Angular 2 AoT Heep Errors

AoT compilation resulting in " JavaScript heap out of memory" error

I am trying to compile my project by following the AoT guide available on angular.io

Below is my typesccript configuration file for aot

{
  "compilerOptions": {
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "module": "es2015",
    "moduleResolution": "node",
    "noImplicitAny": false,
    "suppressImplicitAnyIndexErrors": true,
    "noEmitOnError": true,
    "removeComments": true,
    "sourceMap": false,
    "target": "es5",
    "outDir": "../content/app/"
  },
  "angularCompilerOptions": {
    "genDir": "aot",
    "skipMetadataEmit": true
  },
  "exclude": [
    "node_modules",
    "typings/main",
    "typings/main.d.ts"
  ]
}

I am compiling using below command:

D:\MyProject\node_modules\.bin>ngc -p ../../app/tsconfig-aot.json

It takes times in compilation and ends up with below errors:

<--- Last few GCs --->

  215225 ms: Mark-sweep 1327.9 (1434.3) -> 1316.1 (1434.3) MB, 1233.5 / 0.0 ms [allocation failure] [GC in old space requested].
  216639 ms: Mark-sweep 1316.1 (1434.3) -> 1316.1 (1434.3) MB, 1413.5 / 0.0 ms [allocation failure] [GC in old space requested].
  217985 ms: Mark-sweep 1316.1 (1434.3) -> 1320.4 (1403.3) MB, 1346.7 / 0.0 ms [last resort gc].
  219337 ms: Mark-sweep 1320.4 (1403.3) -> 1324.6 (1403.3) MB, 1351.5 / 0.0 ms [last resort gc].


<--- JS stacktrace --->

==== JS stack trace =========================================

Security context: 00000023CEBCFB61 <JS Object>
    1: copyProperties [D:\MyProject\node_modules\typescript\lib\typescript.js:1462] [pc=000001870A3EC95C] (this=000000AAE12C6A41 <an Object with map 00000279F6259FA1>,source=000002E70921E389 <an Object with map 00000279F62D8539>,target=000002ED3C5C7691 <an Object with map 000000D6F40CD1C9>)
    2: objectTypeRelatedTo [D:\MyProject\node_modules\typescript\lib\typescript.js:...

FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory

D:\MyProject\node_modules\.bin>

The project I am trying to compile has 467 files.

[tbosch]

So we need to do 2 things:

• allow build tools to compile big applications as multiple compilation units (i.e. multiple invocations of ngc). We already do this internally at Google, and we need to find a way to make this work nicely externally as well
• change ngc’s memory consumption to be independent of the project size

[lazarljubenovic]

Even if it really was a bug, you still have to fill out the template which was presented to you while opening this issue (which you apparently just deleted).