Move bg/js (#1387)

* Move bg/js/anki.js to js/comm/anki.js

* Move bg/js/mecab.js to js/comm/mecab.js

* Move bg/js/search-main.js to js/display/search-main.js

* Move bg/js/template-patcher.js to js/templates/template-patcher.js

* Move bg/js/template-renderer-frame-api.js to js/templates/template-renderer-frame-api.js

* Move bg/js/template-renderer-frame-main.js to js/templates/template-renderer-frame-main.js

* Move bg/js/template-renderer-proxy.js to js/templates/template-renderer-proxy.js

* Move bg/js/template-renderer.js to js/templates/template-renderer.js

* Move bg/js/media-utility.js to js/media/media-utility.js

* Move bg/js/native-simple-dom-parser.js to js/dom/native-simple-dom-parser.js

* Move bg/js/simple-dom-parser.js to js/dom/simple-dom-parser.js

* Move bg/js/audio-downloader.js to js/media/audio-downloader.js

* Move bg/js/deinflector.js to js/language/deinflector.js

* Move bg/js/backend.js to js/background/backend.js

* Move bg/js/translator.js to js/language/translator.js

* Move bg/js/search-display-controller.js to js/display/search-display-controller.js

* Move bg/js/request-builder.js to js/background/request-builder.js

* Move bg/js/text-source-map.js to js/general/text-source-map.js

* Move bg/js/clipboard-reader.js to js/comm/clipboard-reader.js

* Move bg/js/clipboard-monitor.js to js/comm/clipboard-monitor.js

* Move bg/js/query-parser.js to js/display/query-parser.js

* Move bg/js/profile-conditions.js to js/background/profile-conditions.js

* Move bg/js/dictionary-database.js to js/language/dictionary-database.js

* Move bg/js/dictionary-importer.js to js/language/dictionary-importer.js

* Move bg/js/anki-note-builder.js to js/data/anki-note-builder.js

* Move bg/js/anki-note-data.js to js/data/anki-note-data.js

* Move bg/js/database.js to js/data/database.js

* Move bg/js/json-schema.js to js/data/json-schema.js

* Move bg/js/options.js to js/data/options-util.js

* Move bg/js/background-main.js to js/background/background-main.js

* Move bg/js/permissions-util.js to js/data/permissions-util.js

* Move bg/js/context-main.js to js/pages/action-popup-main.js

* Move bg/js/generic-page-main.js to js/pages/generic-page-main.js

* Move bg/js/info-main.js to js/pages/info-main.js

* Move bg/js/permissions-main.js to js/pages/permissions-main.js

* Move bg/js/welcome-main.js to js/pages/welcome-main.js

3 files changed, 711 insertions, 0 deletions

diff --git a/ext/js/display/query-parser.js b/ext/js/display/query-parser.js
new file mode 100644
index 00000000..05ebfa27
--- /dev/null
+++ b/ext/js/display/query-parser.js
@@ -0,0 +1,232 @@
+/*
+ * Copyright (C) 2019-2021  Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* global
+ * TextScanner
+ * api
+ */
+
+class QueryParser extends EventDispatcher {
+    constructor({getSearchContext, documentUtil}) {
+        super();
+        this._getSearchContext = getSearchContext;
+        this._documentUtil = documentUtil;
+        this._text = '';
+        this._setTextToken = null;
+        this._selectedParser = null;
+        this._parseResults = [];
+        this._queryParser = document.querySelector('#query-parser-content');
+        this._queryParserModeContainer = document.querySelector('#query-parser-mode-container');
+        this._queryParserModeSelect = document.querySelector('#query-parser-mode-select');
+        this._textScanner = new TextScanner({
+            node: this._queryParser,
+            getSearchContext,
+            documentUtil,
+            searchTerms: true,
+            searchKanji: false,
+            searchOnClick: true
+        });
+    }
+
+    get text() {
+        return this._text;
+    }
+
+    prepare() {
+        this._textScanner.prepare();
+        this._textScanner.on('searched', this._onSearched.bind(this));
+        this._queryParserModeSelect.addEventListener('change', this._onParserChange.bind(this), false);
+    }
+
+    setOptions({selectedParser, termSpacing, scanning}) {
+        let selectedParserChanged = false;
+        if (selectedParser === null || typeof selectedParser === 'string') {
+            selectedParserChanged = (this._selectedParser !== selectedParser);
+            this._selectedParser = selectedParser;
+        }
+        if (typeof termSpacing === 'boolean') {
+            this._queryParser.dataset.termSpacing = `${termSpacing}`;
+        }
+        if (scanning !== null && typeof scanning === 'object') {
+            this._textScanner.setOptions(scanning);
+        }
+        this._textScanner.setEnabled(true);
+        if (selectedParserChanged && this._parseResults.length > 0) {
+            this._renderParseResult();
+        }
+    }
+
+    async setText(text) {
+        this._text = text;
+        this._setPreview(text);
+
+        const token = {};
+        this._setTextToken = token;
+        this._parseResults = await api.textParse(text, this._getOptionsContext());
+        if (this._setTextToken !== token) { return; }
+
+        this._refreshSelectedParser();
+
+        this._renderParserSelect();
+        this._renderParseResult();
+    }
+
+    // Private
+
+    _onSearched(e) {
+        const {error} = e;
+        if (error !== null) {
+            yomichan.logError(error);
+            return;
+        }
+        if (e.type === null) { return; }
+
+        this.trigger('searched', e);
+    }
+
+    _onParserChange(e) {
+        const value = e.currentTarget.value;
+        this._setSelectedParser(value);
+    }
+
+    _getOptionsContext() {
+        return this._getSearchContext().optionsContext;
+    }
+
+    _refreshSelectedParser() {
+        if (this._parseResults.length > 0 && !this._getParseResult()) {
+            const value = this._parseResults[0].id;
+            this._setSelectedParser(value);
+        }
+    }
+
+    _setSelectedParser(value) {
+        const optionsContext = this._getOptionsContext();
+        api.modifySettings([{
+            action: 'set',
+            path: 'parsing.selectedParser',
+            value,
+            scope: 'profile',
+            optionsContext
+        }], 'search');
+    }
+
+    _getParseResult() {
+        const selectedParser = this._selectedParser;
+        return this._parseResults.find((r) => r.id === selectedParser);
+    }
+
+    _setPreview(text) {
+        const terms = [[{text, reading: ''}]];
+        this._queryParser.textContent = '';
+        this._queryParser.appendChild(this._createParseResult(terms, true));
+    }
+
+    _renderParserSelect() {
+        const visible = (this._parseResults.length > 1);
+        if (visible) {
+            this._updateParserModeSelect(this._queryParserModeSelect, this._parseResults, this._selectedParser);
+        }
+        this._queryParserModeContainer.hidden = !visible;
+    }
+
+    _renderParseResult() {
+        const parseResult = this._getParseResult();
+        this._queryParser.textContent = '';
+        if (!parseResult) { return; }
+        this._queryParser.appendChild(this._createParseResult(parseResult.content, false));
+    }
+
+    _updateParserModeSelect(select, parseResults, selectedParser) {
+        const fragment = document.createDocumentFragment();
+
+        let index = 0;
+        let selectedIndex = -1;
+        for (const parseResult of parseResults) {
+            const option = document.createElement('option');
+            option.value = parseResult.id;
+            switch (parseResult.source) {
+                case 'scanning-parser':
+                    option.textContent = 'Scanning parser';
+                    break;
+                case 'mecab':
+                    option.textContent = `MeCab: ${parseResult.dictionary}`;
+                    break;
+                default:
+                    option.textContent = `Unknown source: ${parseResult.source}`;
+                    break;
+            }
+            fragment.appendChild(option);
+
+            if (selectedParser === parseResult.id) {
+                selectedIndex = index;
+            }
+            ++index;
+        }
+
+        select.textContent = '';
+        select.appendChild(fragment);
+        select.selectedIndex = selectedIndex;
+    }
+
+    _createParseResult(terms, preview) {
+        const type = preview ? 'preview' : 'normal';
+        const fragment = document.createDocumentFragment();
+        for (const term of terms) {
+            const termNode = document.createElement('span');
+            termNode.className = 'query-parser-term';
+            termNode.dataset.type = type;
+            for (const segment of term) {
+                if (segment.reading.trim().length === 0) {
+                    this._addSegmentText(segment.text, termNode);
+                } else {
+                    termNode.appendChild(this._createSegment(segment));
+                }
+            }
+            fragment.appendChild(termNode);
+        }
+        return fragment;
+    }
+
+    _createSegment(segment) {
+        const segmentNode = document.createElement('ruby');
+        segmentNode.className = 'query-parser-segment';
+
+        const textNode = document.createElement('span');
+        textNode.className = 'query-parser-segment-text';
+
+        const readingNode = document.createElement('rt');
+        readingNode.className = 'query-parser-segment-reading';
+
+        segmentNode.appendChild(textNode);
+        segmentNode.appendChild(readingNode);
+
+        this._addSegmentText(segment.text, textNode);
+        readingNode.textContent = segment.reading;
+
+        return segmentNode;
+    }
+
+    _addSegmentText(text, container) {
+        for (const character of text) {
+            const node = document.createElement('span');
+            node.className = 'query-parser-char';
+            node.textContent = character;
+            container.appendChild(node);
+        }
+    }
+}
diff --git a/ext/js/display/search-display-controller.js b/ext/js/display/search-display-controller.js
new file mode 100644
index 00000000..a295346d
--- /dev/null
+++ b/ext/js/display/search-display-controller.js
@@ -0,0 +1,422 @@
+/*
+ * Copyright (C) 2016-2021  Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* global
+ * ClipboardMonitor
+ * api
+ * wanakana
+ */
+
+class SearchDisplayController {
+    constructor(tabId, frameId, display, japaneseUtil) {
+        this._tabId = tabId;
+        this._frameId = frameId;
+        this._display = display;
+        this._searchButton = document.querySelector('#search-button');
+        this._queryInput = document.querySelector('#search-textbox');
+        this._introElement = document.querySelector('#intro');
+        this._clipboardMonitorEnableCheckbox = document.querySelector('#clipboard-monitor-enable');
+        this._wanakanaEnableCheckbox = document.querySelector('#wanakana-enable');
+        this._queryInputEvents = new EventListenerCollection();
+        this._queryInputEventsSetup = false;
+        this._wanakanaEnabled = false;
+        this._introVisible = true;
+        this._introAnimationTimer = null;
+        this._clipboardMonitorEnabled = false;
+        this._clipboardMonitor = new ClipboardMonitor({
+            japaneseUtil,
+            clipboardReader: {
+                getText: async () => (await api.clipboardGet())
+            }
+        });
+        this._messageHandlers = new Map();
+        this._mode = null;
+    }
+
+    async prepare() {
+        this._updateMode();
+
+        await this._display.updateOptions();
+
+        chrome.runtime.onMessage.addListener(this._onMessage.bind(this));
+        yomichan.on('optionsUpdated', this._onOptionsUpdated.bind(this));
+
+        this._display.on('optionsUpdated', this._onDisplayOptionsUpdated.bind(this));
+        this._display.on('contentUpdating', this._onContentUpdating.bind(this));
+
+        this._display.hotkeyHandler.registerActions([
+            ['focusSearchBox', this._onActionFocusSearchBox.bind(this)]
+        ]);
+        this._registerMessageHandlers([
+            ['getMode', {async: false, handler: this._onMessageGetMode.bind(this)}],
+            ['setMode', {async: false, handler: this._onMessageSetMode.bind(this)}],
+            ['updateSearchQuery', {async: false, handler: this._onExternalSearchUpdate.bind(this)}]
+        ]);
+
+        this._display.autoPlayAudioDelay = 0;
+        this._display.queryParserVisible = true;
+        this._display.setHistorySettings({useBrowserHistory: true});
+        this._display.setQueryPostProcessor(this._postProcessQuery.bind(this));
+
+        this._searchButton.addEventListener('click', this._onSearch.bind(this), false);
+        this._wanakanaEnableCheckbox.addEventListener('change', this._onWanakanaEnableChange.bind(this));
+        window.addEventListener('copy', this._onCopy.bind(this));
+        this._clipboardMonitor.on('change', this._onExternalSearchUpdate.bind(this));
+        this._clipboardMonitorEnableCheckbox.addEventListener('change', this._onClipboardMonitorEnableChange.bind(this));
+        this._display.hotkeyHandler.on('keydownNonHotkey', this._onKeyDown.bind(this));
+
+        this._onDisplayOptionsUpdated({options: this._display.getOptions()});
+    }
+
+    // Actions
+
+    _onActionFocusSearchBox() {
+        if (this._queryInput === null) { return; }
+        this._queryInput.focus();
+        this._queryInput.select();
+    }
+
+    // Messages
+
+    _onMessageSetMode({mode}) {
+        this._setMode(mode, true);
+    }
+
+    _onMessageGetMode() {
+        return this._mode;
+    }
+
+    // Private
+
+    _onMessage({action, params}, sender, callback) {
+        const messageHandler = this._messageHandlers.get(action);
+        if (typeof messageHandler === 'undefined') { return false; }
+        return yomichan.invokeMessageHandler(messageHandler, params, callback, sender);
+    }
+
+    _onKeyDown(e) {
+        if (
+            document.activeElement !== this._queryInput &&
+            !e.ctrlKey &&
+            !e.metaKey &&
+            !e.altKey &&
+            e.key.length === 1
+        ) {
+            this._queryInput.focus({preventScroll: true});
+        }
+    }
+
+    async _onOptionsUpdated() {
+        await this._display.updateOptions();
+        const query = this._queryInput.value;
+        if (query) {
+            this._display.searchLast();
+        }
+    }
+
+    _onDisplayOptionsUpdated({options}) {
+        this._clipboardMonitorEnabled = options.clipboard.enableSearchPageMonitor;
+        this._updateClipboardMonitorEnabled();
+
+        const enableWanakana = !!this._display.getOptions().general.enableWanakana;
+        this._wanakanaEnableCheckbox.checked = enableWanakana;
+        this._setWanakanaEnabled(enableWanakana);
+    }
+
+    _onContentUpdating({type, content, source}) {
+        let animate = false;
+        let valid = false;
+        switch (type) {
+            case 'terms':
+            case 'kanji':
+                animate = !!content.animate;
+                valid = (typeof source === 'string' && source.length > 0);
+                this._display.blurElement(this._queryInput);
+                break;
+            case 'clear':
+                valid = false;
+                animate = true;
+                source = '';
+                break;
+        }
+
+        if (typeof source !== 'string') { source = ''; }
+
+        if (this._queryInput.value !== source) {
+            this._queryInput.value = source;
+            this._updateSearchHeight(true);
+        }
+        this._setIntroVisible(!valid, animate);
+    }
+
+    _onSearchInput() {
+        this._updateSearchHeight(false);
+    }
+
+    _onSearchKeydown(e) {
+        const {code} = e;
+        if (!((code === 'Enter' || code === 'NumpadEnter') && !e.shiftKey)) { return; }
+
+        // Search
+        e.preventDefault();
+        e.stopImmediatePropagation();
+        this._display.blurElement(e.currentTarget);
+        this._search(true, true, true);
+    }
+
+    _onSearch(e) {
+        e.preventDefault();
+        this._search(true, true, true);
+    }
+
+    _onCopy() {
+        // ignore copy from search page
+        this._clipboardMonitor.setPreviousText(window.getSelection().toString().trim());
+    }
+
+    _onExternalSearchUpdate({text, animate=true}) {
+        const {clipboard: {autoSearchContent, maximumSearchLength}} = this._display.getOptions();
+        if (text.length > maximumSearchLength) {
+            text = text.substring(0, maximumSearchLength);
+        }
+        this._queryInput.value = text;
+        this._updateSearchHeight(true);
+        this._search(animate, false, autoSearchContent);
+    }
+
+    _onWanakanaEnableChange(e) {
+        const value = e.target.checked;
+        this._setWanakanaEnabled(value);
+        api.modifySettings([{
+            action: 'set',
+            path: 'general.enableWanakana',
+            value,
+            scope: 'profile',
+            optionsContext: this._display.getOptionsContext()
+        }], 'search');
+    }
+
+    _onClipboardMonitorEnableChange(e) {
+        const enabled = e.target.checked;
+        this._setClipboardMonitorEnabled(enabled);
+    }
+
+    _setWanakanaEnabled(enabled) {
+        if (this._queryInputEventsSetup && this._wanakanaEnabled === enabled) { return; }
+
+        const input = this._queryInput;
+        this._queryInputEvents.removeAllEventListeners();
+        this._queryInputEvents.addEventListener(input, 'keydown', this._onSearchKeydown.bind(this), false);
+
+        this._wanakanaEnabled = enabled;
+        if (enabled) {
+            wanakana.bind(input);
+        } else {
+            wanakana.unbind(input);
+        }
+
+        this._queryInputEvents.addEventListener(input, 'input', this._onSearchInput.bind(this), false);
+        this._queryInputEventsSetup = true;
+    }
+
+    _setIntroVisible(visible, animate) {
+        if (this._introVisible === visible) {
+            return;
+        }
+
+        this._introVisible = visible;
+
+        if (this._introElement === null) {
+            return;
+        }
+
+        if (this._introAnimationTimer !== null) {
+            clearTimeout(this._introAnimationTimer);
+            this._introAnimationTimer = null;
+        }
+
+        if (visible) {
+            this._showIntro(animate);
+        } else {
+            this._hideIntro(animate);
+        }
+    }
+
+    _showIntro(animate) {
+        if (animate) {
+            const duration = 0.4;
+            this._introElement.style.transition = '';
+            this._introElement.style.height = '';
+            const size = this._introElement.getBoundingClientRect();
+            this._introElement.style.height = '0px';
+            this._introElement.style.transition = `height ${duration}s ease-in-out 0s`;
+            window.getComputedStyle(this._introElement).getPropertyValue('height'); // Commits height so next line can start animation
+            this._introElement.style.height = `${size.height}px`;
+            this._introAnimationTimer = setTimeout(() => {
+                this._introElement.style.height = '';
+                this._introAnimationTimer = null;
+            }, duration * 1000);
+        } else {
+            this._introElement.style.transition = '';
+            this._introElement.style.height = '';
+        }
+    }
+
+    _hideIntro(animate) {
+        if (animate) {
+            const duration = 0.4;
+            const size = this._introElement.getBoundingClientRect();
+            this._introElement.style.height = `${size.height}px`;
+            this._introElement.style.transition = `height ${duration}s ease-in-out 0s`;
+            window.getComputedStyle(this._introElement).getPropertyValue('height'); // Commits height so next line can start animation
+        } else {
+            this._introElement.style.transition = '';
+        }
+        this._introElement.style.height = '0';
+    }
+
+    async _setClipboardMonitorEnabled(value) {
+        let modify = true;
+        if (value) {
+            value = await this._requestPermissions(['clipboardRead']);
+            modify = value;
+        }
+
+        this._clipboardMonitorEnabled = value;
+        this._updateClipboardMonitorEnabled();
+
+        if (!modify) { return; }
+
+        await api.modifySettings([{
+            action: 'set',
+            path: 'clipboard.enableSearchPageMonitor',
+            value,
+            scope: 'profile',
+            optionsContext: this._display.getOptionsContext()
+        }], 'search');
+    }
+
+    _updateClipboardMonitorEnabled() {
+        const enabled = this._clipboardMonitorEnabled;
+        this._clipboardMonitorEnableCheckbox.checked = enabled;
+        if (enabled && this._mode !== 'popup') {
+            this._clipboardMonitor.start();
+        } else {
+            this._clipboardMonitor.stop();
+        }
+    }
+
+    _requestPermissions(permissions) {
+        return new Promise((resolve) => {
+            chrome.permissions.request(
+                {permissions},
+                (granted) => {
+                    const e = chrome.runtime.lastError;
+                    resolve(!e && granted);
+                }
+            );
+        });
+    }
+
+    _search(animate, history, lookup) {
+        const query = this._queryInput.value;
+        const depth = this._display.depth;
+        const url = window.location.href;
+        const documentTitle = document.title;
+        const details = {
+            focus: false,
+            history,
+            params: {
+                query
+            },
+            state: {
+                focusEntry: 0,
+                optionsContext: {depth, url},
+                url,
+                sentence: {text: query, offset: 0},
+                documentTitle
+            },
+            content: {
+                definitions: null,
+                animate,
+                contentOrigin: {
+                    tabId: this.tabId,
+                    frameId: this.frameId
+                }
+            }
+        };
+        if (!lookup) { details.params.lookup = 'false'; }
+        this._display.setContent(details);
+    }
+
+    _updateSearchHeight(shrink) {
+        const node = this._queryInput;
+        if (shrink) {
+            node.style.height = '0';
+        }
+        const {scrollHeight} = node;
+        const currentHeight = node.getBoundingClientRect().height;
+        if (shrink || scrollHeight >= currentHeight - 1) {
+            node.style.height = `${scrollHeight}px`;
+        }
+    }
+
+    _postProcessQuery(query) {
+        if (this._wanakanaEnabled) {
+            try {
+                query = this._japaneseUtil.convertToKana(query);
+            } catch (e) {
+                // NOP
+            }
+        }
+        return query;
+    }
+
+    _registerMessageHandlers(handlers) {
+        for (const [name, handlerInfo] of handlers) {
+            this._messageHandlers.set(name, handlerInfo);
+        }
+    }
+
+    _updateMode() {
+        let mode = null;
+        try {
+            mode = sessionStorage.getItem('mode');
+        } catch (e) {
+            // Browsers can throw a SecurityError when cookie blocking is enabled.
+        }
+        this._setMode(mode, false);
+    }
+
+    _setMode(mode, save) {
+        if (mode === this._mode) { return; }
+        if (save) {
+            try {
+                if (mode === null) {
+                    sessionStorage.removeItem('mode');
+                } else {
+                    sessionStorage.setItem('mode', mode);
+                }
+            } catch (e) {
+                // Browsers can throw a SecurityError when cookie blocking is enabled.
+            }
+        }
+        this._mode = mode;
+        document.documentElement.dataset.searchMode = (mode !== null ? mode : '');
+        this._updateClipboardMonitorEnabled();
+    }
+}
diff --git a/ext/js/display/search-main.js b/ext/js/display/search-main.js
new file mode 100644
index 00000000..c7ec595a
--- /dev/null
+++ b/ext/js/display/search-main.js
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2019-2021  Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/* global
+ * Display
+ * DocumentFocusController
+ * HotkeyHandler
+ * JapaneseUtil
+ * SearchDisplayController
+ * api
+ * wanakana
+ */
+
+(async () => {
+    try {
+        const documentFocusController = new DocumentFocusController();
+        documentFocusController.prepare();
+
+        api.forwardLogsToBackend();
+        await yomichan.backendReady();
+
+        const {tabId, frameId} = await api.frameInformationGet();
+
+        const japaneseUtil = new JapaneseUtil(wanakana);
+
+        const hotkeyHandler = new HotkeyHandler();
+        hotkeyHandler.prepare();
+
+        const display = new Display(tabId, frameId, 'search', japaneseUtil, documentFocusController, hotkeyHandler);
+        await display.prepare();
+
+        const searchDisplayController = new SearchDisplayController(tabId, frameId, display, japaneseUtil);
+        await searchDisplayController.prepare();
+
+        display.initializeState();
+
+        document.documentElement.dataset.loaded = 'true';
+
+        yomichan.ready();
+    } catch (e) {
+        yomichan.logError(e);
+    }
+})();