microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-07 17:29:36 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Allow rest parameter trailing commas in ambient contexts (#23139)

Browse Source
This commit is contained in:
Andy
2018-04-04 11:33:29 -07:00
committed by GitHub
parent c4a504b3ce
commit 6286c7577d
6 changed files with 37 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/compiler/checker.ts
View File

@@ -26662,7 +26662,9 @@ namespace ts {
if (i !== (parameterCount - 1)) {
return grammarErrorOnNode(parameter.dotDotDotToken, Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list);
}
checkGrammarForDisallowedTrailingComma(parameters, Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma);
if (!(parameter.flags & NodeFlags.Ambient)) { // Allow `...foo,` in ambient declarations; see GH#23070
checkGrammarForDisallowedTrailingComma(parameters, Diagnostics.A_rest_parameter_or_binding_pattern_may_not_have_a_trailing_comma);
}
if (isBindingPattern(parameter.name)) {
return grammarErrorOnNode(parameter.name, Diagnostics.A_rest_element_cannot_contain_a_binding_pattern);