Spine build script doesn't work

[RollinSafary]

Here is the error

ERROR in ./runtimes/spine-both.js
.../node_modules/phaser/node_modules/exports-loader/dist/cjs.js):
ValidationError: Invalid options object. Exports Loader has been initialized using an options object that does not match the API schema.
 - options misses the property 'exports'. Should be:
   non-empty string | object { name, syntax?, alias? } | [non-empty string | object { name, syntax?, alias? }, ...] (should not have fewer than 1 item)
    at validate (...node_modules\phaser\node_modules\schema-utils\dist\validate.js:96:11)
    at Object.loader (...\node_modules\phaser\node_modules\exports-loader\dist\index.js:28:28)
 @ ./SpinePlugin.js 12:12-28

[photonstorm]

Thank you for submitting this issue. We have fixed this and the fix has been pushed to the master branch. It will be part of the next release. If you get time to build and test it for yourself we would appreciate that.