Migrate from yarn to npm

.github/workflows/build_and_test.yml

@@ -336,24 +336,24 @@ jobs:
       run: rust/bridge/node/bin/gen_ts_decl.py --verify
       if: matrix.os == 'ubuntu-latest'
 
-    - run: yarn install --frozen-lockfile
+    - run: npm ci
       working-directory: node
 
-    - run: yarn node-gyp rebuild
+    - run: npx node-gyp rebuild
       working-directory: node
 
-    - run: yarn tsc
+    - run: npm run tsc
       working-directory: node
 
-    - run: yarn lint
+    - run: npm run lint
       if: matrix.os == 'ubuntu-latest'
       working-directory: node
 
-    - run: yarn format -c
+    - run: npm run format -c
       if: matrix.os == 'ubuntu-latest'
       working-directory: node
 
-    - run: yarn test
+    - run: npm run test
       working-directory: node
 
   swift_package:

.github/workflows/npm.yml

@@ -78,7 +78,7 @@ jobs:
       with:
         node-version-file: '.nvmrc'
 
-    - run: npx yarn install --frozen-lockfile
+    - run: npm ci
       working-directory: node
 
     - name: Build for arm64
@@ -196,19 +196,19 @@ jobs:
         path: debuginfo
         merge-multiple: true
 
-    - run: yarn install --frozen-lockfile
+    - run: npm ci
       working-directory: node
 
-    - run: yarn tsc
+    - run: npm run tsc
       working-directory: node
 
-    - run: yarn lint
+    - run: npm run lint
       working-directory: node
 
-    - run: yarn format -c
+    - run: npm run format -c
       working-directory: node
 
-    - run: yarn test
+    - run: npm run test
       working-directory: node
       env:
         PREBUILDS_ONLY: 1

.github/workflows/slow_tests.yml

@@ -219,7 +219,7 @@ jobs:
       with:
         submodules: recursive
     - run: node/docker-prebuildify.sh
-    - run: yarn tsc && yarn test
+    - run: npm run tsc && npm run test
       working-directory: node
       env:
         PREBUILDS_ONLY: 1
@@ -250,7 +250,7 @@ jobs:
     - uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
       with:
         node-version-file: '.nvmrc'
-    - run: npx yarn install --frozen-lockfile
+    - run: npm ci
       working-directory: node
     - name: Build for arm64
       run: npx prebuildify --napi -t ${{ steps.get-nvm-version.outputs.node-version }} --arch arm64

README.md

@@ -162,18 +162,18 @@ To learn about the Swift build process see [``swift/README.md``](swift/)
 You'll need Node installed to build. If you have [nvm][], you can run `nvm use` to select an
 appropriate version automatically.
 
-We use [`yarn`](https://classic.yarnpkg.com/) as our package manager, and `node-gyp` to control building the Rust library.
+We use `npm` as our package manager, and `node-gyp` to control building the Rust library.
 
 ```shell
 $ cd node
 $ nvm use
-$ yarn install
-$ yarn node-gyp rebuild  # clean->configure->build
-$ yarn tsc
-$ yarn test
+$ npm install
+$ npx node-gyp rebuild  # clean->configure->build
+$ npm run tsc
+$ npm run test
 ```
 
-When testing changes locally, you can use `yarn build` to do an incremental rebuild of the Rust library. Alternately, `yarn build-with-debug-level-logs` will rebuild without filtering out debug- and verbose-level logs.
+When testing changes locally, you can use `npm run build` to do an incremental rebuild of the Rust library. Alternately, `npm run build-with-debug-level-logs` will rebuild without filtering out debug- and verbose-level logs.
 
 When exposing new APIs to Node, you will need to run `rust/bridge/node/bin/gen_ts_decl.py` in
 addition to rebuilding.

TESTING.md

@@ -8,7 +8,7 @@ For the most part, libsignal is tested using each language's usual testing infra
 % ./gradlew client:test server:test android:connectedAndroidTest
 
 # Node
-% yarn build && yarn tsc && yarn test
+% npm run build && npm run tsc && npm run test
 
 # Swift
 % ./build_ffi.sh --generate-ffi && swift test

justfile

@@ -18,7 +18,7 @@ format-all:
     cargo fmt
     taplo fmt
     (cd swift && swiftformat --swiftversion 5 .)
-    (cd node && yarn format)
+    (cd node && npm run format)
     (cd java && ./gradlew spotlessApply)
 
 # Same as format-all, but does not actually make changes; merely fails if code is not yet formatted.
@@ -26,13 +26,13 @@ check-format-all:
     cargo fmt --all -- --check
     taplo fmt --check
     (cd swift && swiftformat --swiftversion 5 . --lint)
-    (cd node && yarn format-check)
+    (cd node && npm run format-check)
     (cd java && ./gradlew spotlessCheck)
 
 # Runs some quick local checks; useful to make sure CI will not fail immediately after push.
 check-pre-commit:
     just check-format-all
-    (cd node && yarn lint)
+    (cd node && npm run lint)
     (cd swift && ./verify_error_codes.sh)
     (cd swift && swiftlint lint --strict)
     cargo test --workspace --all-features --verbose --no-fail-fast -- --include-ignored

node/docker-prebuildify.sh

@@ -22,10 +22,10 @@ docker build --build-arg "UID=${UID:-501}" --build-arg "GID=${GID:-501}" --build
 
 # We build both architectures in the same run action to save on intermediates
 # (including downloading dependencies)
-# We run `yarn install` to make sure the correct prebuildify version is used.
+# We run `npm ci` to make sure the correct prebuildify version is used.
 docker run ${IS_TTY:+ -it} --init --rm -v "${PWD}":/home/libsignal/src ${DOCKER_IMAGE} sh -c '
     cd ~/src/node &&
-    npx yarn install --frozen-lockfile &&
+    npm ci &&
     env CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \
         CC=aarch64-linux-gnu-gcc \
         CXX=aarch64-linux-gnu-g++ \