LuisDriver

Table of Contents

  1. calamar.js
  2. contextSet.js
  3. dbLocalStorage.js
  4. facebook.js
  5. facebookGraphHelpers.js
  6. facebookWebhookSetup.js
  7. index.js
  8. luis.js
  9. router.js
  10. s3ContextSet.js
  11. s3Storage.js
  12. wit.js

A wrapper class for the LUIS Webservice (https://www.luis.ai/ ).

import request from 'request-promise';

const previewBaseURL = 'https://api.projectoxford.ai';
const previewApiPath = '/luis/v1/application/preview';
const previewURL = previewBaseURL + previewApiPath;

class LuisDriver {

Constructor

Parameters

    constructor(options) {
        const {
            id,
            subscriptionKey
        } = options;

        if (!id || !subscriptionKey) {
            throw new Error(
                'LuisDriver could not be instantiated. Missing required options.'
            );
        }

        this.brainURL = `${previewURL}?id=${id}&subscription-key=${subscriptionKey}`;
    }

Methods

query

Parameters
return

Returns a Promise that returns the parsed object from the webservice.

    query(text = '') {
        const url = `${this.brainURL}&q=${encodeURIComponent(text)}`;
        return request(url).then(body => JSON.parse(body));
    }
}

Examples

const options = {
    id: 'YOUR_LUIS_ID',
    subscriptionKey: 'YOUR_SUBSCRIPTION_KEY'
};
const luis = new LuisDriver(options);
luis.query('Hi')
    .then(result => {
        const {
            intent,
            score
        } = result.topScoringIntent;
        console.log(result.query); // 'Hi'
        console.log(intent); // 'None'
        console.log(score); // 0.9042053
    });

See test/luis.js for more examples.

export { previewBaseURL, previewApiPath, LuisDriver };
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