75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.ZipFile = void 0;
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var _zipBundle = require("../zipBundle");
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/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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class ZipFile {
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constructor(fileName) {
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this._fileName = void 0;
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this._zipFile = void 0;
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this._entries = new Map();
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this._openedPromise = void 0;
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this._fileName = fileName;
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this._openedPromise = this._open();
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}
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async _open() {
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await new Promise((fulfill, reject) => {
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_zipBundle.yauzl.open(this._fileName, {
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autoClose: false
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}, (e, z) => {
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if (e) {
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reject(e);
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return;
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}
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this._zipFile = z;
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this._zipFile.on('entry', entry => {
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this._entries.set(entry.fileName, entry);
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});
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this._zipFile.on('end', fulfill);
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});
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});
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}
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async entries() {
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await this._openedPromise;
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return [...this._entries.keys()];
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}
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async read(entryPath) {
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await this._openedPromise;
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const entry = this._entries.get(entryPath);
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if (!entry) throw new Error(`${entryPath} not found in file ${this._fileName}`);
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return new Promise((resolve, reject) => {
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this._zipFile.openReadStream(entry, (error, readStream) => {
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if (error || !readStream) {
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reject(error || 'Entry not found');
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return;
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}
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const buffers = [];
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readStream.on('data', data => buffers.push(data));
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readStream.on('end', () => resolve(Buffer.concat(buffers)));
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});
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});
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}
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close() {
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var _this$_zipFile;
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(_this$_zipFile = this._zipFile) === null || _this$_zipFile === void 0 || _this$_zipFile.close();
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}
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}
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exports.ZipFile = ZipFile; |