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/*---------------------------------------------------------------------------------------------
filters.ts
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { CharCode } from './charCode.js';
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import { LRUCache } from './map.js';
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import { getKoreanAltChars } from './naturalLanguage/korean.js';
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import { tryNormalizeToBase } from './normalization.js';
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import * as strings from './strings.js';
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export interface IFilter {
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// Returns null if word doesn't match.
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(word: string, wordToMatchAgainst: string): IMatch[] | null;
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}
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export interface IMatch {
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start: number;
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end: number;
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}
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// Combined filters
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/**
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* @returns A filter which combines the provided set
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* of filters with an or. The *first* filters that
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* matches defined the return value of the returned
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* filter.
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*/
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export function or(...filter: IFilter[]): IFilter {
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return function (word: string, wordToMatchAgainst: string): IMatch[] | null {
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for (let i = 0, len = filter.length; i < len; i++) {
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const match = filter[i](word, wordToMatchAgainst);