npm run dev errors out

[nbransby]

$ npm run dev

@stencil/starter@0.0.1 dev
sd concurrent "stencil build --dev --watch" "stencil-dev-server"

[57:27.1] @stencil/core v0.1.6
[57:27.2] build, app, dev mode, started ...
[57:27.2] compile started ...
[ WARN ] @PropDidChange('pageNum') decorator within "list-container" component has been deprecated. Please update to
@watch('pageNum').
[57:39.6] compile finished in 12.41 s
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/action-sheet-controller/action-sheet-controller.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/alert-controller/alert-controller.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/app/app.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/buttons/buttons.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/grid/col.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/content/content.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/fab/fab-container.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/fab/fab-list.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/footer/footer.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/header/header.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/dependencies/icon/icon.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/item/item.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/item-divider/item-divider.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/item-sliding/item-options.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/item-sliding/item-option.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/item-sliding/item-sliding.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/label/label.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/list/list.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/list-header/list-header.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/loading-controller/loading-controller.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/menu/menu-controller.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/modal-controller/modal-controller.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/toolbar/navbar.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/page/page.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/popover-controller/popover-controller.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/radio/radio-group.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/range/range-knob.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/reorder/reorder.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/grid/row.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/segment-button/segment-button.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/select-option/select-option.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/select/select-popover.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/skeleton-text/skeleton-text.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/tabs/tab.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/tabs/tab-bar.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/tabs/tab-button.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/tabs/tab-highlight.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/title/title.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/toast-controller/toast-controller.js:
TypeError: Cannot read property 'map' of undefined
[ ERROR ] error performing compiler upgrade on
/node_modules/@ionic/core/dist/collection/components/toolbar/toolbar.js:
TypeError: Cannot read property 'map' of undefined
[57:41.8] bundle styles started ...
[57:42.0] bundle modules started ...
[57:43.6] bundle styles finished in 1.76 s
[57:44.8] bundle modules finished in 2.88 s
[57:44.8] generate bundles started ...
[57:44.8] generate bundles finished in 12 ms

[ ERROR ] Error parsing: bundle:ion-segment.ion-segment-button, line: 2, column: 9

[ ERROR ] rollup died at
\node_modules@stencil\core\dist\compiler\index.js:1781:19 at
Generator.throw () at rejected
(\node_modules@stencil\core\dist\compiler\index.js:1748:65) at

[ ERROR ] Error parsing: bundle:ion-col.ion-grid.ion-row, line: 1, column: 9

[ ERROR ] Error parsing: bundle:ion-menu.ion-menu-controller, line: 2, column: 9

[ ERROR ] Error parsing: bundle:ion-radio.ion-radio-group, line: 2, column: 9

[ ERROR ] Error parsing: bundle:ion-range.ion-range-knob, line: 2, column: 9

[ ERROR ] Error parsing: bundle:ion-fab.ion-fab-button.ion-fab-list, line: 1, column: 9

[ ERROR ] Error parsing: bundle:ion-reorder.ion-reorder-group, line: 1, column: 9

[ ERROR ] Error parsing: bundle:ion-button.ion-buttons.ion-icon, line: 2, column: 9

[ ERROR ] Error parsing: bundle:ion-select.ion-select-option.ion-select-popover, line: 2, column: 9

[ ERROR ] Error parsing: bundle:ion-tab.ion-tab-bar.ion-tab-button.ion-tab-highlight.ion-tabs, line: 1, column: 9

[ ERROR ] Error parsing: bundle:ion-alert.ion-alert-controller, line: 2, column: 9

[ ERROR ] Error parsing: bundle:ion-action-sheet.ion-action-sheet-controller, line: 2, column: 9

[ ERROR ] Error parsing: bundle:ion-loading.ion-loading-controller, line: 2, column: 9

[ ERROR ] Error parsing: bundle:ion-toast.ion-toast-controller, line: 2, column: 9

[57:56.5] build failed, watching for changes... in 29.33 s

[kresnasatya]

I just face that issue. We hope Stencil team can fix it!

[jgw96]

Hello all! Ill look into fixing this. This example needs to be updated.