parse and transform streaming html using css selectors
input html:
<table>
<tbody>blah blah blah</tbody>
<tr><td>there</td></tr>
<tr><td>it</td></tr>
<tr><td>is</td></tr>
</table>
var trumpet = require('trumpet');
var tr = trumpet();
tr.pipe(process.stdout);
var ws = tr.select('tbody').createWriteStream();
ws.end('<tr><td>rawr</td></tr>');
var fs = require('fs');
fs.createReadStream(__dirname + '/html/table.html').pipe(tr);
output:
<table>
<tbody><tr><td>rawr</td></tr></tbody>
<tr><td>there</td></tr>
<tr><td>it</td></tr>
<tr><td>is</td></tr>
</table>
input html:
<html>
<head>
<title>beep</title>
</head>
<body>
<div class="a">¡¡¡</div>
<div class="b">
<span>tacos</span>
<span> y </span>
<span>burritos</span>
</div>
<div class="a">!!!</div>
</body>
</html>
var trumpet = require('trumpet');
var tr = trumpet();
tr.selectAll('.b span', function (span) {
span.createReadStream().pipe(process.stdout);
});
var fs = require('fs');
fs.createReadStream(__dirname + '/html/read_all.html').pipe(tr);
output:
tacos y burritos
var trumpet = require('trumpet')
Create a new trumpet stream. This stream is readable and writable.
Pipe an html stream into tr and get back a transformed html stream.
Parse errors are emitted by tr in an 'error' event.
Return a result object elem for the first element matching selector.
Get a result object elem for every element matching selector.
When the selector for elem matches, query the case-insensitive attribute
called name with cb(value).
When the selector for elem matches, replace the case-insensitive attribute
called name with value.
If the attribute doesn't exist, it will be created in the output stream.
Create a new readable stream with the inner html content under elem.
Create a new write stream to replace the inner html content under elem.
Create a new readable writable stream that outputs the content under elem and
replaces the content with the data written to it.
Presently these css selectors work:
With npm do:
npm install trumpet
MIT
FAQs
parse and transform streaming html using css selectors
The npm package trumpet receives a total of 6,717 weekly downloads. As such, trumpet popularity was classified as popular.
We found that trumpet 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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