Consolidate the MutationObserver-dependent features to use a single observer.
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@ -34,13 +34,50 @@ async function initialize() {
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// Object to hold the active components we are going to render.
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const observerFeatures: Array<() => any> = [];
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const components: Record<string, TRXComponent | undefined> = {};
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const observer = new window.MutationObserver(() => {
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log('Page mutation detected, rerunning features.');
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observer.disconnect();
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for (const feature of observerFeatures) {
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feature();
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}
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startObserver();
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});
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function startObserver() {
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observer.observe(document.body, {
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childList: true,
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subtree: true,
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});
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}
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if (settings.features.anonymizeUsernames) {
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if (settings.features.anonymizeUsernames) {
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observerFeatures.push(() => {
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runAnonymizeUsernamesFeature();
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runAnonymizeUsernamesFeature();
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});
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}
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}
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if (settings.features.hideVotes) {
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observerFeatures.push(() => {
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runHideVotesFeature(settings);
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});
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}
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if (settings.features.markdownToolbar) {
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observerFeatures.push(() => {
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runMarkdownToolbarFeature();
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});
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}
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// Initialize all the observer-dependent features first.
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for (const feature of observerFeatures) {
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feature();
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}
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// Object to hold the active components we are going to render.
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const components: Record<string, TRXComponent | undefined> = {};
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if (settings.features.autocomplete) {
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if (settings.features.autocomplete) {
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components.autocomplete = html`
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components.autocomplete = html`
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<${AutocompleteFeature} settings=${settings} />
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<${AutocompleteFeature} settings=${settings} />
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@ -51,18 +88,10 @@ async function initialize() {
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components.backToTop = html`<${BackToTopFeature} />`;
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components.backToTop = html`<${BackToTopFeature} />`;
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}
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}
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if (settings.features.hideVotes) {
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runHideVotesFeature(settings);
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}
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if (settings.features.jumpToNewComment) {
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if (settings.features.jumpToNewComment) {
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components.jumpToNewComment = html`<${JumpToNewCommentFeature} />`;
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components.jumpToNewComment = html`<${JumpToNewCommentFeature} />`;
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}
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}
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if (settings.features.markdownToolbar) {
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runMarkdownToolbarFeature();
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}
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if (settings.features.userLabels) {
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if (settings.features.userLabels) {
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components.userLabels = html`
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components.userLabels = html`
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<${UserLabelsFeature} settings=${settings} />
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<${UserLabelsFeature} settings=${settings} />
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@ -88,6 +117,11 @@ async function initialize() {
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replacement,
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replacement,
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);
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);
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// Start the mutation observer only when some features depend on it are enabled.
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if (observerFeatures.length > 0) {
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startObserver();
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}
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const initializedIn = window.performance.now() - start;
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const initializedIn = window.performance.now() - start;
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log(`Initialized in approximately ${initializedIn} milliseconds.`);
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log(`Initialized in approximately ${initializedIn} milliseconds.`);
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}
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}
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@ -1,22 +1,7 @@
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import {log, querySelectorAll} from '../utilities/exports.js';
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import {log, querySelectorAll} from '../utilities/exports.js';
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export function runAnonymizeUsernamesFeature() {
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export function runAnonymizeUsernamesFeature() {
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const observer = new window.MutationObserver(() => {
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observer.disconnect();
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anonymizeUsernames();
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startObserver();
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});
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function startObserver() {
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observer.observe(document, {
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childList: true,
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subtree: true,
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});
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}
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const count = anonymizeUsernames();
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const count = anonymizeUsernames();
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startObserver();
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log(`Anonymize Usernames: Initialized for ${count} user links.`);
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log(`Anonymize Usernames: Initialized for ${count} user links.`);
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}
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}
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@ -2,22 +2,7 @@ import Settings from '../settings.js';
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import {log, querySelectorAll} from '../utilities/exports.js';
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import {log, querySelectorAll} from '../utilities/exports.js';
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export function runHideVotesFeature(settings: Settings) {
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export function runHideVotesFeature(settings: Settings) {
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const observer = new window.MutationObserver(() => {
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observer.disconnect();
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hideVotes(settings);
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hideVotes(settings);
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startObserver();
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});
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function startObserver() {
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observer.observe(document, {
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childList: true,
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subtree: true,
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});
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}
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hideVotes(settings);
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startObserver();
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log('Hide Votes: Initialized.');
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log('Hide Votes: Initialized.');
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}
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}
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@ -75,25 +75,7 @@ const snippets: MarkdownSnippet[] = [
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}));
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}));
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export function runMarkdownToolbarFeature() {
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export function runMarkdownToolbarFeature() {
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// Create an observer that will add toolbars whenever
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// a new Markdown form is created (like when clicking Reply).
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const observer = new window.MutationObserver(() => {
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observer.disconnect();
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addToolbarsToTextareas();
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addToolbarsToTextareas();
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startObserver();
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});
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function startObserver() {
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observer.observe(document, {
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childList: true,
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subtree: true,
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});
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}
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// Run once when the page loads.
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addToolbarsToTextareas();
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startObserver();
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log('Markdown Toolbar: Initialized.');
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log('Markdown Toolbar: Initialized.');
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}
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}
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