use --type option on 'hexo new' command

lib/index.js

@@ -43,10 +43,8 @@ function init(hexo) {
     ]
   }, require('./new2')(moduleConfig));
 
-  if (moduleConfig.auto) {
-    // Register a filter with highest priority.
-    filter.register('new_post_path', require('./unique_post_path_filter')(moduleConfig), 1);
-  }
+  // Register a filter with highest priority.
+  filter.register('new_post_path', require('./unique_post_path_filter')(moduleConfig), 1);
 }
 
 module.exports = {

lib/unique_post_path_filter.js

@@ -4,11 +4,14 @@ const {get} = require('id-generators');
 
 module.exports = function(config) {
   return function(data, replace) {
-    const generator = get(config.path_type || 'default');
-    const generate = generator(config);
-    // Generate a unique path.
-    if (data.layout !== 'page') {
-      data.slug = generate(data.title);
+    if (config.auto || data.type) {
+      const generator = get(data.type || config.path_type || 'default');
+      const generate = generator(config);
+      // Generate a unique path.
+      if (data.layout !== 'page') {
+        data.slug = generate(data.title);
+      }
+      delete data.type;
     }
 
     return data;

test/register.js

@@ -1,15 +1,15 @@
 'use strict';
 
-const unique_post_path_filter = require('../lib/unique_post_path_filter');
-const {register} = require('..');
+const unique_post_path_filter = require('hexo-unique-post-path/lib/unique_post_path_filter');
+const {register} = require('hexo-unique-post-path');
 
 describe('register', () => {
   it('should use the custom function to generate a value of path', () => {
     register('my_path_gen', option => {
       return title => title.toLowerCase().replace(/[^\w]/g, '');
     });
 
-    const config = {path_type: 'my_path_gen'};
+    const config = {auto: true, path_type: 'my_path_gen'};
     const data = {title: 'Hello World!'};
     unique_post_path_filter(config)(data);
     data.slug.should.eql('helloworld');
@@ -24,7 +24,7 @@ describe('register', () => {
       };
     });
 
-    const config = {path_type: 'my_custom_path', size: 6};
+    const config = {auto: true, path_type: 'my_custom_path', size: 6};
     const data = {title: 'Hello World!'};
     unique_post_path_filter(config)(data);
     data.slug.should.eql('items-hellow');

test/unique_post_path_filter.js

@@ -1,26 +1,62 @@
 'use strict';
-
-const unique_post_path_filter = require('../lib/unique_post_path_filter');
+const {expect} = require('chai');
+require('hexo-unique-post-path/lib/id-generators/index.js');
+const unique_post_path_filter = require('hexo-unique-post-path/lib/unique_post_path_filter.js');
 
 describe('unique_post_path_filter', () => {
-  it('should set path: path_type = undefined', () => {
+  it('should not set slug if config.auto is undefined', () => {
     const config = {};
     const data = {title: 'title'};
     unique_post_path_filter(config)(data);
+    expect(data.slug).to.be.an('undefined');
+  });
+
+  it('should not set slug if config.auto is false', () => {
+    const config = {auto: false};
+    const data = {title: 'title'};
+    unique_post_path_filter(config)(data);
+    expect(data.slug).to.be.an('undefined');
+  });
+
+  it('should set slug: path_type = undefined', () => {
+    const config = {auto: true};
+    const data = {title: 'title'};
+    unique_post_path_filter(config)(data);
     data.slug.should.be.a('string');
   });
 
-  it('should set path: path_type = cuid', () => {
-    const config = {path_type: 'cuid'};
+  it('should set slug: path_type = cuid', () => {
+    const config = {auto: true, path_type: 'cuid'};
     const data = {title: 'title'};
     unique_post_path_filter(config)(data);
     data.slug.should.be.a('string');
   });
 
-  it('should set path: path_type = nanoid', () => {
-    const config = {path_type: 'nanoid'};
+  it('should set slug: path_type = nanoid', () => {
+    const config = {auto: true, path_type: 'nanoid'};
     const data = {title: 'title'};
     unique_post_path_filter(config)(data);
     data.slug.should.be.a('string');
   });
+
+  it('should set slug: path_type = seq', () => {
+    const config = {auto: true, path_type: 'seq'};
+    const data = {title: 'title'};
+    unique_post_path_filter(config)(data);
+    data.slug.should.be.a('string').eql('19');
+  });
+
+  it('should set slug: --type = seq', () => {
+    const config = {};
+    const data = {title: 'title', type: 'seq'};
+    unique_post_path_filter(config)(data);
+    data.slug.should.be.a('string').eql('19');
+  });
+
+  it('should set slug: --type = seq', () => {
+    const config = {auto: true, path_type: 'nanoid'};
+    const data = {title: 'title', type: 'seq'};
+    unique_post_path_filter(config)(data);
+    data.slug.should.be.a('string').eql('19');
+  });
 });