publish-immutable-action/dist/fs-helper.js

"use strict";
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    if (mod && mod.__esModule) return mod;
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.stageActionFiles = exports.readFileContents = exports.isDirectory = exports.createArchives = exports.removeDir = exports.createTempDir = void 0;
const fs = __importStar(require("fs"));
const fs_extra_1 = __importDefault(require("fs-extra"));
const path = __importStar(require("path"));
const tar = __importStar(require("tar"));
const archiver = __importStar(require("archiver"));
const crypto = __importStar(require("crypto"));
const os = __importStar(require("os"));
function createTempDir() {
    const randomDirName = crypto.randomBytes(4).toString('hex');
    const tempDir = path.join(os.tmpdir(), randomDirName);
    if (!fs.existsSync(tempDir)) {
        fs.mkdirSync(tempDir);
    }
    return tempDir;
}
exports.createTempDir = createTempDir;
function removeDir(dir) {
    if (fs.existsSync(dir)) {
        fs.rmSync(dir, { recursive: true });
    }
}
exports.removeDir = removeDir;
// Creates both a tar.gz and zip archive of the given directory and returns the paths to both archives (stored in the provided target directory)
// as well as the size/sha256 hash of each file.
async function createArchives(distPath, archiveTargetPath = createTempDir()) {
    const zipPath = path.join(archiveTargetPath, `archive.zip`);
    const tarPath = path.join(archiveTargetPath, `archive.tar.gz`);
    const createZipPromise = new Promise((resolve, reject) => {
        const output = fs.createWriteStream(zipPath);
        const archive = archiver.create('zip');
        output.on('error', (err) => {
            reject(err);
        });
        archive.on('error', (err) => {
            reject(err);
        });
        output.on('close', () => {
            resolve(fileMetadata(zipPath));
        });
        archive.pipe(output);
        archive.directory(distPath, false); // TODO: make sure this doesn't include dirs that start with ., same with below
        archive.finalize();
    });
    const createTarPromise = new Promise((resolve, reject) => {
        tar
            .c({
            file: tarPath,
            C: distPath, // Change to the source directory for relative paths (TODO)
            gzip: true
        }, ['.'])
            // eslint-disable-next-line github/no-then
            .catch(err => {
            reject(err);
        })
            // eslint-disable-next-line github/no-then
            .then(() => {
            resolve(fileMetadata(tarPath));
        });
    });
    const [zipFile, tarFile] = await Promise.all([
        createZipPromise,
        createTarPromise
    ]);
    return { zipFile, tarFile };
}
exports.createArchives = createArchives;
function isDirectory(dirPath) {
    return fs.existsSync(dirPath) && fs.lstatSync(dirPath).isDirectory();
}
exports.isDirectory = isDirectory;
function readFileContents(filePath) {
    return fs.readFileSync(filePath);
}
exports.readFileContents = readFileContents;
// Copy actions files from sourceDir to targetDir, excluding files and folders not relevant to the action
// Errors if the repo appears to not contain any action files, such as an action.yml file
function stageActionFiles(actionDir, targetDir) {
    var actionYmlFound = false;
    fs_extra_1.default.copySync(actionDir, targetDir, {
        filter: (src, dest) => {
            const basename = path.basename(src);
            if (basename === 'action.yml' || basename === 'action.yaml') {
                actionYmlFound = true;
            }
            // Filter out hidden folers like .git and .github
            return !basename.startsWith('.');
        }
    });
    if (!actionYmlFound) {
        throw new Error(`No action.yml or action.yaml file found in source repository`);
    }
}
exports.stageActionFiles = stageActionFiles;
// Converts a file path to a filemetadata object by querying the fs for relevant metadata.
async function fileMetadata(filePath) {
    const stats = fs.statSync(filePath);
    const size = stats.size;
    const hash = crypto.createHash('sha256');
    const fileStream = fs.createReadStream(filePath);
    return new Promise((resolve, reject) => {
        fileStream.on('data', data => {
            hash.update(data);
        });
        fileStream.on('end', () => {
            const sha256 = hash.digest('hex');
            resolve({
                path: filePath,
                size,
                sha256: `sha256:${sha256}`
            });
        });
        fileStream.on('error', err => {
            reject(err);
        });
    });
}
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