Refactor MFM

Co-authored-by: syuilo syuilotan@yahoo.co.jp

test/extract-mentions.ts

@@ -0,0 +1,48 @@
+import * as assert from 'assert';
+
+import extractMentions from '../src/misc/extract-mentions';
+import parse from '../src/mfm/parse';
+
+describe('Extract mentions', () => {
+	it('simple', () => {
+		const ast = parse('@foo @bar @baz');
+		const mentions = extractMentions(ast);
+		assert.deepStrictEqual(mentions, [{
+			username: 'foo',
+			acct: '@foo',
+			canonical: '@foo',
+			host: null
+		}, {
+			username: 'bar',
+			acct: '@bar',
+			canonical: '@bar',
+			host: null
+		}, {
+			username: 'baz',
+			acct: '@baz',
+			canonical: '@baz',
+			host: null
+		}]);
+	});
+
+	it('nested', () => {
+		const ast = parse('@foo **@bar** @baz');
+		const mentions = extractMentions(ast);
+		assert.deepStrictEqual(mentions, [{
+			username: 'foo',
+			acct: '@foo',
+			canonical: '@foo',
+			host: null
+		}, {
+			username: 'bar',
+			acct: '@bar',
+			canonical: '@bar',
+			host: null
+		}, {
+			username: 'baz',
+			acct: '@baz',
+			canonical: '@baz',
+			host: null
+		}]);
+	});
+});