Created
February 19, 2016 17:32
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Basic DRAE scrapper , need refactor to manage redirections.
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| var request = require( "request" ); | |
| var cheerio = require( "cheerio" ); | |
| var async = require( "async" ); | |
| var getHtml = function( word , callback ) { | |
| var BASE_URL = "http://dle.rae.es/srv/search"; | |
| request( { | |
| uri : BASE_URL , | |
| qs : { | |
| w : word , | |
| m : 30 | |
| } | |
| } , function( err , response , html ) { | |
| if( err ) { | |
| return callback( err ); | |
| } else { | |
| return callback( null , html ); | |
| } | |
| } ) | |
| }; | |
| var crawlHtml = async.asyncify( function( html ) { | |
| var $ = cheerio.load( html ); | |
| var resultados = $( "p" ); | |
| var results = []; | |
| var pattern = /^j.*/; | |
| resultados.each( function( i , e ) { | |
| var element = $( this ); | |
| var c = element.attr( "class" ) | |
| if( pattern.test( c ) ) { | |
| var s = ""; | |
| element.children().each( function( ix , ex ) { | |
| s += " " + $( this ).text(); | |
| } ); | |
| results.push( s ); | |
| } | |
| } ); | |
| return results; | |
| } ); | |
| function getWordReference( word , callback ) { | |
| async.waterfall( [ | |
| async.constant( word ) , | |
| getHtml , | |
| crawlHtml | |
| ] , function( err , result ) { | |
| if( err ) { | |
| return callback( err ); | |
| } | |
| return callback( null , result ); | |
| } ) | |
| } | |
| getWordReference( "cama" , function( err , result ) { | |
| if( err ) { | |
| console.log( err ); | |
| } else { | |
| console.log( result ); | |
| } | |
| } ) | |
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