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angular-dsv
Advanced tools
delimter-seperated-values
A angularjs service for reading tabular data from text files; for example tab-delimited and comma-delimited. angular-dsv combines the convenience of the d3 csv/tsv module with angular's $http service. angular-dsv is RFC4180-compliant and dependent only on angular itself.
bower install angular-dsv
or bower install Hypercubed/angular-dsv
angular-dsv.js
into your app. By default at bower_components/angular-dsv/angular-dsv.js
.hc.dsv
as a module dependency to your app.The dsv service takes a single argument and returns a new $http
-like service for handling text files of delimiter
-seperated values. dsv.tsv
and dsv.csv
are shortcuts for dsv('\t')
and dsv(',')
respectively.
The dsv.tsv
service is an example of 'delimiter'-seperated value interface for tab-delimited tables. It is service which takes two arguments: a configuration object like that expected by angular's $http, and an optional accessor function for transforming each row of the tabular data file. Like $http
dsv.tsv
returns a promise:
dsv.tsv({method: 'GET', url: '/someUrl'}, function(d) { return {key: d.key, value: +d.value}; })
.then(function(response) {
console.log(response.data);
// this callback will be called asynchronously
// when the response is available
})
.catch(function(err) {
// called asynchronously if an error occurs
// or server returns response with an error status.
});
The data value is array of objects representing the parsed rows returned from the specified url. The first row of the returned data is used as column names; these column names become the attributes on the returned objects. For example if the http request returns:
Year Make Model Length
1997 Ford E350 2.34
2000 Mercury Cougar 2.38
The resulting JavaScript array is:
[
{"Year": "1997", "Make": "Ford", "Model": "E350", "Length": "2.34"},
{"Year": "2000", "Make": "Mercury", "Model": "Cougar", "Length": "2.38"}
]
Like $http
dsv.tsv
provides a shortcut method for HTTP GET:
dsv.tsv.get('/someUrl', accessorFunction).then(successCallback);
Similar to the dsv.tsv.get
shortcut except the returned value is an array of arrays and the header line is treated as a standard row. For example if the http request returns:
Year Make Model Length
1997 Ford E350 2.34
2000 Mercury Cougar 2.38
The resulting JavaScript array is:
[
["Year", "Make", "Model", "Length"],
["1997", "Ford", "E350", "2.34"],
["2000", "Mercury", "Cougar", "2.38"]
]
Like dsv.tsv
except for comma-seperated-values.
Install npm and bower dependencies:
npm install
bower install
npm test
Previously portions of this code were taken from mbostock's d3 csv/tsv module. Now using d3-dsv.
MIT
FAQs
delimter-seperated-values
We found that angular-dsv demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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