x

core/node_os.go

@@ -1,14 +1,18 @@
 package core
 
 import (
+	"bytes"
 	"errors"
 	"io/ioutil"
 	"os"
 	"path/filepath"
 	"runtime"
+	"strings"
 
-	iconv "github.com/djimenez/iconv-go"
 	"github.com/dop251/goja"
+	"golang.org/x/net/html/charset"
+	"golang.org/x/text/encoding/ianaindex"
+	"golang.org/x/text/transform"
 )
 
 func getJsOs(vm *goja.Runtime, running func() bool) *goja.Object {
@@ -21,29 +25,44 @@ func getJsOs(vm *goja.Runtime, running func() bool) *goja.Object {
 		return data
 	})
 	jsos.Set("readFileSync", func(path string) string {
-		content, err := ioutil.ReadFile(path)
+		// 读取文件内容
+		content, err := ioutil.ReadFile("example.txt")
 		if err != nil {
 			panic(Error(vm, err))
 		}
-		// 自动转换编码为UTF-8
-		utf8Content, err := iconv.ConvertString(string(content), "auto", "utf-8")
+
+		// 从文件内容中自动检测编码
+		encoding, _, _ := charset.DetermineEncoding(content, "")
+
+		// 创建一个将编码转换为 UTF-8 的转换器
+		utf8Reader := transform.NewReader(bytes.NewReader(content), encoding.NewDecoder())
+
+		// 读取转换后的 UTF-8 数据
+		utf8Content, err := ioutil.ReadAll(utf8Reader)
 		if err != nil {
 			panic(Error(vm, err))
 		}
-		return utf8Content
+		return string(utf8Content)
 	})
 
 	jsos.Set("writeFileSync", func(path, content string, encode string) {
-		// 将文本内容转换为GBK编码
-		var err error
-		if !(encode == "" || encode == "utf-8") {
-			content, err = iconv.ConvertString(content, "utf-8", encode)
-			if err != nil {
-				panic(Error(vm, err))
-			}
+
+		encode = strings.ToLower(encode)
+		if encode == "" {
+			encode = "utf-8"
 		}
-		// 将文本内容以GBK编码写入文件
-		err = ioutil.WriteFile(path, []byte(content), 0644)
+		// 将UTF-8编码的文本转换为指定编码
+		index := ianaindex.MIME
+		enc, err := index.Encoding(encode)
+		if err != nil {
+			panic(Error(vm, err))
+		}
+		converted, _, err := transform.String(enc.NewEncoder(), content)
+		if err != nil {
+			panic(Error(vm, err))
+		}
+		// 覆盖写入文件
+		err = os.WriteFile(path, []byte(converted), 0644)
 		if err != nil {
 			panic(Error(vm, err))
 		}