Amazon Reviews Crawler

Crawls product reviews from Amazon.

Installation

Via npm:

npm install amazon-reviews-crawler

Or Yarn:

yarn add amazon-reviews-crawler

Usage

Load the module

var reviewsCrawler = require('amazon-reviews-crawler')

Get reviews by a product ASIN

reviewsCrawler('0062472100')
    .then(function(results){
        console.log(results)
    })
    .catch(function(err){
        console.error(err)
    })

This will return an object containing the title of the product and an array of review data.

Example of a return:

{
    title: "Product Name",
    reviews: [
        {
            id: "R16DIYH5RRPEWK",
            title: "Review Title",
            rating: 5,
            text: "The product review body text.",
            author: "Reviewer Name"
            date: "October 26, 2016",
            link: "https://www.amazon.com/gp/customer-reviews/R16DIYH5RRPEWK/ref=cm_cr_arp_d_rvw_ttl?ie=UTF8&ASIN=0062472100"
        }
    ]
}

Options

Options can also be provided to change the user agent string, review page, or elements being crawled.

Example:

reviewsCrawler('0062472100', {
        page: 'https://www.amazon.com/product-reviews/{{asin}}',
        userAgent: 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0',
        elements: {
            // Searches whole page
            productTitle: '.product-title',
            reviewBlock: '.review',
 
            // Searches within elements.reviewBlock
            link: 'a',
            title: '.review-title',
            rating: '.review-rating',
            ratingPattern: 'a-star-',
            text: '.review-text',
            author: '.review-byline a',
            date: '.review-date'
        },
 
        // Stops crawling when it hits a particular review ID
        // Useful for only crawling new reviews
        stopAtReviewId: false
    })
    .then(console.log)
    .catch(console.error)