Sourcemap not generated

[nickknissen]

Expected Behavior

Sourcemap for vue-charts.js should be generated when running npm run build or yarn build

Actual Behavior

The sourcemap is not generated.

Environment

• vue.js version: 2.5.13
• vue-chart.js version: 3.11
• npm version: 5.5.1

[apertureless]

Will check on this 👍