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c0e615ddde
Switching to lodash-es caused Jest to fail. The standard Jest workflow would be to transpile things with Bazel, but we can do it faster by bundling with esbuild. the log in lib.test.ts has revealed numbers are being set as Long instead of JS numbers, and the published workaround for it is not working :-(
63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
load("@npm//@bazel/typescript:index.bzl", "ts_library")
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load("@esbuild_toolchain//:esbuild.bzl", esbuild = "esbuild_macro")
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load("@npm//jest-cli:index.bzl", _jest_test = "jest_test")
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def jest_test(deps, name = "jest"):
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"Build *.test.ts into a library, then test it with Jest."
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ts_sources = native.glob(["*.test.ts"])
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# compile sources for type checking
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ts_library(
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name = name + "_lib",
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srcs = ts_sources,
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tsconfig = "//ts:tsconfig.json",
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deps = deps + [
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"@npm//@types/jest",
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],
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)
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# bundle each test file up with its dependencies for jest
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bundled_srcs = []
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for ts_src in ts_sources:
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base = ts_src.replace(".test.ts", "")
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bundle_name = base + ".bundle.test"
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bundled_srcs.append(bundle_name)
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esbuild(
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name = bundle_name,
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args = [
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"--resolve-extensions=.mjs,.js",
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"--log-level=warning",
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"--platform=node",
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"--external:protobufjs",
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"--keep-names",
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],
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entry_point = ts_src,
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output = bundle_name + ".js",
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deps = [
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name + "_lib",
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] + deps,
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# the code shaking saves close to a second off the deckconfig/lib.test.ts test
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minify = True,
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)
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# then test them
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_jest_test(
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name = name,
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args = [
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"--no-cache",
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"--no-watchman",
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"--ci",
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"--colors",
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"--config",
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"$(location //ts:jest.config.js)",
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],
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data = bundled_srcs + [
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"//ts:jest.config.js",
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],
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target_compatible_with = select({
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"@platforms//os:osx": [],
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"@platforms//os:linux": [],
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"//conditions:default": ["@platforms//os:linux"],
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}),
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)
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