refactor: remove alias json for support add custom language support (#414)

* refactor: remove alias json for support add custom language support

* test: add test case for highlight.js registerLanguage

* Update highlight.spec.ts

Signed-off-by: Mimi <stevenjoezhang@gmail.com>

* fix: review issue for test case

* Revert "refactor: remove alias json for support add custom language support"

This reverts commit 256c483.

* feat: use hljs.getLanguage for judge lang support

* chore: update format

* chore: run eslint --fix

---------

Signed-off-by: Mimi <stevenjoezhang@gmail.com>
Co-authored-by: tingzhao.ytz <tingzhao.ytz@antgroup.com>
Co-authored-by: Mimi <stevenjoezhang@gmail.com>
Co-authored-by: yoshinorin <yoshinorin.net@outlook.com>

Author: 4 people

lib/highlight.ts

@@ -125,7 +125,7 @@ function highlight(str: string, options: Options) {
     return closeTags(result);
   }
 
-  if (!lang || !alias.aliases[lang]) {
+  if (!lang || (!alias.aliases[lang] && !hljs.getLanguage(lang))) {
     lang = 'plaintext';
   }
 

package.json

@@ -47,6 +47,7 @@
     "domhandler": "^5.0.3",
     "eslint": "^8.23.0",
     "eslint-config-hexo": "^5.0.0",
+    "highlightjs-solidity": "^2.0.6",
     "html-entities": "^2.3.3",
     "html-tag-validator": "^1.6.0",
     "mocha": "^10.0.0",

test/highlight.spec.ts

@@ -1,5 +1,6 @@
 import chai from 'chai';
 import hljs from 'highlight.js';
+import { solidity } from 'highlightjs-solidity';
 import { encode } from 'html-entities';
 import highlight from '../lib/highlight';
 
@@ -181,6 +182,42 @@ describe('highlight', () => {
     validateHtmlAsync(result, done);
   });
 
+
+  it('lang = solidity', done => {
+    hljs.registerLanguage('solidity', solidity);
+    const solString = 'contract MyContract {}';
+    const result = highlight(solString, { lang: 'solidity' });
+
+    result.should.eql(
+      [
+        '<figure class="highlight solidity"><table><tr>',
+        gutter(1, 1),
+        code(solString, 'solidity'),
+        end
+      ].join('')
+    );
+    validateHtmlAsync(result, done);
+    hljs.unregisterLanguage('solidity');
+  });
+
+  it('lang = sol', done => {
+    hljs.registerLanguage('solidity', solidity);
+    const solString = 'contract MyContract {}';
+    const result = highlight(solString, { lang: 'sol' });
+
+    result.should.eql(
+      [
+        '<figure class="highlight sol"><table><tr>',
+        gutter(1, 1),
+        code(solString, 'solidity'),
+        end
+      ].join('')
+    );
+    validateHtmlAsync(result, done);
+
+    hljs.unregisterLanguage('solidity');
+  });
+
   it('auto detect', done => {
     const result = highlight(testString, {autoDetect: true});