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Check for errors from phantomjs.

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This commit is contained in:
Nick Martin
2012-08-03 18:11:25 -07:00
parent 7632dc0386
commit 81cb0239f0
1 changed files with 24 additions and 10 deletions
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34
packages/spiderable/spiderable.js
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@@ -14,23 +14,38 @@
var newQuery = querystring.stringify(parsed);
var newPath = preQuery + (newQuery ? "?" + newQuery : "");
var url = "http://" + req.headers.host + newPath;
console.log("GB", url);
// run phantomjs
// XXX make sure phantomjs in the path!
//
// Use '/dev/stdin' to avoid writing to a temporary file. Can't
// just omit the file, as PhantomJS takes that to mean 'use a
// REPL' and exits as soon as stdin closes.
var cp = spawn('phantomjs', ['--load-images=no', '/dev/stdin']);
cp.on('exit', function (code) {
// XXX look at code
res.end();
});
// phantomjs prints in utf8.
res.writeHead(200, {'Content-Type': 'text/html; charset=UTF-8'});
cp.stdout.pipe(res);
var data = '';
cp.stdout.setEncoding('utf8');
cp.stdout.on('data', function (chunk) {
data += chunk;
});
cp.on('exit', function (code) {
if (0 === code && /<html>/i.test(data)) {
res.writeHead(200, {'Content-Type': 'text/html; charset=UTF-8'});
res.end(data);
} else {
// phantomjs failed. Don't send the error, instead send the
// normal page.
if (code === 127)
Meteor._debug("spiderable: phantomjs not installed. Download and install from http://phantomjs.org/");
else
Meteor._debug("spiderable: phantomjs failed:", code, data);
next();
}
});
// don't crash w/ EPIPE if phantomjs isn't installed.
cp.stdin.on('error', function () {});
cp.stdin.write(
"var url = '" + url + "';" +
@@ -64,7 +79,6 @@
"}, 100);");
cp.stdin.end();
} else {
next();
}