Update fp doc template.

lib/fp/build-doc.js

@@ -5,29 +5,45 @@ var _ = require('lodash'),
     path = require('path'),
     util = require('../common/util');
 
-var basePath = path.join(__dirname, '..', '..'),
-    docPath = path.join(basePath, 'doc'),
-    readmePath = path.join(docPath, 'FP-Guide.md');
-
 var mapping = require('../../fp/_mapping'),
     templatePath = path.join(__dirname, 'template/doc'),
     template = util.globTemplate(path.join(templatePath, '*.jst'));
 
+var argNames = ['a', 'b', 'c', 'd'];
+
 var templateData = {
   'mapping': mapping,
+  'toArgOrder': toArgOrder,
   'toFuncList': toFuncList
 };
 
+function toArgOrder(array) {
+  return '`(' + _.map(array, function(value) {
+    return argNames[value];
+  }).join(', ') + ')`';
+}
+
 function toFuncList(array) {
   var chunks = _.chunk(array.slice().sort(), 5),
       lastChunk = _.last(chunks),
       last = lastChunk ? lastChunk.pop() : undefined;
 
+  chunks = _.reject(chunks, _.isEmpty);
+  lastChunk = _.last(chunks);
+
   var result = '`' + _.map(chunks, function(chunk) {
     return chunk.join('`, `') + '`';
   }).join(',\n`');
 
-  return result + (last == null ? '' : (', & `' + last + '`'));
+  if (last == null) {
+    return result;
+  }
+  if (_.size(chunks) > 1 || _.size(lastChunk) > 1) {
+    result += ',';
+  }
+  result += ' &';
+  result += _.size(lastChunk) < 5 ? ' ' : '\n';
+  return result + '`' + last + '`';
 }
 
 /*----------------------------------------------------------------------------*/
@@ -38,8 +54,9 @@ function onComplete(error) {
   }
 }
 
-function build() {
-  fs.writeFile(readmePath, template.wiki(templateData), onComplete);
+function build(target) {
+  target = path.resolve(target);
+  fs.writeFile(target, template.wiki(templateData), onComplete);
 }
 
-build();
+build(_.last(process.argv));