Files
ai.interactive.fiction/public/js/text-processor.js
T

315 lines
11 KiB
JavaScript

/**
* Text Processor Module
* Handles text formatting and typography enhancements like smart quotes and hyphenation
*/
import { BaseModule } from './base-module.js';
import { moduleRegistry } from './module-registry.js';
class TextProcessorModule extends BaseModule {
constructor() {
super('text-processor', 'Text Processor');
this.smartyPants = null; // Store the function reference here
this.smartypantsu = null; // Store the function reference here
this.hyphenator = null; // For hyphenation function
this.hyphenatorReady = false;
this.locale = 'en-us';
}
/**
* Load module dependencies
* @returns {Promise<boolean>} - Resolves with success status
*/
async loadDependencies() {
try {
this.reportProgress(10, "Loading dependencies");
// Load SmartyPants script dynamically
await this.loadSmartyPantsScript();
this.reportProgress(50, "SmartyPants loaded");
// Initialize hyphenation in the background, but don't wait for it
this.initializeHyphenation();
this.reportProgress(90, "Dependencies loaded");
return true;
} catch (error) {
console.error("Error loading Text Processor dependencies:", error);
return false;
}
}
/**
* Load the SmartyPants script dynamically and wait for it to be ready
* @returns {Promise<void>}
*/
loadSmartyPantsScript() {
return new Promise((resolve, reject) => {
// Check if already loaded globally
if (typeof window.SmartyPants === 'object' && typeof window.SmartyPants.smartypants === 'function') {
this.smartyPants = window.SmartyPants.smartypants;
this.smartypantsu = window.SmartyPants.smartypantsu;
console.log("SmartyPants already loaded globally");
resolve();
return;
}
// Load the script using a script tag
const script = document.createElement('script');
script.src = '/js/smartypants.js';
script.async = false; // Load synchronously relative to other scripts
script.onload = () => {
// Use a microtask to ensure the script has executed
Promise.resolve().then(() => {
if (typeof window.SmartyPants === 'object' && typeof window.SmartyPants.smartypants === 'function') {
this.smartyPants = window.SmartyPants.smartypants;
this.smartypantsu = window.SmartyPants.smartypantsu;
console.log("SmartyPants loaded successfully via script tag");
resolve();
} else {
console.error("SmartyPants script loaded but functions not found on window.SmartyPants");
reject(new Error('SmartyPants functions not found after loading'));
}
});
};
script.onerror = () => {
console.error('Failed to load smartypants.js script');
reject(new Error('Failed to load smartypants.js script'));
};
document.head.appendChild(script);
});
}
/**
* Initialize the module
* @returns {Promise<boolean>} - Resolves with success status
*/
async initialize() {
try {
this.reportProgress(70, "Initializing text processor");
// Get locale from Localization module if available
const localizationModule = moduleRegistry.getModule('localization');
if (localizationModule) {
this.locale = localizationModule.getLocale();
// Register as an observer for locale changes
localizationModule.registerObserver(this, (newLocale) => {
this.setLocale(newLocale);
});
}
// Ensure global locale is set for SmartyPants
window.locale = this.locale;
// Verify SmartyPants is available via the stored references
if (typeof this.smartyPants !== 'function') {
console.error("SmartyPants function not available for initialization");
return false;
}
// Final initialization steps
this.reportProgress(100, "Text processor ready");
return true;
} catch (error) {
console.error("Error initializing Text Processor:", error);
return false;
}
}
/**
* Initialize hyphenation using Hyphenopoly
*/
initializeHyphenation() {
// Create custom events for hyphenation loading status
const hyphenationLoadedEvent = new CustomEvent('hyphenation-loaded');
// Add listener for hyphenation loaded event
document.addEventListener('hyphenation-loaded', () => {
console.log('Hyphenation module loaded');
this.hyphenatorReady = true;
}, { once: true });
// Check if Hyphenopoly is loaded
if (window.Hyphenopoly) {
this.setupHyphenopoly();
} else {
// Set up listener for when Hyphenopoly might be loaded later
window.addEventListener('hyphenopoly-loaded', () => {
this.setupHyphenopoly();
});
// Try loading Hyphenopoly if not already loading
if (!document.querySelector('script[src*="Hyphenopoly_Loader.js"]')) {
this.loadHyphenopolyScript();
}
}
}
/**
* Load the Hyphenopoly script
*/
loadHyphenopolyScript() {
// Create script element for loader
const script = document.createElement('script');
script.src = '/js/Hyphenopoly_Loader.js';
script.async = true;
script.onload = () => {
document.dispatchEvent(new CustomEvent('hyphenopoly-script-loaded'));
};
script.onerror = (error) => {
console.error('Failed to load Hyphenopoly:', error);
document.dispatchEvent(new CustomEvent('hyphenation-error', {
detail: { error: 'Failed to load Hyphenopoly script' }
}));
};
document.head.appendChild(script);
// Set up configuration for Hyphenopoly
window.Hyphenopoly = {
require: {
'en-us': 'FORCEHYPHENATION'
},
paths: {
maindir: '/js/',
patterndir: '/js/patterns/'
},
setup: {
selectors: {
'.hyphenate': {}
}
}
};
}
/**
* Set up Hyphenopoly when it's available
*/
setupHyphenopoly() {
// Wait for hyphenator to be available
if (window.Hyphenopoly && window.Hyphenopoly.hyphenators) {
// Get hyphenator for English
window.Hyphenopoly.hyphenators['en-us'].then((hyphenator) => {
console.log('Hyphenator ready');
this.hyphenator = hyphenator;
this.hyphenatorReady = true;
// Dispatch event that hyphenation is ready
document.dispatchEvent(new CustomEvent('hyphenation-loaded'));
}).catch(err => {
console.error('Error loading hyphenator:', err);
});
}
}
/**
* Set the hyphenator function
* @param {Function} hyphenatorFunc - The hyphenator function
*/
setHyphenator(hyphenatorFunc) {
if (typeof hyphenatorFunc === 'function') {
this.hyphenator = hyphenatorFunc;
this.hyphenatorReady = true;
console.log("Hyphenator function set explicitly");
} else {
console.warn("Invalid hyphenator provided");
}
}
/**
* Process text with SmartyPants and optional hyphenation
* @param {string} text - The text to process
* @param {boolean} useHyphenation - Whether to apply hyphenation
* @returns {string} - The processed text
*/
process(text, useHyphenation = false) {
if (!text) return '';
let processed = text;
// Apply SmartyPants for typographic punctuation using stored references
try {
if (typeof this.smartyPants === 'function') {
processed = this.smartyPants(processed);
} else {
console.warn("SmartyPants function not available for processing");
}
// Convert HTML entities to UTF-8 characters
if (typeof this.smartypantsu === 'function') {
processed = this.smartypantsu(processed);
} else {
console.warn("smartypantsu function not available for processing");
}
} catch (error) {
console.error("Error applying SmartyPants:", error);
}
// Apply hyphenation if enabled and available
if (useHyphenation && this.hyphenatorReady && this.hyphenator) {
try {
processed = this.hyphenator(processed);
} catch (error) {
console.error("Error applying hyphenation:", error);
}
}
return processed;
}
/**
* Check if hyphenation is available
* @returns {boolean} - Whether hyphenation is available
*/
isHyphenationAvailable() {
return this.hyphenatorReady && this.hyphenator !== null;
}
/**
* Apply only hyphenation to text
* @param {string} text - The text to hyphenate
* @returns {string} - The hyphenated text
*/
hyphenate(text) {
if (!text || !this.hyphenatorReady || !this.hyphenator) {
return text;
}
try {
return this.hyphenator(text);
} catch (error) {
console.error("Error hyphenating text:", error);
return text;
}
}
/**
* Set the locale for text processing
* @param {string} locale - The locale code (e.g., 'en-us', 'de')
*/
setLocale(locale) {
if (locale && typeof locale === 'string') {
this.locale = locale.toLowerCase();
// Update global locale for SmartyPants
window.locale = this.locale;
console.log(`TextProcessor: Locale set to ${locale}`);
}
}
}
// Create the singleton instance
const TextProcessor = new TextProcessorModule();
// Register with the module registry
moduleRegistry.register(TextProcessor);
// Export the module
export { TextProcessor };
// Keep a reference in window for loader system
window.TextProcessor = TextProcessor;