Adds helpful methods for dealing with Turbo Events to WaniKani Open Framework
当前为
// ==UserScript==
// @name Wanikani Open Framework Turbo Events
// @namespace https://gf.qytechs.cn/en/users/11878
// @description Adds helpful methods for dealing with Turbo Events to WaniKani Open Framework
// @version 1.0.0
// @match https://www.wanikani.com/*
// @match https://preview.wanikani.com/*
// @author Inserio
// @copyright 2024, Brian Shenk
// @license MIT; http://opensource.org/licenses/MIT
// @run-at document-start
// @grant none
// ==/UserScript==
/* global wkof */
/* jshint esversion: 11 */
(function() {
'use strict';
// https://turbo.hotwired.dev/reference/events
const turboEvents = Object.freeze({
click: {source: 'document', name: 'turbo:click'},
before_visit: {source: 'document', name: 'turbo:before-visit'},
visit: {source: 'document', name: 'turbo:visit'},
before_cache: {source: 'document', name: 'turbo:before-cache'},
before_render: {source: 'document', name: 'turbo:before-render'},
render: {source: 'document', name: 'turbo:render'},
load: {source: 'document', name: 'turbo:load'},
morph: {source: 'pageRefresh', name: 'turbo:morph'},
before_morph_element: {source: 'pageRefresh', name: 'turbo:before-morph-element'},
before_morph_attribute: {source: 'pageRefresh', name: 'turbo:before-morph-attribute'},
morph_element: {source: 'pageRefresh', name: 'turbo:morph-element'},
submit_start: {source: 'forms', name: 'turbo:submit-start'},
submit_end: {source: 'forms', name: 'turbo:submit-end'},
before_frame_render: {source: 'frames', name: 'turbo:before-frame-render'},
frame_render: {source: 'frames', name: 'turbo:frame-render'},
frame_load: {source: 'frames', name: 'turbo:frame-load'},
frame_missing: {source: 'frames', name: 'turbo:frame-missing'},
before_stream_render: {source: 'streams', name: 'turbo:before-stream-render'},
before_fetch_request: {source: 'httpRequests', name: 'turbo:before-fetch-request'},
before_fetch_response: {source: 'httpRequests', name: 'turbo:before-fetch-response'},
before_prefetch: {source: 'httpRequests', name: 'turbo:before-prefetch'},
fetch_request_error: {source: 'httpRequests', name: 'turbo:fetch-request-error'},
});
const eventMap = Object.freeze({
click: function on_click(callback) { return onEvent(turboEvents.click.name, callback); },
before_visit: function on_before_visit(callback) { return onEvent(turboEvents.before_visit.name, callback); },
visit: function on_visit(callback) { return onEvent(turboEvents.visit.name, callback); },
before_cache: function on_before_cache(callback) { return onEvent(turboEvents.before_cache.name, callback); },
before_render: function on_before_render(callback) { return onEvent(turboEvents.before_render.name, callback); },
render: function on_render(callback) { return onEvent(turboEvents.render.name, callback); },
load: function on_load(callback) { return onEvent(turboEvents.load.name, callback); },
morph: function on_morph(callback) { return onEvent(turboEvents.morph.name, callback); },
before_morph_element: function on_before_morph_element(callback) { return onEvent(turboEvents.before_morph_element.name, callback); },
before_morph_attribute: function on_before_morph_attribute(callback) { return onEvent(turboEvents.before_morph_attribute.name, callback); },
morph_element: function on_morph_element(callback) { return onEvent(turboEvents.morph_element.name, callback); },
submit_start: function on_submit_start(callback) { return onEvent(turboEvents.submit_start.name, callback); },
submit_end: function on_submit_end(callback) { return onEvent(turboEvents.submit_end.name, callback); },
before_frame_render: function on_before_frame_render(callback) { return onEvent(turboEvents.before_frame_render.name, callback); },
frame_render: function on_frame_render(callback) { return onEvent(turboEvents.frame_render.name, callback); },
frame_load: function on_frame_load(callback) { return onEvent(turboEvents.frame_load.name, callback); },
frame_missing: function on_frame_missing(callback) { return onEvent(turboEvents.frame_missing.name, callback); },
before_stream_render: function on_before_stream_render(callback) { return onEvent(turboEvents.before_stream_render.name, callback); },
before_fetch_request: function on_before_fetch_request(callback) { return onEvent(turboEvents.before_fetch_request.name, callback); },
before_fetch_response: function on_before_fetch_response(callback) { return onEvent(turboEvents.before_fetch_response.name, callback); },
before_prefetch: function on_before_prefetch(callback) { return onEvent(turboEvents.before_prefetch.name, callback); },
fetch_request_error: function on_fetch_request_error(callback) { return onEvent(turboEvents.fetch_request_error.name, callback); },
});
const publishedInterface= {
on_page_event: onPageEvent,
remove_event_handler: removeEventHandler,
on: eventMap,
events: turboEvents,
};
let lastUrlLoaded = document.URL;
//------------------------------
// Add handlers for all events.
//------------------------------
let event_handlers = {};
function onEvent(eventName, handler) {
if (!event_handlers[eventName]) event_handlers[eventName] = new Set();
if (event_handlers[eventName].size === 0) {
const eventListener = event => handleEvent(eventName, event);
document.documentElement.addEventListener(eventName, eventListener);
event_handlers[eventName].add(eventListener);
}
event_handlers[eventName].add(handler);
return handler;
}
function removeEventHandler(eventName, handler) {
const eventHandlers = event_handlers[eventName];
if (eventHandlers) {
eventHandlers.delete(handler);
if (eventHandlers.size === 1) {
document.documentElement.removeEventListener(eventName, eventHandlers[0]);
eventHandlers.clear();
}
}
}
//------------------------------
// Call event handlers.
//------------------------------
function handleEvent(eventName, event) {
const handlers = event_handlers[eventName];
let firstElement = true;
for (const handler of handlers) {
if (firstElement) { firstElement = false; continue; }
if (typeof handler === 'function') handler(event);
}
}
//------------------------------
// Add handlers for page events for a list of URLs.
//------------------------------
let page_handlers = [];
function onPageEvent(handler) {
if (!Array.isArray(handler.urls)) handler.urls = [handler.urls];
if (!Array.isArray(handler.events)) handler.events = [handler.events];
handler.urls = handler.urls.map((url) => {
if (url instanceof RegExp) return url;
if (typeof url !== 'string') return null;
return new RegExp(url.replace(/[.+?^${}()|[\]\\]/g, '\\$&').replaceAll('*','.*'));
}).filter(url => url !== null);
handler.events = handler.events.map((event) => {
if (typeof event === 'string') return event;
if (typeof event === 'object' && event.name) return event.name;
return null;
}).filter(event => event !== null);
page_handlers.push(handler);
if (handler.events.includes('load')) {
handler.urls.forEach(url => {
if (!url.test(lastUrlLoaded)) return;
handler.callback();
});
}
}
//------------------------------
// Call page event handlers.
//------------------------------
async function handlePageEvents(event_name, event, new_page_url) {
page_handlers.forEach(handler => {
if (!handler.urls.find(url => url.test(new_page_url))) return;
if ((handler.events.length === 0 || handler.events.includes(event_name)) && typeof handler.callback === 'function') handler.callback(event);
});
}
function addTurboEvents() {
wkof.turbo = publishedInterface;
document.documentElement.addEventListener(turboEvents.click.name, async event => {
lastUrlLoaded = event.detail.url;
await handlePageEvents(turboEvents.click.name, event, lastUrlLoaded);
});
document.documentElement.addEventListener(turboEvents.before_visit.name, async event => {
lastUrlLoaded = event.detail.url;
await handlePageEvents(turboEvents.before_visit.name, event, lastUrlLoaded);
});
document.documentElement.addEventListener(turboEvents.visit.name, async event => {
lastUrlLoaded = event.detail.url;
await handlePageEvents(turboEvents.visit.name, event, lastUrlLoaded);
});
document.documentElement.addEventListener(turboEvents.before_cache.name, async event => {
lastUrlLoaded = document.URL;
await handlePageEvents(turboEvents.visit.name, event, lastUrlLoaded);
});
document.documentElement.addEventListener(turboEvents.before_render.name, async event => {
lastUrlLoaded = document.URL;
let observer = new MutationObserver(async m => {
if (relevantRootElementChildren(m[0].target).length > 0) return;
observer.disconnect();
observer = null;
await handlePageEvents(turboEvents.before_render.name, event, lastUrlLoaded);
});
observer.observe(event.detail.newBody, {childList: true});
});
document.documentElement.addEventListener(turboEvents.load.name, async event => {
lastUrlLoaded = event.detail.url;
await handlePageEvents(turboEvents.load.name, event, lastUrlLoaded);
});
}
// it seems like Turbo does not move the SVG element into document.body, so let's ignore it
function relevantRootElementChildren(rootElement) {
return [...rootElement?.children ?? []].filter(c => c.tagName !== `svg`);
}
function startup() {
if (!window.wkof) {
const response = confirm('WaniKani Open Framework Additional Filters requires WaniKani Open Framework.\n Click "OK" to be forwarded to installation instructions.');
if (response) window.location.href = 'https://community.wanikani.com/t/instructions-installing-wanikani-open-framework/28549';
return;
}
wkof.ready('wkof')
.then(addTurboEvents)
.then(turboEventsReady);
}
function turboEventsReady() {
wkof.set_state('wkof.TurboEvents', 'ready');
}
startup();
})();
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