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)