优化

‘liusuyi’

2023-10-21 ae92b6823499cfab77201b4033922fa373fb37a3

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
"use strict";
 
var path = require("path");
 
function WatcherManager() {
    this.directoryWatchers = {};
}
 
WatcherManager.prototype.getDirectoryWatcher = function(directory, options) {
    var DirectoryWatcher = require("./DirectoryWatcher");
    options = options || {};
    var key = directory + " " + JSON.stringify(options);
    if(!this.directoryWatchers[key]) {
        this.directoryWatchers[key] = new DirectoryWatcher(directory, options);
        this.directoryWatchers[key].on("closed", function() {
            delete this.directoryWatchers[key];
        }.bind(this));
    }
    return this.directoryWatchers[key];
};
 
WatcherManager.prototype.watchFile = function watchFile(p, options, startTime) {
    var directory = path.dirname(p);
    return this.getDirectoryWatcher(directory, options).watch(p, startTime);
};
 
WatcherManager.prototype.watchDirectory = function watchDirectory(directory, options, startTime) {
    return this.getDirectoryWatcher(directory, options).watch(directory, startTime);
};
 
module.exports = new WatcherManager();