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Fix another case with instantiation expressions

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Related to #2203
This commit is contained in:
Jarred Sumner
2023-04-09 05:07:28 -07:00
parent c97cb4ec1e
commit e9d6a4042f
1 changed files with 9 additions and 1 deletions
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10
src/js_parser.zig
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@@ -12059,7 +12059,7 @@ fn NewParser_(
.optional_chain = optional_start,
}, left.loc);
},
.t_less_than => {
.t_less_than, .t_less_than_less_than => {
// "a?.<T>()"
if (comptime !is_typescript_enabled) {
try p.lexer.expected(.t_identifier);
@@ -12440,6 +12440,14 @@ fn NewParser_(
left = p.newExpr(E.Binary{ .op = .bin_ge, .left = left, .right = try p.parseExpr(.compare) }, left.loc);
},
.t_less_than_less_than => {
// TypeScript allows type arguments to be specified with angle brackets
// inside an expression. Unlike in other languages, this unfortunately
// appears to require backtracking to parse.
if (is_typescript_enabled and p.trySkipTypeScriptTypeArgumentsWithBacktracking()) {
optional_chain = old_optional_chain;
continue;
}
if (level.gte(.shift)) {
return left;
}