/* * Copyright (C) 2023 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 {isObject} from '../core.js'; /** * This class has some general utility functions for working with Anki data. */ export class AnkiUtil { /** @type {RegExp} @readonly */ static _markerPattern = /\{([\w-]+)\}/g; /** * Gets the root deck name of a full deck name. If the deck is a root deck, * the same name is returned. Nested decks are separated using '::'. * @param {string} deckName A string of the deck name. * @returns {string} A string corresponding to the name of the root deck. */ static getRootDeckName(deckName) { const index = deckName.indexOf('::'); return index >= 0 ? deckName.substring(0, index) : deckName; } /** * Checks whether or not any marker is contained in a string. * @param {string} string A string to check. * @returns {boolean} `true` if the text contains an Anki field marker, `false` otherwise. */ static stringContainsAnyFieldMarker(string) { const result = this._markerPattern.test(string); this._markerPattern.lastIndex = 0; return result; } /** * Gets a list of all markers that are contained in a string. * @param {string} string A string to check. * @returns {string[]} An array of marker strings. */ static getFieldMarkers(string) { const pattern = this._markerPattern; const markers = []; while (true) { const match = pattern.exec(string); if (match === null) { break; } markers.push(match[1]); } return markers; } /** * Returns a regular expression which can be used to find markers in a string. * @param {boolean} global Whether or not the regular expression should have the global flag. * @returns {RegExp} A new `RegExp` instance. */ static cloneFieldMarkerPattern(global) { return new RegExp(this._markerPattern.source, global ? 'g' : ''); } /** * Checks whether or not a note object is valid. * @param {import('anki').Note} note A note object to check. * @returns {boolean} `true` if the note is valid, `false` otherwise. */ static isNoteDataValid(note) { if (!isObject(note)) { return false; } const {fields, deckName, modelName} = note; return ( typeof deckName === 'string' && typeof modelName === 'string' && Object.entries(fields).length > 0 ); } }