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import cliProgress from 'cli-progress'; /** * Default configuration for progress bars * Extracted to avoid duplication and provide single source of truth */ const DEFAULT_CONFIG = { clearOnComplete: false, stopOnComplete: true, hideCursor: true, barsize: 40 // Standard terminal width for progress bar }; /** * Available presets for progress bar styling * Makes it easy to see what options are available */ const PRESETS = { shades_classic: cliProgress.Presets.shades_classic, shades_grey: cliProgress.Presets.shades_grey, rect: cliProgress.Presets.rect, legacy: cliProgress.Presets.legacy }; /** * Factory class for creating CLI progress bars * Provides a consistent interface for creating both single and multi-bar instances */ export class ProgressBarFactory { constructor(defaultOptions = {}, defaultPreset = PRESETS.shades_classic) { this.defaultOptions = { ...DEFAULT_CONFIG, ...defaultOptions }; this.defaultPreset = defaultPreset; } /** * Creates a new single progress bar * @param {Object} opts - Custom options to override defaults * @param {Object} preset - Progress bar preset for styling * @returns {cliProgress.SingleBar} Configured single progress bar instance */ createSingleBar(opts = {}, preset = null) { const config = this._mergeConfig(opts); const barPreset = preset || this.defaultPreset; return new cliProgress.SingleBar(config, barPreset); } /** * Creates a new multi-bar container * @param {Object} opts - Custom options to override defaults * @param {Object} preset - Progress bar preset for styling * @returns {cliProgress.MultiBar} Configured multi-bar instance */ createMultiBar(opts = {}, preset = null) { const config = this._mergeConfig(opts); const barPreset = preset || this.defaultPreset; return new cliProgress.MultiBar(config, barPreset); } /** * Merges custom options with defaults * @private * @param {Object} customOpts - Custom options to merge * @returns {Object} Merged configuration */ _mergeConfig(customOpts) { return { ...this.defaultOptions, ...customOpts }; } /** * Updates the default configuration * @param {Object} options - New default options */ setDefaultOptions(options) { this.defaultOptions = { ...this.defaultOptions, ...options }; } /** * Updates the default preset * @param {Object} preset - New default preset */ setDefaultPreset(preset) { this.defaultPreset = preset; } } // Create a default factory instance for backward compatibility const defaultFactory = new ProgressBarFactory(); /** * Legacy function for creating a single progress bar * @deprecated Use ProgressBarFactory.createSingleBar() instead * @param {Object} opts - Progress bar options * @returns {cliProgress.SingleBar} Single progress bar instance */ export function newSingle(opts = {}) { return defaultFactory.createSingleBar(opts); } /** * Legacy function for creating a multi-bar * @deprecated Use ProgressBarFactory.createMultiBar() instead * @param {Object} opts - Progress bar options * @returns {cliProgress.MultiBar} Multi-bar instance */ export function newMultiBar(opts = {}) { return defaultFactory.createMultiBar(opts); } // Export presets for easy access export { PRESETS }; // Export the factory class as default export default ProgressBarFactory;