ypeError: require.extensions.hasOwnProperty is not a function

[czqinyes]

TypeError: require.extensions.hasOwnProperty is not a function at requireDir (F:\chenzaoqin\project\Study\MQTTBox-master\node_modules\require-dir\index.js:97:37) at Object.<anonymous> (F:\chenzaoqin\project\Study\MQTTBox-master\gulpfile.js:16:1) at Module._compile (internal/modules/cjs/loader.js:701:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10) at Module.load (internal/modules/cjs/loader.js:600:32) at tryModuleLoad (internal/modules/cjs/loader.js:539:12) at Function.Module._load (internal/modules/cjs/loader.js:531:3) at Module.require (internal/modules/cjs/loader.js:637:17) at require (internal/modules/cjs/helpers.js:22:18) at requireOrImport (C:\Users\Administrator\AppData\Roaming\npm\node_modules\gulp\node_modules\gulp-cli\lib\shared\require-or-import.js:19:11)

Error while gulp, comment line will ok.
// if (!require.extensions.hasOwnProperty(ext)) { // continue; // }

[HuangNO1]

the line is at MQTTBox/node_modules/require-dir/index.js : 97