🐛 bug: fix linked translation with using hyphen or underscore keypath

Close #170

src/index.js

@@ -191,7 +191,7 @@ export default class VueI18n {
       // Match all the links within the local
       // We are going to replace each of
       // them with its translation
-      const matches: any = ret.match(/(@:[\w|.]+)/g)
+      const matches: any = ret.match(/(@:[\w\-_|.]+)/g)
       for (const idx in matches) {
         const link: string = matches[idx]
         // Remove the leading @:

test/unit/fixture/index.js

@@ -13,13 +13,17 @@ export default {
       linkEnd: 'This is a linked translation to @:message.hello',
       linkWithin: 'Isn\'t @:message.hello we live in great?',
       linkMultiple: 'Hello @:message.hoge!, isn\'t @:message.hello great?',
+      linkHyphen: '@:hyphen-hello',
+      linkUnderscore: '@:underscore_hello',
       'hyphen-locale': 'hello hyphen',
       '1234': 'Number-based keys are found',
       '1mixedKey': 'Mixed keys are not found.'
     },
     'hello world': 'Hello World',
     'Hello {0}': 'Hello {0}',
     'continue-with-new-account': 'continue with new account',
+    'hyphen-hello': 'hyphen the wolrd',
+    underscore_hello: 'underscore the wolrd',
     underscore: '{helloMsg} world',
     plurals: {
       car: 'car | cars',

test/unit/issues.test.js

@@ -92,4 +92,11 @@ describe('issues', () => {
       }).then(done)
     })
   })
+
+  describe('#170', () => {
+    it('should be translated', () => {
+      assert.equal(vm.$i18n.t('message.linkHyphen'), messages.en['hyphen-hello'])
+      assert.equal(vm.$i18n.t('message.linkUnderscore'), messages.en.underscore_hello)
+    })
+  })
 })