Adding weak attribute to weak-node-api symbols

Author: kraenhansen

packages/weak-node-api/scripts/generate-weak-node-api.ts

@@ -24,7 +24,7 @@ export function generateHeader(functions: FunctionDecl[]) {
       ({ returnType, noReturn, name, argumentTypes }) =>
         `${returnType} ${
           noReturn ? " __attribute__((noreturn))" : ""
-        }(*${name})(${argumentTypes.join(", ")});`,
+        } (*${name})(${argumentTypes.join(", ")});`,
     ),
     "};",
     "typedef void(*InjectHostFunction)(const WeakNodeApiHost&);",
@@ -50,7 +50,7 @@ export function generateSource(functions: FunctionDecl[]) {
       return [
         `extern "C" ${returnType} ${
           noReturn ? " __attribute__((noreturn))" : ""
-        }${name}(${argumentTypes
+        } __attribute__((weak)) ${name}(${argumentTypes
           .map((type, index) => `${type} arg${index}`)
           .join(", ")}) {`,
         `if (g_host.${name} == nullptr) {`,