fs-iterator
Version:
A file system iterator with filter and asyncIterator iterafaces. Supports Node 0.10 and above
58 lines • 2.55 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "default", {
enumerable: true,
get: function() {
return depthFirst;
}
});
var _indexts = /*#__PURE__*/ _interop_require_default(require("../fs-compat/index.js"));
var _createEntryts = /*#__PURE__*/ _interop_require_default(require("./createEntry.js"));
var _filterts = /*#__PURE__*/ _interop_require_default(require("./filter.js"));
var _statts = /*#__PURE__*/ _interop_require_default(require("./stat.js"));
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function isDirectory(entry) {
if (entry.realStats) return entry.realStats.isDirectory();
return entry.stats.isDirectory();
}
function depthFirst(item, iterator, callback) {
var depth = item.depth;
var entry = (0, _createEntryts.default)(iterator, item);
item = null; // release reference
(0, _statts.default)(iterator, entry, function statCallback(err) {
if (err || iterator.isDone()) return callback(err);
(0, _filterts.default)(iterator, entry, function filterCallback(err, keep) {
if (err || !keep || iterator.isDone()) return callback(err);
// not a directory or is a directory, but next level is too deep
if (!isDirectory(entry) || depth + 1 > iterator.depth) return callback(null, {
done: false,
value: entry
});
// get files in this directory
_indexts.default.readdir(entry.fullPath, iterator.readdirOptions, function(err, files) {
if (err || iterator.isDone()) return callback(err);
if (files.length) {
var stackItems = files.map(function(x) {
return depthFirst.bind(null, {
path: entry.path,
depth: depth + 1,
basename: x
});
}).reverse();
iterator.push.apply(iterator, stackItems);
}
return callback(null, {
done: false,
value: entry
});
});
});
});
}
/* CJS INTEROP */ if (exports.__esModule && exports.default) { try { Object.defineProperty(exports.default, '__esModule', { value: true }); for (var key in exports) { exports.default[key] = exports[key]; } } catch (_) {}; module.exports = exports.default; }