Gecko [ touzafair.com ]

Name	Size	Permission
async_iterator.js	5.82 KB	-rw-r--r--
buffer_list.js	6.19 KB	-rw-r--r--
destroy.js	3.04 KB	-rw-r--r--
end-of-stream.js	3.03 KB	-rw-r--r--
from-browser.js	101 B	-rw-r--r--
from.js	3.06 KB	-rw-r--r--
pipeline.js	2.37 KB	-rw-r--r--
state.js	749 B	-rw-r--r--
stream-browser.js	49 B	-rw-r--r--
stream.js	36 B	-rw-r--r--

Code Editor : from.js

'use strict';

var ERR_INVALID_ARG_TYPE = require('../../../errors').codes.ERR_INVALID_ARG_TYPE;

function from(Readable, iterable, opts) {
  var iterator;

if (iterable && typeof iterable.next === 'function') {
    iterator = iterable;
  } else if (iterable && iterable[Symbol.asyncIterator]) iterator = iterable[Symbol.asyncIterator]();else if (iterable && iterable[Symbol.iterator]) iterator = iterable[Symbol.iterator]();else throw new ERR_INVALID_ARG_TYPE('iterable', ['Iterable'], iterable);

var readable = new Readable(_objectSpread({
    objectMode: true
  }, opts)); // Reading boolean to protect against _read
  // being called before last iteration completion.

var reading = false;

readable._read = function () {
    if (!reading) {
      reading = true;
      next();
    }
  };

function next() {
    return _next2.apply(this, arguments);
  }

function _next2() {
    _next2 = _asyncToGenerator(function* () {
      try {
        var _ref = yield iterator.next(),
            value = _ref.value,
            done = _ref.done;

if (done) {
          readable.push(null);
        } else if (readable.push((yield value))) {
          next();
        } else {
          reading = false;
        }
      } catch (err) {
        readable.destroy(err);
      }
    });
    return _next2.apply(this, arguments);
  }

return readable;
}

module.exports = from;

${this.title}

Code Editor : from.js