{"id":10863,"date":"2022-09-25T06:18:12","date_gmt":"2022-09-25T00:48:12","guid":{"rendered":"http:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/"},"modified":"2022-09-25T06:18:12","modified_gmt":"2022-09-25T00:48:12","slug":"solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/","title":{"rendered":"[Solved] how to make a while loop in nodejs to be a series"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-31824431\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"31824431\" data-parentid=\"31823925\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>I (very quickly, so it probably has errors) rewrote this using <code>async.forEachOfSeries<\/code> to iterate over your attachments.  I used <code>async.forEachOf<\/code> for the database writes as I don&#8217;t see a need for them to be in series.<\/p>\n<pre><code>var async = require('async');\nif (issue.fields.attachment != '') {\n    async.forEachOfSeries(issue.fields.attachment,function(attachment,r,callback){\n        if (typeof issue.fields.attachment[r].content != \"undefined\") {\n            var url = issue.fields.attachment[r].content;\n            var ws = fs.createWriteStream('file.xlsx');\n            request({ method: \"GET\", \"url\": url, \"headers\": { \"Content-Type\": \"application\/json\" }\n            }, function(err, data, body) {\n                console.log('file downloading');\n            }).pipe(ws);\n            ws.on('finish',function() {\n                console.log('file downloaded');\n                parseXlsx('file.xlsx', function (err, data) {\n                    var i, j, k = 1, l = 0, m = 0, n = 0;\n                    for (i = 0; i &lt; 15; i++) {\n                        for (j = 0; j &lt; 15; j++) {\n                            if (regex.test(data[i][j])) {\n                                k = 0;\n                                break;\n                            }\n                        }\n                        if (k == 0)\n                            break;\n                    }\n                    for (k = 0; k &lt; 15; k++) {\n                        if (regex1.test(data[i][k])) {\n                            break;\n                        }\n                    }\n                    for (l = 0; l &lt; 15; l++) {\n                        if (regex2.test(data[i][l])) {\n                            break;\n                        }\n                    }\n                    for (m = 0; m &lt; 15; m++) {\n                        if (regex2.test(data[i][m])) {\n                            break;\n                        }\n                    }\n                    i = i + 1;\n                    console.log('parseXlsx completed');\n                    async.forEachOf(data,function(row,i,_callback){\n                        if(i===0)return _callback();\n                        if (data[i][j] != '' || data[i][k] != '' || data[i][l] != '') {\n                            var query = connection.query('insert into IP values (\"' + data[i][j] + '\",\"' + data[i][k] + '\",\"' + data[i][l] + '\",\"' + data[i][m] + '\")',\n                                function (error, results, fields) {\n                                    if(error){\n                                        \/\/Decide if you want to stop writing rows if one insert fails, if so uncomment next line\n                                        \/\/return _callback(error);\n                                    }\n                                    return _callback();\n                                });\n                        }\n                    },function(err){\n                        if(err){\n                            \/\/decide if you want to stop the whole process if the database errored, if so, uncomment next line\n                            \/\/return callback(err);\n                        }\n                        callback();\n                    });\n                });\n            });\n            ws.on('error',function(err) {\n                \/\/There was an error writing the file to disk, but I assume you want to continue anyway so I'm calling callback()\n                \/\/If you want to stop processing, call callback(new Error('Failed writing to disk'));\n                return callback();\n            });\n        }\n    });\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved how to make a while loop in nodejs to be a series <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I (very quickly, so it probably has errors) rewrote this using async.forEachOfSeries to iterate over your attachments. I used async.forEachOf for the database writes as I don&#8217;t see a need for them to be in series. var async = require(&#8216;async&#8217;); if (issue.fields.attachment != &#8221;) { async.forEachOfSeries(issue.fields.attachment,function(attachment,r,callback){ if (typeof issue.fields.attachment[r].content != &#8220;undefined&#8221;) { var url &#8230; <a title=\"[Solved] how to make a while loop in nodejs to be a series\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/\" aria-label=\"More on [Solved] how to make a while loop in nodejs to be a series\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[400,340,902,2982,2983],"class_list":["post-10863","post","type-post","status-publish","format-standard","hentry","category-solved","tag-excel","tag-mysql","tag-node-js","tag-promise","tag-synchronous"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] how to make a while loop in nodejs to be a series - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] how to make a while loop in nodejs to be a series - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I (very quickly, so it probably has errors) rewrote this using async.forEachOfSeries to iterate over your attachments. I used async.forEachOf for the database writes as I don&#8217;t see a need for them to be in series. var async = require(&#039;async&#039;); if (issue.fields.attachment != &#039;&#039;) { async.forEachOfSeries(issue.fields.attachment,function(attachment,r,callback){ if (typeof issue.fields.attachment[r].content != &quot;undefined&quot;) { var url ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/\" \/>\n<meta property=\"og:site_name\" content=\"JassWeb\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-25T00:48:12+00:00\" \/>\n<meta name=\"author\" content=\"Kirat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kirat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/\"},\"author\":{\"name\":\"Kirat\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\"},\"headline\":\"[Solved] how to make a while loop in nodejs to be a series\",\"datePublished\":\"2022-09-25T00:48:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/\"},\"wordCount\":63,\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"keywords\":[\"excel\",\"mysql\",\"node.js\",\"promise\",\"synchronous\"],\"articleSection\":[\"Solved\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/\",\"url\":\"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/\",\"name\":\"[Solved] how to make a while loop in nodejs to be a series - 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I used async.forEachOf for the database writes as I don&#8217;t see a need for them to be in series. var async = require('async'); if (issue.fields.attachment != '') { async.forEachOfSeries(issue.fields.attachment,function(attachment,r,callback){ if (typeof issue.fields.attachment[r].content != \"undefined\") { var url ... Read more","og_url":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/","og_site_name":"JassWeb","article_published_time":"2022-09-25T00:48:12+00:00","author":"Kirat","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Kirat","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/#article","isPartOf":{"@id":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/"},"author":{"name":"Kirat","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31"},"headline":"[Solved] how to make a while loop in nodejs to be a series","datePublished":"2022-09-25T00:48:12+00:00","mainEntityOfPage":{"@id":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/"},"wordCount":63,"publisher":{"@id":"https:\/\/jassweb.com\/solved\/#organization"},"keywords":["excel","mysql","node.js","promise","synchronous"],"articleSection":["Solved"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/","url":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/","name":"[Solved] how to make a while loop in nodejs to be a series - JassWeb","isPartOf":{"@id":"https:\/\/jassweb.com\/solved\/#website"},"datePublished":"2022-09-25T00:48:12+00:00","breadcrumb":{"@id":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/jassweb.com\/solved\/solved-how-to-make-a-while-loop-in-nodejs-to-be-a-series\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/jassweb.com\/solved\/"},{"@type":"ListItem","position":2,"name":"[Solved] how to make a while loop in nodejs to be a series"}]},{"@type":"WebSite","@id":"https:\/\/jassweb.com\/solved\/#website","url":"https:\/\/jassweb.com\/solved\/","name":"JassWeb","description":"Build High-quality Websites","publisher":{"@id":"https:\/\/jassweb.com\/solved\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/jassweb.com\/solved\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/jassweb.com\/solved\/#organization","name":"Jass Web","url":"https:\/\/jassweb.com\/solved\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/","url":"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png","contentUrl":"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png","width":693,"height":132,"caption":"Jass Web"},"image":{"@id":"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31","name":"Kirat","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/image\/","url":"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750","contentUrl":"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750","caption":"Kirat"},"sameAs":["http:\/\/jassweb.com"],"url":"https:\/\/jassweb.com\/solved\/author\/jaspritsinghghumangmail-com\/"}]}},"_links":{"self":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts\/10863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/comments?post=10863"}],"version-history":[{"count":0,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts\/10863\/revisions"}],"wp:attachment":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/media?parent=10863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/categories?post=10863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/tags?post=10863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}