66 lines
1.7 KiB
TypeScript
66 lines
1.7 KiB
TypeScript
import * as plugins from './smartfuzzy.plugins';
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/**
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* an article search that searches articles in a weighted manner
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*/
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export class ArticleSearch {
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public articles: plugins.tsclass.content.IArticle[] = [];
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public needsUpdate: boolean = false;
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private readyDeferred = plugins.smartpromise.defer();
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private fuse: plugins.fuseJs<plugins.tsclass.content.IArticle>;
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constructor(articleArrayArg?: plugins.tsclass.content.IArticle[]) {
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this.fuse = new plugins.fuseJs(this.articles);
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this.readyDeferred.resolve();
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if (articleArrayArg) {
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for (const article of articleArrayArg) {
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this.addArticle(article);
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}
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}
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}
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/**
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* allows adding an article
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*/
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addArticle(articleArg: plugins.tsclass.content.IArticle) {
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this.articles.push(articleArg);
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this.needsUpdate = true;
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}
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/**
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* allows searching an article
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*/
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public async search(searchStringArg: string) {
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if (this.needsUpdate) {
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const oldDeferred = this.readyDeferred;
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this.readyDeferred = plugins.smartpromise.defer();
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this.needsUpdate = false;
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if (oldDeferred.status !== 'fulfilled') {
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this.readyDeferred.promise.then(oldDeferred.resolve);
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}
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this.fuse = new plugins.fuseJs(this.articles, {
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keys: [
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{
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name: 'title',
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weight: 3,
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},
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{
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name: 'tags',
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weight: 2,
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},
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{
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name: 'content',
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weight: 1,
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},
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],
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includeMatches: true
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});
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this.readyDeferred.resolve();
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} else {
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await this.readyDeferred.promise;
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}
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return this.fuse.search(searchStringArg);
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}
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}
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