href-replace

For each a element in a string of HTML, replace the href attribute with a new value provided by the replacer function.

Usage

npm install href-replace

API Documentation

hrefReplace(html, replacer[, options], done)

• html : A String containing the original HTML to transform

• replacer(href, callback): A Function to do the transforming. The function is passed the following arguments:

  • href: The original value for the href attribute.
  • callback(err, transformed): A callback Function which must be called with error (which can be null) and the new href value.

• options : An (optional) object specifying the following options:

  • titles: A Boolean specifying whether or not to set the a element's title attribute to the original href value. Default is true.

• done(err, html): A callback Function which will be called when all the transforms have been completed or when an error occurs. The done callback will be called with the following arguments:

  • err: The error returned by the replacer function at the time it occurred, or null if no error occured.
  • html: The new HTML with all the hrefs replaced.

Example

// Replace all URLs with Bit.ly shortened URLs.
var Bitly = require('bitly')
var hrefReplace = require('href-replace')

var bitly = new Bitly('YOUR_USERNAME', 'YOUR_API_KEY')
var html = '\
<ul>\
  <li><a href="http://google.com">Google</a></li>\
  <li><a href="https://github.com">Github</a></li>\
</ul>'

hrefReplace(html, function(href, callback) {
    bitly.shorten(href, function(err, response) {
        //console.log(response)
        if (err) callback(err)
        else callback(null, response.data.url)
    });
}, function(err, replaced) {
    if (err) console.error(err)
    else console.log(replaced)
});

See examples directory for more complete examples.

License

The MIT License (MIT) Copyright © 2015 Benjamin Barber

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 without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to 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.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.