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• [FILE] pack-directory.js

Просмотр файла: pack-directory.js

"use strict";

const path = require("path");
const packlist = require("npm-packlist");
const log = require("npmlog");
const tar = require("tar");
const tempWrite = require("@lerna/temp-write");
const { getPacked } = require("@lerna/get-packed");
const { Package } = require("@lerna/package");
const { runLifecycle } = require("@lerna/run-lifecycle");

module.exports.packDirectory = packDirectory;

/**
 * @typedef {object} PackConfig
 * @property {typeof log} [log]
 * @property {string} [lernaCommand] If "publish", run "prepublishOnly" lifecycle
 * @property {boolean} [ignorePrepublish]
 */

/**
 * Pack a directory suitable for publishing, writing tarball to a tempfile.
 * @param {Package|string} _pkg Package instance or path to manifest
 * @param {string} dir to pack
 * @param {PackConfig} options
 */
function packDirectory(_pkg, dir, options) {
  const pkg = Package.lazy(_pkg, dir);
  const opts = {
    log,
    ...options,
  };

  opts.log.verbose("pack-directory", path.relative(".", pkg.contents));

  let chain = Promise.resolve();

  if (opts.ignorePrepublish !== true) {
    chain = chain.then(() => runLifecycle(pkg, "prepublish", opts));
  }

  chain = chain.then(() => runLifecycle(pkg, "prepare", opts));

  if (opts.lernaCommand === "publish") {
    opts.stdio = "inherit";
    chain = chain.then(() => pkg.refresh());
    chain = chain.then(() => runLifecycle(pkg, "prepublishOnly", opts));
    chain = chain.then(() => pkg.refresh());
  }

  chain = chain.then(() => runLifecycle(pkg, "prepack", opts));
  chain = chain.then(() => pkg.refresh());
  chain = chain.then(() => packlist({ path: pkg.contents }));
  chain = chain.then((files) =>
    tar.create(
      {
        cwd: pkg.contents,
        prefix: "package/",
        portable: true,
        // Provide a specific date in the 1980s for the benefit of zip,
        // which is confounded by files dated at the Unix epoch 0.
        mtime: new Date("1985-10-26T08:15:00.000Z"),
        gzip: true,
      },
      // NOTE: node-tar does some Magic Stuff depending on prefixes for files
      //       specifically with @ signs, so we just neutralize that one
      //       and any such future "features" by prepending `./`
      files.map((f) => `./${f}`)
    )
  );
  chain = chain.then((stream) => tempWrite(stream, getTarballName(pkg)));
  chain = chain.then((tarFilePath) =>
    getPacked(pkg, tarFilePath).then((packed) =>
      Promise.resolve()
        .then(() => runLifecycle(pkg, "postpack", opts))
        .then(() => packed)
    )
  );

  return chain;
}

function getTarballName(pkg) {
  const name =
    pkg.name[0] === "@"
      ? // scoped packages get special treatment
        pkg.name.substr(1).replace(/\//g, "-")
      : pkg.name;

  return `${name}-${pkg.version}.tgz`;
}

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