Build Failed if flag --prod is included

[sfaizanh]

ionic build ios --prod --release

> linkagoal@ ionic:build /Users/faizanhasan/Documents/Projects/app/
> ionic-app-scripts build "--prod" "--release"

ionic-app-scripts 1.1.4 
build prod started ... 
clean started ... 
clean finished in 2 ms 
copy started ... 
ngc started ... 
ngc finished in 24.89 s 
preprocess started ... 
optimization started ... 
copy finished in 25.47 s 
optimization finished in 24.01 s 
preprocess finished in 24.01 s 
rollup started ... 
rollup: 
commonjs-proxy:/Users/faizanhasan/Documents/Projects/app/node_modules/@angular/core/index.js
has issued a warning: 'default' is not exported by 'node_modules/@angular/core/index.js' 

FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory
 1: node::Abort() [/usr/local/bin/node]
 2: node::FatalException(v8::Isolate*, v8::Local<v8::Value>, v8::Local<v8::Message>) [/usr/local/bin/node]
 3: v8::internal::V8::FatalProcessOutOfMemory(char const*, bool) [/usr/local/bin/node]
 4: v8::internal::Factory::NewFillerObject(int, bool, v8::internal::AllocationSpace) [/usr/local/bin/node]
 5: 
<--- Last few GCs --->

  101723 ms: Mark-sweep 1278.5 (1434.4) -> 1278.5 (1434.4) MB, 1382.2 / 0.0 ms [allocation failure] [GC in old space requested].
  103036 ms: Mark-sweep 1278.5 (1434.4) -> 1278.5 (1434.4) MB, 1313.1 / 0.0 ms [allocation failure] [GC in old space requested].
  104633 ms: Mark-sweep 1278.5 (1434.4) -> 1290.4 (1418.4) MB, 1595.7 / 0.0 ms [last resort gc].
  105860 ms: Mark-sweep 1290.4 (1418.4) -> 1302.4 (1418.4) MB, 1226.4 / 0.0 ms [last resort gc].

<--- JS stacktrace --->

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

Security context: 0x1ec53aacfb51 <JS Object>
    1: decode(aka decode) [/Users/faizanhasan/Documents/Projects/app/node_modules/rollup/dist/rollup.js:~279] [pc=0x8a2f2e871af] (this=0x1ec53aa04381 <undefined>,mappings=0x3ca6f0504201 <Very long string[7061959]>)
    2: render [/Users/faizanhasan/Documents/Projects/app/node_modules/rollup/dist/rollup.js:9705] [pc=0x8a2f2e61541] (this=0x36667cd58109 ...

v8::internal::Runtime_AllocateInTargetSpace(int, v8::internal::Object**, v8::internal::Isolate*) [/usr/local/bin/node]
 6: 0x8a2f29079a7

System Information

Ionic Framework Version: 2.0.1
Ionic CLI Version: 2.2.1
Ionic App Lib Version: 2.2.0
Ionic App Scripts Version: 1.1.4
ios-deploy version: 1.9.1 
ios-sim version: 5.0.6 
OS: macOS Sierra
Node Version: v6.9.4
Xcode version: Xcode 8.2.1 Build version 8C1002

Which @ionic/app-scripts version are you using?
@ionic/app-scripts 1.1.4

"dependencies": {
    "@angular/common": "2.2.1",
    "@angular/compiler": "2.2.1",
    "@angular/compiler-cli": "2.2.1",
    "@angular/core": "2.2.1",
    "@angular/forms": "2.2.1",
    "@angular/http": "2.2.1",
    "@angular/platform-browser": "2.2.1",
    "@angular/platform-browser-dynamic": "2.2.1",
    "@angular/platform-server": "2.2.1",
    "@ionic/storage": "^1.1.7",
    "@types/lodash": "^4.14.50",
    "angular2-elastic": "^0.13.0",
    "angular2-moment": "^1.2.0",
    "ionic-angular": "^2.0.1",
    "ionic-audio": "git://github.com/sfaizanh/ionic-audio.git#2.0",
    "ionic-img-viewer": "^1.2.1",
    "ionic-native": "2.4.1",
    "ionicons": "3.0.0",
    "lodash": "^4.17.4",
    "ng2-sticky-kit": "^2.0.3",
    "ng2-translate": "^5.0.0",
    "rollup-plugin-replace": "^1.1.1",
    "rxjs": "5.0.0-beta.12",
    "socket.io": "^1.7.2",
    "sw-toolbox": "3.4.0",
    "zone.js": "0.6.26"
  },
  "devDependencies": {
    "@ionic/app-scripts": "^1.1.4",
    "typescript": "2.0.9"
  },

[sfaizanh]

Fixed with #768. See changes

[timothybclayton]

I've was able to workaround this issue on Ionic v3.5, Ionic cli 3.4.0, and Node.js 6.9.1. We have a big app with lots of modules and heap space errors occurring every build, whether "ionic serve", or "ionic cordova run --prod".

Modify your ionic.cmd file in C:\Users<user>\AppData\Roaming\npm by adding --max_old_space_size. I set mine to 8096.

@if EXIST "%~dp0\node.exe" (
"%~dp0\node.exe" --max_old_space_size=8048 "%~dp0\node_modules\ionic\bin\ionic" %*
) ELSE (
@SETLOCAL
@set PATHEXT=%PATHEXT:;.JS;=;%
node --max_old_space_size=8048 "%~dp0\node_modules\ionic\bin\ionic" %*
)

Good luck!