@gofunky/trumpet
Advanced tools
Readme
the maintained version of trumpet
<table>
<tbody>blah blah blah</tbody>
<tr><td>there</td></tr>
<tr><td>it</td></tr>
<tr><td>is</td></tr>
</table>
const trumpet = require('@gofunky/trumpet')
const tr = trumpet()
tr.pipe(process.stdout)
const ws = tr.select('tbody').createWriteStream()
ws.end('<tr><td>rawr</td></tr>')
const fs = require('fs')
fs.createReadStream(__dirname + '/html/table.html').pipe(tr)
<table>
<tbody><tr><td>rawr</td></tr></tbody>
<tr><td>there</td></tr>
<tr><td>it</td></tr>
<tr><td>is</td></tr>
</table>
<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>
const trumpet = require('@gofunky/trumpet')
const tr = trumpet()
tr.selectAll('.b span', (span) => {
span.createReadStream().pipe(process.stdout)
})
const fs = require('fs')
fs.createReadStream(__dirname + '/html/read_all.html').pipe(tr)
tacos y burritos
<html>
<body>
<div class="x">
<span>hack</span>
<span> the </span>
<span>planet</span>
</div>
</body>
</html>
const trumpet = require('@gofunky/trumpet')
const through = require('through2')
const tr = trumpet()
//select all element and apply transformation function to selections
tr.selectAll('.x span', (element) => {
//define function to transform input
const upper = through((buf) => {
this.queue(String(buf).toUpperCase())
})
//create a read/write stream for selected selement
const stream = element.createStream()
//stream the element's inner html to transformation function
//then stream the transformed output back into the element stream
stream.pipe(upper).pipe(stream)
//stream in html to trumpet and stream processed output to stdout
const fs = require('fs')
fs.createReadStream(__dirname + '/html/uppercase.html').pipe(tr).pipe(process.stdout)
<html>
<body>
<div class="x">
<span>HACK</span>
<span> THE </span>
<span>PLANET</span>
</div>
</body>
</html>
const trumpet = require('@gofunky/trumpet')
const tr = trumpet(opts)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.
const elem = tr.select(selector)Return a result object elem for the first element matching selector.
tr.selectAll(selector, (elem) => {})Get a result object elem for every element matching selector.
elem.getAttribute(name, cb)When the selector for elem matches, query the case-insensitive attribute
called name with cb(value).
Returns elem.
elem.getAttributes(name, cb)Get all the elements in cb(attributes) as an object attributes with
lower-case keys.
Returns elem.
elem.setAttribute(name, 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.
Returns elem.
elem.removeAttribute(name)When the selector for elem matches, remove the attribute called name if it
exists.
Returns elem.
elem.createReadStream(opts)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.
elem.createWriteStream(opts)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.
elem.createStream(opts)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.
tr.createStream(sel, opts)Short-hand for tr.select(sel).createStream(opts).
tr.createReadStream(sel, opts)Short-hand for tr.select(sel).createReadStream(opts).
tr.createWriteStream(sel, opts)Short-hand for tr.select(sel).createWriteStream(opts).
elem.nameThe element name as a lower-case string. For example: 'div'.
Currently, these css selectors work:
*EE FE > FE + FE.classE#idE[attr=value]E[attr~=search]E[attr|=prefix]E[attr^=prefix]E[attr$=suffix]E[attr*=search]FAQs
parse and transform streaming html using css selectors
The npm package @gofunky/trumpet receives a total of 14 weekly downloads. As such, @gofunky/trumpet popularity was classified as not popular.
We found that @gofunky/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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