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node_modules/@parcel/watcher/wrapper.js

const path = require('path');
const picomatch = require('picomatch');
const isGlob = require('is-glob');

function normalizeOptions(dir, opts = {}) {
  const { ignore, ...rest } = opts;

  if (Array.isArray(ignore)) {
    opts = { ...rest };

    for (const value of ignore) {
      if (isGlob(value)) {
        if (!opts.ignoreGlobs) {
          opts.ignoreGlobs = [];
        }

        const regex = picomatch.makeRe(value, {
          // We set `dot: true` to workaround an issue with the
          // regular expression on Linux where the resulting
          // negative lookahead `(?!(\\/|^)` was never matching
          // in some cases. See also https://bit.ly/3UZlQDm
          dot: true,
          windows: process.platform === 'win32',
        });
        opts.ignoreGlobs.push(regex.source);
      } else {
        if (!opts.ignorePaths) {
          opts.ignorePaths = [];
        }

        opts.ignorePaths.push(path.resolve(dir, value));
      }
    }
  }

  return opts;
}

exports.createWrapper = (binding) => {
  return {
    writeSnapshot(dir, snapshot, opts) {
      return binding.writeSnapshot(
        path.resolve(dir),
        path.resolve(snapshot),
        normalizeOptions(dir, opts),
      );
    },
    getEventsSince(dir, snapshot, opts) {
      return binding.getEventsSince(
        path.resolve(dir),
        path.resolve(snapshot),
        normalizeOptions(dir, opts),
      );
    },
    async subscribe(dir, fn, opts) {
      dir = path.resolve(dir);
      opts = normalizeOptions(dir, opts);
      await binding.subscribe(dir, fn, opts);

      return {
        unsubscribe() {
          return binding.unsubscribe(dir, fn, opts);
        },
      };
    },
    unsubscribe(dir, fn, opts) {
      return binding.unsubscribe(
        path.resolve(dir),
        fn,
        normalizeOptions(dir, opts),
      );
    }
  };
};

75 lines•1.8 KB

javascript

node_modules/detect-libc/lib/filesystem.js

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// Copyright 2017 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0

'use strict';

const fs = require('fs');

const LDD_PATH = '/usr/bin/ldd';
const SELF_PATH = '/proc/self/exe';
const MAX_LENGTH = 2048;

/**
 * Read the content of a file synchronous
 *
 * @param {string} path
 * @returns {Buffer}
 */
const readFileSync = (path) => {
  const fd = fs.openSync(path, 'r');
  const buffer = Buffer.alloc(MAX_LENGTH);
  const bytesRead = fs.readSync(fd, buffer, 0, MAX_LENGTH, 0);
  fs.close(fd, () => {});
  return buffer.subarray(0, bytesRead);
};

/**
 * Read the content of a file
 *
 * @param {string} path
 * @returns {Promise<Buffer>}
 */
const readFile = (path) => new Promise((resolve, reject) => {
  fs.open(path, 'r', (err, fd) => {
    if (err) {
      reject(err);
    } else {
      const buffer = Buffer.alloc(MAX_LENGTH);
      fs.read(fd, buffer, 0, MAX_LENGTH, 0, (_, bytesRead) => {
        resolve(buffer.subarray(0, bytesRead));
        fs.close(fd, () => {});
      });
    }
  });
});

module.exports = {
  LDD_PATH,
  SELF_PATH,
  readFileSync,
  readFile
};

52 lines•1.1 KB

javascript

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