mediawiki-skins-Vector/resources/skins.vector.js/features.js
Moh'd Khier Abualruz c88d72f1d7 [anon prefs] TOC pinned / unpinned
- Status should persist across page views for anonymous users
- Added 'toc-pinned' as a persistable feature in features.js and FeatureManager.php.
- Handling for cached HTML supporting both new and old class names for pinned/unpinned TOC

Based-On: I0fbe0ab458c5bd55d659d3c35a8fbaa6cd6ec0e1

Bug: T316060
Change-Id: Iad8523037ed364f09962b2d6ca0a3d50d7bd2266
2023-09-14 21:37:50 +00:00

110 lines
3.4 KiB
JavaScript

/** @interface MwApi */
let /** @type {MwApi} */ api;
const debounce = require( /** @type {string} */ ( 'mediawiki.util' ) ).debounce;
/**
* Saves preference to user preferences and/or cookies.
*
* @param {string} feature
* @param {boolean} enabled
*/
function save( feature, enabled ) {
if ( !mw.user.isNamed() ) {
switch ( feature ) {
case 'toc-pinned':
case 'limited-width':
// Save the setting under the new system
// @ts-ignore https://github.com/wikimedia/typescript-types/pull/44
mw.user.clientPrefs.set( `vector-feature-${feature}`, enabled ? '1' : '0' );
break;
default:
// not a supported anonymous preference
break;
}
} else {
debounce( function () {
api = api || new mw.Api();
api.saveOption( 'vector-' + feature, enabled ? 1 : 0 );
}, 500 )();
}
}
/**
*
* @param {string} name feature name
* @param {boolean} [override] option to force enabled or disabled state.
* @param {boolean} [isLegacy] should we search for legacy classes
* FIXME: this is for supporting cached HTML,
* this should be removed 1-4 weeks after the patch has been in production.
* @return {boolean} The new feature state (false=disabled, true=enabled).
* @throws {Error} if unknown feature toggled.
*/
function toggleDocClasses( name, override, isLegacy ) {
const suffixEnabled = isLegacy ? 'enabled' : 'clientpref-1';
const suffixDisabled = isLegacy ? 'disabled' : 'clientpref-0';
const featureClassEnabled = `vector-feature-${name}-${suffixEnabled}`,
classList = document.documentElement.classList,
featureClassDisabled = `vector-feature-${name}-${suffixDisabled}`,
// If neither of the classes can be found it is a legacy feature
isLegacyFeature = !classList.contains( featureClassDisabled ) &&
!classList.contains( featureClassEnabled );
// Check in legacy mode.
if ( isLegacyFeature && !isLegacy ) {
// try again using the legacy classes
return toggleDocClasses( name, override, true );
} else if ( classList.contains( featureClassDisabled ) || override === true ) {
classList.remove( featureClassDisabled );
classList.add( featureClassEnabled );
return true;
} else if ( classList.contains( featureClassEnabled ) || override === false ) {
classList.add( featureClassDisabled );
classList.remove( featureClassEnabled );
return false;
} else {
throw new Error( `Attempt to toggle unknown feature: ${name}` );
}
}
/**
* @param {string} name
* @throws {Error} if unknown feature toggled.
*/
function toggle( name ) {
const featureState = toggleDocClasses( name );
save( name, featureState );
}
/**
* Checks if the feature is enabled.
*
* @param {string} name
* @return {boolean}
*/
function isEnabled( name ) {
return document.documentElement.classList.contains( getClass( name, true ) ) ||
document.documentElement.classList.contains( getClass( name, true, true ) );
}
/**
* Get name of feature class.
*
* @param {string} name
* @param {boolean} featureEnabled
* @param {boolean} [isLegacy] FIXME: this is for supporting cached HTML,
* but also features using the old feature class structure.
* @return {string}
*/
function getClass( name, featureEnabled, isLegacy ) {
if ( featureEnabled ) {
const suffix = isLegacy ? 'enabled' : 'clientpref-1';
return `vector-feature-${name}-${suffix}`;
} else {
const suffix = isLegacy ? 'disabled' : 'clientpref-0';
return `vector-feature-${name}-${suffix}`;
}
}
module.exports = { getClass, isEnabled, toggle, toggleDocClasses };