(t, "表現", true)
+}