fix null error in virtual list items (#239)

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Nolan Lawson 2018-04-29 17:33:58 -07:00 committed by GitHub
parent 7f325a0166
commit 40a9ff957a
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 6 additions and 10 deletions

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

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

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@ -17,9 +17,7 @@
export default { export default {
async oncreate () { async oncreate () {
// TODO: there appears to be a bug in {{#await}} that means we have to do this manually. let { makeProps, key } = this.get() || {} // https://github.com/sveltejs/svelte/issues/1354
// Some items may appear on top of other items because their offset is 0 and never updated.
let { makeProps, key } = this.get()
if (makeProps) { if (makeProps) {
let props = await makeProps(key) let props = await makeProps(key)
mark('PseudoVirtualListLazyItem set props') mark('PseudoVirtualListLazyItem set props')

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@ -197,7 +197,7 @@
let { currentInstance } = this.store.get() let { currentInstance } = this.store.get()
let { timeline } = this.get() let { timeline } = this.get()
let handleItemIdsToAdd = () => { let handleItemIdsToAdd = () => {
let { itemIdsToAdd } = this.get() || {} // // https://github.com/sveltejs/svelte/issues/1354 let { itemIdsToAdd } = this.get() || {} // https://github.com/sveltejs/svelte/issues/1354
if (!itemIdsToAdd || !itemIdsToAdd.length) { if (!itemIdsToAdd || !itemIdsToAdd.length) {
return return
} }

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@ -12,9 +12,7 @@
export default { export default {
async oncreate () { async oncreate () {
// TODO: there appears to be a bug in {{#await}} that means we have to do this manually. let { makeProps, key } = this.get() || {} // https://github.com/sveltejs/svelte/issues/1354
// Some items may appear on top of other items because their offset is 0 and never updated.
let { makeProps, key } = this.get()
if (makeProps) { if (makeProps) {
let props = await makeProps(key) let props = await makeProps(key)
mark('VirtualListLazyItem set props') mark('VirtualListLazyItem set props')