@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
159 lines • 20 kB
JavaScript
;
/**
* @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.io/license
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.extractLicenses = void 0;
const promises_1 = require("node:fs/promises");
const node_path_1 = __importDefault(require("node:path"));
/**
* The path segment used to signify that a file is part of a package.
*/
const NODE_MODULE_SEGMENT = 'node_modules';
/**
* String constant for the NPM recommended custom license wording.
*
* See: https://docs.npmjs.com/cli/v9/configuring-npm/package-json#license
*
* Example:
* ```
* {
* "license" : "SEE LICENSE IN <filename>"
* }
* ```
*/
const CUSTOM_LICENSE_TEXT = 'SEE LICENSE IN ';
/**
* A list of commonly named license files found within packages.
*/
const LICENSE_FILES = ['LICENSE', 'LICENSE.txt', 'LICENSE.md'];
/**
* Header text that will be added to the top of the output license extraction file.
*/
const EXTRACTION_FILE_HEADER = '';
/**
* The package entry separator to use within the output license extraction file.
*/
const EXTRACTION_FILE_SEPARATOR = '-'.repeat(80) + '\n';
/**
* Extracts license information for each node module package included in the output
* files of the built code. This includes JavaScript and CSS output files. The esbuild
* metafile generated during the bundling steps is used as the source of information
* regarding what input files where included and where they are located. A path segment
* of `node_modules` is used to indicate that a file belongs to a package and its license
* should be include in the output licenses file.
*
* The package name and license field are extracted from the `package.json` file for the
* package. If a license file (e.g., `LICENSE`) is present in the root of the package, it
* will also be included in the output licenses file.
*
* @param metafile An esbuild metafile object.
* @param rootDirectory The root directory of the workspace.
* @returns A string containing the content of the output licenses file.
*/
async function extractLicenses(metafile, rootDirectory) {
let extractedLicenseContent = `${EXTRACTION_FILE_HEADER}\n${EXTRACTION_FILE_SEPARATOR}`;
const seenPaths = new Set();
const seenPackages = new Set();
for (const entry of Object.values(metafile.outputs)) {
for (const [inputPath, { bytesInOutput }] of Object.entries(entry.inputs)) {
// Skip if not included in output
if (bytesInOutput <= 0) {
continue;
}
// Skip already processed paths
if (seenPaths.has(inputPath)) {
continue;
}
seenPaths.add(inputPath);
// Skip non-package paths
if (!inputPath.includes(NODE_MODULE_SEGMENT)) {
continue;
}
// Extract the package name from the path
let baseDirectory = node_path_1.default.join(rootDirectory, inputPath);
let nameOrScope, nameOrFile;
let found = false;
while (baseDirectory !== node_path_1.default.dirname(baseDirectory)) {
const segment = node_path_1.default.basename(baseDirectory);
if (segment === NODE_MODULE_SEGMENT) {
found = true;
break;
}
nameOrFile = nameOrScope;
nameOrScope = segment;
baseDirectory = node_path_1.default.dirname(baseDirectory);
}
// Skip non-package path edge cases that are not caught in the includes check above
if (!found || !nameOrScope) {
continue;
}
const packageName = nameOrScope.startsWith('@')
? `${nameOrScope}/${nameOrFile}`
: nameOrScope;
const packageDirectory = node_path_1.default.join(baseDirectory, packageName);
// Load the package's metadata to find the package's name, version, and license type
const packageJsonPath = node_path_1.default.join(packageDirectory, 'package.json');
let packageJson;
try {
packageJson = JSON.parse(await (0, promises_1.readFile)(packageJsonPath, 'utf-8'));
}
catch {
// Invalid package
continue;
}
// Skip already processed packages
const packageId = `${packageName}@${packageJson.version}`;
if (seenPackages.has(packageId)) {
continue;
}
seenPackages.add(packageId);
// Attempt to find license text inside package
let licenseText = '';
if (typeof packageJson.license === 'string' &&
packageJson.license.toLowerCase().startsWith(CUSTOM_LICENSE_TEXT)) {
// Attempt to load the package's custom license
let customLicensePath;
const customLicenseFile = node_path_1.default.normalize(packageJson.license.slice(CUSTOM_LICENSE_TEXT.length + 1).trim());
if (customLicenseFile.startsWith('..') || node_path_1.default.isAbsolute(customLicenseFile)) {
// Path is attempting to access files outside of the package
// TODO: Issue warning?
}
else {
customLicensePath = node_path_1.default.join(packageDirectory, customLicenseFile);
try {
licenseText = await (0, promises_1.readFile)(customLicensePath, 'utf-8');
break;
}
catch { }
}
}
else {
// Search for a license file within the root of the package
for (const potentialLicense of LICENSE_FILES) {
const packageLicensePath = node_path_1.default.join(packageDirectory, potentialLicense);
try {
licenseText = await (0, promises_1.readFile)(packageLicensePath, 'utf-8');
break;
}
catch { }
}
}
// Generate the package's license entry in the output content
extractedLicenseContent += `Package: ${packageJson.name}\n`;
extractedLicenseContent += `License: ${JSON.stringify(packageJson.license, null, 2)}\n`;
extractedLicenseContent += `\n${licenseText}\n`;
extractedLicenseContent += EXTRACTION_FILE_SEPARATOR;
}
}
return extractedLicenseContent;
}
exports.extractLicenses = extractLicenses;
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This includes JavaScript and CSS output files. The esbuild\n * metafile generated during the bundling steps is used as the source of information\n * regarding what input files where included and where they are located. A path segment\n * of `node_modules` is used to indicate that a file belongs to a package and its license\n * should be include in the output licenses file.\n *\n * The package name and license field are extracted from the `package.json` file for the\n * package. If a license file (e.g., `LICENSE`) is present in the root of the package, it\n * will also be included in the output licenses file.\n *\n * @param metafile An esbuild metafile object.\n * @param rootDirectory The root directory of the workspace.\n * @returns A string containing the content of the output licenses file.\n */\nexport async function extractLicenses(metafile: Metafile, rootDirectory: string) {\n  let extractedLicenseContent = `${EXTRACTION_FILE_HEADER}\\n${EXTRACTION_FILE_SEPARATOR}`;\n\n  const seenPaths = new Set<string>();\n  const seenPackages = new Set<string>();\n\n  for (const entry of Object.values(metafile.outputs)) {\n    for (const [inputPath, { bytesInOutput }] of Object.entries(entry.inputs)) {\n      // Skip if not included in output\n      if (bytesInOutput <= 0) {\n        continue;\n      }\n\n      // Skip already processed paths\n      if (seenPaths.has(inputPath)) {\n        continue;\n      }\n      seenPaths.add(inputPath);\n\n      // Skip non-package paths\n      if (!inputPath.includes(NODE_MODULE_SEGMENT)) {\n        continue;\n      }\n\n      // Extract the package name from the path\n      let baseDirectory = path.join(rootDirectory, inputPath);\n      let nameOrScope, nameOrFile;\n      let found = false;\n      while (baseDirectory !== path.dirname(baseDirectory)) {\n        const segment = path.basename(baseDirectory);\n        if (segment === NODE_MODULE_SEGMENT) {\n          found = true;\n          break;\n        }\n\n        nameOrFile = nameOrScope;\n        nameOrScope = segment;\n        baseDirectory = path.dirname(baseDirectory);\n      }\n\n      // Skip non-package path edge cases that are not caught in the includes check above\n      if (!found || !nameOrScope) {\n        continue;\n      }\n\n      const packageName = nameOrScope.startsWith('@')\n        ? `${nameOrScope}/${nameOrFile}`\n        : nameOrScope;\n      const packageDirectory = path.join(baseDirectory, packageName);\n\n      // Load the package's metadata to find the package's name, version, and license type\n      const packageJsonPath = path.join(packageDirectory, 'package.json');\n      let packageJson;\n      try {\n        packageJson = JSON.parse(await readFile(packageJsonPath, 'utf-8')) as {\n          name: string;\n          version: string;\n          // The object form is deprecated and should only be present in old packages\n          license?: string | { type: string };\n        };\n      } catch {\n        // Invalid package\n        continue;\n      }\n\n      // Skip already processed packages\n      const packageId = `${packageName}@${packageJson.version}`;\n      if (seenPackages.has(packageId)) {\n        continue;\n      }\n      seenPackages.add(packageId);\n\n      // Attempt to find license text inside package\n      let licenseText = '';\n      if (\n        typeof packageJson.license === 'string' &&\n        packageJson.license.toLowerCase().startsWith(CUSTOM_LICENSE_TEXT)\n      ) {\n        // Attempt to load the package's custom license\n        let customLicensePath;\n        const customLicenseFile = path.normalize(\n          packageJson.license.slice(CUSTOM_LICENSE_TEXT.length + 1).trim(),\n        );\n        if (customLicenseFile.startsWith('..') || path.isAbsolute(customLicenseFile)) {\n          // Path is attempting to access files outside of the package\n          // TODO: Issue warning?\n        } else {\n          customLicensePath = path.join(packageDirectory, customLicenseFile);\n          try {\n            licenseText = await readFile(customLicensePath, 'utf-8');\n            break;\n          } catch {}\n        }\n      } else {\n        // Search for a license file within the root of the package\n        for (const potentialLicense of LICENSE_FILES) {\n          const packageLicensePath = path.join(packageDirectory, potentialLicense);\n          try {\n            licenseText = await readFile(packageLicensePath, 'utf-8');\n            break;\n          } catch {}\n        }\n      }\n\n      // Generate the package's license entry in the output content\n      extractedLicenseContent += `Package: ${packageJson.name}\\n`;\n      extractedLicenseContent += `License: ${JSON.stringify(packageJson.license, null, 2)}\\n`;\n      extractedLicenseContent += `\\n${licenseText}\\n`;\n      extractedLicenseContent += EXTRACTION_FILE_SEPARATOR;\n    }\n  }\n\n  return extractedLicenseContent;\n}\n"]}