TRAVIS show build error

[ibnishak]

Shows the following message when I tried to build my wiki at https://ibnishak.github.io/irreverant-mudblood/#

$:/core/modules/editor/engines/framed.js:35

this.iframeDoc = this.iframeNode.contentWindow.document;

                                              ^

TypeError: Cannot read property 'document' of undefined

at new FramedEngine ($:/core/modules/editor/engines/framed.js:35:48)

at EditTextWidget.render ($:/core/modules/editor/factory.js:60:17)

at $:/core/modules/widgets/widget.js:346:15

at Object.$tw.utils.each (/home/travis/.nvm/versions/node/v7.0.0/lib/node_modules/tiddlywiki/boot/boot.js:69:12)

at EditWidget.Widget.renderChildren ($:/core/modules/widgets/widget.js:345:12)

at EditWidget.render ($:/core/modules/widgets/edit.js:33:7)

at $:/core/modules/widgets/widget.js:346:15

at Object.$tw.utils.each (/home/travis/.nvm/versions/node/v7.0.0/lib/node_modules/tiddlywiki/boot/boot.js:69:12)

at TranscludeWidget.Widget.renderChildren ($:/core/modules/widgets/widget.js:345:12)

at TranscludeWidget.render ($:/core/modules/widgets/transclude.js:33:7)

The command "tiddlywiki ./*wiki --build" exited with 1.

[danielo515]

Seems that Travis is trying to emulate some kind of browser engine, which is unnecessary because tiddlywiky works fine under node. I have to investigate the cause because I don't have much expertise with Travis