fix(package): do not access window/document in ssr

src/addons/Portal/Portal.js

@@ -6,6 +6,7 @@ import {
   AutoControlledComponent as Component,
   customPropTypes,
   keyboardKey,
+  isBrowser,
   makeDebugger,
   META,
 } from '../../lib'
@@ -112,6 +113,7 @@ class Portal extends Component {
     closeOnDocumentClick: true,
     closeOnEscape: true,
     openOnTriggerClick: true,
+    mountNode: isBrowser ? document.body : null,
   }
 
   static autoControlledProps = [
@@ -322,6 +324,9 @@ class Portal extends Component {
 
     this.mountPortal()
 
+    // Server side rendering
+    if (!isBrowser) return null
+
     this.node.className = className || ''
 
     ReactDOM.unstable_renderSubtreeIntoContainer(
@@ -337,11 +342,11 @@ class Portal extends Component {
   }
 
   mountPortal = () => {
-    if (this.node) return
+    if (!isBrowser || this.node) return
 
     debug('mountPortal()')
 
-    const { mountNode = document.body, prepend } = this.props
+    const { mountNode, prepend } = this.props
 
     this.node = document.createElement('div')
 
@@ -359,7 +364,7 @@ class Portal extends Component {
   }
 
   unmountPortal = () => {
-    if (!this.node) return
+    if (!isBrowser || !this.node) return
 
     debug('unmountPortal()')
 

src/lib/index.js

@@ -20,6 +20,7 @@ export {
 export * from './factories'
 export { default as getUnhandledProps } from './getUnhandledProps'
 export { default as getElementType } from './getElementType'
+export { default as isBrowser } from './isBrowser'
 export * as META from './META'
 export * as SUI from './SUI'
 

src/lib/isBrowser.js

@@ -0,0 +1,4 @@
+const hasDocument = typeof document === 'object'
+const hasWindow = typeof window === 'object' || window.self === window
+
+export default hasDocument && hasWindow

src/modules/Dimmer/Dimmer.js

@@ -6,6 +6,7 @@ import {
   customPropTypes,
   getElementType,
   getUnhandledProps,
+  isBrowser,
   META,
   useKeyOnly,
 } from '../../lib'
@@ -60,9 +61,13 @@ export default class Dimmer extends Component {
 
   static Dimmable = DimmerDimmable
 
-  handlePortalMount = () => document.body.classList.add('dimmed', 'dimmable')
+  handlePortalMount = () => {
+    if (isBrowser) document.body.classList.add('dimmed', 'dimmable')
+  }
 
-  handlePortalUnmount = () => document.body.classList.remove('dimmed', 'dimmable')
+  handlePortalUnmount = () => {
+    if (isBrowser) document.body.classList.remove('dimmed', 'dimmable')
+  }
 
   handleClick = (e) => {
     const { onClick, onClickOutside } = this.props
@@ -98,12 +103,12 @@ export default class Dimmer extends Component {
     const ElementType = getElementType(Dimmer, this.props)
 
     const childrenJSX = (children || content) && (
-      <div className='content'>
-        <div className='center' ref={center => (this.center = center)}>
-          { children || content }
+        <div className='content'>
+          <div className='center' ref={center => (this.center = center)}>
+            { children || content }
+          </div>
         </div>
-      </div>
-    )
+      )
 
     if (page) {
       return (

src/modules/Dropdown/Dropdown.js

@@ -8,6 +8,7 @@ import {
   customPropTypes,
   getElementType,
   getUnhandledProps,
+  isBrowser,
   keyboardKey,
   makeDebugger,
   META,
@@ -306,6 +307,9 @@ export default class Dropdown extends Component {
     // TODO objectDiff still runs in prod, stop it
     debug('to state:', objectDiff(prevState, this.state))
 
+    // Do not access document when server side rendering
+    if (!isBrowser) return
+
     // focused / blurred
     if (!prevState.focus && this.state.focus) {
       debug('dropdown focused')
@@ -357,6 +361,10 @@ export default class Dropdown extends Component {
 
   componentWillUnmount() {
     debug('componentWillUnmount()')
+
+    // Do not access document when server side rendering
+    if (!isBrowser) return
+
     document.removeEventListener('keydown', this.openOnArrow)
     document.removeEventListener('keydown', this.openOnSpace)
     document.removeEventListener('keydown', this.moveSelectionOnKeyDown)
@@ -495,12 +503,16 @@ export default class Dropdown extends Component {
     const { onMouseDown } = this.props
     if (onMouseDown) onMouseDown(e)
     this.isMouseDown = true
+    // Do not access document when server side rendering
+    if (!isBrowser) return
     document.addEventListener('mouseup', this.handleDocumentMouseUp)
   }
 
   handleDocumentMouseUp = () => {
     debug('handleDocumentMouseUp()')
     this.isMouseDown = false
+    // Do not access document when server side rendering
+    if (!isBrowser) return
     document.removeEventListener('mouseup', this.handleDocumentMouseUp)
   }
 
@@ -757,6 +769,8 @@ export default class Dropdown extends Component {
 
   scrollSelectedItemIntoView = () => {
     debug('scrollSelectedItemIntoView()')
+    // Do not access document when server side rendering
+    if (!isBrowser) return
     const menu = document.querySelector('.ui.dropdown.active.visible .menu.visible')
     const item = menu.querySelector('.item.selected')
     debug(`menu: ${menu}`)

src/modules/Modal/Modal.js

@@ -12,6 +12,7 @@ import {
   customPropTypes,
   getElementType,
   getUnhandledProps,
+  isBrowser,
   makeDebugger,
   META,
   useKeyOnly,
@@ -79,6 +80,8 @@ class Modal extends Component {
 
   static defaultProps = {
     dimmer: true,
+    // Do not access document when server side rendering
+    mountNode: isBrowser ? document.body : null,
   }
 
   static _meta = _meta
@@ -106,8 +109,7 @@ class Modal extends Component {
 
   handlePortalMount = (e) => {
     debug('handlePortalMount()')
-    const { dimmer } = this.props
-    const mountNode = this.getMountNode()
+    const { dimmer, mountNode } = this.props
 
     if (dimmer) {
       debug('adding dimmer')
@@ -131,7 +133,7 @@ class Modal extends Component {
     // Always remove all dimmer classes.
     // If the dimmer value changes while the modal is open, then removing its
     // current value could leave cruft classes previously added.
-    const mountNode = this.getMountNode()
+    const { mountNode } = this.props
     mountNode.classList.remove('blurring', 'dimmable', 'dimmed', 'scrollable')
 
     cancelAnimationFrame(this.animationRequestId)
@@ -140,13 +142,9 @@ class Modal extends Component {
     if (onUnmount) onUnmount(e, this.props)
   }
 
-  getMountNode = () => {
-    return this.props.mountNode || document.body
-  }
-
   setPosition = () => {
     if (this._modalNode) {
-      const mountNode = this.getMountNode()
+      const { mountNode } = this.props
       const { height } = this._modalNode.getBoundingClientRect()
       const scrolling = height >= window.innerHeight
 
@@ -171,7 +169,11 @@ class Modal extends Component {
   }
 
   render() {
-    const { basic, children, className, dimmer, size } = this.props
+    const { basic, children, className, dimmer, mountNode, size } = this.props
+
+    // Short circuit when server side rendering
+    if (!isBrowser) return null
+
     const { marginTop, scrolling } = this.state
     const classes = cx(
       'ui',
@@ -218,7 +220,7 @@ class Modal extends Component {
         closeOnDocumentClick={false}
         {...portalProps}
         className={dimmerClasses}
-        mountNode={this.getMountNode()}
+        mountNode={mountNode}
         onClose={this.handleClose}
         onMount={this.handlePortalMount}
         onOpen={this.handleOpen}

src/modules/Popup/Popup.js

@@ -4,6 +4,7 @@ import _ from 'lodash'
 import {
   getElementType,
   getUnhandledProps,
+  isBrowser,
   META,
   SUI,
   useKeyOnly,
@@ -117,6 +118,10 @@ export default class Popup extends Component {
 
   computePopupStyle(positions) {
     const style = { position: 'absolute' }
+
+    // Do not access window/document when server side rendering
+    if (!isBrowser) return style
+
     const { offset } = this.props
     const { pageYOffset, pageXOffset } = window
     const { clientWidth, clientHeight } = document.documentElement

src/modules/Search/Search.js

@@ -7,6 +7,7 @@ import {
   customPropTypes,
   getElementType,
   getUnhandledProps,
+  isBrowser,
   keyboardKey,
   makeDebugger,
   META,
@@ -191,6 +192,9 @@ export default class Search extends Component {
     // TODO objectDiff still runs in prod, stop it
     debug('to state:', objectDiff(prevState, this.state))
 
+    // Do not access document when server side rendering
+    if (!isBrowser) return
+
     // focused / blurred
     if (!prevState.focus && this.state.focus) {
       debug('search focused')
@@ -232,6 +236,10 @@ export default class Search extends Component {
 
   componentWillUnmount() {
     debug('componentWillUnmount()')
+
+    // Do not access document when server side rendering
+    if (!isBrowser) return
+
     document.removeEventListener('keydown', this.moveSelectionOnKeyDown)
     document.removeEventListener('keydown', this.selectItemOnEnter)
     document.removeEventListener('keydown', this.closeOnEscape)
@@ -306,12 +314,16 @@ export default class Search extends Component {
     const { onMouseDown } = this.props
     if (onMouseDown) onMouseDown(e)
     this.isMouseDown = true
+    // Do not access document when server side rendering
+    if (!isBrowser) return
     document.addEventListener('mouseup', this.handleDocumentMouseUp)
   }
 
   handleDocumentMouseUp = () => {
     debug('handleDocumentMouseUp()')
     this.isMouseDown = false
+    // Do not access document when server side rendering
+    if (!isBrowser) return
     document.removeEventListener('mouseup', this.handleDocumentMouseUp)
   }
 
@@ -431,6 +443,8 @@ export default class Search extends Component {
 
   scrollSelectedItemIntoView = () => {
     debug('scrollSelectedItemIntoView()')
+    // Do not access document when server side rendering
+    if (!isBrowser) return
     const menu = document.querySelector('.ui.search.active.visible .results.visible')
     const item = menu.querySelector('.result.active')
     debug(`menu (results): ${menu}`)
@@ -493,9 +507,9 @@ export default class Search extends Component {
     return (
       <div className='message empty'>
         <div className='header'>{noResultsMessage}</div>
-        {noResultsDescription &&
+        {noResultsDescription && (
           <div className='description'>{noResultsDescription}</div>
-        }
+        )}
       </div>
     )
   }