initial checkin

.gitignore

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+/.settings
+/.project

quote.js

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+(function() {
+
+	var validquotechars = ['>'];
+
+
+	var quoteline = function(line, maxlength, qc) {
+		if (line.length > maxlength) {
+			var lastspace = line.lastIndexOf(' ', maxlength);
+			if (lastspace != -1) {
+				line = line.substr(0, lastspace) + ' \n' + quoteline(line.substr(lastspace + 1), maxlength, qc);
+			}
+		}
+
+		//this must be after the code before, because this inserts a space in the string
+		return qc + ' ' + line;
+	};
+
+
+	var quote = function(text, length, quotechar) {
+		if (typeof(quotechar) === 'undefined') {
+			quotechar = '>';
+		}
+		if (typeof(length) === 'undefined') {
+			length = 75;
+		}
+
+		var quoted = text.split('\n').map(function(v, i) {
+			//if this is already quoted text, return it as is
+			if (validquotechars.indexOf(v.charAt(0)) > -1) {
+				return v;
+			}
+
+			return quoteline(v, length, quotechar);
+		}).join('\n');
+
+		return quoted;
+	};
+
+	if (typeof(window) === 'undefined') {
+		module.exports = quote;
+	} else {
+		window.quote = quote;
+	}
+
+})();

tests.js

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+var quote = require('./quote.js');
+
+var test = function(name, what, ref, c) {
+	process.stdout.write(name);
+
+	if (typeof(c) !== 'boolean') {
+		c = true;
+	}
+
+	if (typeof(what) === 'function') {
+		what = what();
+	}
+	if (typeof(ref) === 'function') {
+		ref = ref();
+	}
+
+	if ((what === ref) === c) {
+		process.stdout.write(' ✓');
+	} else {
+		process.stdout.write(' ⛝\n');
+		process.stdout.write('    ----> expected | ' + ref + '\n');
+		process.stdout.write('    ----> got      | ' + what + '\n');
+	}
+	process.stdout.write('\n');
+};
+
+
+test('simple short text',
+	quote('simple short text'),
+	'> simple short text'
+);
+
+test('an already quoted line',
+	quote('> simple short text'),
+	'> simple short text'
+);
+
+test('a line longer than 75 chars with no spaces',
+	quote('12345678901234567890123456789012345678901234567890123456789012345678901234567890'),
+	'> 12345678901234567890123456789012345678901234567890123456789012345678901234567890'
+);
+
+test('a line longer than 75 chars with spaces',
+	quote('1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890', 75),
+	'> 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 \n> 1234567890 1234567890'
+);
+
+test('three lines with a hard break',
+	quote('1234567890\n1234567890\n1234567890'),
+	'> 1234567890\n> 1234567890\n> 1234567890'
+);
+
+test('three lines, one long line, two with a hard break in between',
+	quote('1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890\n' +
+		'1234567890 1234567890 1234567890 1234567890\n' +
+		'1234567890 1234567890 1234567890 1234567890\n'),
+	'> 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 \n' +
+	'> 1234567890 1234567890\n' +
+	'> 1234567890 1234567890 1234567890 1234567890\n' +
+	'> 1234567890 1234567890 1234567890 1234567890\n' +
+	'> '
+);