tar-iterator
Version:
Extract contents from tar archive type using an iterator API using streams or paths. Use stream interface and pipe transforms to add decompression algorithms
195 lines • 7.45 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "default", {
enumerable: true,
get: function() {
return TarIterator;
}
});
var _calloncefn = /*#__PURE__*/ _interop_require_default(require("call-once-fn"));
var _extractbaseiterator = /*#__PURE__*/ _interop_require_wildcard(require("extract-base-iterator"));
var _gracefulfs = /*#__PURE__*/ _interop_require_default(require("graceful-fs"));
var _nextEntryts = /*#__PURE__*/ _interop_require_default(require("./nextEntry.js"));
var _TarExtractts = /*#__PURE__*/ _interop_require_default(require("./tar/TarExtract.js"));
function _assert_this_initialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _call_super(_this, derived, args) {
derived = _get_prototype_of(derived);
return _possible_constructor_return(_this, _is_native_reflect_construct() ? Reflect.construct(derived, args || [], _get_prototype_of(_this).constructor) : derived.apply(_this, args));
}
function _class_call_check(instance, Constructor) {
if (!(instance instanceof Constructor)) {
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}
}
function _get_prototype_of(o) {
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return o.__proto__ || Object.getPrototypeOf(o);
};
return _get_prototype_of(o);
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
if (superClass) _set_prototype_of(subClass, superClass);
}
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
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var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
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function _possible_constructor_return(self, call) {
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return _assert_this_initialized(self);
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function _set_prototype_of(o, p) {
_set_prototype_of = Object.setPrototypeOf || function setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
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function _type_of(obj) {
"@swc/helpers - typeof";
return obj && typeof Symbol !== "undefined" && obj.constructor === Symbol ? "symbol" : typeof obj;
}
function _is_native_reflect_construct() {
try {
var result = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function() {}));
} catch (_) {}
return (_is_native_reflect_construct = function() {
return !!result;
})();
}
var TarIterator = /*#__PURE__*/ function(BaseIterator) {
"use strict";
_inherits(TarIterator, BaseIterator);
function TarIterator(source) {
var options = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : {};
_class_call_check(this, TarIterator);
var _this;
_this = _call_super(this, TarIterator, [
options
]);
_this.lock = new _extractbaseiterator.Lock();
_this.lock.onDestroy = function(err) {
return _extractbaseiterator.default.prototype.end.call(_this, err);
};
var cancelled = false;
var setup = function() {
cancelled = true;
};
_this.processing.push(setup);
// Use our pure TarExtract instead of tar-stream-compat
// Note: options passed here are ExtractOptions (strip, force, etc.)
// TarExtract uses TarExtractOptions (filenameEncoding, etc.) which is different
_this.extract = new _TarExtractts.default();
var pipe = function(cb) {
try {
if (typeof source === 'string') source = _gracefulfs.default.createReadStream(source);
} catch (err) {
cb(err);
}
// Register cleanup for source stream
var stream = source;
_this.lock.registerCleanup(function() {
var s = stream;
if (typeof s.destroy === 'function') s.destroy();
});
var end = (0, _calloncefn.default)(cb);
var self = _this;
var firstData = true;
source.on('data', function onData(chunk) {
try {
if (self.extract) self.extract.write(chunk);
if (firstData) {
firstData = false;
end();
}
} catch (err) {
// Handle synchronous errors from TarExtract (e.g., invalid format)
end(err);
}
});
source.on('error', end);
source.on('end', function onEnd() {
if (self.extract) self.extract.end();
});
};
pipe(function(err) {
_this.processing.remove(setup);
if (_this.done || cancelled) return; // done
err ? _this.end(err) : _this.push(_nextEntryts.default.bind(null, null));
});
return _this;
}
var _proto = TarIterator.prototype;
_proto.end = function end(err) {
var lock = this.lock;
if (lock) {
this.lock = null; // Clear FIRST to prevent re-entrancy
lock.err = err;
lock.release(); // Lock.__destroy() handles BaseIterator.end()
}
this.extract = null;
};
return TarIterator;
}(_extractbaseiterator.default);
/* 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; }