For this code:
() => return false;
This was the error:
/usr/lib/node_modules/babel/node_modules/babel-core/lib/babel/transformation/file/index.js:634
throw err;
^
SyntaxError: [eval]: Unexpected token (1:7)
> 1 | () => return false;
| ^
at Parser.pp.raise (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/location.js:80:13)
at Parser.pp.unexpected (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/parseutil.js:95:8)
at Parser.pp.parseExprAtom (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:415:12)
at Parser.parseExprAtom (/usr/lib/node_modules/babel/node_modules/babel-core/node_modules/acorn-jsx/inject.js:373:24)
at Parser.pp.parseExprSubscripts (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:232:19)
at Parser.pp.parseMaybeUnary (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:214:19)
at Parser.pp.parseExprOps (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:170:19)
at Parser.pp.parseMaybeConditional (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:153:19)
at Parser.pp.parseMaybeAssign (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:121:19)
at Parser.pp.parseFunctionBody (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:722:22)
at Parser.parseFunctionBody (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/plugins/flow.js:615:20)
at Parser.pp.parseArrowExpression (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:710:8)
at Parser.pp.parseParenArrowList (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:515:15)
at Parser.parseParenArrowList (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/plugins/flow.js:718:20)
at Parser.pp.parseParenAndDistinguishExpression (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:479:19)
at Parser.pp.parseExprAtom (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:372:19)
at Parser.parseExprAtom (/usr/lib/node_modules/babel/node_modules/babel-core/node_modules/acorn-jsx/inject.js:373:24)
at Parser.pp.parseExprSubscripts (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:232:19)
at Parser.pp.parseMaybeUnary (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:214:19)
at Parser.pp.parseExprOps (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:170:19)
at Parser.pp.parseMaybeConditional (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:153:19)
at Parser.pp.parseMaybeAssign (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:121:19)
at Parser.pp.parseExpression (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/expression.js:96:19)
at Parser.pp.parseStatement (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/statement.js:129:23)
at Parser.parseStatement (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/plugins/flow.js:627:22)
at Parser.pp.parseTopLevel (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/statement.js:30:21)
at Object.parse (/usr/lib/node_modules/babel/node_modules/babel-core/lib/acorn/src/index.js:101:12)
at Object.exports.default (/usr/lib/node_modules/babel/node_modules/babel-core/lib/babel/helpers/parse.js:72:19)
at File.parse (/usr/lib/node_modules/babel/node_modules/babel-core/lib/babel/transformation/file/index.js:561:41)
at File.parseCode (/usr/lib/node_modules/babel/node_modules/babel-core/lib/babel/transformation/file/index.js:646:22)
at /usr/lib/node_modules/babel/node_modules/babel-core/lib/babel/transformation/pipeline.js:130:12
at File.wrap (/usr/lib/node_modules/babel/node_modules/babel-core/lib/babel/transformation/file/index.js:610:16)
at Pipeline.transform (/usr/lib/node_modules/babel/node_modules/babel-core/lib/babel/transformation/pipeline.js:128:17)
at _eval (/usr/lib/node_modules/babel/bin/_babel-node:46:16)
at Object.<anonymous> (/usr/lib/node_modules/babel/bin/_babel-node:74:16)
at Module._compile (module.js:426:26)
at Object.Module._extensions..js (module.js:444:10)
at Module.load (module.js:351:32)
at Function.Module._load (module.js:306:12)
at Function.Module.runMain (module.js:467:10)
at startup (node.js:117:18)
at node.js:946:3