install gulp to process code

node_modules/yargs/build/lib/utils/process-argv.js

@@ -0,0 +1,17 @@
+function getProcessArgvBinIndex() {
+    if (isBundledElectronApp())
+        return 0;
+    return 1;
+}
+function isBundledElectronApp() {
+    return isElectronApp() && !process.defaultApp;
+}
+function isElectronApp() {
+    return !!process.versions.electron;
+}
+export function hideBin(argv) {
+    return argv.slice(getProcessArgvBinIndex() + 1);
+}
+export function getProcessArgvBin() {
+    return process.argv[getProcessArgvBinIndex()];
+}