initial commit

.gitignore

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+components
+build

.npmignore

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+components
+build
+test
+component.json
+Makefile

History.md

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+
+# 0.1.0
+
+- initial release

Makefile

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+
+build: components index.js
+	@component build --dev
+
+components: component.json
+	@component install --dev
+
+clean:
+	rm -fr build components template.js
+
+.PHONY: clean

Readme.md

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+
+# days-in-month
+
+  get the number of days in the given month (gregorian calander)
+
+## Installation
+
+  Install with [component(1)](http://component.io):
+
+    $ component install stephenmathieson/days-in-month
+
+## API
+
+### `days(new Date())`
+
+### `days(8)`
+
+### `days(2013, 8)`
+
+## License
+
+  MIT

component.json

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+{
+  "name": "days-in-month",
+  "repo": "stephenmathieson/days-in-month",
+  "description": "get the number of days in the given month (gregorian calander)",
+  "version": "0.0.1",
+  "keywords": [],
+  "dependencies": {},
+  "development": {},
+  "license": "MIT",
+  "main": "index.js",
+  "scripts": [
+    "index.js"
+  ]
+}

index.js

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+
+/**
+ * Get the number of days in a month
+ *
+ * @api private
+ * @param {Date|Number} year
+ * @param {Number} [month]
+ * @return {Number}
+ */
+module.exports = function (year, month) {
+
+  var date;
+
+  if (year instanceof Date) {
+    date = new Date(year.getFullYear(), year.getMonth() + 1, 0);
+  } else if (arguments.length === 1) {
+    date = new Date(new Date().getFullYear(), year, 0);
+  } else {
+    date = new Date(year, month, 0);
+  }
+
+  return date.getDate();
+};

package.json

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+{
+  "name": "days-in-month",
+  "version": "0.0.0",
+  "description": "get the number of days in the given month",
+  "main": "index.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "make test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/stephenmathieson/days-in-month.git"
+  },
+  "keywords": [
+    "date",
+    "days",
+    "month"
+  ],
+  "author": "stephen mathieson",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/stephenmathieson/days-in-month/issues"
+  },
+  "dependencies": {}
+}

test/index.js

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+
+var days,
+    assert = require('assert');
+
+try {
+  // component
+  days = require('days-in-month');
+} catch (e) {
+  // node
+  days = require('..');
+}
+
+describe('days-in-month', function () {
+  it('should work when provided a Date', function () {
+    assert(days(new Date(2013, 7, 8)) === 31);
+  });
+
+  it('should assume the current year when only provided a month', function () {
+    assert(days(8) === 31);
+  });
+
+  it('should work when provided a year and month', function () {
+    assert(days(2013, 8) === 31);
+  });
+
+  it('should account for leap years', function () {
+    assert(days(2000, 2) === 29);
+    assert(days(2076, 2) === 29);
+    assert(days(1804, 2) === 29);
+    assert(days(new Date(2000, 1, 1)) === 29);
+  });
+});