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.
When the selector for elem matches, remove the attribute called name if it
exists.
Create a new readable stream with the inner html content under elem.
To use the outer html content instead of the inner, set opts.outer to true.
Create a new write stream to replace the inner html content under elem.
To use the outer html content instead of the inner, set opts.outer to true.
Create a new readable writable stream that outputs the content under elem and
replaces the content with the data written to it.
To use the outer html content instead of the inner, set opts.outer to true.
Short-hand for tr.select(sel).createStream(opts).
Short-hand for tr.select(sel).createReadStream(opts).
Short-hand for tr.select(sel).createWriteStream(opts).
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 6,807 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.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
Deno 2.2 enhances Node.js compatibility, improves dependency management, adds OpenTelemetry support, and expands linting and task automation for developers.
Security News
React's CRA deprecation announcement sparked community criticism over framework recommendations, leading to quick updates acknowledging build tools like Vite as valid alternatives.
Security News
Ransomware payment rates hit an all-time low in 2024 as law enforcement crackdowns, stronger defenses, and shifting policies make attacks riskier and less profitable.