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--downlevelIteration errors should mention using later targets

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Alexander T 2018-10-25 18:38:13 +03:00 committed by Alexander
parent 6e8e5c10dd
commit c70cd38e98
2 changed files with 3 additions and 3 deletions
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2
src/compiler/checker.ts
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@ -25209,7 +25209,7 @@ namespace ts {
? downlevelIteration
? Diagnostics.Type_0_is_not_an_array_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator
: isIterable
? Diagnostics.Type_0_is_not_an_array_type_Use_compiler_option_downlevelIteration_to_allow_iterating_of_iterators
? Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_Use_compiler_option_downlevelIteration_to_allow_iterating_of_iterators
: Diagnostics.Type_0_is_not_an_array_type
: downlevelIteration
? Diagnostics.Type_0_is_not_an_array_type_or_a_string_type_or_does_not_have_a_Symbol_iterator_method_that_returns_an_iterator

4
tests/baselines/reference/ES5For-ofTypeCheck14.errors.txt
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@ -1,8 +1,8 @@
tests/cases/conformance/statements/for-ofStatements/ES5For-ofTypeCheck14.ts(2,17): error TS2568: Type 'Set<number>' is not an array type. Use compiler option '--downlevelIteration' to allow iterating of iterators.
tests/cases/conformance/statements/for-ofStatements/ES5For-ofTypeCheck14.ts(2,17): error TS2568: Type 'Set<number>' is not an array type. Either use the '--downlevelIteration' compiler option to allow iterating on iterators, or set the '--target' option to 'es2015' or above.
==== tests/cases/conformance/statements/for-ofStatements/ES5For-ofTypeCheck14.ts (1 errors) ====
var union: string | Set<number>
for (const e of union) { }
~~~~~
!!! error TS2568: Type 'Set<number>' is not an array type. Use compiler option '--downlevelIteration' to allow iterating of iterators.
!!! error TS2568: Type 'Set<number>' is not an array type. Either use the '--downlevelIteration' compiler option to allow iterating on iterators, or set the '--target' option to 'es2015' or above.