1. Running gulp reports an error Cannot find module ‘gulp-sass’

module.js:339throw err;

Error: Cannot find module ‘gulp-sass’

at Function.Module._resolveFilename (module.js:337:15) at Function.Module._load (module.js:287:25) at Module.require (module.js:366:17) at require (module.js:385:17) at Object.<anonymous> (/Applications/XAMPP/xamppfiles/htdocs/flyscoot.com/gulpfile.js:2:12) at Module._compile (module.js:435:26) at Object.Module._extensions..js (module.js:442:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:311:12) at Module.require (module.js:366:17)

Solution:

1.npm update

2.npm install gulp-sass --save-devin your root folder

2. if it report error: gulp[12560]: c:\ws\src\node_contextify.cc:635: Assertion `args[1]->IsString()’ failed.

Installing the node.js native javascript module natives

Solution

npm install natives

—————gulp————-

//Global gulp

npm install gulp -g

// install the specified module in the project via package.json

npm install

start: gulp watch