How to use the watchr.watch function in watchr
To help you get started, we’ve selected a few watchr examples, based on popular ways it is used in public projects.
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Illizian / node-codekit / lib / node-codekit.js View on Github 
function watchInit() {
console.log(ascii.color('\n ) ) ( ) ( ', 'yellow'));
console.log(ascii.color(' ( /( ( /( )\\ ) ( /( )\\ ) * ) ', 'red'));
console.log(ascii.color(' )\\()) )\\())(()/( ( )\\())(()/(` ) /( ', 'red'));
console.log(ascii.color('((_)\\ ((_)\\ /(_)) )\\ |((_)\\ /(_))( )(_)) ', 'red'));
console.log(ascii.color(' _((_) ((_)(_))_ ((_) |_ ((_)(_)) (_(_()) ', 'blue'));
console.log(ascii.color('| \\| | / _ \\ | \\ | __|| |/ / |_ _||_ _| ', 'cyan'));
console.log(ascii.color('| .` || (_) || |) || _| \' < | | | | ', 'cyan'));
console.log(ascii.color('|_|\\_| \\___/ |___/ |___| _|\\_\\ |___| |_| ', 'cyan'));
console.log(ascii.color('\n A Web Developer\'s Best Friend! \n', 'bold'))
console.log('Watching: ' + process.cwd());
notify('NodeKit', 'Watching: ' + process.cwd());
// Watch the current working directory
watchr.watch({
path: process.cwd(),
listener: function(eventName,filePath,fileCurrentStat,filePreviousStat) {
// Handle watch event
pre_process([eventName,filePath,fileCurrentStat,filePreviousStat]);
},
next: function(err,watcher) {
if (err) throw err;
}
});
// Listen on socket channel
io = require('socket.io').listen(8080)
// Socket.IO configuration
io.set('log level', 0);
// Attach Socket.IO Eventsfunction init(logger, events, rootPath) {
var d = Q.defer();
// Normalize paths
function normalize(fullPath) {
return path.normalize(
'/' + path.relative(rootPath, fullPath)
);
}
logger.log('Starting Watch');
// Construct
watchr.watch({
paths: [rootPath],
// Following links causes issues with broken symlinks
// crashing the whole watchr instance and thus codebox
// so disabling link following for now
followLinks: false,
listeners: {
log: function(logLevel) {
/*
events.emit('watch.log', {
level: logLevel,
args: _.toArray(arguments)
});
*/
},paths: this.paths,
listeners: { // forward everything on to our eventemitter for now
log : function(level, info) {
self.log( level === 'debug' ? 'debug-2' : level, info );
},
error : this.emit.bind( this, 'error' ),
change : _change.bind( this )
},
next: function(err, watchers) {
if (err) { this.emit('error', err); return callback(err); }
self.watchers = watchers;
self.log('debug', 'watching ' + self.watchers.length + ' files/dirs');
}
};
var cfg = _.extend( {}, _defaultConfig, this.config )
watchr.watch( cfg );
};function init(logger, events, rootPath) {
var d = Q.defer();
// Normalize paths
function normalize(fullPath) {
return path.normalize(
'/' + path.relative(rootPath, fullPath)
);
}
logger.log('Starting Watch');
// Construct
watchr.watch({
paths: [rootPath],
// Following links causes issues with broken symlinks
// crashing the whole watchr instance and thus codebox
// so disabling link following for now
followLinks: false,
listeners: {
log: function(logLevel) {
/*
events.emit('watch.log', {
level: logLevel,
args: _.toArray(arguments)
});
*/
},},
function() {
var fn_str = mf.compile(messages, compileOpt).toString();
fn_str = fn_str.replace(/^\s*function\b[^{]*{\s*/, '').replace(/\s*}\s*$/, '');
var data = options.module ? fn_str : '(function(G) {\n' + fn_str + '\n})(this);';
return callback(options, data.trim() + '\n');
}
);
});
}
build(options, write);
if (options.watch) {
_log('watching for changes in ' + options.inputdir + '...\n');
require('watchr').watch({
path: options.inputdir,
ignorePaths: [ options.output ],
listener: function(changeType, filePath) { if (/\.json$/.test(filePath)) build(options, write); }
});
}}
if( format ) {
if( format != 'raw' ) {
this._options_.parser = this._options_.parser || parsers[ format ];
} else {
this._options_parser = parsers[ 'rawFile' ];
}
}
//console.log( "options: ", this._options_ );
this.readFile();
if( this._options_.watch ) {
this._watchr_ = watchr.watch(
{ path: this._source_,
listener: function(event, file, stat, ostat) {
if( event == 'change' ) {
self.readFile();
} else if (event == 'unlink' ) {
self.state('invalid', 'backing file deleted;');
}
}
});
}
}.argv;
if(argv._.length < 2) {
CFonts.say(' signal-arr', {colors: ['red', 'white'], maxLength: '11'});
yargs.showHelp('log');
} else {
argv.command = argv._[0];
argv.assembly = argv._[1];
argv.print = console.log;
argv.writeFile = fs.writeFile;
argv.readFile = fs.readFile;
if(argv.command === 'interactive') {
interactive(argv).catch(err => console.error(err));
} else {
if(argv.watch) {
watchr.watch({
path: argv.assembly,
listener() {
processor(argv).catch(err => console.error(err));
}
});
}
processor(argv).catch(err => console.error(err));
}
}function LiveReloadServer(options) {
var server = http.createServer(serveText)
, sock = shoe(handleStream)
, paths = options._ || process.cwd()
, filterIgnored = options.ignore || noop
, delay = options.delay || 1000
, port = options.port || 9090
, timer
, source = bundle(path.join(__dirname, "reload.js"), {
body: "require('./browser.js')(" + port + ")"
})
watchr.watch({
paths: paths
, listener: reload
, ignoreHiddenFiles: true
, ignorePatterns: true
})
sock.install(server, "/shoe")
server.listen(port)
console.log("live reload server listening on port", port
, "reloading on files")
function serveText(req, res) {
res.setHeader("content-type", "application/javascript")}
function write( data, callback ){
data = data.join('\n');
if(options.stdout) {
return console.log(data);
}
var output = options.output;
fs.writeFile( output, data, 'utf8', function( err ){
if( typeof callback == "function" ) callback(err, output);
});
};
compile();
if(options.watch){
return watch(options.inputdir, _.debounce(compile, 100));
}cli.info('Just booted. Regenerating.');
var start = Date.now();
walk(root,reg,ignore,function(err,files) {
for (var i = 0; i < files.length; i++) {
files[i] = files[i].replace(root,'.');
}
generator = new Generator(files, config, function() {
cli.ok('Generated site in ' + (Date.now() - start) + 'ms');
if (!options['no-server']) return;
cli.info('Exiting');
process.exit();
});
});
watchr.watch(config.watchr);
});
