[Pkg-javascript-commits] [node-concat-map] 01/02: Imported Upstream version 0.0.1
Sebastiaan Couwenberg
sebastic at moszumanska.debian.org
Tue Mar 17 12:45:19 UTC 2015
This is an automated email from the git hooks/post-receive script.
sebastic pushed a commit to branch master
in repository node-concat-map.
commit 24ba8fcea9dc2ccf9b7aed617be97d4cca714991
Author: Bas Couwenberg <sebastic at xs4all.nl>
Date: Tue Mar 17 13:24:16 2015 +0100
Imported Upstream version 0.0.1
---
.travis.yml | 4 ++++
LICENSE | 18 +++++++++++++++++
README.markdown | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
example/map.js | 6 ++++++
index.js | 13 ++++++++++++
package.json | 43 +++++++++++++++++++++++++++++++++++++++
test/map.js | 39 ++++++++++++++++++++++++++++++++++++
7 files changed, 185 insertions(+)
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..f1d0f13
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+ - 0.4
+ - 0.6
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..ee27ba4
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,18 @@
+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.markdown b/README.markdown
new file mode 100644
index 0000000..408f70a
--- /dev/null
+++ b/README.markdown
@@ -0,0 +1,62 @@
+concat-map
+==========
+
+Concatenative mapdashery.
+
+[](http://ci.testling.com/substack/node-concat-map)
+
+[](http://travis-ci.org/substack/node-concat-map)
+
+example
+=======
+
+``` js
+var concatMap = require('concat-map');
+var xs = [ 1, 2, 3, 4, 5, 6 ];
+var ys = concatMap(xs, function (x) {
+ return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
+});
+console.dir(ys);
+```
+
+***
+
+```
+[ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]
+```
+
+methods
+=======
+
+``` js
+var concatMap = require('concat-map')
+```
+
+concatMap(xs, fn)
+-----------------
+
+Return an array of concatenated elements by calling `fn(x, i)` for each element
+`x` and each index `i` in the array `xs`.
+
+When `fn(x, i)` returns an array, its result will be concatenated with the
+result array. If `fn(x, i)` returns anything else, that value will be pushed
+onto the end of the result array.
+
+install
+=======
+
+With [npm](http://npmjs.org) do:
+
+```
+npm install concat-map
+```
+
+license
+=======
+
+MIT
+
+notes
+=====
+
+This module was written while sitting high above the ground in a tree.
diff --git a/example/map.js b/example/map.js
new file mode 100644
index 0000000..3365621
--- /dev/null
+++ b/example/map.js
@@ -0,0 +1,6 @@
+var concatMap = require('../');
+var xs = [ 1, 2, 3, 4, 5, 6 ];
+var ys = concatMap(xs, function (x) {
+ return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
+});
+console.dir(ys);
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..b29a781
--- /dev/null
+++ b/index.js
@@ -0,0 +1,13 @@
+module.exports = function (xs, fn) {
+ var res = [];
+ for (var i = 0; i < xs.length; i++) {
+ var x = fn(xs[i], i);
+ if (isArray(x)) res.push.apply(res, x);
+ else res.push(x);
+ }
+ return res;
+};
+
+var isArray = Array.isArray || function (xs) {
+ return Object.prototype.toString.call(xs) === '[object Array]';
+};
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..d3640e6
--- /dev/null
+++ b/package.json
@@ -0,0 +1,43 @@
+{
+ "name" : "concat-map",
+ "description" : "concatenative mapdashery",
+ "version" : "0.0.1",
+ "repository" : {
+ "type" : "git",
+ "url" : "git://github.com/substack/node-concat-map.git"
+ },
+ "main" : "index.js",
+ "keywords" : [
+ "concat",
+ "concatMap",
+ "map",
+ "functional",
+ "higher-order"
+ ],
+ "directories" : {
+ "example" : "example",
+ "test" : "test"
+ },
+ "scripts" : {
+ "test" : "tape test/*.js"
+ },
+ "devDependencies" : {
+ "tape" : "~2.4.0"
+ },
+ "license" : "MIT",
+ "author" : {
+ "name" : "James Halliday",
+ "email" : "mail at substack.net",
+ "url" : "http://substack.net"
+ },
+ "testling" : {
+ "files" : "test/*.js",
+ "browsers" : {
+ "ie" : [ 6, 7, 8, 9 ],
+ "ff" : [ 3.5, 10, 15.0 ],
+ "chrome" : [ 10, 22 ],
+ "safari" : [ 5.1 ],
+ "opera" : [ 12 ]
+ }
+ }
+}
diff --git a/test/map.js b/test/map.js
new file mode 100644
index 0000000..fdbd702
--- /dev/null
+++ b/test/map.js
@@ -0,0 +1,39 @@
+var concatMap = require('../');
+var test = require('tape');
+
+test('empty or not', function (t) {
+ var xs = [ 1, 2, 3, 4, 5, 6 ];
+ var ixes = [];
+ var ys = concatMap(xs, function (x, ix) {
+ ixes.push(ix);
+ return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
+ });
+ t.same(ys, [ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]);
+ t.same(ixes, [ 0, 1, 2, 3, 4, 5 ]);
+ t.end();
+});
+
+test('always something', function (t) {
+ var xs = [ 'a', 'b', 'c', 'd' ];
+ var ys = concatMap(xs, function (x) {
+ return x === 'b' ? [ 'B', 'B', 'B' ] : [ x ];
+ });
+ t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
+ t.end();
+});
+
+test('scalars', function (t) {
+ var xs = [ 'a', 'b', 'c', 'd' ];
+ var ys = concatMap(xs, function (x) {
+ return x === 'b' ? [ 'B', 'B', 'B' ] : x;
+ });
+ t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
+ t.end();
+});
+
+test('undefs', function (t) {
+ var xs = [ 'a', 'b', 'c', 'd' ];
+ var ys = concatMap(xs, function () {});
+ t.same(ys, [ undefined, undefined, undefined, undefined ]);
+ t.end();
+});
--
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