fix: fix eslint errors [skip ci]

Author: aminya

dist/node12/setup_cpp.js

@@ -60,7 +60,7 @@ export async function setupDoxygen(version: string, setupDir: string, arch: stri
     }
     case "linux": {
       let installationInfo: InstallationInfo
-      if (version === "" || version === undefined || isArch() || hasDnf()) {
+      if (version === "" || isArch() || hasDnf()) {
         if (isArch()) {
           installationInfo = setupPacmanPack("doxygen", version)
         } else if (hasDnf()) {

dist/node12/setup_cpp.js.map

@@ -6,7 +6,7 @@ import ciDetect from "@npmcli/ci-detect"
 jest.setTimeout(300000)
 describe("setup-powershell", () => {
   it("should setup powershell", async () => {
-    if (process.platform === "win32" && ciDetect() == "github-actions") {
+    if (process.platform === "win32" && ciDetect() === "github-actions") {
       // results in errors
       return
     }

dist/node16/setup_cpp.js

@@ -34,7 +34,7 @@ export async function addEnv(name: string, valGiven: string | undefined, shouldE
 }
 
 function escapeString(valGiven: string, shouldEscapeSpace: boolean = false) {
-  const spaceEscaped = shouldEscapeSpace ? escapeSpace(valGiven) : valGiven ?? ""
+  const spaceEscaped = shouldEscapeSpace ? escapeSpace(valGiven) : valGiven
   return escapeQuote(spaceEscaped, '"', "\\")
 }