build fails with Allocation failed - JavaScript heap out of memory

[abhinavmandala]

Getting out of memory error when trying 'yarn build' in mac

<--- Last few GCs --->

[22700:0x103001000] 194082 ms: Mark-sweep 1323.2 (1462.2) -> 1323.1 (1463.2) MB, 1325.4 / 0.0 ms allocation failure GC in old space requested
[22700:0x103001000] 195424 ms: Mark-sweep 1323.1 (1463.2) -> 1323.0 (1426.7) MB, 1341.3 / 0.0 ms last resort GC in old space requested
[22700:0x103001000] 196732 ms: Mark-sweep 1323.0 (1426.7) -> 1323.0 (1426.2) MB, 1308.2 / 0.0 ms last resort GC in old space requested

<--- JS stacktrace --->

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

Security context: 0x90b638258b9
1: push(this=0x90b5b1b76c1 <JSArray[171718]>)
2: /* anonymous /(aka / anonymous */) [/Users/amandala/Documents/code/a/news-bits/node_modules/webpack-sources/lib/applySourceMap.js:~58] [pc=0x2dd689837877](this=0x90bbc9022d1 ,chunk=0x90b6d4c0289 <String[13]: configurable,>,middleMapping=0x90bca40a949 )
3: walk(aka SourceNode_walk) [/Users/amandal...

FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory
1: node::Abort() [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
2: node::FatalException(v8::Isolate*, v8::Localv8::Value, v8::Localv8::Message) [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
3: v8::internal::V8::FatalProcessOutOfMemory(char const*, bool) [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
4: v8::internal::Factory::NewUninitializedFixedArray(int) [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
5: v8::internal::(anonymous namespace)::ElementsAccessorBase<v8::internal::(anonymous namespace)::FastPackedObjectElementsAccessor, v8::internal::(anonymous namespace)::ElementsKindTraits<(v8::internal::ElementsKind)2> >::ConvertElementsWithCapacity(v8::internal::Handlev8::internal::JSObject, v8::internal::Handlev8::internal::FixedArrayBase, v8::internal::ElementsKind, unsigned int, unsigned int, unsigned int, int) [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
6: v8::internal::(anonymous namespace)::ElementsAccessorBase<v8::internal::(anonymous namespace)::FastPackedObjectElementsAccessor, v8::internal::(anonymous namespace)::ElementsKindTraits<(v8::internal::ElementsKind)2> >::GrowCapacityAndConvertImpl(v8::internal::Handlev8::internal::JSObject, unsigned int) [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
7: v8::internal::(anonymous namespace)::ElementsAccessorBase<v8::internal::(anonymous namespace)::FastPackedObjectElementsAccessor, v8::internal::(anonymous namespace)::ElementsKindTraits<(v8::internal::ElementsKind)2> >::Add(v8::internal::Handlev8::internal::JSObject, unsigned int, v8::internal::Handlev8::internal::Object, v8::internal::PropertyAttributes, unsigned int) [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
8: v8::internal::JSObject::AddDataElement(v8::internal::Handlev8::internal::JSObject, unsigned int, v8::internal::Handlev8::internal::Object, v8::internal::PropertyAttributes, v8::internal::Object::ShouldThrow) [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
9: v8::internal::Runtime_SetProperty(int, v8::internal::Object**, v8::internal::Isolate*) [/Users/amandala/.nvm/versions/node/v8.14.0/bin/node]
10: 0x2dd687c842fd
✨ Done in 199.09s.