TypeError: object is not a function when using csv module

Question

I am trying to execute a sample script that reads a CSV file. I copied the sample from this page:

http://www.adaltas.com/projects/node-csv/

I get this error:

csv()
^
TypeError: object is not a function
    at Object.<anonymous> (/Users/paulchernoch/Documents/Chris Leung/read-csv-test.js:8:1)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:906:3

The sample code (modified to use my file names):

var csv = require('csv');
var fs = require('fs');

csv()
.from.stream(fs.createReadStream(__dirname+'/f1dcca4e8c5f76b3.csv'))
.to.path(__dirname+'/test.txt')
.transform( function(row){
  return row;
})
.on('record', function(row,index){
  console.log('#'+index+' ' /* +JSON.stringify(row) */);
})
.on('end', function(count){
  console.log('Number of lines: '+count);
})
.on('error', function(error){
  console.log(error.message);
});

I invoked the script from the command line like this:

> node read-csv-test.js

To verify whether I had the proper CSV module installed, I used the node package manager:

$ npm list
/Users/paulchernoch
├─┬ [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ └── [email protected]
├─┬ [email protected]
│ ├─┬ [email protected]
│ │ ├── [email protected]
│ │ └── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├─┬ [email protected]
│ │ └── [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├─┬ [email protected]
│ │ ├── [email protected]
│ │ └── [email protected]
│ ├── [email protected]
│ ├─┬ [email protected]
│ │ └── [email protected]
│ └── [email protected]
├─┬ [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ ├─┬ [email protected]
│ │ └─┬ [email protected]
│ │   ├── [email protected]
│ │   ├─┬ [email protected]
│ │   │ └── [email protected]
│ │   ├─┬ [email protected]
│ │   │ └── [email protected]
│ │   └── [email protected]
│ ├── [email protected]
│ ├─┬ [email protected]
│ │ └─┬ [email protected]
│ │   └─┬ [email protected]
│ │     ├── [email protected]
│ │     └── [email protected]
│ ├─┬ [email protected]
│ │ ├─┬ [email protected]
│ │ │ ├── [email protected]
│ │ │ └── [email protected]
│ │ ├─┬ [email protected]
│ │ │ └── [email protected]
│ │ └─┬ [email protected]
│ │   ├─┬ [email protected]
│ │   │ └── [email protected]
│ │   └─┬ [email protected]
│ │     └── [email protected]
│ └─┬ [email protected]
│   └─┬ [email protected]
│     ├── [email protected]
│     ├─┬ [email protected]
│     │ └── [email protected]
│     ├─┬ [email protected]
│     │ └── [email protected]
│     └── [email protected]
├─┬ [email protected]
│ └── [email protected]
└─┬ [email protected]
  ├── [email protected]
  ├── [email protected]
  ├─┬ [email protected]
  │ ├── [email protected]
  │ └─┬ [email protected]
  │   ├── [email protected]
  │   └── [email protected]
  ├── [email protected]
  └── [email protected]

What am I missing? I am running MAC OS X 10.6.8. I installed node using Homebrew. I have successfully used node and javascript on Windows, but this is my very first attempt to use node on a MAC. (The ultimate goal is to parse CSV files and load them into MariaDb.)

That documentation is for an older version than you have installed: "Important: this documentation covers the current version (0.2.x)" You can find updated examples in the project's README. — Jonathan Lonowski
– Jonathan Lonowski, Commented May 27, 2014 at 20:50

Aaron Dufour · Accepted Answer · 2014-05-27 20:54:29Z

11

Its not clear where you got your sample code, but it is probably no longer valid - a new version of the module (0.4) was released recently with a very different API. You can either check out the new documentation at the project's GitHub page or install an older version by:

npm remove csv
npm install [email protected]

0.3.7 has the API you appear to be working against, but you can of course go farther back if necessary.

answered May 27, 2014 at 20:54

Aaron Dufour

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2 Comments

Shoroko Over a year ago

Thank you. I will check out the GitHub page. I was studying docs at adaltas.com, as in the URL link in my question, which must be out of date.

Venning Over a year ago

@Aaron Dufour is correct. They just changed the API last week, but not the docs yet. There are also a few bugs in the 0.4 API, so I would suggest using the old version for a while.

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