Adding version string replace script in gulpfile

Author: muthurathinam-m

scripts/package-lock.json

@@ -5,6 +5,7 @@
 	"devDependencies": {
 		"gulp": "^4.0.0",
 		"gulp-json-modify": "^1.0.2",
+		"gulp-replace": "^1.0.0",
 		"yargs": "^13.2.2"
 	}
 }

scripts/package.json

@@ -1,4 +1,5 @@
 const { src, dest, series } = require("gulp");
+const replace = require("gulp-replace");
 const jsonModify = require("gulp-json-modify");
 const argv = require("yargs").argv;
 
@@ -12,4 +13,12 @@ function ReplaceVersionInJson () {
             .pipe(dest("../../"));
 }
 
-exports.ReplaceVersion = series(ReplaceVersionInJson);
+function ReplaceVersionInVersionFile() {
+	let DTVersionArr = argv.newVersion.split(".");
+	DTVersionArr.splice(2);
+	return src(["../../microsoft-graph.d.ts"])
+		.pipe(replace(/Type definitions for non-npm package microsoft-graph <VERSION_STRING>/g, `Type definitions for non-npm package microsoft-graph ${DTVersionArr.join(".")}`))
+		.pipe(dest("../../"));
+}
+
+exports.ReplaceVersion = series(ReplaceVersionInJson, ReplaceVersionInVersionFile);