mirror of
https://github.com/Microsoft/vscode
synced 2024-09-13 21:55:38 +00:00
119 lines
9.2 KiB
JavaScript
119 lines
9.2 KiB
JavaScript
"use strict";
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.createAsar = void 0;
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const path = require("path");
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const es = require("event-stream");
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const pickle = require('chromium-pickle-js');
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const Filesystem = require('asar/lib/filesystem');
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const VinylFile = require("vinyl");
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const minimatch = require("minimatch");
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function createAsar(folderPath, unpackGlobs, destFilename) {
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const shouldUnpackFile = (file) => {
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for (let i = 0; i < unpackGlobs.length; i++) {
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if (minimatch(file.relative, unpackGlobs[i])) {
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return true;
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}
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}
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return false;
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};
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const filesystem = new Filesystem(folderPath);
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const out = [];
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// Keep track of pending inserts
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let pendingInserts = 0;
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let onFileInserted = () => { pendingInserts--; };
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// Do not insert twice the same directory
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const seenDir = {};
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const insertDirectoryRecursive = (dir) => {
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if (seenDir[dir]) {
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return;
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}
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let lastSlash = dir.lastIndexOf('/');
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if (lastSlash === -1) {
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lastSlash = dir.lastIndexOf('\\');
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}
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if (lastSlash !== -1) {
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insertDirectoryRecursive(dir.substring(0, lastSlash));
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}
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seenDir[dir] = true;
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filesystem.insertDirectory(dir);
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};
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const insertDirectoryForFile = (file) => {
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let lastSlash = file.lastIndexOf('/');
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if (lastSlash === -1) {
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lastSlash = file.lastIndexOf('\\');
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}
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if (lastSlash !== -1) {
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insertDirectoryRecursive(file.substring(0, lastSlash));
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}
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};
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const insertFile = (relativePath, stat, shouldUnpack) => {
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insertDirectoryForFile(relativePath);
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pendingInserts++;
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// Do not pass `onFileInserted` directly because it gets overwritten below.
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// Create a closure capturing `onFileInserted`.
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filesystem.insertFile(relativePath, shouldUnpack, { stat: stat }, {}).then(() => onFileInserted(), () => onFileInserted());
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};
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return es.through(function (file) {
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if (file.stat.isDirectory()) {
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return;
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}
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if (!file.stat.isFile()) {
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throw new Error(`unknown item in stream!`);
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}
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const shouldUnpack = shouldUnpackFile(file);
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insertFile(file.relative, { size: file.contents.length, mode: file.stat.mode }, shouldUnpack);
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if (shouldUnpack) {
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// The file goes outside of xx.asar, in a folder xx.asar.unpacked
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const relative = path.relative(folderPath, file.path);
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this.queue(new VinylFile({
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base: '.',
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path: path.join(destFilename + '.unpacked', relative),
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stat: file.stat,
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contents: file.contents
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}));
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}
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else {
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// The file goes inside of xx.asar
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out.push(file.contents);
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}
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}, function () {
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const finish = () => {
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{
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const headerPickle = pickle.createEmpty();
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headerPickle.writeString(JSON.stringify(filesystem.header));
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const headerBuf = headerPickle.toBuffer();
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const sizePickle = pickle.createEmpty();
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sizePickle.writeUInt32(headerBuf.length);
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const sizeBuf = sizePickle.toBuffer();
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out.unshift(headerBuf);
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out.unshift(sizeBuf);
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}
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const contents = Buffer.concat(out);
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out.length = 0;
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this.queue(new VinylFile({
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base: '.',
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path: destFilename,
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contents: contents
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}));
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this.queue(null);
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};
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// Call finish() only when all file inserts have finished...
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if (pendingInserts === 0) {
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finish();
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}
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else {
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onFileInserted = () => {
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pendingInserts--;
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if (pendingInserts === 0) {
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finish();
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}
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};
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}
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});
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}
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exports.createAsar = createAsar;
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