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PackageToJS: Fix missing Extern detection for Swift 6.2+ #387

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Jul 22, 2025
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PackageToJS: Fix missing Extern detection for Swift 6.2+ #387

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10 changes: 7 additions & 3 deletions Plugins/PackageToJS/Sources/PackageToJSPlugin.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -74,9 +74,13 @@ struct PackageToJSPlugin: CommandPlugin {
(
// In case the SwiftPM target using BridgeJS didn't specify `.enableExperimentalFeature("Extern")`
{ build, arguments in
guard
build.logText.contains("@_extern requires '-enable-experimental-feature Extern'")
else {
let possibleMessages: [String] = [
"@_extern requires '-enable-experimental-feature Extern'",
// Swift 6.2 and later quotes attributes in diagnostics
// https://github.com/swiftlang/swift/pull/80593
"'@_extern' requires '-enable-experimental-feature Extern'",
]
guard possibleMessages.contains(where: build.logText.contains) else {
return nil
}
return """
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