add search.js

+const rp = require("request-promise");
+const cheerio = require("cheerio");
+const Entities = require('html-entities').XmlEntities;
+const machineRead = require('./machineRead');
+
+const entities = new Entities();
+
+const keywordChecking = ( keywordText, $, elem ) => {
+    let tempCheck = false;
+    keywordText.split( ' ' ).forEach( ( Word ) => {
+        if( $( elem ).text().indexOf( Word ) !== -1 ) {
+            tempCheck = true;
+        } 
+    });
+
+    if( tempCheck ) {
+        return true;
+    }
+    return false;
+}
+
+const naver = ( searchResult, $, elem , defaultURL ) => {
+    searchResult.title = $( elem ).parent().attr( "title" );
+    searchResult.passage = entities.decode( $( elem ).parent().parent().parent().text()).trim(),
+    searchResult.url = $( elem ).parent().attr( "href" ); 
+    
+    if( searchResult.url === undefined ) {
+        searchResult.url = defaultURL;
+    }
+}
+
+const searchToResult = (searchResult, result, keywordCheck) => {
+    searchResult.passage = searchResult.passage.replace( /(http(s)?:\/\/)([a-z0-9\w]+\.*)+[a-z0-9]{2,4}/gi, ' ' ).replace( /\s{1,}|\s{1,}|\r\n|\r|\n/g, ' ' ).trim();
+    
+    if( searchResult.title === undefined || !searchResult.title.length ) {
+        searchResult.title = searchResult.passage.split(' ').slice( 0, 3 ).toString().replace(/,/g,' ') + "..";
+    } else {
+        searchResult.title = searchResult.title.replace( /(http(s)?:\/\/)([a-z0-9\w]+\.*)+[a-z0-9]{2,4}/gi, ' ' ).replace( /\s{1,}|\s{1,}|\r\n|\r|\n/g, ' ' ).trim();
+        searchResult.passage = searchResult.passage.replace( searchResult.title, '' );
+    }
+    
+    if( !result.length ) {
+         if( keywordCheck ) {
+            result.push( searchResult );
+        }     
+    } else if( keywordCheck ) {
+}}
+
+const getHtmlMain = ( main, keywordText, html, defaultURL, findSearchResult ) => {
+    const $ = cheerio.load( html );
+    let result = [];
+    $( main ).each( (i, elem ) => {
+        let keywordCheck = keywordChecking( keywordText, $, elem );
+        if( keywordCheck ) {
+            let searchResult = {};
+            findSearchResult( searchResult, $, elem , defaultURL );
+            searchToResult( searchResult, result, keywordCheck );     
+        }
+    });
+    return result;
+}
+
+const search = {};
+
+search.naver = ( keywordText ) => {
+    return new Promise( async ( resolve, reject ) => {
+        let naverMain = "#main_pack strong",
+            result = [],
+            naverURL = "https://search.naver.com/search.naver?query=" + encodeURI( keywordText );
+        rp( { 
+            "uri" : naverURL, 
+        } )
+        .then( ( html ) => { 
+            result = getHtmlMain( naverMain, keywordText, html, naverURL, naver );
+            resolve( result );
+        })      
+    })
+}
+
+
+module.exports = search
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