fix null in Timeline.html get() (#205)

routes/_components/compose/ComposeAutosuggest.html

@@ -59,14 +59,14 @@
       // perf improves for input responsiveness
       this.observe('composeSelectionStart', () => {
         scheduleIdleTask(() => {
-          let { composeSelectionStart } = this.get() || {} // TODO: wtf svelte?
+          let { composeSelectionStart } = this.get() || {} // // https://github.com/sveltejs/svelte/issues/1354
           this.set({composeSelectionStartDeferred: composeSelectionStart})
         })
       })
       this.observe('composeFocused', (composeFocused) => {
         let updateFocusedState = () => {
           scheduleIdleTask(() => {
-            let { composeFocused } = this.get() || {} // TODO: wtf svelte?
+            let { composeFocused } = this.get() || {} // // https://github.com/sveltejs/svelte/issues/1354
             this.set({composeFocusedDeferred: composeFocused})
           })
         }

routes/_components/compose/ComposeLengthGauge.html

@@ -31,7 +31,7 @@
       this.observe('lengthAsFraction', () => {
         scheduleIdleTask(() => {
           mark('set lengthAsFractionDeferred')
-          let { lengthAsFraction } = this.get() || {} // TODO: wtf svelte?
+          let { lengthAsFraction } = this.get() || {} // https://github.com/sveltejs/svelte/issues/1354
           this.set({lengthAsFractionDeferred: lengthAsFraction})
           stop('set lengthAsFractionDeferred')
           requestAnimationFrame(() => this.set({shouldAnimate: true}))

routes/_components/compose/ComposeLengthIndicator.html

@@ -29,7 +29,7 @@
       this.observe('lengthToDisplay', () => {
         scheduleIdleTask(() => {
           mark('set lengthToDisplayDeferred')
-          let { lengthToDisplay } = this.get() || {} // TODO: wtf svelte?
+          let { lengthToDisplay } = this.get() || {} // // https://github.com/sveltejs/svelte/issues/1354
           this.set({lengthToDisplayDeferred: lengthToDisplay})
           stop('set lengthToDisplayDeferred')
         })

routes/_components/pseudoVirtualList/PseudoVirtualListItem.html

@@ -26,7 +26,7 @@
           // unrender lazily; it's not a critical UI task
           scheduleIdleTask(() => {
             mark('unrender')
-            let { isIntersecting } = this.get() || {} // TODO: wtf svelte?
+            let { isIntersecting } = this.get() || {} // https://github.com/sveltejs/svelte/issues/1354
             if (!isIntersecting) {
               this.set({hide: true})
             }

routes/_components/timeline/Timeline.html

@@ -166,13 +166,12 @@
         this.set({scrollTop: scrollTop})
       },
       onScrollToBottom () {
-        let {
-          timelineInitialized,
-          runningUpdate
-        } = this.store.get()
-        let {
-          timelineType
-        } = this.get()
+        let state = this.store.get()
+        if (!state) {
+          return // https://github.com/sveltejs/svelte/issues/1354
+        }
+        let { timelineType } = state
+        let { timelineInitialized, runningUpdate } = this.store.get()
         if (!timelineInitialized ||
             runningUpdate ||
             timelineType === 'status') { // for status contexts, we've already fetched the whole thread
@@ -198,7 +197,7 @@
         let { currentInstance } = this.store.get()
         let { timeline } = this.get()
         let handleItemIdsToAdd = () => {
-          let { itemIdsToAdd } = this.get() || {} // TODO: wtf svelte?
+          let { itemIdsToAdd } = this.get() || {} // // https://github.com/sveltejs/svelte/issues/1354
           if (!itemIdsToAdd || !itemIdsToAdd.length) {
             return
           }