tswhy‽
A community effort to enrich TypeScript diagnostics.
TS1003
Identifier expected.
Related: TS1002
TS1005
'{0}' expected.
TS1009
Trailing comma not allowed.
TS1010
'*/' expected.
TS1011
An element access expression should take an argument.
TS1013
A rest parameter or binding pattern may not have a trailing comma.
TS1014
A rest parameter must be last in a parameter list.
TS1015
Parameter cannot have question mark and initializer.
TS1016
A required parameter cannot follow an optional parameter.
TS1017
An index signature cannot have a rest parameter.
1 Fix
TS1018
An index signature parameter cannot have an accessibility modifier.
1 Fix
TS1019
An index signature parameter cannot have a question mark.
1 Fix
TS1021
An index signature must have a type annotation.
1 Fix
TS1028
Accessibility modifier already seen.
1 Fix
TS1029
'{0}' modifier must precede '{1}' modifier.
1 Fix
TS1030
'{0}' modifier already seen.
1 Fix
TS1031
'{0}' modifier cannot appear on class elements of this kind.
1 Fix
TS1034
'super' must be followed by an argument list or member access.
2 Fixes
TS1035
Only ambient modules can use quoted names.
TS1036
Statements are not allowed in ambient contexts.
TS1038
A 'declare' modifier cannot be used in an already ambient context.
TS1039
Initializers are not allowed in ambient contexts.
TS1040
'{0}' modifier cannot be used in an ambient context.
TS1042
'{0}' modifier cannot be used here.
TS1044
'{0}' modifier cannot appear on a module or namespace element.
TS1046
Top-level declarations in .d.ts files must start with either a 'declare' or 'export' modifier.
TS1047
A rest parameter cannot be optional.
TS1048
A rest parameter cannot have an initializer.
TS1058
The return type of an async function must either be a valid promise or must not contain a callable 'then' member.
TS1068
Unexpected token. A constructor, method, accessor, or property was expected.
1 Fix
TS1084
Invalid 'reference' directive syntax.
TS1089
'{0}' modifier cannot appear on a constructor declaration.
TS1090
'{0}' modifier cannot appear on a parameter.
TS1091
Only a single variable declaration is allowed in a 'for...in' statement.
2 Fixes