new Promise(function (resolve, reject) {
var finalCss = postformatting(stdOut, {
maxEmbeddedBase64Length: typeof options.maxEmbeddedBase64Length === 'number' ? options.maxEmbeddedBase64Length : DEFAULT_MAX_EMBEDDED_BASE64_LENGTH,
}, m.DEBUG, START_TIME)
if (finalCss.trim().length === 0) {
// TODO: this error should surface to user
debuglog('Note: Generated critical css was empty for URL: ' + options.url)
} else {
// remove irrelevant css properties
finalCss = apartment(finalCss, {
properties: [
'(.*)transition(.*)',
'cursor',
'pointer-events',
'(-webkit-)?tap-highlight-color',
'(.*)user-select'
],
// TODO: move into core phantomjs script
selectors: [
'::(-moz-)?selection'
]
})
}
callback(null, finalCss)
resolve()
return
})
cp.on('exit', function (code) {
if (code === 0) {
if (m.DEBUG) {
console.log('stdout: ' + stdOut)
console.log('stderr: ' + stdErr)
}
stdOut = removePhantomJSSecurityErrors(stdOut)
// remove irrelevant css properties
var finalCss = apartment(stdOut, {
properties: [
'(.*)(animation|transition)(.*)',
'cursor',
'pointer-events',
'(-webkit-)?tap-highlight-color',
'(.*)user-select'
],
// TODO: move into core phantomjs script
selectors: [
'::(-moz-)?selection'
]
})
callback(null, finalCss)
} else {
debuggingHelp += 'PhantomJS process exited with code ' + code
var err = new Error(stdErr + stdOut)
err.code = code
err.debug = debuggingHelp
err.stdout = stdOut
err.stderr = stdErr
callback(err)
}
// we're done here - clean up
clearTimeout(killTimeout)
// can't rely on that the parent process will be terminated any time soon,
// need to rm listeners and kill child process manually
process.removeListener('exit', exitHandler)
process.removeListener('SIGTERM', sigtermHandler)
cp.kill('SIGTERM')
})