90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
import React from 'react';
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import AutocompleteProvider from './AutocompleteProvider';
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import Q from 'q';
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import 'whatwg-fetch';
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import {TextualCompletion} from './Components';
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const DDG_REGEX = /\/ddg\s+(.+)$/g;
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const REFERRER = 'vector';
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let instance = null;
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export default class DuckDuckGoProvider extends AutocompleteProvider {
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constructor() {
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super(DDG_REGEX);
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}
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static getQueryUri(query: String) {
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return `http://api.duckduckgo.com/?q=${encodeURIComponent(query)}`
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+ `&format=json&no_redirect=1&no_html=1&t=${encodeURIComponent(REFERRER)}`;
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}
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getCompletions(query: string, selection: {start: number, end: number}) {
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let {command, range} = this.getCurrentCommand(query, selection);
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if (!query || !command) {
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return Q.when([]);
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}
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return fetch(DuckDuckGoProvider.getQueryUri(command[1]), {
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method: 'GET',
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})
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.then(response => response.json())
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.then(json => {
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let results = json.Results.map(result => {
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return {
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completion: result.Text,
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component: (
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<TextualCompletion
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title={result.Text}
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description={result.Result} />
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),
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range,
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};
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});
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if (json.Answer) {
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results.unshift({
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completion: json.Answer,
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component: (
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<TextualCompletion
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title={json.Answer}
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description={json.AnswerType} />
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),
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range,
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});
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}
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if (json.RelatedTopics && json.RelatedTopics.length > 0) {
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results.unshift({
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completion: json.RelatedTopics[0].Text,
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component: (
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<TextualCompletion
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title={json.RelatedTopics[0].Text} />
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),
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range,
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});
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}
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if (json.AbstractText) {
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results.unshift({
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completion: json.AbstractText,
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component: (
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<TextualCompletion
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title={json.AbstractText} />
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),
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range,
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});
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}
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return results;
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});
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}
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getName() {
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return 'Results from DuckDuckGo';
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}
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static getInstance(): DuckDuckGoProvider {
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if (instance == null) {
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instance = new DuckDuckGoProvider();
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}
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return instance;
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}
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}
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