Toml support

[tiye]

original PR #9 .

[tiye]

需要看看这个报错怎么处理了.

Big integer literals are not available in the configured target environment ("chrome87", "edge88", "es2019", "firefox78", "safari13.1")
10397|  	if ( literal[0]==='-' ) { bigInt = -bigInt; }
10398|  	allowLonger
10399|  	|| -9223372036854775808n<=bigInt && bigInt<=9223372036854775807n// ( min = -(2n**(64n-1n)) || ~max ) <= long <= ( max = 2n**(64n-1n)-1n || ~min )
   |       ^
10400|  	|| throws(RangeError$1(`Integer expect 64 bit range (-9,223,372,036,854,775,808 to 9,223,372,036,854,775,807), not includes ${literal}` + where(' meet at ')));
10401|  	return bigInt;

Big integer literals are not available in the configured target environment ("chrome87", "edge88", "es2019", "firefox78", "safari13.1")
10397|  	if ( literal[0]==='-' ) { bigInt = -bigInt; }
10398|  	allowLonger
10399|  	|| -9223372036854775808n<=bigInt && bigInt<=9223372036854775807n// ( min = -(2n**(64n-1n)) || ~max ) <= long <= ( max = 2n**(64n-1n)-1n || ~min )
   |                                               ^
10400|  	|| throws(RangeError$1(`Integer expect 64 bit range (-9,223,372,036,854,775,808 to 9,223,372,036,854,775,807), not includes ${literal}` + where(' meet at ')));