npm run build: SyntaxError: Unexpected token: operator (>)

[selfup]

First of all, thank you for such a great tool!

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Started the project with: vue init browserify project-name
Everything works fine with npm run watchify as well as npm run dev
Here is the Repo: https://github.com/selfup/vue-reegux-example-repo

Which uses: https://github.com/selfup/vue-reegux (a state manager I made. So it could potentially be the install method I expose)

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vue -V => 2.3.1
node v6.6.0
npm v3.10.8

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Once I npm run build

> vue-reegux-example-repo@ build /Users/RJPB2/VUE/vue-reegux-example-repo
> cross-env NODE_ENV=production browserify -g envify -p [ vueify/plugins/extract-css -o dist/build.css ] -e src/main.js | uglifyjs -c warnings=false -m > dist/build.js

Parse error at -:185,40
SyntaxError: Unexpected token: operator (>)
Error
    at new JS_Parse_Error (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:1545:18)
    at js_error (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:1553:11)
    at croak (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2092:9)
    at token_error (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2100:9)
    at unexpected (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2106:9)
    at expr_atom (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2633:9)
    at maybe_unary (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2795:19)
    at expr_ops (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2830:24)
    at maybe_conditional (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2835:20)
    at maybe_assign (eval at <anonymous> (/Users/RJPB2/VUE/vue-reegux-example-repo/node_modules/uglify-js/tools/node.js:28:1), <anonymous>:2859:20)

[egoist]

The main entry of your vue-reegux is written in ES6, use a compiled version instead. Browserify does not seem to transform modules in node_modules/* by default, but here's some alternative babel/babelify#53

[selfup]

@egoist Thank you so much. That makes complete sense!