minifying javascript with quote_keys is not working

Question

I'm minifying javascript using gulp.

My JS has objects like following

var a={"v":5}

But after minification it converts my object to following:

var a={v:5}// but I don't want it to remove quotes in keys

Because I'm using this javascript in chrome extension (basically I want to remove this error)

My gulp task is as following:

var uglify = require('gulp-uglify'); gulp.task('build1',function() { gulp.src(['../ext/app/background.js']).on('error', function(e){ console.log("error:",e) }).pipe(uglify({mangle:true,quote_keys:true})).on('error', function(e){ console.log("error1:",e) }).pipe(gulp.dest('../ext/app')); });

It's no difference between {v: 5} and {"v": 5}. Because in first case v will be string also. The error by link isnt related to your case. It is about a[key] vs a["key"] case — Andrey
– Andrey, Commented Jan 26, 2017 at 8:26

acesmndr · Accepted Answer · 2017-01-26 16:33:09Z

It's because you are passing the quote_keys as an option instead of enclosing it in output option in the gulpfile while using the gulp-uglify package. Try this and you will get the desired output.

 gulp.task('build1',function() { gulp.src(['a.js']).on('error', function(e){ console.log("error:",e) }).pipe(uglify({output:{quote_keys:true}})).on('error', function(e){ console.log("error1:",e) }).pipe(gulp.dest('app')); });

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