csv to json converter

csvToJson/CSVToJSON.js

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+var fs = require('fs')
+var path = require('path')
+
+function lineToJSON (headings, lines) {
+  var result = {};
+  for (var i = 0; i < headings.length; i++) {
+      // Remove vestigal double quotes from beginning
+      // and end of line strings
+      var line = lines[i].replace(/^"|"$/g, '')
+      result[headings[i]] = line;
+    }
+    return result;
+}
+
+function convert (filepath) {
+  var fpath = path.join(__dirname, filepath)
+  var jsonArr = [];
+  var file = fs.readFileSync(fpath, 'utf8')
+
+  // Replace newlines to enforce the same style for newline
+  // characters across operating systems.
+  var lines = file.replace(/(\r\n|\r|\n)/g, '\n')
+        .split(/\r?\n/g);
+  var headings = lines.shift();
+  lines.forEach(function(line) {
+      if (line) {
+          // positive lookahead regex to avoid splitting on commas
+          // that appear within double-quotes
+          jsonArr.push(lineToJSON(headings.split(/,(?=(?:(?:[^"]*"){2})*[^"]*$)/),
+                                      line.split(/,(?=(?:(?:[^"]*"){2})*[^"]*$)/)))
+      }
+  });
+  return jsonArr
+}
+module.exports = convert

csvToJson/sampleData.csv

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+Type of Experience,Little/No Experience,Some Experience,Very Familiar
+Writing software in any programming language,1,5,4
+Frontend Web Development,4,3,3
+Server-side (“backend”) Web Development,4,4,2
+"Using Git to track changes and share code (add, commit, push, pull)",2,5,3

csvToJson/tests.js

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+var csvToJson = require('./CSVToJSON');
+var test = require('tape');
+
+expected = [
+  {
+    "Type of Experience": "Writing software in any programming language",
+    "Little/No Experience": 1,
+    "Some Experience": 5,
+    "Very Familiar": 4
+  },
+  {
+    "Type of Experience": "Frontend Web Development",
+    "Little/No Experience": 4,
+    "Some Experience": 3,
+    "Very Familiar": 3
+  },
+  {
+    "Type of Experience": "Server-side (“backend”) Web Development",
+    "Little/No Experience": 4,
+    "Some Experience": 4,
+    "Very Familiar": 2
+  },
+  {
+    "Type of Experience": "Using Git to track changes and share code (add, commit, push, pull)",
+    "Little/No Experience": 2,
+    "Some Experience": 5,
+    "Very Familiar": 3
+  }
+]
+
+test('csv to json', function(t) {
+	t.plan(1);
+	t.equal(csvToJson('sampleData.csv'), expected);
+})