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partially made some requested changes, but other changes still need to be discussed

This commit is contained in:
Andrew Koung 2019-03-25 00:05:19 -04:00
parent 8a8e4219d2
commit 1c7c00142e
1 changed files with 27 additions and 25 deletions
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52
src/filesystem/interface.js
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@ -210,42 +210,44 @@ function FileSystem(options, callback) {
const statWatchers = new Map();
this.watchFile = function(filename, options, listener) {
const prevStat, currStat;
let prevStat, currStat;
if (Path.isNull(filename)) {
throw new Error('Path must be a string without null bytes.');
}
//Checks to see if there were options passed in and if not, the callback function will be set here
// Checks to see if there were options passed in and if not, the callback function will be set here
if (typeof options === 'function') {
listener = options;
options = {};
}
//default 5007ms interval, persistent is not used this project
// default 5007ms interval, persistent is not used this project
const interval = options.interval || 5007;
listener = listener || nop;
//Stores initial prev value to compare
fs.stat(filename, function(err, stats) { prevStat = stats});
//stores interval return values
statWatchers.set(filename, value);
var value = setInterval(function() {
fs.stat(filename, function(err, stats) {
if(err) {
console.log(err);
}
//Store the current stat
currStat = stats;
if(prevStat != currStat) {
listener(prevStat, currStat);
}
//Set a new prevStat based on previous
prevStat = currStat;
});
},
interval
);
// Stores initial prev value to compare
fs.stat(filename, function(err, stats) {
prevStat = stats;
// Stores interval return values
statWatchers.set(filename, value);
var value = setInterval(function() {
fs.stat(filename, function(err, stats) {
if(err) {
console.log(err);
}
// Store the current stat
currStat = stats;
if(Object.toJSON(prevStat) !== Object.toJSON(currStat)) {
listener(prevStat, currStat);
}
// Set a new prevStat based on previous
prevStat = currStat;
});
},
interval
);
});
};
// Deal with various approaches to node ID creation