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Cache processing of all Tweet timeline item handling

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This commit is contained in:
Jonny Buchanan 2025-06-14 15:41:08 +10:00
parent 33fb01ff22
commit c6ce159f34
2 changed files with 21 additions and 11 deletions
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29
script.js
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@ -2782,7 +2782,7 @@ async function observeDesktopModalTimeline($popup) {
function observeModalTimelineItems($timeline) {
let seen = new Map()
observeElement($timeline, () => {
onIndividualTweetTimelineChange($timeline, {observers: modalObservers, seen})
onIndividualTweetTimelineChange($timeline, seen, {observers: modalObservers})
}, {
name: 'modal timeline',
observers: modalObservers,
@ -2796,7 +2796,7 @@ async function observeDesktopModalTimeline($popup) {
log('modal timeline replaced')
seen = new Map()
observeElement($newTimeline, () => {
onIndividualTweetTimelineChange($newTimeline, {observers: modalObservers, seen})
onIndividualTweetTimelineChange($newTimeline, seen, {observers: modalObservers})
}, {
name: 'modal timeline',
observers: modalObservers,
@ -3101,7 +3101,7 @@ async function observeIndividualTweetTimeline(page) {
function observeTimelineItems($timeline) {
let seen = new WeakMap()
observeElement($timeline, () => {
onIndividualTweetTimelineChange($timeline, {observers: pageObservers, seen})
onIndividualTweetTimelineChange($timeline, seen, {observers: pageObservers})
}, {
leading: true,
name: 'individual tweet timeline',
@ -3335,8 +3335,9 @@ async function observeTimeline(page, options = {}) {
* @param {HTMLElement} $timeline
*/
function observeTimelineItems($timeline) {
let seen = new WeakMap()
observeElement($timeline, () => {
onTimelineChange($timeline, page, options)
onTimelineChange($timeline, page, seen, options)
}, {
leading: true,
name: 'timeline',
@ -3353,8 +3354,9 @@ async function observeTimeline(page, options = {}) {
let $newTimeline = $addedNode
log('tab changed')
onTabChanged?.()
seen = new WeakMap()
observeElement($newTimeline, () => {
onTimelineChange($newTimeline, page, options)
onTimelineChange($newTimeline, page, seen, options)
}, {
leading: true,
name: 'timeline',
@ -5242,12 +5244,12 @@ function isReplyToPreviousTweet($tweet) {
/**
* @param {HTMLElement} $timeline
* @param {WeakMap<Element, import("./types").SeenTweetDetails>} seen
* @param {import("./types").IndividualTweetTimelineOptions} options
*/
function onIndividualTweetTimelineChange($timeline, options) {
function onIndividualTweetTimelineChange($timeline, seen, options) {
let startTime = Date.now()
let {seen} = options
let itemTypes = {}
let hiddenItemCount = 0
let hiddenItemTypes = {}
@ -5535,9 +5537,10 @@ function onPopup($popup) {
/**
* @param {HTMLElement} $timeline
* @param {string} page
* @param {WeakMap<Element, import("./types").SeenTweetDetails>} seen
* @param {import("./types").TimelineOptions?} options
*/
function onTimelineChange($timeline, page, options = {}) {
function onTimelineChange($timeline, page, seen, options = {}) {
let startTime = Date.now()
let {classifyTweets = true, hideHeadings = true, isUserTimeline = false} = options
@ -5559,6 +5562,7 @@ function onTimelineChange($timeline, page, options = {}) {
let itemTypes = {}
let hiddenItemCount = 0
let hiddenItemTypes = {}
let processedCount = 0
/** @type {?boolean} */
let hidPreviousItem = null
@ -5566,6 +5570,11 @@ function onTimelineChange($timeline, page, options = {}) {
let changes = []
for (let $item of $timeline.children) {
if (seen.has($item)) {
hidPreviousItem = seen.get($item).hidden
continue
}
/** @type {?import("./types").TimelineItemType} */
let itemType = null
/** @type {?boolean} */
@ -5693,6 +5702,8 @@ function onTimelineChange($timeline, page, options = {}) {
}
hidPreviousItem = hideItem
seen.set($item, {itemType, hidden: hideItem})
processedCount++
}
for (let change of changes) {
@ -5701,7 +5712,7 @@ function onTimelineChange($timeline, page, options = {}) {
if (debug && debugLogTimelineStats) {
log(
`processed ${$timeline.children.length} timeline item${s($timeline.children.length)} in ${Date.now() - startTime}ms`,
`processed ${processedCount} new timeline item${s(processedCount)} in ${Date.now() - startTime}ms`,
itemTypes, `hid ${hiddenItemCount}`, hiddenItemTypes
)
}

3
types.d.ts vendored
View File

@ -214,10 +214,9 @@ export type TimelineOptions = {
export type IndividualTweetTimelineOptions = {
observers: Map<string, Disconnectable>
seen: WeakMap<Element, IndividualTweetDetails>
}
export type IndividualTweetDetails = {
export type SeenTweetDetails = {
itemType: TimelineItemType,
hidden: boolean | null,
}