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bootstrap.js
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bootstrap.js
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
//@ts-check
'use strict';
// Simple module style to support node.js and browser environments
(function (globalThis, factory) {
// Node.js
if (typeof exports === 'object') {
module.exports = factory();
}
// Browser
else {
globalThis.MonacoBootstrap = factory();
}
}(this, function () {
const Module = typeof require === 'function' ? require('module') : undefined;
const path = typeof require === 'function' ? require('path') : undefined;
const fs = typeof require === 'function' ? require('fs') : undefined;
//#region global bootstrapping
// increase number of stack frames(from 10, https://github.com/v8/v8/wiki/Stack-Trace-API)
Error.stackTraceLimit = 100;
// Workaround for Electron not installing a handler to ignore SIGPIPE
// (https://github.com/electron/electron/issues/13254)
if (typeof process !== 'undefined') {
process.on('SIGPIPE', () => {
console.error(new Error('Unexpected SIGPIPE'));
});
}
//#endregion
//#region Add support for using node_modules.asar
/**
* @param {string | undefined} appRoot
* @param {boolean} alwaysAddASARPath
*/
function enableASARSupport(appRoot, alwaysAddASARPath) {
if (!path || !Module || typeof process === 'undefined') {
console.warn('enableASARSupport() is only available in node.js environments'); // TODO@sandbox ASAR is currently non-sandboxed only
return;
}
let NODE_MODULES_PATH = appRoot ? path.join(appRoot, 'node_modules') : undefined;
if (!NODE_MODULES_PATH) {
NODE_MODULES_PATH = path.join(__dirname, '../node_modules');
} else {
// use the drive letter casing of __dirname
if (process.platform === 'win32') {
NODE_MODULES_PATH = __dirname.substr(0, 1) + NODE_MODULES_PATH.substr(1);
}
}
const NODE_MODULES_ASAR_PATH = `${NODE_MODULES_PATH}.asar`;
// @ts-ignore
const originalResolveLookupPaths = Module._resolveLookupPaths;
// @ts-ignore
Module._resolveLookupPaths = function (request, parent) {
const paths = originalResolveLookupPaths(request, parent);
if (Array.isArray(paths)) {
let asarPathAdded = false;
for (let i = 0, len = paths.length; i < len; i++) {
if (paths[i] === NODE_MODULES_PATH) {
asarPathAdded = true;
paths.splice(i, 0, NODE_MODULES_ASAR_PATH);
break;
}
}
if (alwaysAddASARPath && !asarPathAdded) {
paths.push(NODE_MODULES_ASAR_PATH);
}
}
return paths;
};
}
//#endregion
//#region URI helpers
/**
* @param {string} path
* @param {{ isWindows?: boolean, scheme?: string, fallbackAuthority?: string }} config
* @returns {string}
*/
function fileUriFromPath(path, config) {
// Since we are building a URI, we normalize any backlsash
// to slashes and we ensure that the path begins with a '/'.
let pathName = path.replace(/\\/g, '/');
if (pathName.length > 0 && pathName.charAt(0) !== '/') {
pathName = `/${pathName}`;
}
/** @type {string} */
let uri;
// Windows: in order to support UNC paths (which start with '//')
// that have their own authority, we do not use the provided authority
// but rather preserve it.
if (config.isWindows && pathName.startsWith('//')) {
uri = encodeURI(`${config.scheme || 'file'}:${pathName}`);
}
// Otherwise we optionally add the provided authority if specified
else {
uri = encodeURI(`${config.scheme || 'file'}://${config.fallbackAuthority || ''}${pathName}`);
}
return uri.replace(/#/g, '%23');
}
//#endregion
//#region NLS helpers
/**
* @returns {{locale?: string, availableLanguages: {[lang: string]: string;}, pseudo?: boolean } | undefined}
*/
function setupNLS() {
// Get the nls configuration as early as possible.
const process = safeProcess();
let nlsConfig = { availableLanguages: {} };
if (process && process.env['VSCODE_NLS_CONFIG']) {
try {
nlsConfig = JSON.parse(process.env['VSCODE_NLS_CONFIG']);
} catch (e) {
// Ignore
}
}
if (nlsConfig._resolvedLanguagePackCoreLocation) {
const bundles = Object.create(null);
nlsConfig.loadBundle = function (bundle, language, cb) {
const result = bundles[bundle];
if (result) {
cb(undefined, result);
return;
}
safeReadNlsFile(nlsConfig._resolvedLanguagePackCoreLocation, `${bundle.replace(/\//g, '!')}.nls.json`).then(function (content) {
const json = JSON.parse(content);
bundles[bundle] = json;
cb(undefined, json);
}).catch((error) => {
try {
if (nlsConfig._corruptedFile) {
safeWriteNlsFile(nlsConfig._corruptedFile, 'corrupted').catch(function (error) { console.error(error); });
}
} finally {
cb(error, undefined);
}
});
};
}
return nlsConfig;
}
/**
* @returns {typeof import('./vs/base/parts/sandbox/electron-sandbox/globals') | undefined}
*/
function safeSandboxGlobals() {
const globals = (typeof self === 'object' ? self : typeof global === 'object' ? global : {});
return globals.vscode;
}
/**
* @returns {import('./vs/base/parts/sandbox/electron-sandbox/globals').ISandboxNodeProcess | NodeJS.Process}
*/
function safeProcess() {
const sandboxGlobals = safeSandboxGlobals();
if (sandboxGlobals) {
return sandboxGlobals.process; // Native environment (sandboxed)
}
if (typeof process !== 'undefined') {
return process; // Native environment (non-sandboxed)
}
return undefined;
}
/**
* @returns {import('./vs/base/parts/sandbox/electron-sandbox/electronTypes').IpcRenderer | undefined}
*/
function safeIpcRenderer() {
const sandboxGlobals = safeSandboxGlobals();
if (sandboxGlobals) {
return sandboxGlobals.ipcRenderer;
}
return undefined;
}
/**
* @param {string[]} pathSegments
* @returns {Promise<string>}
*/
async function safeReadNlsFile(...pathSegments) {
const ipcRenderer = safeIpcRenderer();
if (ipcRenderer) {
return ipcRenderer.invoke('vscode:readNlsFile', ...pathSegments);
}
if (fs && path) {
return (await fs.promises.readFile(path.join(...pathSegments))).toString();
}
throw new Error('Unsupported operation (read NLS files)');
}
/**
* @param {string} path
* @param {string} content
* @returns {Promise<void>}
*/
function safeWriteNlsFile(path, content) {
const ipcRenderer = safeIpcRenderer();
if (ipcRenderer) {
return ipcRenderer.invoke('vscode:writeNlsFile', path, content);
}
if (fs) {
return fs.promises.writeFile(path, content);
}
throw new Error('Unsupported operation (write NLS files)');
}
//#endregion
//#region ApplicationInsights
// Prevents appinsights from monkey patching modules.
// This should be called before importing the applicationinsights module
function avoidMonkeyPatchFromAppInsights() {
if (typeof process === 'undefined') {
console.warn('avoidMonkeyPatchFromAppInsights() is only available in node.js environments');
return;
}
// @ts-ignore
process.env['APPLICATION_INSIGHTS_NO_DIAGNOSTIC_CHANNEL'] = true; // Skip monkey patching of 3rd party modules by appinsights
global['diagnosticsSource'] = {}; // Prevents diagnostic channel (which patches "require") from initializing entirely
}
//#endregion
return {
enableASARSupport,
avoidMonkeyPatchFromAppInsights,
setupNLS,
fileUriFromPath
};
}));