mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-02 14:29:55 +00:00
112 lines
2.6 KiB
JavaScript
112 lines
2.6 KiB
JavaScript
/*\
|
|
title: $:/core/modules/utils/filesystem.js
|
|
type: application/javascript
|
|
module-type: utils-node
|
|
|
|
File system utilities
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
var fs = require("fs"),
|
|
path = require("path");
|
|
|
|
/*
|
|
Recursively (and synchronously) copy a directory and all its content
|
|
*/
|
|
exports.copyDirectory = function(srcPath,dstPath) {
|
|
// Remove any trailing path separators
|
|
srcPath = $tw.utils.removeTrailingSeparator(srcPath);
|
|
dstPath = $tw.utils.removeTrailingSeparator(dstPath);
|
|
// Create the destination directory
|
|
var err = $tw.utils.createDirectory(dstPath);
|
|
if(err) {
|
|
return err;
|
|
}
|
|
// Function to copy a folder full of files
|
|
var copy = function(srcPath,dstPath) {
|
|
var srcStats = fs.lstatSync(srcPath),
|
|
dstExists = fs.existsSync(dstPath);
|
|
if(srcStats.isFile()) {
|
|
$tw.utils.copyFile(srcPath,dstPath);
|
|
} else if(srcStats.isDirectory()) {
|
|
var items = fs.readdirSync(srcPath);
|
|
for(var t=0; t<items.length; t++) {
|
|
var item = items[t],
|
|
err = copy(srcPath + path.sep + item,dstPath + path.sep + item);
|
|
if(err) {
|
|
return err;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
copy(srcPath,dstPath);
|
|
return null;
|
|
};
|
|
|
|
/*
|
|
Copy a file
|
|
*/
|
|
var FILE_BUFFER_LENGTH = 64 * 1024,
|
|
fileBuffer = $tw.node && new Buffer(FILE_BUFFER_LENGTH);
|
|
|
|
exports.copyFile = function(srcPath,dstPath) {
|
|
// Create any directories in the destination
|
|
$tw.utils.createDirectory(path.dirname(dstPath));
|
|
// Copy the file
|
|
var srcFile = fs.openSync(srcPath,"r"),
|
|
dstFile = fs.openSync(dstPath,"w"),
|
|
bytesRead = 1,
|
|
pos = 0;
|
|
while (bytesRead > 0) {
|
|
bytesRead = fs.readSync(srcFile,fileBuffer,0,FILE_BUFFER_LENGTH,pos);
|
|
fs.writeSync(dstFile,fileBuffer,0,bytesRead);
|
|
pos += bytesRead;
|
|
}
|
|
fs.closeSync(srcFile);
|
|
fs.closeSync(dstFile);
|
|
return null;
|
|
}
|
|
|
|
/*
|
|
Remove trailing path separator
|
|
*/
|
|
exports.removeTrailingSeparator = function(dirPath) {
|
|
var len = dirPath.length;
|
|
if(dirPath.charAt(len-1) === path.sep) {
|
|
dirPath = dirPath.substr(0,len-1);
|
|
}
|
|
return dirPath;
|
|
};
|
|
|
|
/*
|
|
Recursively create a directory
|
|
*/
|
|
exports.createDirectory = function(dirPath) {
|
|
var parts = dirPath.split(path.sep);
|
|
for(var component=0; component<parts.length; component++) {
|
|
var subDirPath = parts.slice(0,component+1).join(path.sep);
|
|
if(!$tw.utils.isDirectory(subDirPath)) {
|
|
try {
|
|
fs.mkdirSync(subDirPath);
|
|
} catch(e) {
|
|
return "Error creating directory '" + subDirPath + "'";
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
/*
|
|
Check if a path identifies a directory
|
|
*/
|
|
exports.isDirectory = function(dirPath) {
|
|
return fs.existsSync(dirPath) && fs.statSync(dirPath).isDirectory();
|
|
};
|
|
|
|
})();
|