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perf: lazy-load logged-in observers, fix circular dependencies (#823) 

* perf: lazy-load logged-in observers, fix circular dependencies

* I guess async deps don't count as circular deps
This commit is contained in:
Nolan Lawson 2018-12-16 10:22:34 -08:00 committed by GitHub
parent beb4d6e119
commit 14a618f374
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GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 71 additions and 39 deletions
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33
package-lock.json generated
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@ -2061,14 +2061,12 @@
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@ -2083,20 +2081,17 @@
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},
"console-control-strings": {
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@ -2213,8 +2208,7 @@
"inherits": {
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},
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@ -2226,7 +2220,6 @@
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@ -2241,7 +2234,6 @@
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"brace-expansion": "^1.1.7"
}
@ -2249,14 +2241,12 @@
"minimist": {
"version": "0.0.8",
"resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
"integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
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"safe-buffer": "^5.1.1",
"yallist": "^3.0.0"
@ -2275,7 +2265,6 @@
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"integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
"optional": true,
"requires": {
"minimist": "0.0.8"
}
@ -2356,8 +2345,7 @@
"number-is-nan": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
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},
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@ -2369,7 +2357,6 @@
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"resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
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"optional": true,
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}
@ -2491,7 +2478,6 @@
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"code-point-at": "^1.0.0",
"is-fullwidth-code-point": "^1.0.0",
@ -2634,6 +2620,11 @@
"safe-buffer": "^5.0.1"
}
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},
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1
package.json
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@ -47,6 +47,7 @@
"cheerio": "^1.0.0-rc.2",
"child-process-promise": "^2.2.1",
"chokidar": "^2.0.4",
"circular-dependency-plugin": "^5.0.2",
"compression": "^1.7.3",
"cross-env": "^5.2.0",
"css-loader": "^2.0.1",

3
src/routes/_store/observers/autosuggestObservers.js
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@ -1,4 +1,5 @@
import { database } from '../../_database/database'
import { store } from '../store'
const SEARCH_RESULTS_LIMIT = 4
const DATABASE_SEARCH_RESULTS_LIMIT = 30
@ -20,7 +21,7 @@ function searchEmoji (store, searchText) {
return results
}
export function autosuggestObservers (store) {
export function autosuggestObservers () {
store.observe('autosuggestSearchText', async autosuggestSearchText => {
let { composeFocused } = store.get()
if (!composeFocused || !autosuggestSearchText) {

4
src/routes/_store/observers/customScrollbarObservers.js
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@ -1,6 +1,8 @@
import { store } from '../store'
let theScrollbarStyle = process.browser && document.getElementById('theScrollbarStyle')
export function customScrollbarObservers (store) {
export function customScrollbarObservers () {
store.observe('disableCustomScrollbars', disableCustomScrollbars => {
if (!process.browser) {
return

3
src/routes/_store/observers/instanceObservers.js
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@ -8,6 +8,7 @@ import { getTimeline } from '../../_api/timelines'
import { TIMELINE_BATCH_SIZE } from '../../_static/timelines'
import { scheduleIdleTask } from '../../_utils/scheduleIdleTask'
import { mark, stop } from '../../_utils/marks'
import { store } from '../store'
// stream to watch for home timeline updates and notifications
let currentInstanceStream
@ -92,7 +93,7 @@ async function fillGap (instanceName, accessToken, timelineName, firstTimelineIt
}
}
export function instanceObservers (store) {
export function instanceObservers () {
store.observe('currentInstance', async (currentInstance) => {
if (!process.browser) {
return

17
src/routes/_store/observers/loggedInObservers.js Normal file
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@ -0,0 +1,17 @@
import { instanceObservers } from './instanceObservers'
import { timelineObservers } from './timelineObservers'
import { notificationObservers } from './notificationObservers'
import { autosuggestObservers } from './autosuggestObservers'
import { notificationPermissionObservers } from './notificationPermissionObservers'
import { customScrollbarObservers } from './customScrollbarObservers'
// These observers can be lazy-loaded when the user is actually logged in.
// Prevents circular dependencies and reduces the size of main.js
export default function loggedInObservers () {
instanceObservers()
timelineObservers()
notificationObservers()
autosuggestObservers()
notificationPermissionObservers()
customScrollbarObservers()
}

3
src/routes/_store/observers/notificationObservers.js
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@ -1,9 +1,10 @@
import { setFavicon } from '../../_utils/setFavicon'
import { runMediumPriorityTask } from '../../_utils/runMediumPriorityTask'
import { store } from '../store'
let currentFaviconHasNotifications = false
export function notificationObservers (store) {
export function notificationObservers () {
store.observe('hasNotifications', hasNotifications => {
if (!process.browser) {
return

4
src/routes/_store/observers/notificationPermissionObservers.js
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@ -1,4 +1,6 @@
export function notificationPermissionObservers (store) {
import { store } from '../store'
export function notificationPermissionObservers () {
if (!process.browser || !navigator.permissions || !navigator.permissions.query) {
return
}

14
src/routes/_store/observers/observers.js
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@ -1,23 +1,13 @@
import { instanceObservers } from './instanceObservers'
import { timelineObservers } from './timelineObservers'
import { notificationObservers } from './notificationObservers'
import { onlineObservers } from './onlineObservers'
import { navObservers } from './navObservers'
import { autosuggestObservers } from './autosuggestObservers'
import { pageVisibilityObservers } from './pageVisibilityObservers'
import { resizeObservers } from './resizeObservers'
import { notificationPermissionObservers } from './notificationPermissionObservers'
import { customScrollbarObservers } from './customScrollbarObservers'
import { setupLoggedInObservers } from './setupLoggedInObservers'
export function observers (store) {
instanceObservers(store)
timelineObservers(store)
notificationObservers(store)
onlineObservers(store)
navObservers(store)
autosuggestObservers(store)
pageVisibilityObservers(store)
resizeObservers(store)
notificationPermissionObservers(store)
customScrollbarObservers(store)
setupLoggedInObservers(store)
}

15
src/routes/_store/observers/setupLoggedInObservers.js Normal file
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@ -0,0 +1,15 @@
import { importLoggedInObservers } from '../../_utils/asyncModules'
let observedOnce = false
// An observer that calls an observer... this is a bit weird, but it eliminates
// circular dependencies and also allows us to lazy load observers that are
// only needed when you're logged in.
export function setupLoggedInObservers (store) {
store.observe('isUserLoggedIn', isUserLoggedIn => {
if (isUserLoggedIn && !observedOnce) {
importLoggedInObservers().then(loggedInObservers => loggedInObservers())
observedOnce = true
}
})
}

3
src/routes/_store/observers/timelineObservers.js
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@ -3,8 +3,9 @@ import { createStream } from '../../_actions/streaming'
import { getTimeline } from '../../_api/timelines'
import { addStatusesOrNotifications } from '../../_actions/addStatusOrNotification'
import { TIMELINE_BATCH_SIZE } from '../../_static/timelines'
import { store } from '../store'
export function timelineObservers (store) {
export function timelineObservers () {
// stream to watch for local/federated/etc. updates. home and notification
// updates are handled in timelineObservers.js
let currentTimelineStream

4
src/routes/_utils/asyncModules.js
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@ -31,3 +31,7 @@ export const importNotificationVirtualListItem = () => import(
export const importDatabase = () => import(
/* webpackChunkName: 'database.js' */ '../_database/databaseApis.js'
)
export const importLoggedInObservers = () => import(
/* webpackChunkName: 'loggedInObservers.js' */ '../_store/observers/loggedInObservers.js'
).then(getDefault)

6
webpack/client.config.js
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@ -3,6 +3,7 @@ const config = require('sapper/config/webpack.js')
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
const LodashModuleReplacementPlugin = require('lodash-webpack-plugin')
const terser = require('./terser.config')
const CircularDependencyPlugin = require('circular-dependency-plugin')
const { mode, dev } = require('./shared.config')
module.exports = {
@ -50,6 +51,11 @@ module.exports = {
),
new LodashModuleReplacementPlugin({
paths: true
}),
new CircularDependencyPlugin({
exclude: /node_modules/,
failOnError: true,
cwd: process.cwd()
})
].concat(dev ? [
new webpack.HotModuleReplacementPlugin({