Adds a CSV response method to expressjs applications.
npm install csv-expressA CSV response module for Express. This is an up-to-date fork of express-csv that merges outstanding pull requests.
```bash``
npm install csv-express
#### res.csv(data [, csvHeaders] [, responseHeaders] [, statusCode])
+ data (required): an array of arrays or objects
+ csvHeaders (optional): a Boolean for returning headers on the output CSV file. Default is false.
+ responseHeaders (optional): object containing custom HTTP response headers
+ statusCode (optional): a custom HTTP response status code. Default is 200.
.#### #preventCast
Prevent Excels type casting, default is
false.#### #ignoreNullOrUndefined
Treat
null and undefined values as empty strings in the output, default is true.Usage
Example:
``javascript
var express = require('express')
var csv = require('csv-express')
var app = express()// Basic
app.get('/', function(req, res) {
res.csv([
["a", "b", "c"]
, ["d", "e", "f"]
])
})
// Add headers
app.get('/headers', function(req, res) {
res.csv([
{"a": 1, "b": 2, "c": 3},
{"a": 4, "b": 5, "c": 6}
], true)
})
// Add response headers and status code (will throw a 500 error code)
app.get('/all-params', function(req, res) {
res.csv([
{"a": 1, "b": 2, "c": 3},
{"a": 4, "b": 5, "c": 6}
], true, {
"Access-Control-Allow-Origin": "*"
}, 500)
})
app.listen(3000)
``You can also pass an array of objects and optionally return a header row.
Useful when working with the results from database queries using node-mysql or node-postgres.
javascript
res.csv([
{"name": "Sam", "age": 1},
{"name": "Mary": "age": 2}
], true) => name, age
Sam, 1
Mary, 2
```The MIT License
Copyright (c) 2012 Seiya Konno
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
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permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
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All modifications from the original are CC0.