Move sandbox files (#731)

* Move sandbox files

* Update order

1 files changed, 0 insertions, 827 deletions

diff --git a/ext/js/templates/sandbox/anki-template-renderer.js b/ext/js/templates/sandbox/anki-template-renderer.js
deleted file mode 100644
index 022716c3..00000000
--- a/ext/js/templates/sandbox/anki-template-renderer.js
+++ /dev/null
@@ -1,827 +0,0 @@
-/*
- * Copyright (C) 2023-2024  Yomitan Authors
- * Copyright (C) 2021-2022  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/>.
- */
-
-import {Handlebars} from '../../../lib/handlebars.js';
-import {createAnkiNoteData} from '../../data/sandbox/anki-note-data-creator.js';
-import {getPronunciationsOfType, isNonNounVerbOrAdjective} from '../../dictionary/dictionary-data-util.js';
-import {createPronunciationDownstepPosition, createPronunciationGraph, createPronunciationText} from '../../display/sandbox/pronunciation-generator.js';
-import {StructuredContentGenerator} from '../../display/sandbox/structured-content-generator.js';
-import {CssStyleApplier} from '../../dom/sandbox/css-style-applier.js';
-import {convertHiraganaToKatakana, convertKatakanaToHiragana, distributeFurigana, getKanaMorae, getPitchCategory, isMoraPitchHigh} from '../../language/ja/japanese.js';
-import {AnkiTemplateRendererContentManager} from './anki-template-renderer-content-manager.js';
-import {TemplateRendererMediaProvider} from './template-renderer-media-provider.js';
-import {TemplateRenderer} from './template-renderer.js';
-
-/**
- * This class contains all Anki-specific template rendering functionality. It is built on
- * the generic TemplateRenderer class and various other Anki-related classes.
- */
-export class AnkiTemplateRenderer {
-    /**
-     * Creates a new instance of the class.
-     */
-    constructor() {
-        /** @type {CssStyleApplier} */
-        this._structuredContentStyleApplier = new CssStyleApplier('/data/structured-content-style.json');
-        /** @type {CssStyleApplier} */
-        this._pronunciationStyleApplier = new CssStyleApplier('/data/pronunciation-style.json');
-        /** @type {RegExp} */
-        this._structuredContentDatasetKeyIgnorePattern = /^sc([^a-z]|$)/;
-        /** @type {TemplateRenderer} */
-        this._templateRenderer = new TemplateRenderer();
-        /** @type {TemplateRendererMediaProvider} */
-        this._mediaProvider = new TemplateRendererMediaProvider();
-        /** @type {?(Map<string, unknown>[])} */
-        this._stateStack = null;
-        /** @type {?import('anki-note-builder').Requirement[]} */
-        this._requirements = null;
-        /** @type {(() => void)[]} */
-        this._cleanupCallbacks = [];
-        /** @type {?HTMLElement} */
-        this._temporaryElement = null;
-    }
-
-    /**
-     * Gets the generic TemplateRenderer instance.
-     * @type {TemplateRenderer}
-     */
-    get templateRenderer() {
-        return this._templateRenderer;
-    }
-
-    /**
-     * Prepares the data that is necessary before the template renderer can be safely used.
-     */
-    async prepare() {
-        /* eslint-disable @stylistic/no-multi-spaces */
-        this._templateRenderer.registerHelpers([
-            ['dumpObject',       this._dumpObject.bind(this)],
-            ['furigana',         this._furigana.bind(this)],
-            ['furiganaPlain',    this._furiganaPlain.bind(this)],
-            ['multiLine',        this._multiLine.bind(this)],
-            ['regexReplace',     this._regexReplace.bind(this)],
-            ['regexMatch',       this._regexMatch.bind(this)],
-            ['mergeTags',        this._mergeTags.bind(this)],
-            ['eachUpTo',         this._eachUpTo.bind(this)],
-            ['spread',           this._spread.bind(this)],
-            ['op',               this._op.bind(this)],
-            ['get',              this._get.bind(this)],
-            ['set',              this._set.bind(this)],
-            ['scope',            this._scope.bind(this)],
-            ['property',         this._property.bind(this)],
-            ['noop',             this._noop.bind(this)],
-            ['isMoraPitchHigh',  this._isMoraPitchHigh.bind(this)],
-            ['getKanaMorae',     this._getKanaMorae.bind(this)],
-            ['typeof',           this._getTypeof.bind(this)],
-            ['join',             this._join.bind(this)],
-            ['concat',           this._concat.bind(this)],
-            ['pitchCategories',  this._pitchCategories.bind(this)],
-            ['formatGlossary',   this._formatGlossary.bind(this)],
-            ['hasMedia',         this._hasMedia.bind(this)],
-            ['getMedia',         this._getMedia.bind(this)],
-            ['pronunciation',    this._pronunciation.bind(this)],
-            ['hiragana',         this._hiragana.bind(this)],
-            ['katakana',         this._katakana.bind(this)]
-        ]);
-        /* eslint-enable @stylistic/no-multi-spaces */
-        this._templateRenderer.registerDataType('ankiNote', {
-            modifier: ({marker, commonData}) => createAnkiNoteData(marker, commonData),
-            composeData: ({marker}, commonData) => ({marker, commonData})
-        });
-        this._templateRenderer.setRenderCallbacks(
-            this._onRenderSetup.bind(this),
-            this._onRenderCleanup.bind(this)
-        );
-        await Promise.all([
-            this._structuredContentStyleApplier.prepare(),
-            this._pronunciationStyleApplier.prepare()
-        ]);
-    }
-
-    // Private
-
-    /**
-     * @returns {{requirements: import('anki-note-builder').Requirement[]}}
-     */
-    _onRenderSetup() {
-        /** @type {import('anki-note-builder').Requirement[]} */
-        const requirements = [];
-        this._stateStack = [new Map()];
-        this._requirements = requirements;
-        this._mediaProvider.requirements = requirements;
-        return {requirements};
-    }
-
-    /**
-     * @returns {void}
-     */
-    _onRenderCleanup() {
-        for (const callback of this._cleanupCallbacks) { callback(); }
-        this._stateStack = null;
-        this._requirements = null;
-        this._mediaProvider.requirements = null;
-        this._cleanupCallbacks.length = 0;
-    }
-
-    /**
-     * @param {string} text
-     * @returns {string}
-     */
-    _safeString(text) {
-        return new Handlebars.SafeString(text);
-    }
-
-    // Template helpers
-
-    /** @type {import('template-renderer').HelperFunction<string>} */
-    _dumpObject(object) {
-        return JSON.stringify(object, null, 4);
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string>} */
-    _furigana(args, context, options) {
-        const {expression, reading} = this._getFuriganaExpressionAndReading(args, context, options);
-        const segments = distributeFurigana(expression, reading);
-
-        let result = '';
-        for (const {text, reading: reading2} of segments) {
-            result += (
-                reading2.length > 0 ?
-                `<ruby>${text}<rt>${reading2}</rt></ruby>` :
-                text
-            );
-        }
-
-        return this._safeString(result);
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string>} */
-    _furiganaPlain(args, context, options) {
-        const {expression, reading} = this._getFuriganaExpressionAndReading(args, context, options);
-        const segments = distributeFurigana(expression, reading);
-
-        let result = '';
-        for (const {text, reading: reading2} of segments) {
-            if (reading2.length > 0) {
-                if (result.length > 0) { result += ' '; }
-                result += `${text}[${reading2}]`;
-            } else {
-                result += text;
-            }
-        }
-
-        return result;
-    }
-
-    /**
-     * @type {import('template-renderer').HelperFunction<{expression: string, reading: string}>}
-     */
-    _getFuriganaExpressionAndReading(args) {
-        let expression;
-        let reading;
-        if (args.length >= 2) {
-            [expression, reading] = /** @type {[expression?: string, reading?: string]} */ (args);
-        } else {
-            ({expression, reading} = /** @type {import('core').SerializableObject} */ (args[0]));
-        }
-        return {
-            expression: typeof expression === 'string' ? expression : '',
-            reading: typeof reading === 'string' ? reading : ''
-        };
-    }
-
-    /**
-     * @param {string} string
-     * @returns {string}
-     */
-    _stringToMultiLineHtml(string) {
-        return string.split('\n').join('<br>');
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string>} */
-    _multiLine(_args, context, options) {
-        return this._stringToMultiLineHtml(this._computeValueString(options, context));
-    }
-
-    /**
-     * Usage:
-     * ```{{#regexReplace regex string [flags] [content]...}}content{{/regexReplace}}```
-     * - regex: regular expression string
-     * - string: string to replace
-     * - flags: optional flags for regular expression.
-     * e.g. "i" for case-insensitive, "g" for replace all
-     * @type {import('template-renderer').HelperFunction<string>}
-     */
-    _regexReplace(args, context, options) {
-        const argCount = args.length;
-        let value = this._computeValueString(options, context);
-        if (argCount > 3) {
-            value = `${args.slice(3).join('')}${value}`;
-        }
-        if (argCount > 1) {
-            try {
-                const [pattern, replacement, flags] = args;
-                if (typeof pattern !== 'string') { throw new Error('Invalid pattern'); }
-                if (typeof replacement !== 'string') { throw new Error('Invalid replacement'); }
-                const regex = new RegExp(pattern, typeof flags === 'string' ? flags : 'g');
-                value = value.replace(regex, replacement);
-            } catch (e) {
-                return `${e}`;
-            }
-        }
-        return value;
-    }
-
-    /**
-     * Usage:
-     * {{#regexMatch regex [flags] [content]...}}content{{/regexMatch}}
-     * - regex: regular expression string
-     * - flags: optional flags for regular expression
-     * e.g. "i" for case-insensitive, "g" for match all
-     * @type {import('template-renderer').HelperFunction<string>}
-     */
-    _regexMatch(args, context, options) {
-        const argCount = args.length;
-        let value = this._computeValueString(options, context);
-        if (argCount > 2) {
-            value = `${args.slice(2).join('')}${value}`;
-        }
-        if (argCount > 0) {
-            try {
-                const [pattern, flags] = args;
-                if (typeof pattern !== 'string') { throw new Error('Invalid pattern'); }
-                const regex = new RegExp(pattern, typeof flags === 'string' ? flags : '');
-                /** @type {string[]} */
-                const parts = [];
-                value.replace(regex, (g0) => {
-                    parts.push(g0);
-                    return g0;
-                });
-                value = parts.join('');
-            } catch (e) {
-                return `${e}`;
-            }
-        }
-        return value;
-    }
-
-    /**
-     * @type {import('template-renderer').HelperFunction<string>}
-     */
-    _mergeTags(args) {
-        const [object, isGroupMode, isMergeMode] = /** @type {[object: import('anki-templates').TermDictionaryEntry, isGroupMode: boolean, isMergeMode: boolean]} */ (args);
-        const tagSources = [];
-        if (isGroupMode || isMergeMode) {
-            const {definitions} = object;
-            if (Array.isArray(definitions)) {
-                for (const definition of definitions) {
-                    tagSources.push(definition.definitionTags);
-                }
-            }
-        } else {
-            tagSources.push(object.definitionTags);
-        }
-
-        const tags = new Set();
-        for (const tagSource of tagSources) {
-            if (!Array.isArray(tagSource)) { continue; }
-            for (const tag of tagSource) {
-                tags.add(tag.name);
-            }
-        }
-
-        return [...tags].join(', ');
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string>} */
-    _eachUpTo(args, context, options) {
-        const [iterable, maxCount] = /** @type {[iterable: Iterable<unknown>, maxCount: number]} */ (args);
-        if (iterable) {
-            const results = [];
-            let any = false;
-            for (const entry of iterable) {
-                any = true;
-                if (results.length >= maxCount) { break; }
-                const processedEntry = this._computeValue(options, entry);
-                results.push(processedEntry);
-            }
-            if (any) {
-                return results.join('');
-            }
-        }
-        return this._computeInverseString(options, context);
-    }
-
-    /** @type {import('template-renderer').HelperFunction<unknown[]>} */
-    _spread(args) {
-        const result = [];
-        for (const array of /** @type {Iterable<unknown>[]} */ (args)) {
-            try {
-                result.push(...array);
-            } catch (e) {
-                // NOP
-            }
-        }
-        return result;
-    }
-
-    /** @type {import('template-renderer').HelperFunction<unknown>} */
-    _op(args) {
-        const [operator] = /** @type {[operator: string, operand1: import('core').SafeAny, operand2?: import('core').SafeAny, operand3?: import('core').SafeAny]} */ (args);
-        switch (args.length) {
-            case 2: return this._evaluateUnaryExpression(operator, args[1]);
-            case 3: return this._evaluateBinaryExpression(operator, args[1], args[2]);
-            case 4: return this._evaluateTernaryExpression(operator, args[1], args[2], args[3]);
-            default: return void 0;
-        }
-    }
-
-    /**
-     * @param {string} operator
-     * @param {import('core').SafeAny} operand1
-     * @returns {unknown}
-     */
-    _evaluateUnaryExpression(operator, operand1) {
-        switch (operator) {
-            case '+': return +operand1;
-            case '-': return -operand1;
-            case '~': return ~operand1;
-            case '!': return !operand1;
-            default: return void 0;
-        }
-    }
-
-    /**
-     * @param {string} operator
-     * @param {import('core').SafeAny} operand1
-     * @param {import('core').SafeAny} operand2
-     * @returns {unknown}
-     */
-    _evaluateBinaryExpression(operator, operand1, operand2) {
-        switch (operator) {
-            case '+': return operand1 + operand2;
-            case '-': return operand1 - operand2;
-            case '/': return operand1 / operand2;
-            case '*': return operand1 * operand2;
-            case '%': return operand1 % operand2;
-            case '**': return operand1 ** operand2;
-            case '==': return operand1 == operand2; // eslint-disable-line eqeqeq
-            case '!=': return operand1 != operand2; // eslint-disable-line eqeqeq
-            case '===': return operand1 === operand2;
-            case '!==': return operand1 !== operand2;
-            case '<': return operand1 < operand2;
-            case '<=': return operand1 <= operand2;
-            case '>': return operand1 > operand2;
-            case '>=': return operand1 >= operand2;
-            case '<<': return operand1 << operand2;
-            case '>>': return operand1 >> operand2;
-            case '>>>': return operand1 >>> operand2;
-            case '&': return operand1 & operand2;
-            case '|': return operand1 | operand2;
-            case '^': return operand1 ^ operand2;
-            case '&&': return operand1 && operand2;
-            case '||': return operand1 || operand2;
-            default: return void 0;
-        }
-    }
-
-    /**
-     * @param {string} operator
-     * @param {import('core').SafeAny} operand1
-     * @param {import('core').SafeAny} operand2
-     * @param {import('core').SafeAny} operand3
-     * @returns {unknown}
-     */
-    _evaluateTernaryExpression(operator, operand1, operand2, operand3) {
-        switch (operator) {
-            case '?:': return operand1 ? operand2 : operand3;
-            default: return void 0;
-        }
-    }
-
-    /** @type {import('template-renderer').HelperFunction<unknown>} */
-    _get(args) {
-        const [key] = /** @type {[key: string]} */ (args);
-        const stateStack = this._stateStack;
-        if (stateStack === null) { throw new Error('Invalid state'); }
-        for (let i = stateStack.length; --i >= 0;) {
-            const map = stateStack[i];
-            if (map.has(key)) {
-                return map.get(key);
-            }
-        }
-        return void 0;
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string>} */
-    _set(args, context, options) {
-        const stateStack = this._stateStack;
-        if (stateStack === null) { throw new Error('Invalid state'); }
-        switch (args.length) {
-            case 1:
-                {
-                    const [key] = /** @type {[key: string]} */ (args);
-                    const value = this._computeValue(options, context);
-                    stateStack[stateStack.length - 1].set(key, value);
-                }
-                break;
-            case 2:
-                {
-                    const [key, value] = /** @type {[key: string, value: unknown]} */ (args);
-                    stateStack[stateStack.length - 1].set(key, value);
-                }
-                break;
-        }
-        return '';
-    }
-
-    /** @type {import('template-renderer').HelperFunction<unknown>} */
-    _scope(_args, context, options) {
-        const stateStack = this._stateStack;
-        if (stateStack === null) { throw new Error('Invalid state'); }
-        try {
-            stateStack.push(new Map());
-            return this._computeValue(options, context);
-        } finally {
-            if (stateStack.length > 1) {
-                stateStack.pop();
-            }
-        }
-    }
-
-    /** @type {import('template-renderer').HelperFunction<unknown>} */
-    _property(args) {
-        const ii = args.length;
-        if (ii <= 0) { return void 0; }
-
-        try {
-            let value = args[0];
-            for (let i = 1; i < ii; ++i) {
-                if (typeof value !== 'object' || value === null) { throw new Error('Invalid object'); }
-                const key = args[i];
-                switch (typeof key) {
-                    case 'number':
-                    case 'string':
-                    case 'symbol':
-                        break;
-                    default:
-                        throw new Error('Invalid key');
-                }
-                value = /** @type {import('core').UnknownObject} */ (value)[key];
-            }
-            return value;
-        } catch (e) {
-            return void 0;
-        }
-    }
-
-    /** @type {import('template-renderer').HelperFunction<unknown>} */
-    _noop(_args, context, options) {
-        return this._computeValue(options, context);
-    }
-
-    /** @type {import('template-renderer').HelperFunction<boolean>} */
-    _isMoraPitchHigh(args) {
-        const [index, position] = /** @type {[index: number, position: number]} */ (args);
-        return isMoraPitchHigh(index, position);
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string[]>} */
-    _getKanaMorae(args) {
-        const [text] = /** @type {[text: string]} */ (args);
-        return getKanaMorae(`${text}`);
-    }
-
-    /** @type {import('template-renderer').HelperFunction<import('core').TypeofResult>} */
-    _getTypeof(args, context, options) {
-        const ii = args.length;
-        const value = (ii > 0 ? args[0] : this._computeValue(options, context));
-        return typeof value;
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string>} */
-    _join(args) {
-        return args.length > 0 ? args.slice(1, args.length).flat().join(/** @type {string} */ (args[0])) : '';
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string>} */
-    _concat(args) {
-        let result = '';
-        for (let i = 0, ii = args.length; i < ii; ++i) {
-            // eslint-disable-next-line @typescript-eslint/restrict-plus-operands
-            result += args[i];
-        }
-        return result;
-    }
-
-    /** @type {import('template-renderer').HelperFunction<string[]>} */
-    _pitchCategories(args) {
-        const [data] = /** @type {[data: import('anki-templates').NoteData]} */ (args);
-        const {dictionaryEntry} = data;
-        if (dictionaryEntry.type !== 'term') { return []; }
-        const {pronunciations: termPronunciations, headwords} = dictionaryEntry;
-        /** @type {Set<string>} */
-        const categories = new Set();
-        for (const {headwordIndex, pronunciations} of termPronunciations) {
-            const {reading, wordClasses} = headwords[headwordIndex];
-            const isVerbOrAdjective = isNonNounVerbOrAdjective(wordClasses);
-            const pitches = getPronunciationsOfType(pronunciations, 'pitch-accent');
-            for (const {position} of pitches) {
-                const category = getPitchCategory(reading, position, isVerbOrAdjective);
-                if (category !== null) {
-                    categories.add(category);
-                }
-            }
-        }
-        return [...categories];
-    }
-
-    /**
-     * @returns {HTMLElement}
-     */
-    _getTemporaryElement() {
-        let element = this._temporaryElement;
-        if (element === null) {
-            element = document.createElement('div');
-            this._temporaryElement = element;
-        }
-        return element;
-    }
-
-    /**
-     * @param {Element} node
-     * @returns {string}
-     */
-    _getStructuredContentHtml(node) {
-        return this._getHtml(node, this._structuredContentStyleApplier, this._structuredContentDatasetKeyIgnorePattern);
-    }
-
-    /**
-     * @param {Element} node
-     * @returns {string}
-     */
-    _getPronunciationHtml(node) {
-        return this._getHtml(node, this._pronunciationStyleApplier, null);
-    }
-
-    /**
-     * @param {Element} node
-     * @param {CssStyleApplier} styleApplier
-     * @param {?RegExp} datasetKeyIgnorePattern
-     * @returns {string}
-     */
-    _getHtml(node, styleApplier, datasetKeyIgnorePattern) {
-        const container = this._getTemporaryElement();
-        container.appendChild(node);
-        this._normalizeHtml(container, styleApplier, datasetKeyIgnorePattern);
-        const result = container.innerHTML;
-        container.textContent = '';
-        return this._safeString(result);
-    }
-
-    /**
-     * @param {Element} root
-     * @param {CssStyleApplier} styleApplier
-     * @param {?RegExp} datasetKeyIgnorePattern
-     */
-    _normalizeHtml(root, styleApplier, datasetKeyIgnorePattern) {
-        const {ELEMENT_NODE, TEXT_NODE} = Node;
-        const treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT);
-        /** @type {HTMLElement[]} */
-        const elements = [];
-        /** @type {Text[]} */
-        const textNodes = [];
-        while (true) {
-            const node = treeWalker.nextNode();
-            if (node === null) { break; }
-            switch (node.nodeType) {
-                case ELEMENT_NODE:
-                    elements.push(/** @type {HTMLElement} */ (node));
-                    break;
-                case TEXT_NODE:
-                    textNodes.push(/** @type {Text} */ (node));
-                    break;
-            }
-        }
-        styleApplier.applyClassStyles(elements);
-        for (const element of elements) {
-            const {dataset} = element;
-            for (const key of Object.keys(dataset)) {
-                if (datasetKeyIgnorePattern !== null && datasetKeyIgnorePattern.test(key)) { continue; }
-                delete dataset[key];
-            }
-        }
-        for (const textNode of textNodes) {
-            this._replaceNewlines(textNode);
-        }
-    }
-
-    /**
-     * @param {Text} textNode
-     */
-    _replaceNewlines(textNode) {
-        const parts = /** @type {string} */ (textNode.nodeValue).split('\n');
-        if (parts.length <= 1) { return; }
-        const {parentNode} = textNode;
-        if (parentNode === null) { return; }
-        const fragment = document.createDocumentFragment();
-        for (let i = 0, ii = parts.length; i < ii; ++i) {
-            if (i > 0) { fragment.appendChild(document.createElement('br')); }
-            fragment.appendChild(document.createTextNode(parts[i]));
-        }
-        parentNode.replaceChild(fragment, textNode);
-    }
-
-    /**
-     * @param {import('anki-templates').NoteData} data
-     * @returns {StructuredContentGenerator}
-     */
-    _createStructuredContentGenerator(data) {
-        const contentManager = new AnkiTemplateRendererContentManager(this._mediaProvider, data);
-        const instance = new StructuredContentGenerator(contentManager, document);
-        this._cleanupCallbacks.push(() => contentManager.unloadAll());
-        return instance;
-    }
-
-    /**
-     * @type {import('template-renderer').HelperFunction<string>}
-     */
-    _formatGlossary(args, _context, options) {
-        const [dictionary, content] = /** @type {[dictionary: string, content: import('dictionary-data').TermGlossaryContent]} */ (args);
-        /** @type {import('anki-templates').NoteData} */
-        const data = options.data.root;
-        if (typeof content === 'string') { return this._safeString(this._stringToMultiLineHtml(content)); }
-        if (!(typeof content === 'object' && content !== null)) { return ''; }
-        switch (content.type) {
-            case 'image': return this._formatGlossaryImage(content, dictionary, data);
-            case 'structured-content': return this._formatStructuredContent(content, dictionary, data);
-            case 'text': return this._safeString(this._stringToMultiLineHtml(content.text));
-        }
-        return '';
-    }
-
-    /**
-     * @param {import('dictionary-data').TermGlossaryImage} content
-     * @param {string} dictionary
-     * @param {import('anki-templates').NoteData} data
-     * @returns {string}
-     */
-    _formatGlossaryImage(content, dictionary, data) {
-        const structuredContentGenerator = this._createStructuredContentGenerator(data);
-        const node = structuredContentGenerator.createDefinitionImage(content, dictionary);
-        return this._getStructuredContentHtml(node);
-    }
-
-    /**
-     * @param {import('dictionary-data').TermGlossaryStructuredContent} content
-     * @param {string} dictionary
-     * @param {import('anki-templates').NoteData} data
-     * @returns {string}
-     */
-    _formatStructuredContent(content, dictionary, data) {
-        const structuredContentGenerator = this._createStructuredContentGenerator(data);
-        const node = structuredContentGenerator.createStructuredContent(content.content, dictionary);
-        return node !== null ? this._getStructuredContentHtml(node) : '';
-    }
-
-    /**
-     * @type {import('template-renderer').HelperFunction<boolean>}
-     */
-    _hasMedia(args, _context, options) {
-        /** @type {import('anki-templates').NoteData} */
-        const data = options.data.root;
-        return this._mediaProvider.hasMedia(data, args, options.hash);
-    }
-
-    /**
-     * @type {import('template-renderer').HelperFunction<?string>}
-     */
-    _getMedia(args, _context, options) {
-        /** @type {import('anki-templates').NoteData} */
-        const data = options.data.root;
-        return this._mediaProvider.getMedia(data, args, options.hash);
-    }
-
-    /**
-     * @type {import('template-renderer').HelperFunction<string>}
-     */
-    _pronunciation(_args, _context, options) {
-        const {format, reading, downstepPosition} = options.hash;
-
-        if (
-            typeof reading !== 'string' ||
-            reading.length === 0 ||
-            typeof downstepPosition !== 'number'
-        ) {
-            return '';
-        }
-        const morae = getKanaMorae(reading);
-
-        switch (format) {
-            case 'text':
-            {
-                const nasalPositions = this._getValidNumberArray(options.hash.nasalPositions);
-                const devoicePositions = this._getValidNumberArray(options.hash.devoicePositions);
-                return this._getPronunciationHtml(createPronunciationText(morae, downstepPosition, nasalPositions, devoicePositions));
-            }
-            case 'graph':
-                return this._getPronunciationHtml(createPronunciationGraph(morae, downstepPosition));
-            case 'position':
-                return this._getPronunciationHtml(createPronunciationDownstepPosition(downstepPosition));
-            default:
-                return '';
-        }
-    }
-
-    /**
-     * @param {unknown} value
-     * @returns {number[]}
-     */
-    _getValidNumberArray(value) {
-        const result = [];
-        if (Array.isArray(value)) {
-            for (const item of value) {
-                if (typeof item === 'number') { result.push(item); }
-            }
-        }
-        return result;
-    }
-
-    /**
-     * @type {import('template-renderer').HelperFunction<string>}
-     */
-    _hiragana(args, context, options) {
-        const ii = args.length;
-        const {keepProlongedSoundMarks} = options.hash;
-        const value = (ii > 0 ? args[0] : this._computeValue(options, context));
-        return typeof value === 'string' ? convertKatakanaToHiragana(value, keepProlongedSoundMarks === true) : '';
-    }
-
-    /**
-     * @type {import('template-renderer').HelperFunction<string>}
-     */
-    _katakana(args, context, options) {
-        const ii = args.length;
-        const value = (ii > 0 ? args[0] : this._computeValue(options, context));
-        return typeof value === 'string' ? convertHiraganaToKatakana(value) : '';
-    }
-
-    /**
-     * @param {unknown} value
-     * @returns {string}
-     */
-    _asString(value) {
-        return typeof value === 'string' ? value : `${value}`;
-    }
-
-    /**
-     * @param {import('template-renderer').HelperOptions} options
-     * @param {unknown} context
-     * @returns {unknown}
-     */
-    _computeValue(options, context) {
-        return typeof options.fn === 'function' ? options.fn(context) : '';
-    }
-
-    /**
-     * @param {import('template-renderer').HelperOptions} options
-     * @param {unknown} context
-     * @returns {string}
-     */
-    _computeValueString(options, context) {
-        return this._asString(this._computeValue(options, context));
-    }
-
-    /**
-     * @param {import('template-renderer').HelperOptions} options
-     * @param {unknown} context
-     * @returns {unknown}
-     */
-    _computeInverse(options, context) {
-        return typeof options.inverse === 'function' ? options.inverse(context) : '';
-    }
-
-    /**
-     * @param {import('template-renderer').HelperOptions} options
-     * @param {unknown} context
-     * @returns {string}
-     */
-    _computeInverseString(options, context) {
-        return this._asString(this._computeInverse(options, context));
-    }
-}