add some snippets

Author: xunull

README.md

@@ -2,7 +2,7 @@
 代码统计工具
 
 ## install
-`npm i -g aban**`
+`npm i -g aban`
 
 ## usage
 
@@ -27,6 +27,13 @@
 - .php
 - .vue
 
+因为主要是为了统计自己编写的代码，因此排除了一些常见的文件夹，如
+
+- node_modules
+- bower_components
+- dist 
+- public
+
 使用 **-e** 选项可以指定统计的类型
 如 `aban somepath -e .js,.css`
 多种类型的文件扩展名间用逗号分隔

lib/index.js

@@ -2,14 +2,21 @@ const FileAnalysis = require('./file_analysis');
 const util = require('./util');
 const resultTable = require('./result-table');
 
+function someExtResult(dirname, ...extnames) {
+    return (new FileAnalysis(dirname, { extnames })).analysis();
+}
+
+function defaultResult(dirname) {
+    return (new FileAnalysis(dirname)).analysis();
+}
+
 /**
  * 统计给定的文件扩展名
  */
 function consoleTableResultSomeExt(dirname, ...extnames) {
     process.stdout.write(util.readBanner());
     process.stdout.write('\n');
-
-    const result = (new FileAnalysis(dirname, { extnames })).analysis();
+    const result = someExtResult(dirname, ...extnames);
     process.stdout.write(resultTable.getTable(result.fileCountMap, result.lineCountMap));
 
     // console.dir(result, {
@@ -26,7 +33,7 @@ function consoleTableResultSomeExt(dirname, ...extnames) {
 function consoleDefault(dirname) {
     process.stdout.write(util.readBanner());
     process.stdout.write('\n');
-    const result = (new FileAnalysis(dirname)).analysis();
+    const result = defaultResult(dirname);
 
     // console.log('this', dirname);
 
@@ -41,6 +48,8 @@ function consoleDefault(dirname) {
 }
 
 module.exports = {
+    someExtResult,
+    defaultResult,
     consoleTableResultSomeExt,
     consoleDefault,
 };