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166 | 1×
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338×
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37×
1× | var fs = require('fs');
var pathUtils = require('path');
var common = require('./common');
/**
* Returns the sorted list of entries in a directory.
*/
var getEntries = function (path, options) {
// TODO: fs.statSync(path) is called twice. Cache the result of the first call
if (!path) {
return [];
} else Eif (fs.statSync(path).isDirectory()) {
var entries = fs.readdirSync(path);
var res = [];
entries.forEach(function (entryName) {
var entryPath = path + '/' + entryName;
var entry = {
name : entryName,
path : entryPath,
stat : fs.statSync(entryPath),
symlink : fs.lstatSync(entryPath).isSymbolicLink(),
toString : function () {
return this.name;
}
};
if (common.filterEntry(entry, options)){
res.push(entry);
}
});
return options.ignoreCase?res.sort(common.compareEntryIgnoreCase):res.sort(common.compareEntryCaseSensitive);
} else {
var name = pathUtils.basename(path);
return [
{
name : name,
path : path,
stat : fs.statSync(path)
}
];
}
}
/**
* Compares two directories synchronously.
*/
var compare = function (path1, path2, level, relativePath, options, statistics, diffSet) {
var entries1 = getEntries(path1, options);
var entries2 = getEntries(path2, options);
var i1 = 0, i2 = 0;
while (i1 < entries1.length || i2 < entries2.length) {
var entry1 = entries1[i1];
var entry2 = entries2[i2];
var n1 = entry1 ? entry1.name : undefined;
var n2 = entry2 ? entry2.name : undefined;
var p1 = entry1 ? entry1.path : undefined;
var p2 = entry2 ? entry2.path : undefined;
var fileStat1 = entry1 ? entry1.stat : undefined;
var fileStat2 = entry2 ? entry2.stat : undefined;
var type1, type2;
// compare entry name (-1, 0, 1)
var cmp;
if (i1 < entries1.length && i2 < entries2.length) {
cmp = options.ignoreCase?common.compareEntryIgnoreCase(entry1, entry2):common.compareEntryCaseSensitive(entry1, entry2);
type1 = common.getType(fileStat1);
type2 = common.getType(fileStat2);
} else if (i1 < entries1.length) {
type1 = common.getType(fileStat1);
type2 = common.getType(undefined);
cmp = -1;
} else {
type1 = common.getType(undefined);
type2 = common.getType(fileStat2);
cmp = 1;
}
// process entry
if (cmp === 0) {
// Both left/right exist and have the same name
Eif (type1 === type2) {
var same;
if(type1==='file'){
var compareSize = options.compareSize === undefined ? false : options.compareSize;
var compareContent = options.compareContent === undefined ? false : options.compareContent;
if (compareSize && fileStat1.size !== fileStat2.size) {
same = false;
} else if(compareContent){
same = options.compareFileSync(p1, fileStat1, p2, fileStat2, options);
} else{
same = true;
}
} else{
same = true;
}
Eif(!options.noDiffSet){
options.resultBuilder(entry1, entry2, same ? 'equal' : 'distinct', level, relativePath, options, statistics, diffSet);
}
same ? statistics.equal++ : statistics.distinct++;
if(type1==='file'){
same ? statistics.equalFiles++ : statistics.distinctFiles++;
} else{
same ? statistics.equalDirs++ : statistics.distinctDirs++;
}
} else {
// File and directory with same name
if(!options.noDiffSet){
options.resultBuilder(entry1, entry2, 'distinct', level, relativePath, options, statistics, diffSet);
}
statistics.distinct+=2;
statistics.distinctFiles++;
statistics.distinctDirs++;
}
i1++;
i2++;
if(!options.skipSubdirs){
if (type1 === 'directory' && type2 === 'directory') {
compare(p1, p2, level + 1, relativePath + '/' + entry1.name, options, statistics, diffSet);
} else Iif (type1 === 'directory') {
compare(p1, undefined, level + 1, relativePath + '/' + entry1.name, options, statistics, diffSet);
} else Iif (type2 === 'directory') {
compare(undefined, p2, level + 1, relativePath + '/' + entry2.name, options, statistics, diffSet);
}
}
} else if (cmp < 0) {
// Right missing
Eif(!options.noDiffSet){
options.resultBuilder(entry1, undefined, 'left', level, relativePath, options, statistics, diffSet);
}
statistics.left++;
if(type1==='file'){
statistics.leftFiles++;
} else{
statistics.leftDirs++;
}
i1++;
if (type1 === 'directory' && !options.skipSubdirs) {
compare(p1, undefined, level + 1, relativePath + '/' + entry1.name, options, statistics, diffSet);
}
} else {
// Left missing
Eif(!options.noDiffSet){
options.resultBuilder(undefined, entry2, 'right', level, relativePath, options, statistics, diffSet);
}
statistics.right++;
if(type2==='file'){
statistics.rightFiles++;
} else{
statistics.rightDirs++;
}
i2++;
if (type2 === 'directory' && !options.skipSubdirs) {
compare(undefined, p2, level + 1, relativePath + '/' + entry2.name, options, statistics, diffSet);
}
}
}
};
module.exports = compare; |