2018-08-19 13:17:59 +00:00
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import * as plugins from './smartfuzzy.plugins';
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export let standardExport = 'Hi there! :) This is an exported string';
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2018-08-19 18:52:52 +00:00
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export type TDictionaryMap = { [key: string]: number };
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2018-08-19 13:17:59 +00:00
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export class Smartfuzzy {
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dictionary: string[];
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constructor(dictionary: string[]) {
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this.dictionary = dictionary;
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}
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/**
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* adds words to the dictionary
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* @param payloadArg
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*/
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addToDictionary(payloadArg: string | string[]) {
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if (Array.isArray(payloadArg)) {
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this.dictionary = this.dictionary.concat(payloadArg);
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} else {
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this.dictionary.push(payloadArg);
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}
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}
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/**
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* returns the closest match for a given string
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* @param stringArg
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*/
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2018-08-19 18:52:52 +00:00
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getChangeScoreForString(stringArg): TDictionaryMap {
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const dictionaryMap: TDictionaryMap = {};
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2018-08-19 13:17:59 +00:00
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for (const wordArg of this.dictionary) {
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dictionaryMap[wordArg] = plugins.leven(stringArg, wordArg);
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}
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2018-08-19 18:52:52 +00:00
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return dictionaryMap;
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2018-08-19 13:17:59 +00:00
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}
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2018-08-19 22:49:01 +00:00
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getClosestMatchForString(stringArg: string): string {
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2018-08-19 13:17:59 +00:00
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const fuseDictionary: { name: string }[] = [];
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for (const wordArg of this.dictionary) {
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fuseDictionary.push({
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name: wordArg
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});
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}
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2018-08-19 18:52:52 +00:00
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const fuseOptions = {
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2018-08-19 13:17:59 +00:00
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shouldSort: true,
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threshold: 0.6,
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location: 0,
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distance: 100,
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maxPatternLength: 32,
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minMatchCharLength: 1,
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keys: ['name']
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};
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2018-08-19 18:52:52 +00:00
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const fuse = new plugins.fuseJs(fuseDictionary, fuseOptions);
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2018-08-19 22:49:01 +00:00
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const fuzzyResult = fuse.search(stringArg);
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let closestMatch: string = null;
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if(fuzzyResult.length > 0) {
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closestMatch = fuzzyResult[0].name;
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}
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return closestMatch;
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2018-08-19 13:17:59 +00:00
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}
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}
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