fuzzy-rater/build/fuzzyRate/FuzzyMultiWordMatcher.d.ts

Tooling for fuzzily rating text according to some query

import { IFuzzyNodeData } from "./_types/IFuzzyNodeData";
import { IFuzzyTransitionData } from "./_types/IFuzzyTransitionData";
import { IFuzzyWordMatch } from "./_types/IFuzzyWordMatch";
import { NFADFA } from "../DFA/NFADFA/NFADFA";
import { INFADFATrace } from "../DFA/NFADFA/_types/INFADFATrace";
/**
 * A fuzzy word matcher that can be used to find a word in a number of items.
 * Initial setup time is relatively long, but matching per string happens in linear time.
 */
export declare class FuzzyMultiWordMatcher {
    protected NFA: NFADFA<IFuzzyNodeData, IFuzzyTransitionData, IFuzzyNodeData>;
    /**
     * Constructs a new fuzzy word rater
     * @param word The word to look for
     * @param maxDistance The maximum error
     */
    constructor(word: string, maxDistance: number);
    /**
     * Initializes the data structures used for rating
     * @param word The word to look for
     * @param maxDistance The maximal allowed distance
     */
    protected initialize(word: string, maxDistance: number): void;
    /**
     * Finds the best match in a set of NFA nodes
     * @param matches The nodes to find the best match in
     * @param getNode Retrieves the node data
     * @returns The best match
     */
    protected getBestMatch<M>(matches: M[], getNode: (data: M) => IFuzzyNodeData): M | undefined;
    /**
     * Retrieves the best match in the given text
     * @param text The text to find the query word in
     * @returns Whether the text matched, and the distance from the query word
     */
    getMatch(text: string): {
        endIndex: number;
        distance: number;
    }[];
    /**
     * Retrieves the best NFA trace given a DFA match
     * @param nfaDfaTrace The simplified NFA-DFA trace to obtain the best NFA trace in (text matches with lowest distance)
     * @returns The NFA trace
     */
    protected getBestTrace(nfaDfaTrace: INFADFATrace<IFuzzyNodeData, IFuzzyTransitionData, IFuzzyNodeData>): {
        fromNode: IFuzzyNodeData;
        transition: IFuzzyTransitionData;
    }[] | undefined;
    /**
     * Retrieves the best match in the given text, and data of how to obtain it
     * @param text The text to find the query word in
     * @returns The distances from the query word, for each match (no distances = no matches), and how the text differed
     */
    getMatchData(text: string): {
        distances: number[];
        alterations: IFuzzyWordMatch[];
    };
}
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