check for totalmem before starting compiling

build/lib/compilation.js

@@ -18,6 +18,7 @@ const reporter_1 = require("./reporter");
 const util = require("./util");
 const fancyLog = require("fancy-log");
 const ansiColors = require("ansi-colors");
+const os = require("os");
 const watch = require('./watch');
 const reporter = reporter_1.createReporter();
 function getTypeScriptCompilerOptions(src) {
@@ -69,6 +70,9 @@ function createCompile(src, build, emitError) {
 }
 function compileTask(src, out, build) {
     return function () {
+        if (os.totalmem() < 4000000000) {
+            throw new Error('compilation requires 4GB of RAM');
+        }
         const compile = createCompile(src, build, true);
         const srcPipe = gulp.src(`${src}/**`, { base: `${src}` });
         let generator = new MonacoGenerator(false);

build/lib/compilation.ts

@@ -18,6 +18,7 @@ import { createReporter } from './reporter';
 import * as util from './util';
 import * as fancyLog from 'fancy-log';
 import * as ansiColors from 'ansi-colors';
+import * as os from 'os';
 import ts = require('typescript');
 
 const watch = require('./watch');
@@ -81,6 +82,11 @@ function createCompile(src: string, build: boolean, emitError?: boolean) {
 export function compileTask(src: string, out: string, build: boolean): () => NodeJS.ReadWriteStream {
 
 	return function () {
+
+		if (os.totalmem() < 4_000_000_000) {
+			throw new Error('compilation requires 4GB of RAM');
+		}
+
 		const compile = createCompile(src, build, true);
 		const srcPipe = gulp.src(`${src}/**`, { base: `${src}` });
 		let generator = new MonacoGenerator(false);