git ssb - Initial commit · cel/pull-reverse@c35743ec

Charles Lehner committed on 3/6/2016, 11:11:30 PM

README.mdView
		@@ -1,0 +1,22 @@
	1 …	+# pull-reverse
	2 …	+
	3 …	+cache a pull-stream so it can be read in reverse
	4 …	+
	5 …	+```
	6 …	+```
	7 …	+
	8 …	+## API
	9 …	+
	10 …	+```
	11 …	+pull-reverse
	12 …	+```
	13 …	+
	14 …	+## License
	15 …	+
	16 …	+Copyright (c) 2016 Charles Lehner
	17 …	+
	18 …	+Usage of the works is permitted provided that this instrument is
	19 …	+retained with the works, so that any entity that uses the works is
	20 …	+notified of this instrument.
	21 …	+
	22 …	+DISCLAIMER: THE WORKS ARE WITHOUT WARRANTY.

index.jsView
		@@ -1,0 +1,18 @@
	1 …	+module.exports = function (read, onEnd) {
	2 …	+ var vals = []
	3 …	+
	4 …	+ read(null, function next(end, data) {
	5 …	+ if (end) return onEnd && onEnd(end === true ? null : end)
	6 …	+ vals.push(data)
	7 …	+ read(null, next)
	8 …	+ })
	9 …	+
	10 …	+ return function () {
	11 …	+ var i = vals.length - 1
	12 …	+ return function (end, cb) {
	13 …	+ if (end) cb()
	14 …	+ else if (i < 0) cb(true)
	15 …	+ else cb(null, vals[i--])
	16 …	+ }
	17 …	+ }
	18 …	+}

package.jsonView
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	1 …	+{
	2 …	+ "name": "pull-reverse",
	3 …	+ "version": "0.0.0",
	4 …	+ "description": "cache a pull-stream so it can be read in reverse",
	5 …	+ "main": "index.js",
	6 …	+ "scripts": {
	7 …	+ "test": "tape test"
WritePreview
	8 …	+ },
	9 …	+ "repository": {
	10 …	+ "type": "git",
	11 …	+ "url": "https://github.com/clehner/pull-reverse"
	12 …	+ },
	13 …	+ "keywords": [
	14 …	+ "pull-stream"
	15 …	+ ],
	16 …	+ "author": "Charles Lehner (http://celehner.com/)",
	17 …	+ "license": "Fair",
	18 …	+ "devDependencies": {
	19 …	+ "pull-stream": "^3.2.0",
	20 …	+ "tape": "^4.5.0"
	21 …	+ }
	22 …	+}

test.jsView
		@@ -1,0 +1,18 @@
	1 …	+var test = require('tape')
	2 …	+var reverse = require('.')
	3 …	+var pull = require('pull-stream')
	4 …	+
	5 …	+var vals = [1,2,3,4,5,4,'foo',null,Object()]
	6 …	+
	7 …	+test('reverse', function (t) {
	8 …	+ var reverseCache = reverse(pull.values(vals))
	9 …	+ t.test('1', doIt)
	10 …	+ t.test('2', doIt)
	11 …	+ function doIt(t) {
	12 …	+ pull(reverseCache(), pull.collect(function (err, values) {
	13 …	+ t.error(err, 'collect')
	14 …	+ t.deepEquals(values.reverse(), vals, 'values reverse')
	15 …	+ t.end()
	16 …	+ }))
	17 …	+ }
	18 …	+})

cel / pull-reverse