4 files changed, 275 insertions, 0 deletions
diff --git a/node_modules/dir-compare/src/entry/entryBuilder.js b/node_modules/dir-compare/src/entry/entryBuilder.js
new file mode 100644
index 0000000..6a46c62
--- /dev/null
+++ b/node_modules/dir-compare/src/entry/entryBuilder.js
@@ -0,0 +1,102 @@
+var fs = require('fs')
+var minimatch = require('minimatch')
+var pathUtils = require('path')
+var entryComparator = require('./entryComparator')
+
+var PATH_SEP = pathUtils.sep
+
+module.exports = {
+	/**
+	 * Returns the sorted list of entries in a directory.
+	 */
+	buildDirEntries: function (rootEntry, dirEntries, relativePath, options) {
+		var res = []
+		for (var i = 0; i < dirEntries.length; i++) {
+			var entryName = dirEntries[i]
+			var entryAbsolutePath = rootEntry.absolutePath + PATH_SEP + entryName
+			var entryPath = rootEntry.path + PATH_SEP + entryName
+
+			var entry = this.buildEntry(entryAbsolutePath, entryPath, entryName)
+			if (options.skipSymlinks && entry.isSymlink) {
+				entry.stat = undefined
+			}
+
+			if (filterEntry(entry, relativePath, options)) {
+				res.push(entry)
+			}
+		}
+		return res.sort((a, b) => entryComparator.compareEntry(a, b, options))
+	},
+
+	buildEntry: function (absolutePath, path, name) {
+		var stats = getStatIgnoreBrokenLink(absolutePath)
+
+		return {
+			name: name,
+			absolutePath: absolutePath,
+			path: path,
+			stat: stats.stat,
+			lstat: stats.lstat,
+			isSymlink: stats.lstat.isSymbolicLink(),
+			isBrokenLink: stats.isBrokenLink,
+			isDirectory: stats.stat.isDirectory()
+		}
+	},
+
+}
+
+
+function getStatIgnoreBrokenLink(absolutePath) {
+	var lstat = fs.lstatSync(absolutePath)
+	try {
+		return {
+			stat: fs.statSync(absolutePath),
+			lstat: lstat,
+			isBrokenLink: false
+		}
+	} catch (error) {
+		if (error.code === 'ENOENT') {
+			return {
+				stat: lstat,
+				lstat: lstat,
+				isBrokenLink: true
+			}
+		}
+		throw error
+	}
+}
+
+/**
+ * Filter entries by file name. Returns true if the file is to be processed.
+ */
+function filterEntry(entry, relativePath, options) {
+	if (entry.isSymlink && options.skipSymlinks) {
+		return false
+	}
+	var path = pathUtils.join(relativePath, entry.name)
+
+	if ((entry.stat.isFile() && options.includeFilter) && (!match(path, options.includeFilter))) {
+		return false
+	}
+
+	if ((options.excludeFilter) && (match(path, options.excludeFilter))) {
+		return false
+	}
+
+	return true
+}
+
+/**
+ * Matches path by pattern.
+ */
+function match(path, pattern) {
+	var patternArray = pattern.split(',')
+	for (var i = 0; i < patternArray.length; i++) {
+		var pat = patternArray[i]
+		if (minimatch(path, pat, { dot: true, matchBase: true })) { //nocase
+			return true
+		}
+	}
+	return false
+}
+
diff --git a/node_modules/dir-compare/src/entry/entryComparator.js b/node_modules/dir-compare/src/entry/entryComparator.js
new file mode 100644
index 0000000..d0361f5
--- /dev/null
+++ b/node_modules/dir-compare/src/entry/entryComparator.js
@@ -0,0 +1,20 @@
+/**
+ * Determines order criteria for sorting entries in a directory.
+ */
+module.exports = {
+	compareEntry: function (a, b, options) {
+		if (a.isBrokenLink && b.isBrokenLink) {
+			return options.compareNameHandler(a.name, b.name, options)
+		} else if (a.isBrokenLink) {
+			return -1
+		} else if (b.isBrokenLink) {
+			return 1
+		} else if (a.stat.isDirectory() && b.stat.isFile()) {
+			return -1
+		} else if (a.stat.isFile() && b.stat.isDirectory()) {
+			return 1
+		} else {
+			return options.compareNameHandler(a.name, b.name, options)
+		}
+	}
+}
diff --git a/node_modules/dir-compare/src/entry/entryEquality.js b/node_modules/dir-compare/src/entry/entryEquality.js
new file mode 100644
index 0000000..f1b8d78
--- /dev/null
+++ b/node_modules/dir-compare/src/entry/entryEquality.js
@@ -0,0 +1,135 @@
+var fs = require('fs')
+/**
+ * Compares two entries with identical name and type.
+ */
+module.exports = {
+    isEntryEqualSync: function (entry1, entry2, type, options) {
+        if (type === 'file') {
+            return isFileEqualSync(entry1, entry2, options)
+        }
+        if (type === 'directory') {
+            return isDirectoryEqual(entry1, entry2, options)
+        }
+        if (type === 'broken-link') {
+            return isBrokenLinkEqual()
+        }
+        throw new Error('Unexpected type ' + type)
+    },
+
+    isEntryEqualAsync: function (entry1, entry2, type, diffSet, options) {
+        if (type === 'file') {
+            return isFileEqualAsync(entry1, entry2, type, diffSet, options)
+        }
+        if (type === 'directory') {
+            return isDirectoryEqual(entry1, entry2, options)
+        }
+        if (type === 'broken-link') {
+            return isBrokenLinkEqual()
+        }
+        throw new Error('Unexpected type ' + type)
+    }
+}
+
+
+function isFileEqualSync(entry1, entry2, options) {
+    var p1 = entry1 ? entry1.absolutePath : undefined
+    var p2 = entry2 ? entry2.absolutePath : undefined
+    if (options.compareSymlink && !isSymlinkEqual(entry1, entry2)) {
+        return { same: false, reason: 'different-symlink' }
+    }
+    if (options.compareSize && entry1.stat.size !== entry2.stat.size) {
+        return { same: false, reason: 'different-size' }
+    }
+    if (options.compareDate && !isDateEqual(entry1.stat.mtime, entry2.stat.mtime, options.dateTolerance)) {
+        return { same: false, reason: 'different-date' }
+    }
+    if (options.compareContent && !options.compareFileSync(p1, entry1.stat, p2, entry2.stat, options)) {
+        return { same: false, reason: 'different-content' }
+    }
+    return { same: true }
+}
+
+function isFileEqualAsync(entry1, entry2, type, diffSet, options) {
+    var p1 = entry1 ? entry1.absolutePath : undefined
+    var p2 = entry2 ? entry2.absolutePath : undefined
+    if (options.compareSymlink && !isSymlinkEqual(entry1, entry2)) {
+        return { same: false, reason: 'different-symlink' }
+    }
+    if (options.compareSize && entry1.stat.size !== entry2.stat.size) {
+        return { same: false, samePromise: undefined, reason: 'different-size' }
+    }
+
+    if (options.compareDate && !isDateEqual(entry1.stat.mtime, entry2.stat.mtime, options.dateTolerance)) {
+        return { same: false, samePromise: undefined, reason: 'different-date' }
+    }
+
+    if (options.compareContent) {
+        var samePromise = undefined
+        var subDiffSet
+        if (!options.noDiffSet) {
+            subDiffSet = []
+            diffSet.push(subDiffSet)
+        }
+        samePromise = options.compareFileAsync(p1, entry1.stat, p2, entry2.stat, options)
+            .then(function (comparisonResult) {
+                var same, error
+                if (typeof (comparisonResult) === "boolean") {
+                    same = comparisonResult
+                } else {
+                    error = comparisonResult
+                }
+
+                return {
+                    entry1: entry1, entry2: entry2, same: same,
+                    error: error, type1: type, type2: type,
+                    diffSet: subDiffSet,
+                    reason: same ? undefined : 'different-content'
+                }
+            })
+            .catch(function (error) {
+                return {
+                    error: error
+                }
+            })
+
+        return { same: undefined, samePromise: samePromise }
+    }
+
+    return { same: true, samePromise: undefined }
+}
+
+function isDirectoryEqual(entry1, entry2, options) {
+    if (options.compareSymlink && !isSymlinkEqual(entry1, entry2)) {
+        return { same: false, reason: 'different-symlink' }
+    }
+    return { same: true }
+}
+
+function isBrokenLinkEqual() {
+    return { same: false, reason: 'broken-link' } // broken links are never considered equal
+}
+
+/**
+ * Compares two dates and returns true/false depending on tolerance (milliseconds).
+ * Two dates are considered equal if the difference in milliseconds between them is less or equal than tolerance.
+ */
+function isDateEqual(date1, date2, tolerance) {
+    return Math.abs(date1.getTime() - date2.getTime()) <= tolerance ? true : false
+}
+
+/**
+ * Compares two entries for symlink equality.
+ */
+function isSymlinkEqual(entry1, entry2) {
+    if (!entry1.isSymlink && !entry2.isSymlink) {
+        return true
+    }
+    if (entry1.isSymlink && entry2.isSymlink && hasIdenticalLink(entry1.absolutePath, entry2.absolutePath)) {
+        return true
+    }
+    return false
+}
+
+function hasIdenticalLink(path1, path2) {
+    return fs.readlinkSync(path1) === fs.readlinkSync(path2)
+}
+\ No newline at end of file
diff --git a/node_modules/dir-compare/src/entry/entryType.js b/node_modules/dir-compare/src/entry/entryType.js
new file mode 100644
index 0000000..5dac42a
--- /dev/null
+++ b/node_modules/dir-compare/src/entry/entryType.js
@@ -0,0 +1,18 @@
+
+module.exports = {
+	/**
+	 * One of 'missing','file','directory','broken-link'
+	 */
+	getType: function (entry) {
+		if (!entry) {
+			return 'missing'
+		}
+		if (entry.isBrokenLink) {
+			return 'broken-link'
+		}
+		if (entry.isDirectory) {
+			return 'directory'
+		}
+		return 'file'
+	}
+}
+\ No newline at end of file