ng build --prod have javaScript heap out of memory error

Question

I am facing the below issue while using ng build --prod.

FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out o

Answer 1

Which Typescript version you are using?

if it is in 2.x.x, update to 2.7.x where they have fixed.

Answer 2

add maximumWarning and maximumError help me

"budgets": [ { "type": "initial", "maximumWarning": "5mb", "maximumError": "12mb" }, { "type": "anyComponentStyle", "maximumWarning": "1mb", "maximumError": "10mb" } ],

Answer 3

I was facing same issue with ionic 3 unit testing.

npm test

was getting memory issue in above command then got it fixed with below commands--

npm install

node --max_old_space_size=8048 ./node_modules/@angular/cli/bin/ng test

It worked for me.

Answer 4

this worked for me:

npm install increase-memory-limit -g

then

increase-memory-limit

for more details, you can check AOT build fails due to "JavaScript heap out of memory