mirror of
https://github.com/angular/angular
synced 2026-05-24 09:28:37 +00:00
b757b1387c
The dev-infra build tooling is now decoupled from `ng-dev`. This will make it easier to update `ng-dev` without necessarily needing to upgrade the whole build system, Bazel etc. This is useful when e.g. new release tool features have been added and should also be ported to active LTS branches. PR Close #46976
83 lines
3.3 KiB
Python
83 lines
3.3 KiB
Python
load("//devtools:packages.bzl", "ANGULAR_PACKAGES")
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load("@npm//@angular/build-tooling/bazel/esbuild:index.bzl", "esbuild")
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load("@build_bazel_rules_nodejs//internal/linker:link_node_modules.bzl", "LinkerPackageMappingInfo")
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load("@build_bazel_rules_nodejs//:providers.bzl", "ExternalNpmPackageInfo", "JSModuleInfo")
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"""
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Starlark file exposing a definition for generating Angular linker-processed ESM bundles
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for all entry-points the Angular framework packages expose.
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These linker-processed ESM bundles are useful as they can be integrated into the
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spec bundling, or dev-app to avoid unnecessary re-linking of framework entry-points
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every time the bundler executes. This helps with the overall development turnaround and
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is more idiomatic as it allows caching of the Angular framework packages.
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"""
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def _linker_mapping_impl(ctx):
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return [
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# Pass through the `ExternalNpmPackageInfo` which is needed for the linker
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# resolving dependencies which might be external. e.g. `rxjs` for `@angular/core`.
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ctx.attr.package[ExternalNpmPackageInfo],
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JSModuleInfo(
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direct_sources = depset(ctx.files.srcs),
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sources = depset(ctx.files.srcs),
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),
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LinkerPackageMappingInfo(
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mappings = depset([
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struct(
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package_name = ctx.attr.module_name,
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package_path = "",
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link_path = "%s/%s" % (ctx.label.package, ctx.attr.subpath),
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),
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]),
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node_modules_roots = depset([]),
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),
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]
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_linker_mapping = rule(
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implementation = _linker_mapping_impl,
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attrs = {
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"package": attr.label(),
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"srcs": attr.label_list(allow_files = False),
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"subpath": attr.string(),
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"module_name": attr.string(),
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},
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)
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def _get_target_name_base(pkg, entry_point):
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return "%s%s" % (pkg.name, "_%s" % entry_point if entry_point else "")
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def _create_bundle_targets(pkg, entry_point, module_name):
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target_name_base = _get_target_name_base(pkg, entry_point)
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fesm_bundle_path = "fesm2020/%s.mjs" % (entry_point if entry_point else pkg.name)
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esbuild(
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name = "%s_linked_bundle" % target_name_base,
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output = "%s/index.mjs" % target_name_base,
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platform = pkg.platform,
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entry_point = "@npm//:node_modules/@angular/%s/%s" % (pkg.name, fesm_bundle_path),
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config = "//devtools/tools/esbuild:esbuild_config_esm",
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# List of dependencies which should never be bundled into these linker-processed bundles.
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external = ["rxjs", "@angular", "domino", "xhr2"],
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)
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_linker_mapping(
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name = "%s_linked" % target_name_base,
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srcs = [":%s_linked_bundle" % target_name_base],
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package = "@npm//@angular/%s" % pkg.name,
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module_name = module_name,
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subpath = target_name_base,
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)
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def create_angular_bundle_targets():
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for pkg in ANGULAR_PACKAGES:
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_create_bundle_targets(pkg, None, pkg.module_name)
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for entry_point in pkg.entry_points:
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_create_bundle_targets(pkg, entry_point, "%s/%s" % (pkg.module_name, entry_point))
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LINKER_PROCESSED_FW_PACKAGES = [
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"//devtools/tools/esbuild:%s_linked" % _get_target_name_base(pkg, entry_point)
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for pkg in ANGULAR_PACKAGES
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for entry_point in [None] + pkg.entry_points
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]
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