Message:
Unknown node type ChainExpression.
Details:
domainEmitter: [object Object]
domainThrown: false
Stack:
Error: Unknown node type ChainExpression.
at Controller.replace (...\node_modules\estraverse\estraverse.js:608:27)
at Object.replace (...\node_modules\estraverse\estraverse.js:651:27)
at unassert (...\node_modules\unassert\index.js:120:23)
at applyUnassertWithoutSourceMap (...\node_modules\gulp-unassert\index.js:74:29)
at transform (...\node_modules\gulp-unassert\index.js:81:33)
at DestroyableTransform._transform (...\node_modules\gulp-unassert\index.js:92:9)
at DestroyableTransform.Transform._read (...\node_modules\readable-stream\lib\_stream_transform.js:184:10)
at DestroyableTransform.Transform._write (...\node_modules\readable-stream\lib\_stream_transform.js:172:83)
at doWrite (...\node_modules\readable-stream\lib\_stream_writable.js:428:64)
at writeOrBuffer (...\node_modules\readable-stream\lib\_stream_writable.js:417:5)
Could you support ES2021?