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Copy pathrequire-tree.js
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67 lines (58 loc) · 1.92 KB
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var when = require('when'),
keys = require('when/keys'),
fs = require('fs'),
path = require('path'),
extend = function (obj, source) {
var key;
for (key in source) {
if (source.hasOwnProperty(key)) {
obj[key] = source[key];
}
}
return obj;
},
readDir = function (dir, options, depth) {
depth = depth || 0;
options = extend({
index: true
}, options);
if (depth > 1) {
return null;
}
var subtree = {},
treeDeferred = when.defer(),
treePromise = treeDeferred.promise;
fs.readdir(dir, function (error, files) {
if (error) {
return treeDeferred.reject(error);
}
files = files || [];
files.forEach(function (file) {
var fileDeferred = when.defer(),
filePromise = fileDeferred.promise,
ext = path.extname(file),
name = path.basename(file, ext),
fpath = path.join(dir, file);
subtree[name] = filePromise;
fs.lstat(fpath, function (error, result) {
if (result.isDirectory()) {
fileDeferred.resolve(readDir(fpath, options, depth + 1));
} else {
fileDeferred.resolve(fpath);
}
});
});
return keys.all(subtree).then(function (theFiles) {
return treeDeferred.resolve(theFiles);
});
});
return when(treePromise).then(function (prom) {
return prom;
});
},
readAll = function (dir, options, depth) {
return when(readDir(dir, options, depth)).then(function (paths) {
return paths;
});
};
module.exports = readAll;