Vscode merge (#4582)

* Merge from vscode 37cb23d3dd4f9433d56d4ba5ea3203580719a0bd

* fix issues with merges

* bump node version in azpipe

* replace license headers

* remove duplicate launch task

* fix build errors

* fix build errors

* fix tslint issues

* working through package and linux build issues

* more work

* wip

* fix packaged builds

* working through linux build errors

* wip

* wip

* wip

* fix mac and linux file limits

* iterate linux pipeline

* disable editor typing

* revert series to parallel

* remove optimize vscode from linux

* fix linting issues

* revert testing change

* add work round for new node

* readd packaging for extensions

* fix issue with angular not resolving decorator dependencies

build/lib/task.js

@@ -0,0 +1,96 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+Object.defineProperty(exports, "__esModule", { value: true });
+const fancyLog = require("fancy-log");
+const ansiColors = require("ansi-colors");
+function _isPromise(p) {
+    if (typeof p.then === 'function') {
+        return true;
+    }
+    return false;
+}
+function _renderTime(time) {
+    return `${Math.round(time)} ms`;
+}
+async function _execute(task) {
+    const name = task.taskName || task.displayName || `<anonymous>`;
+    if (!task._tasks) {
+        fancyLog('Starting', ansiColors.cyan(name), '...');
+    }
+    const startTime = process.hrtime();
+    await _doExecute(task);
+    const elapsedArr = process.hrtime(startTime);
+    const elapsedNanoseconds = (elapsedArr[0] * 1e9 + elapsedArr[1]);
+    if (!task._tasks) {
+        fancyLog(`Finished`, ansiColors.cyan(name), 'after', ansiColors.magenta(_renderTime(elapsedNanoseconds / 1e6)));
+    }
+}
+async function _doExecute(task) {
+    // Always invoke as if it were a callback task
+    return new Promise((resolve, reject) => {
+        if (task.length === 1) {
+            // this is a calback task
+            task((err) => {
+                if (err) {
+                    return reject(err);
+                }
+                resolve();
+            });
+            return;
+        }
+        const taskResult = task();
+        if (typeof taskResult === 'undefined') {
+            // this is a sync task
+            resolve();
+            return;
+        }
+        if (_isPromise(taskResult)) {
+            // this is a promise returning task
+            taskResult.then(resolve, reject);
+            return;
+        }
+        // this is a stream returning task
+        taskResult.on('end', _ => resolve());
+        taskResult.on('error', err => reject(err));
+    });
+}
+function series(...tasks) {
+    const result = async () => {
+        for (let i = 0; i < tasks.length; i++) {
+            await _execute(tasks[i]);
+        }
+    };
+    result._tasks = tasks;
+    return result;
+}
+exports.series = series;
+function parallel(...tasks) {
+    const result = async () => {
+        await Promise.all(tasks.map(t => _execute(t)));
+    };
+    result._tasks = tasks;
+    return result;
+}
+exports.parallel = parallel;
+function define(name, task) {
+    if (task._tasks) {
+        // This is a composite task
+        const lastTask = task._tasks[task._tasks.length - 1];
+        if (lastTask._tasks || lastTask.taskName) {
+            // This is a composite task without a real task function
+            // => generate a fake task function
+            return define(name, series(task, () => Promise.resolve()));
+        }
+        lastTask.taskName = name;
+        task.displayName = name;
+        return task;
+    }
+    // This is a simple task
+    task.taskName = name;
+    task.displayName = name;
+    return task;
+}
+exports.define = define;