Fix the tsify-import

gulpfile.ts

@@ -12,6 +12,7 @@ import terser = require("gulp-terser");
 import merge = require("merge-stream");
 import minimist = require("minimist");
 import { parseArgsStringToArgv } from "string-argv";
+import tsify = require("tsify");
 import Path = require("upath");
 import buffer = require("vinyl-buffer");
 import vinylSourceStream = require("vinyl-source-stream");
@@ -277,8 +278,7 @@ export function Library(): NodeJS.ReadWriteStream
             }
 
             bundler.plugin(
-                // eslint-disable-next-line @typescript-eslint/no-var-requires
-                require("tsify"),
+                tsify,
                 {
                     project: tsConfigFile
                 });