解决 multiple definition of 的编译错误

Author: HarlonWang

native/cpp/quickjs_extend_libraries.cpp

@@ -1,3 +1,6 @@
+#ifndef QUICKJS_EXTEND_LIBRARIES
+#define QUICKJS_EXTEND_LIBRARIES
+
 #include <string>
 #include "../quickjs/quickjs.h"
 
@@ -338,4 +341,6 @@ const char *CONSOLE = R"lit(// Init format at first.
 void loadExtendLibraries(JSContext *ctx) {
     JS_Eval(ctx, DATE_POLYFILL, strlen(DATE_POLYFILL), "date-polyfill.js", JS_EVAL_TYPE_GLOBAL);
     JS_FreeValue(ctx, JS_Eval(ctx, CONSOLE, strlen(CONSOLE), "console.js", JS_EVAL_TYPE_GLOBAL));
-}
+}
+
+#endif //QUICKJS_EXTEND_LIBRARIES

wrapper-js/src/index.mjs

@@ -16,6 +16,10 @@ if (existDir(FILE_CPP)) {
 
     // 以下开始写入扩展库代码
 
+    code += "#ifndef QUICKJS_EXTEND_LIBRARIES" + LINE
+    code += "#define QUICKJS_EXTEND_LIBRARIES" + LINE
+    code += LINE
+
     // include 引用文件
     code += `#include <string>` + LINE
     code += `#include "../quickjs/quickjs.h"` + LINE
@@ -56,5 +60,8 @@ if (existDir(FILE_CPP)) {
     // 入口方法结尾
     code += "}"
 
+    code += LINE.repeat(2)
+    code += "#endif //QUICKJS_EXTEND_LIBRARIES"
+
     writeToFile(FILE_CPP, code)
 })()