I've run into an issue where running mocha tests a simple check of should.equal(reactComponent, undefined) fail with FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory.
ShouldJS `should.equal` throws JavaScript heap out of memory
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I've traced the issue into
should-format.jsfile insideshould-formatnode module version3.0.3.It seems that the fact the
actualparameter was a React component cause the failure when trying to format the error message.A simple workaround is to rewrite the assert this way:
(reactComponent === undefined).should.be.true();