fix(slugify): return non ASCII characters

src/helpers/index.js

@@ -1,3 +1,3 @@
 import slugify from 'slugify'
 
-export const slug = str => slugify(str.toLowerCase())
+export const slug = str => slugify(str.toLowerCase()) || str

src/helpers/index.spec.js

@@ -0,0 +1,16 @@
+import { slug } from './'
+
+describe('helpers', () => {
+  it('slugify string', () => {
+    expect(slug('First Name')).toBe('first-name')
+  })
+
+  it('slugify only ASCII characters', () => {
+    expect(slug('本社名 または 屋号 Company Name')).toBe('company-name')
+  })
+
+  it('return default string if non ASCII characters', () => {
+    const str = '本社名 または 屋号'
+    expect(slug(str)).toBe(str)
+  })
+})