Move settings scripts

1 files changed, 0 insertions, 810 deletions

diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
deleted file mode 100644
index 9e9604e2..00000000
--- a/ext/bg/js/settings.js
+++ /dev/null
@@ -1,810 +0,0 @@
-/*
- * Copyright (C) 2016-2017  Alex Yatskov <alex@foosoft.net>
- * Author: Alex Yatskov <alex@foosoft.net>
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-async function getOptionsArray() {
-    const optionsFull = await apiOptionsGetFull();
-    return optionsFull.profiles.map((profile) => profile.options);
-}
-
-async function formRead(options) {
-    options.general.enable = $('#enable').prop('checked');
-    options.general.showGuide = $('#show-usage-guide').prop('checked');
-    options.general.compactTags = $('#compact-tags').prop('checked');
-    options.general.compactGlossaries = $('#compact-glossaries').prop('checked');
-    options.general.resultOutputMode = $('#result-output-mode').val();
-    options.general.debugInfo = $('#show-debug-info').prop('checked');
-    options.general.showAdvanced = $('#show-advanced-options').prop('checked');
-    options.general.maxResults = parseInt($('#max-displayed-results').val(), 10);
-    options.general.popupDisplayMode = $('#popup-display-mode').val();
-    options.general.popupHorizontalTextPosition = $('#popup-horizontal-text-position').val();
-    options.general.popupVerticalTextPosition = $('#popup-vertical-text-position').val();
-    options.general.popupWidth = parseInt($('#popup-width').val(), 10);
-    options.general.popupHeight = parseInt($('#popup-height').val(), 10);
-    options.general.popupHorizontalOffset = parseInt($('#popup-horizontal-offset').val(), 0);
-    options.general.popupVerticalOffset = parseInt($('#popup-vertical-offset').val(), 10);
-    options.general.popupHorizontalOffset2 = parseInt($('#popup-horizontal-offset2').val(), 0);
-    options.general.popupVerticalOffset2 = parseInt($('#popup-vertical-offset2').val(), 10);
-    options.general.popupTheme = $('#popup-theme').val();
-    options.general.popupOuterTheme = $('#popup-outer-theme').val();
-    options.general.customPopupCss = $('#custom-popup-css').val();
-    options.general.customPopupOuterCss = $('#custom-popup-outer-css').val();
-
-    options.audio.enabled = $('#audio-playback-enabled').prop('checked');
-    options.audio.autoPlay = $('#auto-play-audio').prop('checked');
-    options.audio.volume = parseFloat($('#audio-playback-volume').val());
-    options.audio.customSourceUrl = $('#audio-custom-source').val();
-    options.audio.textToSpeechVoice = $('#text-to-speech-voice').val();
-
-    options.scanning.middleMouse = $('#middle-mouse-button-scan').prop('checked');
-    options.scanning.touchInputEnabled = $('#touch-input-enabled').prop('checked');
-    options.scanning.selectText = $('#select-matched-text').prop('checked');
-    options.scanning.alphanumeric = $('#search-alphanumeric').prop('checked');
-    options.scanning.autoHideResults = $('#auto-hide-results').prop('checked');
-    options.scanning.deepDomScan = $('#deep-dom-scan').prop('checked');
-    options.scanning.enablePopupSearch = $('#enable-search-within-first-popup').prop('checked');
-    options.scanning.enableOnPopupExpressions = $('#enable-scanning-of-popup-expressions').prop('checked');
-    options.scanning.enableOnSearchPage = $('#enable-scanning-on-search-page').prop('checked');
-    options.scanning.delay = parseInt($('#scan-delay').val(), 10);
-    options.scanning.length = parseInt($('#scan-length').val(), 10);
-    options.scanning.modifier = $('#scan-modifier-key').val();
-    options.scanning.popupNestingMaxDepth = parseInt($('#popup-nesting-max-depth').val(), 10);
-
-    options.parsing.enableScanningParser = $('#parsing-scan-enable').prop('checked');
-    options.parsing.enableMecabParser = $('#parsing-mecab-enable').prop('checked');
-    options.parsing.readingMode = $('#parsing-reading-mode').val();
-
-    const optionsAnkiEnableOld = options.anki.enable;
-    options.anki.enable = $('#anki-enable').prop('checked');
-    options.anki.tags = utilBackgroundIsolate($('#card-tags').val().split(/[,; ]+/));
-    options.anki.sentenceExt = parseInt($('#sentence-detection-extent').val(), 10);
-    options.anki.server = $('#interface-server').val();
-    options.anki.screenshot.format = $('#screenshot-format').val();
-    options.anki.screenshot.quality = parseInt($('#screenshot-quality').val(), 10);
-    options.anki.fieldTemplates = $('#field-templates').val();
-
-    if (optionsAnkiEnableOld && !ankiErrorShown()) {
-        options.anki.terms.deck = $('#anki-terms-deck').val();
-        options.anki.terms.model = $('#anki-terms-model').val();
-        options.anki.terms.fields = utilBackgroundIsolate(ankiFieldsToDict($('#terms .anki-field-value')));
-        options.anki.kanji.deck = $('#anki-kanji-deck').val();
-        options.anki.kanji.model = $('#anki-kanji-model').val();
-        options.anki.kanji.fields = utilBackgroundIsolate(ankiFieldsToDict($('#kanji .anki-field-value')));
-    }
-}
-
-async function formWrite(options) {
-    $('#enable').prop('checked', options.general.enable);
-    $('#show-usage-guide').prop('checked', options.general.showGuide);
-    $('#compact-tags').prop('checked', options.general.compactTags);
-    $('#compact-glossaries').prop('checked', options.general.compactGlossaries);
-    $('#result-output-mode').val(options.general.resultOutputMode);
-    $('#show-debug-info').prop('checked', options.general.debugInfo);
-    $('#show-advanced-options').prop('checked', options.general.showAdvanced);
-    $('#max-displayed-results').val(options.general.maxResults);
-    $('#popup-display-mode').val(options.general.popupDisplayMode);
-    $('#popup-horizontal-text-position').val(options.general.popupHorizontalTextPosition);
-    $('#popup-vertical-text-position').val(options.general.popupVerticalTextPosition);
-    $('#popup-width').val(options.general.popupWidth);
-    $('#popup-height').val(options.general.popupHeight);
-    $('#popup-horizontal-offset').val(options.general.popupHorizontalOffset);
-    $('#popup-vertical-offset').val(options.general.popupVerticalOffset);
-    $('#popup-horizontal-offset2').val(options.general.popupHorizontalOffset2);
-    $('#popup-vertical-offset2').val(options.general.popupVerticalOffset2);
-    $('#popup-theme').val(options.general.popupTheme);
-    $('#popup-outer-theme').val(options.general.popupOuterTheme);
-    $('#custom-popup-css').val(options.general.customPopupCss);
-    $('#custom-popup-outer-css').val(options.general.customPopupOuterCss);
-
-    $('#audio-playback-enabled').prop('checked', options.audio.enabled);
-    $('#auto-play-audio').prop('checked', options.audio.autoPlay);
-    $('#audio-playback-volume').val(options.audio.volume);
-    $('#audio-custom-source').val(options.audio.customSourceUrl);
-    $('#text-to-speech-voice').val(options.audio.textToSpeechVoice).attr('data-value', options.audio.textToSpeechVoice);
-
-    $('#middle-mouse-button-scan').prop('checked', options.scanning.middleMouse);
-    $('#touch-input-enabled').prop('checked', options.scanning.touchInputEnabled);
-    $('#select-matched-text').prop('checked', options.scanning.selectText);
-    $('#search-alphanumeric').prop('checked', options.scanning.alphanumeric);
-    $('#auto-hide-results').prop('checked', options.scanning.autoHideResults);
-    $('#deep-dom-scan').prop('checked', options.scanning.deepDomScan);
-    $('#enable-search-within-first-popup').prop('checked', options.scanning.enablePopupSearch);
-    $('#enable-scanning-of-popup-expressions').prop('checked', options.scanning.enableOnPopupExpressions);
-    $('#enable-scanning-on-search-page').prop('checked', options.scanning.enableOnSearchPage);
-    $('#scan-delay').val(options.scanning.delay);
-    $('#scan-length').val(options.scanning.length);
-    $('#scan-modifier-key').val(options.scanning.modifier);
-    $('#popup-nesting-max-depth').val(options.scanning.popupNestingMaxDepth);
-
-    $('#parsing-scan-enable').prop('checked', options.parsing.enableScanningParser);
-    $('#parsing-mecab-enable').prop('checked', options.parsing.enableMecabParser);
-    $('#parsing-reading-mode').val(options.parsing.readingMode);
-
-    $('#anki-enable').prop('checked', options.anki.enable);
-    $('#card-tags').val(options.anki.tags.join(' '));
-    $('#sentence-detection-extent').val(options.anki.sentenceExt);
-    $('#interface-server').val(options.anki.server);
-    $('#screenshot-format').val(options.anki.screenshot.format);
-    $('#screenshot-quality').val(options.anki.screenshot.quality);
-    $('#field-templates').val(options.anki.fieldTemplates);
-
-    onAnkiTemplatesValidateCompile();
-    await onDictionaryOptionsChanged(options);
-
-    try {
-        await ankiDeckAndModelPopulate(options);
-    } catch (e) {
-        ankiErrorShow(e);
-    }
-
-    formUpdateVisibility(options);
-}
-
-function formSetupEventListeners() {
-    $('input, select, textarea').not('.anki-model').not('.ignore-form-changes *').change((e) => onFormOptionsChanged(e));
-    $('.anki-model').change((e) => onAnkiModelChanged(e));
-}
-
-function formUpdateVisibility(options) {
-    document.documentElement.dataset.optionsAnkiEnable = `${!!options.anki.enable}`;
-    document.documentElement.dataset.optionsGeneralDebugInfo = `${!!options.general.debugInfo}`;
-    document.documentElement.dataset.optionsGeneralShowAdvanced = `${!!options.general.showAdvanced}`;
-    document.documentElement.dataset.optionsGeneralResultOutputMode = `${options.general.resultOutputMode}`;
-
-    if (options.general.debugInfo) {
-        const temp = utilIsolate(options);
-        temp.anki.fieldTemplates = '...';
-        const text = JSON.stringify(temp, null, 4);
-        $('#debug').text(text);
-    }
-}
-
-async function onFormOptionsChanged(e) {
-    if (!e.originalEvent && !e.isTrigger) {
-        return;
-    }
-
-    const optionsContext = getOptionsContext();
-    const options = await apiOptionsGet(optionsContext);
-    const optionsAnkiEnableOld = options.anki.enable;
-    const optionsAnkiServerOld = options.anki.server;
-
-    await formRead(options);
-    await settingsSaveOptions();
-    formUpdateVisibility(options);
-
-    try {
-        const ankiUpdated =
-            options.anki.enable !== optionsAnkiEnableOld ||
-            options.anki.server !== optionsAnkiServerOld;
-
-        if (ankiUpdated) {
-            ankiSpinnerShow(true);
-            await ankiDeckAndModelPopulate(options);
-            ankiErrorShow();
-        }
-    } catch (error) {
-        ankiErrorShow(error);
-    } finally {
-        ankiSpinnerShow(false);
-    }
-}
-
-async function onReady() {
-    showExtensionInformation();
-
-    formSetupEventListeners();
-    appearanceInitialize();
-    await audioSettingsInitialize();
-    await profileOptionsSetup();
-    await dictSettingsInitialize();
-    ankiTemplatesInitialize();
-
-    storageInfoInitialize();
-
-    chrome.runtime.onMessage.addListener(onMessage);
-}
-
-$(document).ready(() => onReady());
-
-
-/*
- * Appearance
- */
-
-function appearanceInitialize() {
-    let previewVisible = false;
-    $('#settings-popup-preview-button').on('click', () => {
-        if (previewVisible) { return; }
-        showAppearancePreview();
-        previewVisible = true;
-    });
-}
-
-function showAppearancePreview() {
-    const container = $('#settings-popup-preview-container');
-    const buttonContainer = $('#settings-popup-preview-button-container');
-    const settings = $('#settings-popup-preview-settings');
-    const text = $('#settings-popup-preview-text');
-    const customCss = $('#custom-popup-css');
-    const customOuterCss = $('#custom-popup-outer-css');
-
-    const frame = document.createElement('iframe');
-    frame.src = '/bg/settings-popup-preview.html';
-    frame.id = 'settings-popup-preview-frame';
-
-    window.wanakana.bind(text[0]);
-
-    text.on('input', () => {
-        const action = 'setText';
-        const params = {text: text.val()};
-        frame.contentWindow.postMessage({action, params}, '*');
-    });
-    customCss.on('input', () => {
-        const action = 'setCustomCss';
-        const params = {css: customCss.val()};
-        frame.contentWindow.postMessage({action, params}, '*');
-    });
-    customOuterCss.on('input', () => {
-        const action = 'setCustomOuterCss';
-        const params = {css: customOuterCss.val()};
-        frame.contentWindow.postMessage({action, params}, '*');
-    });
-
-    container.append(frame);
-    buttonContainer.remove();
-    settings.css('display', '');
-}
-
-
-/*
- * Audio
- */
-
-let audioSourceUI = null;
-
-async function audioSettingsInitialize() {
-    const optionsContext = getOptionsContext();
-    const options = await apiOptionsGet(optionsContext);
-    audioSourceUI = new AudioSourceUI.Container(options.audio.sources, $('.audio-source-list'), $('.audio-source-add'));
-    audioSourceUI.save = () => settingsSaveOptions();
-
-    textToSpeechInitialize();
-}
-
-function textToSpeechInitialize() {
-    if (typeof speechSynthesis === 'undefined') { return; }
-
-    speechSynthesis.addEventListener('voiceschanged', () => updateTextToSpeechVoices(), false);
-    updateTextToSpeechVoices();
-
-    $('#text-to-speech-voice-test').on('click', () => textToSpeechTest());
-}
-
-function updateTextToSpeechVoices() {
-    const voices = Array.prototype.map.call(speechSynthesis.getVoices(), (voice, index) => ({voice, index}));
-    voices.sort(textToSpeechVoiceCompare);
-    if (voices.length > 0) {
-        $('#text-to-speech-voice-container').css('display', '');
-    }
-
-    const select = $('#text-to-speech-voice');
-    select.empty();
-    select.append($('<option>').val('').text('None'));
-    for (const {voice} of voices) {
-        select.append($('<option>').val(voice.voiceURI).text(`${voice.name} (${voice.lang})`));
-    }
-
-    select.val(select.attr('data-value'));
-}
-
-function languageTagIsJapanese(languageTag) {
-    return (
-        languageTag.startsWith('ja-') ||
-        languageTag.startsWith('jpn-')
-    );
-}
-
-function textToSpeechVoiceCompare(a, b) {
-    const aIsJapanese = languageTagIsJapanese(a.voice.lang);
-    const bIsJapanese = languageTagIsJapanese(b.voice.lang);
-    if (aIsJapanese) {
-        if (!bIsJapanese) { return -1; }
-    } else {
-        if (bIsJapanese) { return 1; }
-    }
-
-    const aIsDefault = a.voice.default;
-    const bIsDefault = b.voice.default;
-    if (aIsDefault) {
-        if (!bIsDefault) { return -1; }
-    } else {
-        if (bIsDefault) { return 1; }
-    }
-
-    if (a.index < b.index) { return -1; }
-    if (a.index > b.index) { return 1; }
-    return 0;
-}
-
-function textToSpeechTest() {
-    try {
-        const text = $('#text-to-speech-voice-test').attr('data-speech-text') || '';
-        const voiceURI = $('#text-to-speech-voice').val();
-        const voice = audioGetTextToSpeechVoice(voiceURI);
-        if (voice === null) { return; }
-
-        const utterance = new SpeechSynthesisUtterance(text);
-        utterance.lang = 'ja-JP';
-        utterance.voice = voice;
-        utterance.volume = 1.0;
-
-        speechSynthesis.speak(utterance);
-    } catch (e) {
-        // NOP
-    }
-}
-
-
-/*
- * Remote options updates
- */
-
-function settingsGetSource() {
-    return new Promise((resolve) => {
-        chrome.tabs.getCurrent((tab) => resolve(`settings${tab ? tab.id : ''}`));
-    });
-}
-
-async function settingsSaveOptions() {
-    const source = await settingsGetSource();
-    await apiOptionsSave(source);
-}
-
-async function onOptionsUpdate({source}) {
-    const thisSource = await settingsGetSource();
-    if (source === thisSource) { return; }
-
-    const optionsContext = getOptionsContext();
-    const options = await apiOptionsGet(optionsContext);
-    await formWrite(options);
-}
-
-function onMessage({action, params}, sender, callback) {
-    switch (action) {
-        case 'optionsUpdate':
-            onOptionsUpdate(params);
-            break;
-        case 'getUrl':
-            callback({url: window.location.href});
-            break;
-    }
-}
-
-
-/*
- * Anki
- */
-
-function ankiSpinnerShow(show) {
-    const spinner = $('#anki-spinner');
-    if (show) {
-        spinner.show();
-    } else {
-        spinner.hide();
-    }
-}
-
-function ankiErrorShow(error) {
-    const dialog = $('#anki-error');
-    if (error) {
-        dialog.show().text(error);
-    }
-    else {
-        dialog.hide();
-    }
-}
-
-function ankiErrorShown() {
-    return $('#anki-error').is(':visible');
-}
-
-function ankiFieldsToDict(selection) {
-    const result = {};
-    selection.each((index, element) => {
-        result[$(element).data('field')] = $(element).val();
-    });
-
-    return result;
-}
-
-async function ankiDeckAndModelPopulate(options) {
-    const ankiFormat = $('#anki-format').hide();
-
-    const deckNames = await utilAnkiGetDeckNames();
-    const ankiDeck = $('.anki-deck');
-    ankiDeck.find('option').remove();
-    deckNames.sort().forEach((name) => ankiDeck.append($('<option/>', {value: name, text: name})));
-
-    const modelNames = await utilAnkiGetModelNames();
-    const ankiModel = $('.anki-model');
-    ankiModel.find('option').remove();
-    modelNames.sort().forEach((name) => ankiModel.append($('<option/>', {value: name, text: name})));
-
-    $('#anki-terms-deck').val(options.anki.terms.deck);
-    await ankiFieldsPopulate($('#anki-terms-model').val(options.anki.terms.model), options);
-
-    $('#anki-kanji-deck').val(options.anki.kanji.deck);
-    await ankiFieldsPopulate($('#anki-kanji-model').val(options.anki.kanji.model), options);
-
-    ankiFormat.show();
-}
-
-function ankiCreateFieldTemplate(name, value, markers) {
-    const template = document.querySelector('#anki-field-template').content;
-    const content = document.importNode(template, true).firstChild;
-
-    content.querySelector('.anki-field-name').textContent = name;
-
-    const field = content.querySelector('.anki-field-value');
-    field.dataset.field = name;
-    field.value = value;
-
-    content.querySelector('.anki-field-marker-list').appendChild(ankiGetFieldMarkersHtml(markers));
-
-    return content;
-}
-
-function ankiGetFieldMarkersHtml(markers, fragment) {
-    const template = document.querySelector('#anki-field-marker-template').content;
-    if (!fragment) {
-        fragment = new DocumentFragment();
-    }
-    for (const marker of markers) {
-        const markerNode = document.importNode(template, true).firstChild;
-        markerNode.querySelector('.marker-link').textContent = marker;
-        fragment.appendChild(markerNode);
-    }
-    return fragment;
-}
-
-function ankiGetFieldMarkers(type) {
-    switch (type) {
-        case 'terms':
-            return [
-                'audio',
-                'cloze-body',
-                'cloze-prefix',
-                'cloze-suffix',
-                'dictionary',
-                'expression',
-                'furigana',
-                'furigana-plain',
-                'glossary',
-                'glossary-brief',
-                'reading',
-                'screenshot',
-                'sentence',
-                'tags',
-                'url'
-            ];
-        case 'kanji':
-            return [
-                'character',
-                'dictionary',
-                'glossary',
-                'kunyomi',
-                'onyomi',
-                'screenshot',
-                'sentence',
-                'tags',
-                'url'
-            ];
-        default:
-            return [];
-    }
-}
-
-async function ankiFieldsPopulate(element, options) {
-    const modelName = element.val();
-    if (!modelName) {
-        return;
-    }
-
-    const tab = element.closest('.tab-pane');
-    const tabId = tab.attr('id');
-    const container = tab.find('tbody').empty();
-    const markers = ankiGetFieldMarkers(tabId);
-
-    for (const name of await utilAnkiGetModelFieldNames(modelName)) {
-        const value = options.anki[tabId].fields[name] || '';
-        const html = ankiCreateFieldTemplate(name, value, markers);
-        container.append($(html));
-    }
-
-    tab.find('.anki-field-value').change((e) => onFormOptionsChanged(e));
-    tab.find('.marker-link').click((e) => onAnkiMarkerClicked(e));
-}
-
-function onAnkiMarkerClicked(e) {
-    e.preventDefault();
-    const link = e.target;
-    $(link).closest('.input-group').find('.anki-field-value').val(`{${link.text}}`).trigger('change');
-}
-
-async function onAnkiModelChanged(e) {
-    try {
-        if (!e.originalEvent) {
-            return;
-        }
-
-        const element = $(this);
-        const tab = element.closest('.tab-pane');
-        const tabId = tab.attr('id');
-
-        const optionsContext = getOptionsContext();
-        const options = await apiOptionsGet(optionsContext);
-        await formRead(options);
-        options.anki[tabId].fields = utilBackgroundIsolate({});
-        await settingsSaveOptions();
-
-        ankiSpinnerShow(true);
-        await ankiFieldsPopulate(element, options);
-        ankiErrorShow();
-    } catch (error) {
-        ankiErrorShow(error);
-    } finally {
-        ankiSpinnerShow(false);
-    }
-}
-
-function onAnkiFieldTemplatesReset(e) {
-    e.preventDefault();
-    $('#field-template-reset-modal').modal('show');
-}
-
-async function onAnkiFieldTemplatesResetConfirm(e) {
-    try {
-        e.preventDefault();
-
-        $('#field-template-reset-modal').modal('hide');
-
-        const optionsContext = getOptionsContext();
-        const options = await apiOptionsGet(optionsContext);
-        const fieldTemplates = profileOptionsGetDefaultFieldTemplates();
-        options.anki.fieldTemplates = fieldTemplates;
-        $('#field-templates').val(fieldTemplates);
-        onAnkiTemplatesValidateCompile();
-        await settingsSaveOptions();
-    } catch (error) {
-        ankiErrorShow(error);
-    }
-}
-
-function ankiTemplatesInitialize() {
-    const markers = new Set(ankiGetFieldMarkers('terms').concat(ankiGetFieldMarkers('kanji')));
-    const fragment = ankiGetFieldMarkersHtml(markers);
-
-    const list = document.querySelector('#field-templates-list');
-    list.appendChild(fragment);
-    for (const node of list.querySelectorAll('.marker-link')) {
-        node.addEventListener('click', onAnkiTemplateMarkerClicked, false);
-    }
-
-    $('#field-templates').on('change', (e) => onAnkiTemplatesValidateCompile(e));
-    $('#field-template-render').on('click', (e) => onAnkiTemplateRender(e));
-    $('#field-templates-reset').on('click', (e) => onAnkiFieldTemplatesReset(e));
-    $('#field-templates-reset-confirm').on('click', (e) => onAnkiFieldTemplatesResetConfirm(e));
-}
-
-const ankiTemplatesValidateGetDefinition = (() => {
-    let cachedValue = null;
-    let cachedText = null;
-
-    return async (text, optionsContext) => {
-        if (cachedText !== text) {
-            const {definitions} = await apiTermsFind(text, {}, optionsContext);
-            if (definitions.length === 0) { return null; }
-
-            cachedValue = definitions[0];
-            cachedText = text;
-        }
-        return cachedValue;
-    };
-})();
-
-async function ankiTemplatesValidate(infoNode, field, mode, showSuccessResult, invalidateInput) {
-    const text = document.querySelector('#field-templates-preview-text').value || '';
-    const exceptions = [];
-    let result = `No definition found for ${text}`;
-    try {
-        const optionsContext = getOptionsContext();
-        const definition = await ankiTemplatesValidateGetDefinition(text, optionsContext);
-        if (definition !== null) {
-            const options = await apiOptionsGet(optionsContext);
-            result = await dictFieldFormat(field, definition, mode, options, exceptions);
-        }
-    } catch (e) {
-        exceptions.push(e);
-    }
-
-    const hasException = exceptions.length > 0;
-    infoNode.hidden = !(showSuccessResult || hasException);
-    infoNode.textContent = hasException ? exceptions.map((e) => `${e}`).join('\n') : (showSuccessResult ? result : '');
-    infoNode.classList.toggle('text-danger', hasException);
-    if (invalidateInput) {
-        const input = document.querySelector('#field-templates');
-        input.classList.toggle('is-invalid', hasException);
-    }
-}
-
-function onAnkiTemplatesValidateCompile() {
-    const infoNode = document.querySelector('#field-template-compile-result');
-    ankiTemplatesValidate(infoNode, '{expression}', 'term-kanji', false, true);
-}
-
-function onAnkiTemplateMarkerClicked(e) {
-    e.preventDefault();
-    document.querySelector('#field-template-render-text').value = `{${e.target.textContent}}`;
-}
-
-function onAnkiTemplateRender(e) {
-    e.preventDefault();
-
-    const field = document.querySelector('#field-template-render-text').value;
-    const infoNode = document.querySelector('#field-template-render-result');
-    infoNode.hidden = true;
-    ankiTemplatesValidate(infoNode, field, 'term-kanji', true, false);
-}
-
-
-/*
- * Storage
- */
-
-function storageBytesToLabeledString(size) {
-    const base = 1000;
-    const labels = [' bytes', 'KB', 'MB', 'GB'];
-    let labelIndex = 0;
-    while (size >= base) {
-        size /= base;
-        ++labelIndex;
-    }
-    const label = labelIndex === 0 ? `${size}` : size.toFixed(1);
-    return `${label}${labels[labelIndex]}`;
-}
-
-async function storageEstimate() {
-    try {
-        return (storageEstimate.mostRecent = await navigator.storage.estimate());
-    } catch (e) {
-        // NOP
-    }
-    return null;
-}
-storageEstimate.mostRecent = null;
-
-async function isStoragePeristent() {
-    try {
-        return await navigator.storage.persisted();
-    } catch (e) {
-        // NOP
-    }
-    return false;
-}
-
-async function storageInfoInitialize() {
-    storagePersistInitialize();
-    const {browser, platform} = await apiGetEnvironmentInfo();
-    document.documentElement.dataset.browser = browser;
-    document.documentElement.dataset.operatingSystem = platform.os;
-
-    await storageShowInfo();
-
-    document.querySelector('#storage-refresh').addEventListener('click', () => storageShowInfo(), false);
-}
-
-async function storageUpdateStats() {
-    storageUpdateStats.isUpdating = true;
-
-    const estimate = await storageEstimate();
-    const valid = (estimate !== null);
-
-    if (valid) {
-        // Firefox reports usage as 0 when persistent storage is enabled.
-        const finite = (estimate.usage > 0 || !(await isStoragePeristent()));
-        if (finite) {
-            document.querySelector('#storage-usage').textContent = storageBytesToLabeledString(estimate.usage);
-            document.querySelector('#storage-quota').textContent = storageBytesToLabeledString(estimate.quota);
-        }
-        document.querySelector('#storage-use-finite').classList.toggle('storage-hidden', !finite);
-        document.querySelector('#storage-use-infinite').classList.toggle('storage-hidden', finite);
-    }
-
-    storageUpdateStats.isUpdating = false;
-    return valid;
-}
-storageUpdateStats.isUpdating = false;
-
-async function storageShowInfo() {
-    storageSpinnerShow(true);
-
-    const valid = await storageUpdateStats();
-    document.querySelector('#storage-use').classList.toggle('storage-hidden', !valid);
-    document.querySelector('#storage-error').classList.toggle('storage-hidden', valid);
-
-    storageSpinnerShow(false);
-}
-
-function storageSpinnerShow(show) {
-    const spinner = $('#storage-spinner');
-    if (show) {
-        spinner.show();
-    } else {
-        spinner.hide();
-    }
-}
-
-async function storagePersistInitialize() {
-    if (!(navigator.storage && navigator.storage.persist)) {
-        // Not supported
-        return;
-    }
-
-    const info = document.querySelector('#storage-persist-info');
-    const button = document.querySelector('#storage-persist-button');
-    const checkbox = document.querySelector('#storage-persist-button-checkbox');
-
-    info.classList.remove('storage-hidden');
-    button.classList.remove('storage-hidden');
-
-    let persisted = await isStoragePeristent();
-    checkbox.checked = persisted;
-
-    button.addEventListener('click', async () => {
-        if (persisted) {
-            return;
-        }
-        let result = false;
-        try {
-            result = await navigator.storage.persist();
-        } catch (e) {
-            // NOP
-        }
-
-        if (result) {
-            persisted = true;
-            checkbox.checked = true;
-            storageShowInfo();
-        } else {
-            $('.storage-persist-fail-warning').removeClass('storage-hidden');
-        }
-    }, false);
-}
-
-
-/*
- * Information
- */
-
-function showExtensionInformation() {
-    const node = document.getElementById('extension-info');
-    if (node === null) { return; }
-
-    const manifest = chrome.runtime.getManifest();
-    node.textContent = `${manifest.name} v${manifest.version}`;
-}