tar-iterator/dist/cjs/TarIterator.cjs

Extract contents from tar archive type using an iterator API using streams or paths. Use stream interface and pipe transforms to add decompression algorithms

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "default", {
    enumerable: true,
    get: function() {
        return TarIterator;
    }
});
var _fs = /*#__PURE__*/ _interop_require_default(require("fs"));
var _calloncefn = /*#__PURE__*/ _interop_require_default(require("call-once-fn"));
var _extractbaseiterator = /*#__PURE__*/ _interop_require_default(require("extract-base-iterator"));
var _tarstreamcompat = /*#__PURE__*/ _interop_require_default(require("tar-stream-compat"));
var _Lock = /*#__PURE__*/ _interop_require_default(require("./lib/Lock.cjs"));
var _fifoRemove = /*#__PURE__*/ _interop_require_default(require("./lib/fifoRemove.cjs"));
var _nextEntry = /*#__PURE__*/ _interop_require_default(require("./nextEntry.cjs"));
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)) {
        throw new TypeError("Cannot call a class as a function");
    }
}
function _get_prototype_of(o) {
    _get_prototype_of = Object.setPrototypeOf ? Object.getPrototypeOf : function getPrototypeOf(o) {
        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 _possible_constructor_return(self, call) {
    if (call && (_type_of(call) === "object" || typeof call === "function")) {
        return call;
    }
    return _assert_this_initialized(self);
}
function _set_prototype_of(o, p) {
    _set_prototype_of = Object.setPrototypeOf || function setPrototypeOf(o, p) {
        o.__proto__ = p;
        return o;
    };
    return _set_prototype_of(o, p);
}
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, options) {
        _class_call_check(this, TarIterator);
        var _this;
        _this = _call_super(this, TarIterator, [
            options
        ]);
        _this.lock = new _Lock.default();
        _this.lock.iterator = _this;
        var cancelled = false;
        var setup = function() {
            cancelled = true;
        };
        _this.processing.push(setup);
        _this.extract = _tarstreamcompat.default.extract();
        var pipe = function(cb) {
            try {
                if (typeof source === 'string') source = _fs.default.createReadStream(source);
            } catch (err) {
                cb(err);
            }
            var end = (0, _calloncefn.default)(cb);
            source.on('data', function() {
                return end();
            });
            source.on('error', end);
            source.pipe(_this.extract);
        };
        pipe(function(err) {
            (0, _fifoRemove.default)(_this.processing, setup);
            if (_this.done || cancelled) return; // done
            err ? _this.end(err) : _this.push(_nextEntry.default.bind(null, null));
        });
        return _this;
    }
    var _proto = TarIterator.prototype;
    _proto.end = function end(err) {
        if (this.lock) {
            this.lock.err = err;
            this.lock.release();
            this.lock = null;
        } else {
            _extractbaseiterator.default.prototype.end.call(this, err); // call in lock release so end is properly handled
        }
        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; }