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this._basename = this.filename = options.filename
? path.basename(options.filename)
: 'winston.log';
this.dirname = options.dirname || path.dirname(options.filename);
this.options = options.options || { flags: 'a' };
//
// "24 bytes" is maybe a good value for logging lines.
//
this.options.highWaterMark = this.options.highWaterMark || 24;
}
else if (options.stream) {
throwIf('stream', 'filename', 'maxsize');
this._stream = options.stream;
this._isStreams2 = isWritable(this._stream);
this._stream.on('error', function(error){
self.emit('error', error);
});
//
// We need to listen for drain events when
// write() returns false. This can make node
// mad at times.
//
this._stream.setMaxListeners(Infinity);
}
else {
throw new Error('Cannot log to file without filename or stream.');
}
this.json = options.json !== false;
this.logstash = options.logstash || false;
// Other (stringify or raw text)
else {
if (!responseType) {
res.setHeader("Content-Type", "application/json; charset=utf-8");
chunk = JSON.stringify(data);
} else {
res.setHeader("Content-Type", responseType);
if (_.isString(data))
chunk = data;
else
chunk = data.toString();
}
}
// Auto generate & add ETag
if(route.etag && chunk && !res.getHeader("ETag") && !isReadableStream(chunk)) {
res.setHeader("ETag", generateETag.call(this, chunk, route.etag));
}
// Freshness
if (isFresh(req, res))
res.statusCode = 304;
if (res.statusCode === 204 || res.statusCode === 304) {
res.removeHeader("Content-Type");
res.removeHeader("Content-Length");
res.removeHeader("Transfer-Encoding");
chunk = "";
}
if (req.method === "HEAD") {
function createAndFlush (size) {
if (self._stream) {
self._stream.end();
self._stream.destroySoon();
}
self._size = size;
self.filename = target;
self._stream = fs.createWriteStream(fullname, self.options);
self._isStreams2 = isWritable(self._stream);
//
// We need to listen for drain events when
// write() returns false. This can make node
// mad at times.
//
self._stream.setMaxListeners(Infinity);
//
// When the current stream has finished flushing
// then we can be sure we have finished opening
// and thus can emit the `open` event.
//
self.once('flush', function () {
// Because "flush" event is based on native stream "drain" event,
// logs could be written inbetween "self.flush()" and here
// Therefore, we need to flush again to make sure everything is flushed
this._basename = this.filename = options.filename
? path.basename(options.filename)
: 'winston.log';
this.dirname = options.dirname || path.dirname(options.filename);
this.options = options.options || { flags: 'a' };
//
// "24 bytes" is maybe a good value for logging lines.
//
this.options.highWaterMark = this.options.highWaterMark || 24;
}
else if (options.stream) {
throwIf('stream', 'filename', 'maxsize');
this._stream = options.stream;
this._isStreams2 = isWritable(this._stream);
//
// We need to listen for drain events when
// write() returns false. This can make node
// mad at times.
//
this._stream.setMaxListeners(Infinity);
}
else {
throw new Error('Cannot log to file without filename or stream.');
}
this.json = options.json !== false;
this.logstash = options.logstash || false;
this.colorize = options.colorize || false;
this.maxsize = options.maxsize || null;
this.maxFiles = options.maxFiles || null;
function createAndFlush (size) {
if (self._stream) {
self._stream.end();
self._stream.destroySoon();
}
self._size = size;
self.filename = target;
self._stream = fs.createWriteStream(fullname, self.options);
self._isStreams2 = isWritable(self._stream);
//
// We need to listen for drain events when
// write() returns false. This can make node
// mad at times.
//
self._stream.setMaxListeners(Infinity);
//
// When the current stream has finished flushing
// then we can be sure we have finished opening
// and thus can emit the `open` event.
//
self.once('flush', function () {
// Because "flush" event is based on native stream "drain" event,
// logs could be written inbetween "self.flush()" and here
// Therefore, we need to flush again to make sure everything is flushed
this._basename = this.filename = options.filename
? path.basename(options.filename)
: 'winston.log';
this.dirname = options.dirname || path.dirname(options.filename);
this.options = options.options || { flags: 'a' };
//
// "24 bytes" is maybe a good value for logging lines.
//
this.options.highWaterMark = this.options.highWaterMark || 24;
}
else if (options.stream) {
throwIf('stream', 'filename', 'maxsize');
this._stream = options.stream;
this._isStreams2 = isWritable(this._stream);
//
// We need to listen for drain events when
// write() returns false. This can make node
// mad at times.
//
this._stream.setMaxListeners(Infinity);
}
else {
throw new Error('Cannot log to file without filename or stream.');
}
this.json = options.json !== false;
this.logstash = options.logstash || false;
this.colorize = options.colorize || false;
this.maxsize = options.maxsize || null;
this.maxFiles = options.maxFiles || null;
function createAndFlush (size) {
if (self._stream) {
self._stream.end();
self._stream.destroySoon();
}
self._size = size;
self.filename = target;
self._stream = fs.createWriteStream(fullname, self.options);
self._isStreams2 = isWritable(self._stream);
//
// We need to listen for drain events when
// write() returns false. This can make node
// mad at times.
//
self._stream.setMaxListeners(Infinity);
//
// When the current stream has finished flushing
// then we can be sure we have finished opening
// and thus can emit the `open` event.
//
self.once('flush', function () {
// Because "flush" event is based on native stream "drain" event,
// logs could be written inbetween "self.flush()" and here
// Therefore, we need to flush again to make sure everything is flushed
function createAndFlush (size) {
if (self._stream) {
self._stream.end();
self._stream.destroySoon();
}
self._size = size;
self.filename = target;
self._stream = fs.createWriteStream(fullname, self.options);
self._isStreams2 = isWritable(self._stream);
//
// We need to listen for drain events when
// write() returns false. This can make node
// mad at times.
//
self._stream.setMaxListeners(Infinity);
//
// When the current stream has finished flushing
// then we can be sure we have finished opening
// and thus can emit the `open` event.
//
self.once('flush', function () {
// Because "flush" event is based on native stream "drain" event,
// logs could be written inbetween "self.flush()" and here
// Therefore, we need to flush again to make sure everything is flushed
this._basename = this.filename = options.filename
? path.basename(options.filename)
: 'winston.log';
this.dirname = options.dirname || path.dirname(options.filename);
this.options = options.options || { flags: 'a' };
//
// "24 bytes" is maybe a good value for logging lines.
//
this.options.highWaterMark = this.options.highWaterMark || 24;
}
else if (options.stream) {
throwIf('stream', 'filename', 'maxsize');
this._stream = options.stream;
this._isStreams2 = isWritable(this._stream);
//
// We need to listen for drain events when
// write() returns false. This can make node
// mad at times.
//
this._stream.setMaxListeners(Infinity);
}
else {
throw new Error('Cannot log to file without filename or stream.');
}
this.json = options.json !== false;
this.logstash = options.logstash || false;
this.colorize = options.colorize || false;
this.maxsize = options.maxsize || null;
this.maxFiles = options.maxFiles || null;
test('calls resolvers with placeholder', t => {
const resolvers = [(url, source, placeholder) => ({ content: placeholder })];
const { contentStream, resolvedUrl } = resolver.resolveToReadableStream(
{ url: '"foo.md"', source: 'bar.md' },
resolvers,
':[](foo.md)'
);
t.falsy(resolvedUrl);
t.truthy(isStream(contentStream));
});