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nodeutils.js
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91 lines (82 loc) · 1.86 KB
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var async = require("async");
var fs = require("fs");
var path = require("path");
var utils = require("ripple-lib").utils;
// Empty a directory.
// done(err) : err = true if an error occured.
var emptyPath = function(dirPath, done) {
fs.readdir(dirPath, function(err, files) {
if (err) {
done(err);
}
else {
async.some(files.map(function(f) { return path.join(dirPath, f); }), rmPath, done);
}
});
};
// Make a directory and sub-directories.
var mkPath = function(dirPath, mode, done) {
fs.mkdir(dirPath, typeof mode === "string" ? parseInt(mode, 8) : mode, function(e) {
if (!e || e.code === "EEXIST") {
// Created or already exists, done.
done();
}
else if (e.code === "ENOENT") {
// Missing sub dir.
mkPath(path.dirname(dirPath), mode, function(e) {
if (e) {
throw e;
}
else {
mkPath(dirPath, mode, done);
}
});
}
else {
throw e;
}
});
};
// Create directory if needed and empty if needed.
var resetPath = function(dirPath, mode, done) {
mkPath(dirPath, mode, function(e) {
if (e) {
done(e);
}
else {
emptyPath(dirPath, done);
}
});
};
// Remove path recursively.
// done(err)
var rmPath = function(dirPath, done) {
// console.log("rmPath: %s", dirPath);
fs.lstat(dirPath, function(err, stats) {
if (err && err.code == "ENOENT") {
done();
}
if (err) {
done(err);
}
else if (stats.isDirectory()) {
emptyPath(dirPath, function(e) {
if (e) {
done(e);
}
else {
// console.log("rmdir: %s", dirPath); done();
fs.rmdir(dirPath, done);
}
});
}
else {
// console.log("unlink: %s", dirPath); done();
fs.unlink(dirPath, done);
}
});
};
exports.mkPath = mkPath;
exports.resetPath = resetPath;
exports.rmPath = rmPath;
// vim:sw=2:sts=2:ts=8:et