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Current Path: /usr/lib/node_modules/npm/node_modules/graceful-fs

usr / lib / node_modules / npm / node_modules / graceful-fs /

ðŸ“ ..
ðŸ“„ LICENSE(781 B)
ðŸ“„ README.md(4.35 KB)
ðŸ“„ clone.js(401 B)
ðŸ“„ graceful-fs.js(8.75 KB)
ðŸ“„ legacy-streams.js(2.59 KB)
ðŸ“„ package.json(2.36 KB)
ðŸ“„ polyfills.js(9.3 KB)

Editing: legacy-streams.js

var Stream = require('stream').Stream

module.exports = legacy

function legacy (fs) {
  return {
    ReadStream: ReadStream,
    WriteStream: WriteStream
  }

function ReadStream (path, options) {
    if (!(this instanceof ReadStream)) return new ReadStream(path, options);

Stream.call(this);

var self = this;

this.path = path;
    this.fd = null;
    this.readable = true;
    this.paused = false;

this.flags = 'r';
    this.mode = 438; /*=0666*/
    this.bufferSize = 64 * 1024;

options = options || {};

// Mixin options into this
    var keys = Object.keys(options);
    for (var index = 0, length = keys.length; index < length; index++) {
      var key = keys[index];
      this[key] = options[key];
    }

if (this.encoding) this.setEncoding(this.encoding);

if (this.start !== undefined) {
      if ('number' !== typeof this.start) {
        throw TypeError('start must be a Number');
      }
      if (this.end === undefined) {
        this.end = Infinity;
      } else if ('number' !== typeof this.end) {
        throw TypeError('end must be a Number');
      }

if (this.start > this.end) {
        throw new Error('start must be <= end');
      }

this.pos = this.start;
    }

if (this.fd !== null) {
      process.nextTick(function() {
        self._read();
      });
      return;
    }

fs.open(this.path, this.flags, this.mode, function (err, fd) {
      if (err) {
        self.emit('error', err);
        self.readable = false;
        return;
      }

self.fd = fd;
      self.emit('open', fd);
      self._read();
    })
  }

function WriteStream (path, options) {
    if (!(this instanceof WriteStream)) return new WriteStream(path, options);

Stream.call(this);

this.path = path;
    this.fd = null;
    this.writable = true;

this.flags = 'w';
    this.encoding = 'binary';
    this.mode = 438; /*=0666*/
    this.bytesWritten = 0;

options = options || {};

if (this.start !== undefined) {
      if ('number' !== typeof this.start) {
        throw TypeError('start must be a Number');
      }
      if (this.start < 0) {
        throw new Error('start must be >= zero');
      }

this.pos = this.start;
    }

this.busy = false;
    this._queue = [];

if (this.fd === null) {
      this._open = fs.open;
      this._queue.push([this._open, this.path, this.flags, this.mode, undefined]);
      this.flush();
    }
  }
}

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Editing: legacy-streams.js

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