Allow inlined-value usage of type-only const enums

jablko · jablko · commit d3817e2921c4 · 2022-02-03T09:57:18.000-07:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -2235,7 +2235,7 @@ namespace ts {
                         error(errorLocation, Diagnostics.Parameter_0_cannot_reference_identifier_1_declared_after_it, declarationNameToString(associatedDeclarationForContainingInitializerOrBindingName.name), declarationNameToString(errorLocation as Identifier));
                     }
                 }
-                if (result && errorLocation && meaning & SymbolFlags.Value && result.flags & SymbolFlags.Alias && !(result.flags & SymbolFlags.Value) && !isValidTypeOnlyAliasUseSite(errorLocation)) {
+                if (result && errorLocation && meaning & SymbolFlags.Value && result.flags & SymbolFlags.Alias && !(result.flags & SymbolFlags.Value) && !isValidTypeOnlyAliasUseSite(errorLocation) && (compilerOptions.isolatedModules || !isConstEnumOrConstEnumOnlyModule(resolveAlias(result)))) {
                     const typeOnlyDeclaration = getTypeOnlyAliasDeclaration(result);
                     if (typeOnlyDeclaration) {
                         const message = typeOnlyDeclaration.kind === SyntaxKind.ExportSpecifier

Original file line number	Diff line number	Diff line change
`@@ -2235,7 +2235,7 @@ namespace ts {`
`2235`	`2235`	`error(errorLocation, Diagnostics.Parameter_0_cannot_reference_identifier_1_declared_after_it, declarationNameToString(associatedDeclarationForContainingInitializerOrBindingName.name), declarationNameToString(errorLocation as Identifier));`
`2236`	`2236`	`}`
`2237`	`2237`	`}`
`2238`		`- if (result && errorLocation && meaning & SymbolFlags.Value && result.flags & SymbolFlags.Alias && !(result.flags & SymbolFlags.Value) && !isValidTypeOnlyAliasUseSite(errorLocation)) {`
	`2238`	`+ if (result && errorLocation && meaning & SymbolFlags.Value && result.flags & SymbolFlags.Alias && !(result.flags & SymbolFlags.Value) && !isValidTypeOnlyAliasUseSite(errorLocation) && (compilerOptions.isolatedModules \|\| !isConstEnumOrConstEnumOnlyModule(resolveAlias(result)))) {`
`2239`	`2239`	`const typeOnlyDeclaration = getTypeOnlyAliasDeclaration(result);`
`2240`	`2240`	`if (typeOnlyDeclaration) {`
`2241`	`2241`	`const message = typeOnlyDeclaration.kind === SyntaxKind.ExportSpecifier`