c10d86cbc0
In order to support running "compiler-cli" tests that use the "test_support.ts" utilities on Windows with Bazel, we need to imporve the logic that resolves NPM packages and symlinks them into a temporary directory. A more Bazel idiomatic and windows compatible way of resolving Bazel runfiles is to use the "RUNFILES_MANIFEST" if present. This ensures that the NPM packages can be also symlinked on Windows, and tests can execute properly on Windows. Read more about why this is needed here: * https://github.com/bazelbuild/bazel/issues/3726#issue-257062364 PR Close #28352
49 lines
1.9 KiB
TypeScript
49 lines
1.9 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as fs from 'fs';
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import * as path from 'path';
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/**
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* Gets all built Angular NPM package artifacts by querying the Bazel runfiles.
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* In case there is a runfiles manifest (e.g. on Windows), the packages are resolved
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* through the manifest because the runfiles are not symlinked and cannot be searched
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* within the real filesystem.
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*/
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export function getAngularPackagesFromRunfiles() {
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// Path to the Bazel runfiles manifest if present. This file is present if runfiles are
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// not symlinked into the runfiles directory.
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const runfilesManifestPath = process.env.RUNFILES_MANIFEST_FILE;
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if (!runfilesManifestPath) {
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const packageRunfilesDir = path.join(process.env.RUNFILES !, 'angular/packages');
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return fs.readdirSync(packageRunfilesDir)
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.map(name => ({name, pkgPath: path.join(packageRunfilesDir, name, 'npm_package/')}))
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.filter(({pkgPath}) => fs.existsSync(pkgPath));
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}
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return fs.readFileSync(runfilesManifestPath, 'utf8')
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.split('\n')
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.map(mapping => mapping.split(' '))
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.filter(([runfilePath]) => runfilePath.match(/^angular\/packages\/[\w-]+\/npm_package$/))
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.map(([runfilePath, realPath]) => ({
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name: path.relative('angular/packages', runfilePath).split(path.sep)[0],
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pkgPath: realPath,
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}));
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}
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/**
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* Resolves a NPM package from the Bazel runfiles. We need to resolve the Bazel tree
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* artifacts using a "resolve file" because the NodeJS module resolution does not allow
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* resolving to directory paths.
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*/
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export function resolveNpmTreeArtifact(manifestPath: string, resolveFile = 'package.json') {
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return path.dirname(require.resolve(path.posix.join(manifestPath, resolveFile)));
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}
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