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/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.dev/license
*/
/**
* Script that builds the release output of all packages which have the "release-package
* Bazel tag set. The script builds all those packages and copies the release output to the
* distribution folder within the project.
*/
import type { BuiltPackage } from '@angular/ng-dev';
import { execSync } from 'node:child_process';
import {
chmodSync,
copyFileSync,
cpSync,
existsSync,
lstatSync,
mkdirSync,
readdirSync,
rmSync,
} from 'node:fs';
import { dirname, join } from 'node:path';
/** Name of the Bazel tag that will be used to find release package targets. */
const releaseTargetTag = 'release-package';
/** Path to the project directory. */
const projectDir = join(import.meta.dirname, '../');
/** Command that runs Bazel. */
const bazelCmd = process.env.BAZEL || `pnpm --silent bazel`;
/** Command that queries Bazel for all release package targets. */
const queryPackagesCmd =
`${bazelCmd} query --output=label "attr('tags', '\\[.*${releaseTargetTag}.*\\]', //packages/...) ` +
`intersect kind('ng_package|pkg_npm|^_npm_package rule$', //packages/...)"`;
/** Path for the default distribution output directory. */
const defaultDistPath = join(projectDir, 'dist/releases');
/** Builds the release packages for NPM. */
export function performNpmReleaseBuild(): BuiltPackage[] {
return buildReleasePackages(defaultDistPath, /* config */ 'release');
}
/**
* Builds the release packages as snapshot build. This means that the current
* Git HEAD SHA is included in the version (for easier debugging and back tracing).
*/
export function performDefaultSnapshotBuild(): BuiltPackage[] {
return buildReleasePackages(defaultDistPath, /* config */ 'snapshot');
}
export function performLocalPackageBuild(): BuiltPackage[] {
return buildReleasePackages(defaultDistPath, /* config */ 'local');
}
/**
* Builds the release packages with the given compile mode and copies
* the package output into the given directory.
*/
function buildReleasePackages(
distPath: string,
config: 'release' | 'snapshot' | 'local',
): BuiltPackage[] {
console.log('######################################');
console.log(` Building ${config} packages...`);
console.log('######################################');
// List of targets to build. e.g. "packages/angular/cli:npm_package"
const targets = exec(queryPackagesCmd, true).split(/\r?\n/);
const packageNames = getPackageNamesOfTargets(targets);
const bazelBinPath = join(import.meta.dirname, '../dist/bin');
const getBazelOutputPath = (pkgName: string) =>
join(bazelBinPath, 'packages', pkgName, 'npm_package');
const getDistPath = (pkgName: string) => join(distPath, pkgName);
// Build with "--config=release" or `--config=snapshot` so that Bazel
// runs the workspace stamping script. The stamping script ensures that the
// version placeholder is populated in the release output.
if (!['release', 'snapshot', 'local'].includes(config)) {
throw new Error('Invalid config value: ' + config);
}
const stampConfigArg = `--config=${config}`;
// Walk through each release package and clear previous "npm_package" outputs. This is
// a workaround for: https://github.com/bazelbuild/rules_nodejs/issues/1219. We need to
// do this to ensure that the version placeholders are properly populated.
packageNames.forEach((pkgName) => {
// Directory output is created by the npm_package target
const directoryOutputPath = getBazelOutputPath(pkgName);
// Archive output is created by the npm_package_archive target
const archiveOutputPath = directoryOutputPath + '_archive.tgz';
if (existsSync(directoryOutputPath)) {
chmodRecursiveSync(directoryOutputPath, '0755');
rmSync(directoryOutputPath, { recursive: true, force: true });
}
if (existsSync(archiveOutputPath)) {
chmodSync(archiveOutputPath, '0755');
rmSync(archiveOutputPath, { force: true });
}
});
// Build both the npm_package and npm_package_archive targets for each package
// TODO: Consider switching to only using the archive for publishing
const buildTargets = targets.flatMap((target) => [target, target + '_archive']);
exec(`${bazelCmd} build ${stampConfigArg} ${buildTargets.join(' ')}`);
// Delete the distribution directory so that the output is guaranteed to be clean. Re-create
// the empty directory so that we can copy the release packages into it later.
rmSync(distPath, { force: true, recursive: true, maxRetries: 3 });
mkdirSync(distPath, { recursive: true });
// Copy the package output into the specified distribution folder.
packageNames.forEach((pkgName) => {
// Directory output is created by the npm_package target
const directoryOutputPath = getBazelOutputPath(pkgName);
// Archive output is created by the npm_package_archive target
const archiveOutputPath = directoryOutputPath + '_archive.tgz';
const targetFolder = getDistPath(pkgName);
console.log(`> Copying package output to "${targetFolder}"`);
// Ensure package scope directory exists prior to copying
mkdirSync(dirname(targetFolder), { recursive: true });
// Copy package contents to target directory
cpSync(directoryOutputPath, targetFolder, { recursive: true });
chmodRecursiveSync(targetFolder, '0755');
// Copy archive of package to target directory
const archiveTargetPath = join(distPath, `${pkgName.replace('/', '_')}.tgz`);
copyFileSync(archiveOutputPath, archiveTargetPath);
chmodSync(archiveTargetPath, '0755');
});
return packageNames.map((pkg) => {
return {
// Package names on disk do not have the @ scope prefix and use underscores instead of dashes
name: `@${pkg.replace(/_/g, '-')}`,
outputPath: getDistPath(pkg),
};
});
}
/**
* Gets the package names of the specified Bazel targets.
* e.g. //packages/angular/cli:npm_package = angular/cli
*/
function getPackageNamesOfTargets(targets: string[]): string[] {
return targets.map((targetName) => {
const matches = targetName.match(/\/\/packages\/(.*?):/);
if (matches === null) {
throw Error(
`Found Bazel target with "${releaseTargetTag}" tag, but could not ` +
`determine release output name: ${targetName}`,
);
}
return matches[1];
});
}
/** Executes the given command in the project directory. */
function exec(command: string): void;
/** Executes the given command in the project directory and returns its stdout. */
function exec(command: string, captureStdout: true): string;
function exec(command: string, captureStdout?: true) {
const stdout = execSync(command, {
cwd: projectDir,
stdio: ['inherit', captureStdout ? 'pipe' : 'inherit', 'inherit'],
});
if (captureStdout) {
process.stdout.write(stdout);
return stdout.toString().trim();
}
}
/**
* Recursively changes the permissions (mode) of a directory and all its contents (files and subdirectories).
* @param startPath The starting directory path.
* @param mode The new permissions mode (e.g., 0755).
*/
function chmodRecursiveSync(startPath: string, mode: string): void {
chmodSync(startPath, mode);
const files = readdirSync(startPath);
for (const file of files) {
const filePath = join(startPath, file);
const stat = lstatSync(filePath);
if (stat.isDirectory()) {
chmodRecursiveSync(filePath, mode);
} else {
chmodSync(filePath, mode);
}
}
}