/* * 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 * DictionaryDataUtil * HtmlTemplateCollection */ class DisplayGenerator { constructor({japaneseUtil, mediaLoader, hotkeyHelpController=null}) { this._japaneseUtil = japaneseUtil; this._mediaLoader = mediaLoader; this._hotkeyHelpController = hotkeyHelpController; this._templates = null; this._termPitchAccentStaticTemplateIsSetup = false; } async prepare() { const html = await yomichan.api.getDisplayTemplatesHtml(); this._templates = new HtmlTemplateCollection(html); this.updateHotkeys(); } updateHotkeys() { const hotkeyHelpController = this._hotkeyHelpController; if (hotkeyHelpController === null) { return; } for (const template of this._templates.getAllTemplates()) { hotkeyHelpController.setupNode(template.content); } } preparePitchAccents() { if (this._termPitchAccentStaticTemplateIsSetup) { return; } this._termPitchAccentStaticTemplateIsSetup = true; const t = this._templates.instantiate('pitch-accent-static'); document.head.appendChild(t); } createTermEntry(dictionaryEntry) { const node = this._templates.instantiate('term-entry'); const headwordsContainer = node.querySelector('.headword-list'); const inflectionsContainer = node.querySelector('.inflection-list'); const pitchesContainer = node.querySelector('.pitch-accent-group-list'); const frequencyGroupListContainer = node.querySelector('.frequency-group-list'); const definitionsContainer = node.querySelector('.definition-list'); const headwordTagsContainer = node.querySelector('.headword-list-tag-list'); const {headwords, type, inflections, definitions, frequencies, pronunciations} = dictionaryEntry; const pitches = DictionaryDataUtil.getPitchAccentInfos(dictionaryEntry); const pitchCount = pitches.reduce((i, v) => i + v.pitches.length, 0); const groupedFrequencies = DictionaryDataUtil.groupTermFrequencies(dictionaryEntry); const termTags = DictionaryDataUtil.groupTermTags(dictionaryEntry); const uniqueTerms = new Set(); const uniqueReadings = new Set(); for (const {term, reading} of headwords) { uniqueTerms.add(term); uniqueReadings.add(reading); } node.dataset.format = type; node.dataset.headwordCount = `${headwords.length}`; node.dataset.definitionCount = `${definitions.length}`; node.dataset.pitchAccentDictionaryCount = `${pitches.length}`; node.dataset.pitchAccentCount = `${pitchCount}`; node.dataset.uniqueTermCount = `${uniqueTerms.size}`; node.dataset.uniqueReadingCount = `${uniqueReadings.size}`; node.dataset.frequencyCount = `${frequencies.length}`; node.dataset.groupedFrequencyCount = `${groupedFrequencies.length}`; for (let i = 0, ii = headwords.length; i < ii; ++i) { const node2 = this._createTermHeadword(headwords[i], i, pronunciations); node2.dataset.index = `${i}`; headwordsContainer.appendChild(node2); } headwordsContainer.dataset.count = `${headwords.length}`; this._appendMultiple(inflectionsContainer, this._createTermInflection.bind(this), inflections); this._appendMultiple(frequencyGroupListContainer, this._createFrequencyGroup.bind(this), groupedFrequencies, false); this._appendMultiple(pitchesContainer, this._createPitches.bind(this), pitches); this._appendMultiple(headwordTagsContainer, this._createTermTag.bind(this), termTags, headwords.length); for (const term of uniqueTerms) { headwordTagsContainer.appendChild(this._createSearchTag(term)); } for (const reading of uniqueReadings) { if (uniqueTerms.has(reading)) { continue; } headwordTagsContainer.appendChild(this._createSearchTag(reading)); } // Add definitions const dictionaryTag = this._createDictionaryTag(null); for (let i = 0, ii = definitions.length; i < ii; ++i) { const definition = definitions[i]; const {dictionary} = definition; if (dictionaryTag.dictionary === dictionary) { dictionaryTag.redundant = true; } else { dictionaryTag.redundant = false; dictionaryTag.dictionary = dictionary; dictionaryTag.name = dictionary; } const node2 = this._createTermDefinition(definition, dictionaryTag, headwords, uniqueTerms, uniqueReadings); node2.dataset.index = `${i}`; definitionsContainer.appendChild(node2); } definitionsContainer.dataset.count = `${definitions.length}`; return node; } createKanjiEntry(dictionaryEntry) { const node = this._templates.instantiate('kanji-entry'); const glyphContainer = node.querySelector('.kanji-glyph'); const frequencyGroupListContainer = node.querySelector('.frequency-group-list'); const tagContainer = node.querySelector('.kanji-tag-list'); const definitionsContainer = node.querySelector('.kanji-gloss-list'); const chineseReadingsContainer = node.querySelector('.kanji-readings-chinese'); const japaneseReadingsContainer = node.querySelector('.kanji-readings-japanese'); const statisticsContainer = node.querySelector('.kanji-statistics'); const classificationsContainer = node.querySelector('.kanji-classifications'); const codepointsContainer = node.querySelector('.kanji-codepoints'); const dictionaryIndicesContainer = node.querySelector('.kanji-dictionary-indices'); this._setTextContent(glyphContainer, dictionaryEntry.character, 'ja'); const groupedFrequencies = DictionaryDataUtil.groupKanjiFrequencies(dictionaryEntry.frequencies); const dictionaryTag = this._createDictionaryTag(dictionaryEntry.dictionary); this._appendMultiple(frequencyGroupListContainer, this._createFrequencyGroup.bind(this), groupedFrequencies, true); this._appendMultiple(tagContainer, this._createTag.bind(this), [...dictionaryEntry.tags, dictionaryTag]); this._appendMultiple(definitionsContainer, this._createKanjiDefinition.bind(this), dictionaryEntry.definitions); this._appendMultiple(chineseReadingsContainer, this._createKanjiReading.bind(this), dictionaryEntry.onyomi); this._appendMultiple(japaneseReadingsContainer, this._createKanjiReading.bind(this), dictionaryEntry.kunyomi); statisticsContainer.appendChild(this._createKanjiInfoTable(dictionaryEntry.stats.misc)); classificationsContainer.appendChild(this._createKanjiInfoTable(dictionaryEntry.stats.class)); codepointsContainer.appendChild(this._createKanjiInfoTable(dictionaryEntry.stats.code)); dictionaryIndicesContainer.appendChild(this._createKanjiInfoTable(dictionaryEntry.stats.index)); return node; } createEmptyFooterNotification() { return this._templates.instantiate('footer-notification'); } createTagFooterNotificationDetails(tagNode, dictionaryEntry) { const node = this._templates.instantiateFragment('footer-notification-tag-details'); let details = tagNode.dataset.details; if (typeof details !== 'string') { const label = tagNode.querySelector('.tag-label-content'); details = label !== null ? label.textContent : ''; } this._setTextContent(node.querySelector('.tag-details'), details); if (dictionaryEntry !== null) { const {headwords} = dictionaryEntry; const disambiguationHeadwords = []; const {headwords: headwordIndices} = tagNode.dataset; if (typeof headwordIndices === 'string' && headwordIndices.length > 0) { for (let headwordIndex of headwordIndices.split(' ')) { headwordIndex = Number.parseInt(headwordIndex, 10); if (!Number.isNaN(headwordIndex) && headwordIndex >= 0 && headwordIndex < headwords.length) { disambiguationHeadwords.push(headwords[headwordIndex]); } } } if (disambiguationHeadwords.length > 0 && disambiguationHeadwords.length < headwords.length) { const disambiguationContainer = node.querySelector('.tag-details-disambiguation-list'); const copyAttributes = ['totalHeadwordCount', 'matchedHeadwordCount', 'unmatchedHeadwordCount']; for (const attribute of copyAttributes) { const value = tagNode.dataset[attribute]; if (typeof value === 'undefined') { continue; } disambiguationContainer.dataset[attribute] = value; } for (const {term, reading} of disambiguationHeadwords) { const disambiguationItem = document.createElement('span'); disambiguationItem.className = 'tag-details-disambiguation'; this._appendFurigana(disambiguationItem, term, reading, (container, text) => { container.appendChild(document.createTextNode(text)); }); disambiguationContainer.appendChild(disambiguationItem); } } } return node; } createAnkiNoteErrorsNotificationContent(errors) { const content = this._templates.instantiate('footer-notification-anki-errors-content'); const header = content.querySelector('.anki-note-error-header'); this._setTextContent(header, (errors.length === 1 ? 'An error occurred:' : `${errors.length} errors occurred:`), 'en'); const list = content.querySelector('.anki-note-error-list'); for (const error of errors) { const div = document.createElement('li'); div.className = 'anki-note-error-message'; this._setTextContent(div, isObject(error) && typeof error.message === 'string' ? error.message : `${error}`); list.appendChild(div); } return content; } createProfileListItem() { return this._templates.instantiate('profile-list-item'); } instantiateTemplate(name) { return this._templates.instantiate(name); } // Private _createTermHeadword(headword, headwordIndex, pronunciations) { const {term, reading, tags} = headword; const searchQueries = []; if (term) { searchQueries.push(term); } if (reading) { searchQueries.push(reading); } const node = this._templates.instantiate('headword'); const termContainer = node.querySelector('.headword-term'); const tagContainer = node.querySelector('.headword-tag-list'); node.dataset.readingIsSame = `${reading === term}`; node.dataset.frequency = DictionaryDataUtil.getTermFrequency(tags); const {wordClasses} = headword; const pitchAccentCategories = this._getPitchAccentCategories(reading, pronunciations, wordClasses, headwordIndex); if (pitchAccentCategories !== null) { node.dataset.pitchAccentCategories = pitchAccentCategories; } if (wordClasses.length > 0) { node.dataset.wordClasses = wordClasses.join(' '); } this._setTextContent(node.querySelector('.headword-reading'), reading); this._appendFurigana(termContainer, term, reading, this._appendKanjiLinks.bind(this)); this._appendMultiple(tagContainer, this._createTag.bind(this), tags); this._appendMultiple(tagContainer, this._createSearchTag.bind(this), searchQueries); return node; } _createTermInflection(inflection) { const fragment = this._templates.instantiateFragment('inflection'); const node = fragment.querySelector('.inflection'); this._setTextContent(node, inflection); node.dataset.reason = inflection; return fragment; } _createTermDefinition(definition, dictionaryTag, headwords, uniqueTerms, uniqueReadings) { const {dictionary, tags, headwordIndices, entries} = definition; const disambiguations = DictionaryDataUtil.getDisambiguations(headwords, headwordIndices, uniqueTerms, uniqueReadings); const node = this._templates.instantiate('definition-item'); const tagListContainer = node.querySelector('.definition-tag-list'); const onlyListContainer = node.querySelector('.definition-disambiguation-list'); const entriesContainer = node.querySelector('.gloss-list'); node.dataset.dictionary = dictionary; this._appendMultiple(tagListContainer, this._createTag.bind(this), [...tags, dictionaryTag]); this._appendMultiple(onlyListContainer, this._createTermDisambiguation.bind(this), disambiguations); this._appendMultiple(entriesContainer, this._createTermDefinitionEntry.bind(this), entries, dictionary); return node; } _createTermDefinitionEntry(entry, dictionary) { if (typeof entry === 'string') { return this._createTermDefinitionEntryText(entry); } else if (typeof entry === 'object' && entry !== null) { switch (entry.type) { case 'image': return this._createTermDefinitionEntryImage(entry, dictionary); } } return null; } _createTermDefinitionEntryText(text) { const node = this._templates.instantiate('gloss-item'); const container = node.querySelector('.gloss-content'); this._setMultilineTextContent(container, text); return node; } _createTermDefinitionEntryImage(data, dictionary) { const {path, width, height, preferredWidth, preferredHeight, title, description, pixelated} = data; const usedWidth = ( typeof preferredWidth === 'number' ? preferredWidth : width ); const aspectRatio = ( typeof preferredWidth === 'number' && typeof preferredHeight === 'number' ? preferredWidth / preferredHeight : width / height ); const node = this._templates.instantiate('gloss-item-image'); node.dataset.path = path; node.dataset.dictionary = dictionary; node.dataset.imageLoadState = 'not-loaded'; const imageContainer = node.querySelector('.gloss-image-container'); imageContainer.style.width = `${usedWidth}em`; if (typeof title === 'string') { imageContainer.title = title; } const aspectRatioSizer = node.querySelector('.gloss-image-aspect-ratio-sizer'); aspectRatioSizer.style.paddingTop = `${aspectRatio * 100.0}%`; const image = node.querySelector('img.gloss-image'); const imageLink = node.querySelector('.gloss-image-link'); image.dataset.pixelated = `${pixelated === true}`; if (this._mediaLoader !== null) { this._mediaLoader.loadMedia( path, dictionary, (url) => this._setImageData(node, image, imageLink, url, false), () => this._setImageData(node, image, imageLink, null, true) ); } if (typeof description === 'string') { const container = node.querySelector('.gloss-image-description'); this._setMultilineTextContent(container, description); } return node; } _setImageData(container, image, imageLink, url, unloaded) { if (url !== null) { image.src = url; imageLink.href = url; container.dataset.imageLoadState = 'loaded'; } else { image.removeAttribute('src'); imageLink.removeAttribute('href'); container.dataset.imageLoadState = unloaded ? 'unloaded' : 'load-error'; } } _createTermDisambiguation(disambiguation) { const node = this._templates.instantiate('definition-disambiguation'); node.dataset.term = disambiguation; this._setTextContent(node, disambiguation, 'ja'); return node; } _createKanjiLink(character) { const node = document.createElement('a'); node.className = 'headword-kanji-link'; this._setTextContent(node, character, 'ja'); return node; } _createKanjiDefinition(text) { const node = this._templates.instantiate('kanji-gloss-item'); const container = node.querySelector('.kanji-gloss-content'); this._setMultilineTextContent(container, text); return node; } _createKanjiReading(reading) { const node = this._templates.instantiate('kanji-reading'); this._setTextContent(node, reading, 'ja'); return node; } _createKanjiInfoTable(details) { const node = this._templates.instantiate('kanji-info-table'); const container = node.querySelector('.kanji-info-table-body'); const count = this._appendMultiple(container, this._createKanjiInfoTableItem.bind(this), details); if (count === 0) { const n = this._createKanjiInfoTableItemEmpty(); container.appendChild(n); } return node; } _createKanjiInfoTableItem(details) { const {content, name, value} = details; const node = this._templates.instantiate('kanji-info-table-item'); const nameNode = node.querySelector('.kanji-info-table-item-header'); const valueNode = node.querySelector('.kanji-info-table-item-value'); this._setTextContent(nameNode, content.length > 0 ? content : name); this._setTextContent(valueNode, value); return node; } _createKanjiInfoTableItemEmpty() { return this._templates.instantiate('kanji-info-table-empty'); } _createTag(tag) { const {content, name, category, redundant} = tag; const node = this._templates.instantiate('tag'); const inner = node.querySelector('.tag-label-content'); const contentString = content.join('\n'); node.title = contentString; this._setTextContent(inner, name); node.dataset.details = contentString.length > 0 ? contentString : name; node.dataset.category = category; if (redundant) { node.dataset.redundant = 'true'; } return node; } _createTermTag(tagInfo, totalHeadwordCount) { const {tag, headwordIndices} = tagInfo; const node = this._createTag(tag); node.dataset.headwords = headwordIndices.join(' '); node.dataset.totalHeadwordCount = `${totalHeadwordCount}`; node.dataset.matchedHeadwordCount = `${headwordIndices.length}`; node.dataset.unmatchedHeadwordCount = `${Math.max(0, totalHeadwordCount - headwordIndices.length)}`; return node; } _createTagData(name, category) { return { name, category, order: 0, score: 0, content: [], dictionaries: [], redundant: false }; } _createSearchTag(text) { return this._createTag(this._createTagData(text, 'search')); } _createPitches(details) { this.preparePitchAccents(); const {dictionary, pitches} = details; const node = this._templates.instantiate('pitch-accent-group'); node.dataset.dictionary = dictionary; node.dataset.pitchesMulti = 'true'; node.dataset.pitchesCount = `${pitches.length}`; const tag = this._createTag(this._createTagData(dictionary, 'pitch-accent-dictionary')); node.querySelector('.pitch-accent-group-tag-list').appendChild(tag); let hasTags = false; for (const {tags} of pitches) { if (tags.length > 0) { hasTags = true; break; } } const n = node.querySelector('.pitch-accent-list'); n.dataset.hasTags = `${hasTags}`; this._appendMultiple(n, this._createPitch.bind(this), pitches); return node; } _createPitch(details) { const jp = this._japaneseUtil; const {reading, position, tags, exclusiveTerms, exclusiveReadings} = details; const morae = jp.getKanaMorae(reading); const node = this._templates.instantiate('pitch-accent'); node.dataset.pitchAccentPosition = `${position}`; node.dataset.tagCount = `${tags.length}`; let n = node.querySelector('.pitch-accent-position'); this._setTextContent(n, `${position}`, ''); n = node.querySelector('.pitch-accent-tag-list'); this._appendMultiple(n, this._createTag.bind(this), tags); n = node.querySelector('.pitch-accent-disambiguation-list'); this._createPitchAccentDisambiguations(n, exclusiveTerms, exclusiveReadings); n = node.querySelector('.pitch-accent-characters'); for (let i = 0, ii = morae.length; i < ii; ++i) { const mora = morae[i]; const highPitch = jp.isMoraPitchHigh(i, position); const highPitchNext = jp.isMoraPitchHigh(i + 1, position); const n1 = this._templates.instantiate('pitch-accent-character'); const n2 = n1.querySelector('.pitch-accent-character-inner'); n1.dataset.position = `${i}`; n1.dataset.pitch = highPitch ? 'high' : 'low'; n1.dataset.pitchNext = highPitchNext ? 'high' : 'low'; this._setTextContent(n2, mora, 'ja'); n.appendChild(n1); } if (morae.length > 0) { this._populatePitchGraph(node.querySelector('.pitch-accent-graph'), position, morae); } return node; } _createPitchAccentDisambiguations(container, exclusiveTerms, exclusiveReadings) { const templateName = 'pitch-accent-disambiguation'; for (const term of exclusiveTerms) { const node = this._templates.instantiate(templateName); node.dataset.type = 'term'; this._setTextContent(node, term, 'ja'); container.appendChild(node); } for (const exclusiveReading of exclusiveReadings) { const node = this._templates.instantiate(templateName); node.dataset.type = 'reading'; this._setTextContent(node, exclusiveReading, 'ja'); container.appendChild(node); } container.dataset.count = `${exclusiveTerms.length + exclusiveReadings.length}`; container.dataset.termCount = `${exclusiveTerms.length}`; container.dataset.readingCount = `${exclusiveReadings.length}`; } _populatePitchGraph(svg, position, morae) { const jp = this._japaneseUtil; const svgns = svg.getAttribute('xmlns'); const ii = morae.length; svg.setAttribute('viewBox', `0 0 ${50 * (ii + 1)} 100`); const pathPoints = []; for (let i = 0; i < ii; ++i) { const highPitch = jp.isMoraPitchHigh(i, position); const highPitchNext = jp.isMoraPitchHigh(i + 1, position); const graphic = (highPitch && !highPitchNext ? '#pitch-accent-graph-dot-downstep' : '#pitch-accent-graph-dot'); const x = `${i * 50 + 25}`; const y = highPitch ? '25' : '75'; const use = document.createElementNS(svgns, 'use'); use.setAttribute('href', graphic); use.setAttribute('x', x); use.setAttribute('y', y); svg.appendChild(use); pathPoints.push(`${x} ${y}`); } let path = svg.querySelector('.pitch-accent-graph-line'); path.setAttribute('d', `M${pathPoints.join(' L')}`); pathPoints.splice(0, ii - 1); { const highPitch = jp.isMoraPitchHigh(ii, position); const x = `${ii * 50 + 25}`; const y = highPitch ? '25' : '75'; const use = document.createElementNS(svgns, 'use'); use.setAttribute('href', '#pitch-accent-graph-triangle'); use.setAttribute('x', x); use.setAttribute('y', y); svg.appendChild(use); pathPoints.push(`${x} ${y}`); } path = svg.querySelector('.pitch-accent-graph-line-tail'); path.setAttribute('d', `M${pathPoints.join(' L')}`); } _createFrequencyGroup(details, kanji) { const {dictionary, frequencies} = details; const node = this._templates.instantiate('frequency-group-item'); const body = node.querySelector('.tag-body-content'); this._setTextContent(node.querySelector('.tag-label-content'), dictionary); node.dataset.details = dictionary; const ii = frequencies.length; for (let i = 0; i < ii; ++i) { const item = frequencies[i]; const itemNode = (kanji ? this._createKanjiFrequency(item, dictionary) : this._createTermFrequency(item, dictionary)); itemNode.dataset.index = `${i}`; body.appendChild(itemNode); } body.dataset.count = `${ii}`; node.dataset.count = `${ii}`; node.dataset.details = dictionary; return node; } _createTermFrequency(details, dictionary) { const {term, reading, values} = details; const node = this._templates.instantiate('term-frequency-item'); this._setTextContent(node.querySelector('.tag-label-content'), dictionary); const frequency = values.join(', '); this._setTextContent(node.querySelector('.frequency-disambiguation-term'), term, 'ja'); this._setTextContent(node.querySelector('.frequency-disambiguation-reading'), (reading !== null ? reading : ''), 'ja'); this._setTextContent(node.querySelector('.frequency-value'), frequency, 'ja'); node.dataset.term = term; node.dataset.reading = reading; node.dataset.hasReading = `${reading !== null}`; node.dataset.readingIsSame = `${reading === term}`; node.dataset.dictionary = dictionary; node.dataset.frequency = `${frequency}`; node.dataset.details = dictionary; return node; } _createKanjiFrequency(details, dictionary) { const {character, values} = details; const node = this._templates.instantiate('kanji-frequency-item'); const frequency = values.join(', '); this._setTextContent(node.querySelector('.tag-label-content'), dictionary); this._setTextContent(node.querySelector('.frequency-value'), frequency, 'ja'); node.dataset.character = character; node.dataset.dictionary = dictionary; node.dataset.frequency = `${frequency}`; node.dataset.details = dictionary; return node; } _appendKanjiLinks(container, text) { const jp = this._japaneseUtil; let part = ''; for (const c of text) { if (jp.isCodePointKanji(c.codePointAt(0))) { if (part.length > 0) { container.appendChild(document.createTextNode(part)); part = ''; } const link = this._createKanjiLink(c); container.appendChild(link); } else { part += c; } } if (part.length > 0) { container.appendChild(document.createTextNode(part)); } } _appendMultiple(container, createItem, detailsArray, ...args) { let count = 0; const {ELEMENT_NODE} = Node; if (Array.isArray(detailsArray)) { for (const details of detailsArray) { const item = createItem(details, ...args); if (item === null) { continue; } container.appendChild(item); if (item.nodeType === ELEMENT_NODE) { item.dataset.index = `${count}`; } ++count; } } container.dataset.count = `${count}`; return count; } _appendFurigana(container, term, reading, addText) { container.lang = 'ja'; const segments = this._japaneseUtil.distributeFurigana(term, reading); for (const {text, reading: reading2} of segments) { if (reading2) { const ruby = document.createElement('ruby'); const rt = document.createElement('rt'); addText(ruby, text); ruby.appendChild(rt); rt.appendChild(document.createTextNode(reading2)); container.appendChild(ruby); } else { addText(container, text); } } } _createDictionaryTag(dictionary) { return this._createTagData(dictionary, 'dictionary'); } _setTextContent(node, value, language) { if (typeof language === 'string') { node.lang = language; } else if (this._japaneseUtil.isStringPartiallyJapanese(value)) { node.lang = 'ja'; } node.textContent = value; } _setMultilineTextContent(node, value, language) { // This can't just call _setTextContent because the lack of <br> elements will // cause the text to not copy correctly. if (typeof language === 'string') { node.lang = language; } else if (this._japaneseUtil.isStringPartiallyJapanese(value)) { node.lang = 'ja'; } let start = 0; while (true) { const end = value.indexOf('\n', start); if (end < 0) { break; } node.appendChild(document.createTextNode(value.substring(start, end))); node.appendChild(document.createElement('br')); start = end + 1; } if (start < value.length) { node.appendChild(document.createTextNode(start === 0 ? value : value.substring(start))); } } _getPitchAccentCategories(reading, pronunciations, wordClasses, headwordIndex) { if (pronunciations.length === 0) { return null; } const isVerbOrAdjective = this._isVerbOrAdjective(wordClasses); const categories = new Set(); for (const pronunciation of pronunciations) { if (pronunciation.headwordIndex !== headwordIndex) { continue; } for (const {position} of pronunciation.pitches) { const category = this._japaneseUtil.getPitchCategory(reading, position, isVerbOrAdjective); if (category !== null) { categories.add(category); } } } return categories.size > 0 ? [...categories].join(' ') : null; } _isVerbOrAdjective(wordClasses) { let isVerbOrAdjective = false; let isSuruVerb = false; let isNoun = false; for (const wordClass of wordClasses) { switch (wordClass) { case 'v1': case 'v5': case 'vk': case 'vz': case 'adj-i': isVerbOrAdjective = true; break; case 'vs': isVerbOrAdjective = true; isSuruVerb = true; break; case 'n': isNoun = true; break; } } return isVerbOrAdjective && !(isSuruVerb && isNoun); } }