nhb-toolbox/dist/dts/pluralize/Pluralizer.d.ts

A versatile collection of smart, efficient, and reusable utility functions and classes for everyday development needs.

import type { PluralizeOptions } from './types';
/**
 * * Handles English word pluralization and singularization with support for irregular forms and uncountable nouns.
 *
 * - Provides methods to convert words between singular and plural forms, check if a word is plural or singular, and manage custom pluralization rules.
 * - Supports adding custom pluralization and singularization rules, as well as uncountable nouns.
 * - Automatically handles common irregular forms like "child" to "children"
 * - Automatically loads common irregular forms and uncountable nouns.
 * - Supports options for count-based pluralization, allowing for inclusive formatting.
 * - This class is useful for applications that need to handle natural language processing, such as chatbots, content management systems, or any text processing tasks that require accurate pluralization.
 *
 * @remarks For simpler pluralization (plural with only 's'), please refer to {@link https://nhb-toolbox.vercel.app/docs/utilities/string/formatUnitWithPlural formatUnitWithPlural} instead.
 *
 * @remarks For ready to use instance, please refer to {@link https://nhb-toolbox.vercel.app/docs/utilities/string/pluralizer pluralizer} instead.
 *
 * @example
 * const pluralizer = new Pluralizer();
 * pluralizer.pluralize('child'); // "children"
 * pluralizer.toSingular('geese'); // "goose"
 * pluralizer.isPlural('fish'); // false (uncountable)
 */
export declare class Pluralizer {
    #private;
    /**
     * Initializes the Pluralizer with default rules and exceptions.
     * Automatically loads irregular, pluralization and singular rules along with pre-defined uncountable nouns.
     */
    constructor();
    /**
     * * Add a new pluralization rule.
     * @param rule Pattern to match singular words.
     * @param replacement Replacement pattern for plural form.
     * @example
     * pluralizer.addPluralRule(/(quiz)$/i, '$1zes');
     */
    addPluralRule(rule: RegExp, replacement: string): void;
    /**
     * * Add a new singularization rule.
     * @param rule Pattern to match plural words.
     * @param replacement Replacement pattern for singular form.
     * @example
     * pluralizer.addSingularRule(/(matr)ices$/i, '$1ix');
     */
    addSingularRule(rule: RegExp, replacement: string): void;
    /**
     * * Add a word or pattern that should never change between singular and plural.
     * @param word A word or regex pattern.
     * @example
     * pluralizer.addUncountable('fish');
     * pluralizer.addUncountable(/pok[eé]mon$/i);
     */
    addUncountable(word: string | RegExp): void;
    /**
     * * Add a custom irregular form.
     * @param single Singular word.
     * @param plural Plural word.
     * @example
     * pluralizer.addIrregular('person', 'people');
     */
    addIrregular(single: string, plural: string): void;
    /**
     * * Get the proper singular or plural form based on optional count.
     * @param word Target word to pluralize or singularize.
     * @param options Optional count and inclusive formatting.
     * @returns The transformed word.
     * @example
     * pluralizer.pluralize('category', { count: 3 }); // "categories"
     * pluralizer.pluralize('child', { count: 1, inclusive: true }); // "1 child"
     */
    pluralize(word: string, options?: PluralizeOptions): string;
    /**
     * * Convert a word to its plural form.
     * @param word Singular form of the word.
     * @returns Plural form of the word.
     * @example
     * pluralizer.toPlural('analysis'); // "analyses"
     */
    toPlural(word: string): string;
    /**
     * * Convert a word to its singular form.
     * @param word Plural form of the word.
     * @returns Singular form of the word.
     * @example
     * pluralizer.toSingular('geese'); // "goose"
     */
    toSingular(word: string): string;
    /**
     * * Check if a given word is plural.
     * @param word Word to check.
     * @returns `true` if the word is plural, otherwise `false`.
     * @remarks Always returns `true` for uncountable nouns.
     * @example
     * pluralizer.isPlural('children'); // true
     * pluralizer.isPlural('water'); // true
     */
    isPlural(word: string): boolean;
    /**
     * * Check if a given word is singular.
     * @param word Word to check.
     * @returns True if the word is singular, otherwise false.
     * @remarks Always returns `true` for uncountable nouns.
     * @example
     * pluralizer.isSingular('child'); // true
     * pluralizer.isPlural('water'); // true
     */
    isSingular(word: string): boolean;
}
/**
 * Default shared instance of {@link https://nhb-toolbox.vercel.app/docs/classes/Pluralizer Pluralizer}.
 *
 * - _Use this when you don’t need multiple configurations._
 * - _It comes preloaded with standard pluralization rules, irregular forms, and uncountable nouns._
 *
 * @remarks For simpler pluralization (plural with only 's'), please refer to {@link https://nhb-toolbox.vercel.app/docs/utilities/string/formatUnitWithPlural formatUnitWithPlural} instead.
 *
 * * Handles English word pluralization and singularization with support for irregular forms and uncountable nouns.
 *
 * - Provides methods to convert words between singular and plural forms, check if a word is plural or singular, and manage custom pluralization rules.
 * - Supports adding custom pluralization and singularization rules, as well as uncountable nouns.
 * - Automatically handles common irregular forms like "child" to "children"
 * - Automatically loads common irregular forms and uncountable nouns.
 * - Supports options for count-based pluralization, allowing for inclusive formatting.
 * - This is useful for applications that need to handle natural language processing, such as chatbots, content management systems, or any text processing tasks that require accurate pluralization.
 * @example
 * import { pluralizer } from 'nhb-toolbox';
 *
 * pluralizer.pluralize('child'); // "children"
 * pluralizer.toSingular('geese'); // "goose"
 * pluralizer.isPlural('fish'); // false (uncountable)
 */
export declare const pluralizer: Pluralizer;
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