Gecko [ gandhischool.edu.np ]

Name	Size	Permission
test	[ DIR ]	dr-xr-xr-x
.travis.yml	69 B	-rw-rw-rw-
LICENCE	1.03 KB	-rw-rw-rw-
README.md	1 KB	-rw-rw-rw-
index.js	1.84 KB	-rw-rw-rw-
package.json	915 B	-rw-rw-rw-

Code Editor : index.js

var Stream = require("stream")
var writeMethods = ["write", "end", "destroy"]
var readMethods = ["resume", "pause"]
var readEvents = ["data", "close"]
var slice = Array.prototype.slice

module.exports = duplex

function forEach (arr, fn) {
    if (arr.forEach) {
        return arr.forEach(fn)
    }

for (var i = 0; i < arr.length; i++) {
        fn(arr[i], i)
    }
}

function duplex(writer, reader) {
    var stream = new Stream()
    var ended = false

forEach(writeMethods, proxyWriter)

forEach(readMethods, proxyReader)

forEach(readEvents, proxyStream)

reader.on("end", handleEnd)

writer.on("drain", function() {
      stream.emit("drain")
    })

writer.on("error", reemit)
    reader.on("error", reemit)

stream.writable = writer.writable
    stream.readable = reader.readable

return stream

function proxyWriter(methodName) {
        stream[methodName] = method

function method() {
            return writer[methodName].apply(writer, arguments)
        }
    }

function proxyReader(methodName) {
        stream[methodName] = method

function method() {
            stream.emit(methodName)
            var func = reader[methodName]
            if (func) {
                return func.apply(reader, arguments)
            }
            reader.emit(methodName)
        }
    }

function proxyStream(methodName) {
        reader.on(methodName, reemit)

function reemit() {
            var args = slice.call(arguments)
            args.unshift(methodName)
            stream.emit.apply(stream, args)
        }
    }

function handleEnd() {
        if (ended) {
            return
        }
        ended = true
        var args = slice.call(arguments)
        args.unshift("end")
        stream.emit.apply(stream, args)
    }

function reemit(err) {
        stream.emit("error", err)
    }
}

${this.title}

Code Editor : index.js