@@ -15,18 +15,21 @@ jobs:
1515 - os : ubuntu-24.04
1616 toolchain :
1717 download-url : https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT-SNAPSHOT-2025-12-01-a/swift-DEVELOPMENT-SNAPSHOT-2025-12-01-a-ubuntu24.04.tar.gz
18+ swift-syntax-version : " 603.0.0"
1819 wasi-backend : Node
1920 target : " wasm32-unknown-wasip1"
2021 env : |
2122 JAVASCRIPTKIT_DISABLE_TRACING_TRAIT=1
2223 - os : ubuntu-24.04
2324 toolchain :
2425 download-url : https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DEVELOPMENT-SNAPSHOT-2026-03-05-a/swift-6.3-DEVELOPMENT-SNAPSHOT-2026-03-05-a-ubuntu24.04.tar.gz
26+ swift-syntax-version : " 603.0.0"
2527 wasi-backend : Node
2628 target : " wasm32-unknown-wasip1"
2729 - os : ubuntu-22.04
2830 toolchain :
2931 download-url : https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT-SNAPSHOT-2025-12-01-a/swift-DEVELOPMENT-SNAPSHOT-2025-12-01-a-ubuntu22.04.tar.gz
32+ swift-syntax-version : " 603.0.0"
3033 wasi-backend : Node
3134 target : " wasm32-unknown-wasip1-threads"
3235
@@ -53,17 +56,25 @@ jobs:
5356 run : |
5457 echo "SWIFT_SDK_ID=${{ steps.setup-swiftwasm.outputs.swift-sdk-id }}" >> $GITHUB_ENV
5558 echo "SWIFT_BIN_PATH=$(dirname $(which swiftc))" >> $GITHUB_ENV
59+ - uses : swiftwasm/setup-swift-syntax-prebuilts@v1
60+ id : swiftsyntax-prebuilts
61+ with :
62+ swift-syntax-version : ${{ matrix.entry.swift-syntax-version }}
5663 - run : make bootstrap
5764 - run : make unittest
5865 # Skip unit tests with uwasi because its proc_exit throws
5966 # unhandled promise rejection.
6067 if : ${{ matrix.entry.wasi-backend != 'MicroWASI' }}
68+ env :
69+ SWIFT_PACKAGE_FLAGS : ${{ steps.swiftsyntax-prebuilts.outputs.swift-flags }}
6170 - name : Check if SwiftPM resources are stale
6271 run : |
6372 make regenerate_swiftpm_resources
6473 git diff --exit-code Sources/JavaScriptKit/Runtime
65- - run : swift test --package-path ./Plugins/PackageToJS
66- - run : swift test --package-path ./Plugins/BridgeJS
74+ - run : swift test ${{ steps.swiftsyntax-prebuilts.outputs.swift-flags }} --package-path ./Plugins/PackageToJS
75+ - run : swift test ${{ steps.swiftsyntax-prebuilts.outputs.swift-flags }} --package-path ./Plugins/BridgeJS
76+ env :
77+ BRIDGEJS_OVERRIDE_SWIFT_SYNTAX_VERSION : ${{ matrix.entry.swift-syntax-version }}
6778 - name : Validate BridgeJS TypeScript declarations
6879 run : npm run check:bridgejs-dts
6980
@@ -85,12 +96,14 @@ jobs:
8596 node-version : ' 20'
8697 - name : Install TypeScript
8798 run : npm install
99+ - uses : swiftwasm/setup-swift-syntax-prebuilts@v1
100+ id : swiftsyntax-prebuilts
101+ with :
102+ swift-syntax-version : ${{ matrix.entry.swift-syntax-version }}
88103 - name : Validate BridgeJS TypeScript declarations
89104 run : npm run check:bridgejs-dts
90105 - name : Run BridgeJS tests
91- # NOTE: Seems like the prebuilt SwiftSyntax binaries are not compatible with
92- # non-macro dependents, so disable experimental prebuilts for now.
93- run : swift test --disable-experimental-prebuilts --package-path ./Plugins/BridgeJS
106+ run : swift test ${{ steps.swiftsyntax-prebuilts.outputs.swift-flags }} --package-path ./Plugins/BridgeJS
94107 env :
95108 BRIDGEJS_OVERRIDE_SWIFT_SYNTAX_VERSION : ${{ matrix.entry.swift-syntax-version }}
96109
@@ -144,8 +157,14 @@ jobs:
144157 - uses : ./.github/actions/install-swift
145158 with :
146159 download-url : https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT-SNAPSHOT-2025-09-14-a/swift-DEVELOPMENT-SNAPSHOT-2025-09-14-a-ubuntu22.04.tar.gz
160+ - uses : swiftwasm/setup-swift-syntax-prebuilts@v1
161+ id : swiftsyntax-prebuilts
162+ with :
163+ swift-syntax-version : " 600.0.1"
147164 - run : make bootstrap
148165 - run : ./Utilities/bridge-js-generate.sh
166+ env :
167+ SWIFT_PACKAGE_FLAGS : ${{ steps.swiftsyntax-prebuilts.outputs.swift-flags }}
149168 - name : Check if BridgeJS generated files are up-to-date
150169 run : |
151170 git config --global --add safe.directory "$GITHUB_WORKSPACE"
@@ -167,12 +186,17 @@ jobs:
167186 - uses : swiftwasm/setup-swiftwasm@v2
168187 id : setup-wasm32-unknown-wasip1-threads
169188 with : { target: wasm32-unknown-wasip1-threads }
189+ - uses : swiftwasm/setup-swift-syntax-prebuilts@v1
190+ id : swiftsyntax-prebuilts
191+ with :
192+ swift-syntax-version : " 603.0.0"
170193 - run : |
171194 swift --version
172195 ./Utilities/build-examples.sh
173196 env:
174197 SWIFT_SDK_ID_wasm32_unknown_wasip1_threads: ${{ steps.setup-wasm32-unknown-wasip1-threads.outputs.swift-sdk-id }}
175198 SWIFT_SDK_ID_wasm32_unknown_wasip1: ${{ steps.setup-wasm32-unknown-wasip1.outputs.swift-sdk-id }}
199+ SWIFT_PACKAGE_FLAGS: ${{ steps.swiftsyntax-prebuilts.outputs.swift-flags }}
176200 - run : ./Utilities/prepare-gh-pages.sh
177201 - name : Upload static files as artifact
178202 id : deployment
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