refactor: build with bazel

.aspect/bazelrc/BUILD.bazel

@@ -0,0 +1,15 @@
+"Aspect bazelrc presets; see https://docs.aspect.build/guides/bazelrc"
+
+load("@aspect_bazel_lib//lib:bazelrc_presets.bzl", "write_aspect_bazelrc_presets")
+
+write_aspect_bazelrc_presets(
+    name = "update_aspect_bazelrc_presets",
+    presets = [
+        "bazel7",
+        "convenience",
+        "correctness",
+        "debug",
+        "javascript",
+        "performance",
+    ],
+)

.aspect/bazelrc/bazel7.bazelrc

@@ -0,0 +1,15 @@
+# Speed up all builds by not checking if external repository files have been modified.
+# Docs: https://github.com/bazelbuild/bazel/blob/1af61b21df99edc2fc66939cdf14449c2661f873/src/main/java/com/google/devtools/build/lib/bazel/repository/RepositoryOptions.java#L244
+common --noexperimental_check_external_repository_files
+
+# Don't report when the root module's lower bound for a dependency happens to be less than the resolved version.
+# This is expected and should NOT prompt an engineer to update our lower bound to match.
+# WARNING: For repository 'aspect_bazel_lib', the root module requires module version [email protected],
+# but got [email protected] in the resolved dependency graph.
+common --check_direct_dependencies=off
+
+# Directories used by sandboxed non-worker execution may be reused to avoid unnecessary setup costs.
+# Save time on Sandbox creation and deletion when many of the same kind of action run during the
+# build.
+# Docs: https://bazel.build/reference/command-line-reference#flag--reuse_sandbox_directories
+build --reuse_sandbox_directories

.aspect/bazelrc/convenience.bazelrc

@@ -0,0 +1,28 @@
+# Attempt to build & test every target whose prerequisites were successfully built.
+# Docs: https://bazel.build/docs/user-manual#keep-going
+build --keep_going
+
+# Output test errors to stderr so users don't have to `cat` or open test failure log files when test
+# fail. This makes the log noisier in exchange for reducing the time-to-feedback on test failures for
+# users.
+# Docs: https://bazel.build/docs/user-manual#test-output
+test --test_output=errors
+
+# Show the output files created by builds that requested more than one target. This helps users
+# locate the build outputs in more cases
+# Docs: https://bazel.build/docs/user-manual#show-result
+build --show_result=20
+
+# Bazel picks up host-OS-specific config lines from bazelrc files. For example, if the host OS is
+# Linux and you run bazel build, Bazel picks up lines starting with build:linux. Supported OS
+# identifiers are `linux`, `macos`, `windows`, `freebsd`, and `openbsd`. Enabling this flag is
+# equivalent to using `--config=linux` on Linux, `--config=windows` on Windows, etc.
+# Docs: https://bazel.build/reference/command-line-reference#flag--enable_platform_specific_config
+common --enable_platform_specific_config
+
+# Output a heap dump if an OOM is thrown during a Bazel invocation
+# (including OOMs due to `--experimental_oom_more_eagerly_threshold`).
+# The dump will be written to `<output_base>/<invocation_id>.heapdump.hprof`.
+# You may need to configure CI to capture this artifact and upload for later use.
+# Docs: https://bazel.build/reference/command-line-reference#flag--heap_dump_on_oom
+common --heap_dump_on_oom

.aspect/bazelrc/correctness.bazelrc

@@ -0,0 +1,75 @@
+# Do not upload locally executed action results to the remote cache.
+# This should be the default for local builds so local builds cannot poison the remote cache.
+# It should be flipped to `--remote_upload_local_results` on CI
+# by using `--bazelrc=.aspect/bazelrc/ci.bazelrc`.
+# Docs: https://bazel.build/reference/command-line-reference#flag--remote_upload_local_results
+build --noremote_upload_local_results
+
+# Don't allow network access for build actions in the sandbox.
+# Ensures that you don't accidentally make non-hermetic actions/tests which depend on remote
+# services.
+# Developers should tag targets with `tags=["requires-network"]` to opt-out of the enforcement.
+# Docs: https://bazel.build/reference/command-line-reference#flag--sandbox_default_allow_network
+build --sandbox_default_allow_network=false
+
+# Warn if a test's timeout is significantly longer than the test's actual execution time.
+# Bazel's default for test_timeout is medium (5 min), but most tests should instead be short (1 min).
+# While a test's timeout should be set such that it is not flaky, a test that has a highly
+# over-generous timeout can hide real problems that crop up unexpectedly.
+# For instance, a test that normally executes in a minute or two should not have a timeout of
+# ETERNAL or LONG as these are much, much too generous.
+# Docs: https://bazel.build/docs/user-manual#test-verbose-timeout-warnings
+test --test_verbose_timeout_warnings
+
+# Allow the Bazel server to check directory sources for changes. Ensures that the Bazel server
+# notices when a directory changes, if you have a directory listed in the srcs of some target.
+# Recommended when using
+# [copy_directory](https://github.com/bazel-contrib/bazel-lib/blob/main/docs/copy_directory.md) and
+# [rules_js](https://github.com/aspect-build/rules_js) since npm package are source directories
+# inputs to copy_directory actions.
+# Docs: https://bazel.build/reference/command-line-reference#flag--host_jvm_args
+startup --host_jvm_args=-DBAZEL_TRACK_SOURCE_DIRECTORIES=1
+
+# Allow exclusive tests to run in the sandbox. Fixes a bug where Bazel doesn't enable sandboxing for
+# tests with `tags=["exclusive"]`.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_exclusive_test_sandboxed
+test --incompatible_exclusive_test_sandboxed
+
+# Use a static value for `PATH` and does not inherit `LD_LIBRARY_PATH`. Doesn't let environment
+# variables like `PATH` sneak into the build, which can cause massive cache misses when they change.
+# Use `--action_env=ENV_VARIABLE` if you want to inherit specific environment variables from the
+# client, but note that doing so can prevent cross-user caching if a shared cache is used.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_strict_action_env
+build --incompatible_strict_action_env
+
+# Propagate tags from a target declaration to the actions' execution requirements.
+# Ensures that tags applied in your BUILD file, like `tags=["no-remote"]`
+# get propagated to actions created by the rule.
+# Without this option, you rely on rules authors to manually check the tags you passed
+# and apply relevant ones to the actions they create.
+# See https://github.com/bazelbuild/bazel/issues/8830 for details.
+# Docs: https://bazel.build/reference/command-line-reference#flag--experimental_allow_tags_propagation
+build --experimental_allow_tags_propagation
+fetch --experimental_allow_tags_propagation
+query --experimental_allow_tags_propagation
+
+# Do not automatically create `__init__.py` files in the runfiles of Python targets. Fixes the wrong
+# default that comes from Google's internal monorepo by using `__init__.py` to delimit a Python
+# package. Precisely, when a `py_binary` or `py_test` target has `legacy_create_init` set to `auto (the
+# default), it is treated as false if and only if this flag is set. See
+# https://github.com/bazelbuild/bazel/issues/10076.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_default_to_explicit_init_py
+build --incompatible_default_to_explicit_init_py
+
+# Set default value of `allow_empty` to `False` in `glob()`. This prevents a common mistake when
+# attempting to use `glob()` to match files in a subdirectory that is opaque to the current package
+# because it contains a BUILD file. See https://github.com/bazelbuild/bazel/issues/8195.
+# Docs: https://bazel.build/reference/command-line-reference#flag--incompatible_disallow_empty_glob
+common --incompatible_disallow_empty_glob
+
+# Always download coverage files for tests from the remote cache. By default, coverage files are not
+# downloaded on test result cache hits when --remote_download_minimal is enabled, making it impossible
+# to generate a full coverage report.
+# Docs: https://bazel.build/reference/command-line-reference#flag--experimental_fetch_all_coverage_outputs
+# detching remote cache results
+test --experimental_fetch_all_coverage_outputs

.aspect/bazelrc/debug.bazelrc

@@ -0,0 +1,19 @@
+############################################################
+# Use `bazel test --config=debug` to enable these settings #
+############################################################
+
+# Stream stdout/stderr output from each test in real-time.
+# Docs: https://bazel.build/docs/user-manual#test-output
+test:debug --test_output=streamed
+
+# Run one test at a time.
+# Docs: https://bazel.build/reference/command-line-reference#flag--test_strategy
+test:debug --test_strategy=exclusive
+
+# Prevent long running tests from timing out.
+# Docs: https://bazel.build/docs/user-manual#test-timeout
+test:debug --test_timeout=9999
+
+# Always run tests even if they have cached results.
+# Docs: https://bazel.build/docs/user-manual#cache-test-results
+test:debug --nocache_test_results

.aspect/bazelrc/javascript.bazelrc

@@ -0,0 +1,11 @@
+# Aspect recommended Bazel flags when using Aspect's JavaScript rules: https://github.com/aspect-build/rules_js
+# Docs for Node.js flags: https://nodejs.org/en/docs/guides/debugging-getting-started/#command-line-options
+
+# Support for debugging Node.js tests. Use bazel run with `--config=debug` to turn on the NodeJS
+# inspector agent. The node process will break before user code starts and wait for the debugger to
+# connect. Pass the --inspect-brk option to all tests which enables the node inspector agent. See
+# https://nodejs.org/de/docs/guides/debugging-getting-started/#command-line-options for more
+# details.
+# Docs: https://nodejs.org/en/docs/guides/debugging-getting-started/#command-line-options
+run:debug -- --node_options=--inspect-brk
+test:debug --test_env=NODE_OPTIONS=--inspect-brk

.aspect/bazelrc/performance.bazelrc

@@ -0,0 +1,27 @@
+# Directories used by sandboxed non-worker execution may be reused to avoid unnecessary setup costs.
+# Save time on Sandbox creation and deletion when many of the same kind of action run during the
+# build.
+# No longer experimental in Bazel 6: https://github.com/bazelbuild/bazel/commit/c1a95501a5611878e5cc43a3cc531f2b9e47835b
+# Docs: https://bazel.build/reference/command-line-reference#flag--reuse_sandbox_directories
+build --experimental_reuse_sandbox_directories
+
+# Do not build runfiles symlink forests for external repositories under
+# `.runfiles/wsname/external/repo` (in addition to `.runfiles/repo`). This reduces runfiles &
+# sandbox creation times & prevents accidentally depending on this feature which may flip to off by
+# default in the future. Note, some rules may fail under this flag, please file issues with the rule
+# author.
+# Docs: https://bazel.build/reference/command-line-reference#flag--legacy_external_runfiles
+build --nolegacy_external_runfiles
+
+# Avoid creating a runfiles tree for binaries or tests until it is needed.
+# Docs: https://bazel.build/reference/command-line-reference#flag--build_runfile_links
+# See https://github.com/bazelbuild/bazel/issues/6627
+#
+# This may break local workflows that `build` a binary target, then run the resulting program
+# outside of `bazel run`. In those cases, the script will need to call
+# `bazel build --build_runfile_links //my/binary:target` and then execute the resulting program.
+build --nobuild_runfile_links
+
+# Needed prior to Bazel 8; see
+# https://github.com/bazelbuild/bazel/issues/20577
+coverage --build_runfile_links

.aspect/cli/config.yaml

@@ -0,0 +1,3 @@
+configure:
+  languages:
+    javascript: true

.bazelignore

@@ -0,0 +1,2 @@
+node_modules
+dist

.bazeliskrc

@@ -0,0 +1,2 @@
+BAZELISK_BASE_URL=https://static.aspect.build/aspect
+USE_BAZEL_VERSION=aspect/2024.51.11

.bazelrc

@@ -0,0 +1,13 @@
+# Import Aspect bazelrc presets
+import %workspace%/.aspect/bazelrc/bazel7.bazelrc
+import %workspace%/.aspect/bazelrc/convenience.bazelrc
+import %workspace%/.aspect/bazelrc/correctness.bazelrc
+import %workspace%/.aspect/bazelrc/debug.bazelrc
+import %workspace%/.aspect/bazelrc/javascript.bazelrc
+import %workspace%/.aspect/bazelrc/performance.bazelrc
+
+# honor the setting of `skipLibCheck` in the tsconfig.json file
+common --@aspect_rules_ts//ts:skipLibCheck=honor_tsconfig
+
+# Use "tsc" as the transpiler when ts_project has no `transpiler` set.
+common --@aspect_rules_ts//ts:default_to_tsc_transpiler

.bazelversion

@@ -0,0 +1 @@
+8.0.0

.github/workflows/ci.bazelrc

@@ -0,0 +1,15 @@
+# This file contains Bazel settings to apply on CI only.
+# It is referenced with a --bazelrc option in the call to bazel in ci.yaml
+
+# Debug where options came from
+build --announce_rc
+# This directory is configured in GitHub actions to be persisted between runs.
+# We do not enable the repository cache to cache downloaded external artifacts
+# as these are generally faster to download again than to fetch them from the
+# GitHub actions cache.
+build --disk_cache=~/.cache/bazel
+# Don't rely on test logs being easily accessible from the test runner,
+# though it makes the log noisier.
+test --test_output=errors
+# Allows tests to run bazelisk-in-bazel, since this is the cache folder used
+test --test_env=XDG_CACHE_HOME

.github/workflows/ci.yaml

@@ -9,6 +9,12 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+concurrency:
+  # Cancel previous actions from the same PR or branch except 'main' branch.
+  # See https://docs.github.com/en/actions/using-jobs/using-concurrency and https://docs.github.com/en/actions/learn-github-actions/contexts for more info.
+  group: concurrency-group::${{ github.workflow }}::${{ github.event.pull_request.number > 0 && format('pr-{0}', github.event.pull_request.number) || github.ref_name }}${{ github.ref_name == 'main' && format('::{0}', github.run_id) || ''}}
+  cancel-in-progress: ${{ github.ref_name != 'main' }}
+
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -40,3 +46,36 @@ jobs:
           cache: pnpm
       - run: pnpm install --frozen-lockfile
       - run: pnpm run e2e
+
+  bazel:
+    uses: bazel-contrib/.github/.github/workflows/bazel.yaml@v6
+    with:
+      folders: |
+        [
+          ".",
+        ]
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pre-commit/[email protected]
+  # For branch protection settings, this job provides a "stable" name that can be used to gate PR merges
+  # on "all matrix jobs were successful".
+  conclusion:
+    needs: [test, pre-commit]
+    runs-on: ubuntu-latest
+    if: always()
+    steps:
+      - uses: technote-space/workflow-conclusion-action@45ce8e0eb155657ab8ccf346ade734257fd196a5 # v3.0.3
+
+      # Note: possible conclusion values:
+      # https://github.com/technote-space/workflow-conclusion-action/blob/main/src/constant.ts
+      - name: report success
+        if: ${{ env.WORKFLOW_CONCLUSION == 'success' }}
+        working-directory: /tmp
+        run: echo ${{ env.WORKFLOW_CONCLUSION }} && exit 0
+
+      - name: report failure
+        if: ${{ env.WORKFLOW_CONCLUSION == 'failure' }}
+        working-directory: /tmp
+        run: echo ${{ env.WORKFLOW_CONCLUSION }} && exit 1

.gitignore

@@ -1,5 +1,14 @@
+bazel-*
 build
 dist
+# Bazel's MODULE lockfile isn't ready to check in yet as of Bazel 7.1.
+# Do allow for it to be created, however, since it gives a performance boost for local development.
+# [Store resolved repository attributes in the Bzlmod lockfile](https://github.com/bazelbuild/bazel/issues/19026)
+# [MODULE.bazel.lock file contains user specific paths](https://github.com/bazelbuild/bazel/issues/19621)
+# [Consider skipping bazel_tools@_ from lockfile](https://github.com/bazelbuild/bazel/issues/19971)
+# [MODULE.bazel.lock file "reads through" already-locked package manager](https://github.com/bazelbuild/bazel/issues/20272)
+# [moduleFileHash in MODULE.bazel.lock causes frequent Git merge conflicts](https://github.com/bazelbuild/bazel/issues/20369)
+MODULE.bazel.lock
 node_modules
 .DS_Store
 .terraform

BUILD.bazel

@@ -0,0 +1,53 @@
+load("@aspect_rules_js//js:defs.bzl", "js_library")
+load("@npm//:defs.bzl", "npm_link_all_packages")
+load("//bazel/ts:defs.bzl", "ts_config", "ts_project")
+
+exports_files(
+    [
+        "babel.config.json",
+        "pnpm-lock.yaml",
+    ],
+    visibility = ["//:__subpackages__"],
+)
+
+npm_link_all_packages(name = "node_modules")
+
+ts_project(
+    name = "root",
+    srcs = [
+        "jest.setup.ts",
+    ],
+    visibility = ["//src:__subpackages__"],
+    deps = [
+        ":node_modules/@jest/globals",
+        ":node_modules/jest-extended",
+        "//:node_modules/@types/jest",  # keep
+    ],
+)
+
+ts_config(
+    name = "tsconfig",
+    src = "tsconfig.json",
+    visibility = [
+        "//e2e:__subpackages__",
+        "//src:__subpackages__",
+    ],
+)
+
+js_library(
+    name = "package_json",
+    srcs = ["package.json"],
+    visibility = ["//:__subpackages__"],
+)
+
+js_library(
+    name = "jest_config",
+    srcs = [
+        "jest.config.js",
+    ],
+    visibility = ["//:__subpackages__"],
+    deps = [
+        "//:node_modules/babel-jest",
+        "//:root",
+    ],
+)