add tests

Author: staltz

package.json

@@ -13,9 +13,11 @@
  "ssb"
  ],
  "scripts": {
- "prepublish": "tsc"
+ "prepublish": "tsc",
+ "test": "tsc --noEmit test.ts"
  },
  "devDependencies": {
+ "tsd":"~0.15.1",
  "ts-node": "^9.1.1",
  "typescript": "~4.2.2"
  }

test.ts

@@ -0,0 +1,18 @@
+import {expectType} from 'tsd';
+import {Content} from './readme';
+
+const content: Content = null as any;
+if (content.type === 'post') {
+ expectType<'post'>(content.type);
+ expectType<string>(content.text);
+} else if (content.type === 'about') {
+ expectType<string>(content.about);
+} else if (content.type === 'contact') {
+ expectType<string>(content.contact);
+} else if (content.type === 'blog') {
+ expectType<string>(content.title);
+ expectType<string>(content.summary);
+ expectType<string>(content.blog);
+} else if (content.type === 'vote') {
+ expectType<{value: number; expression: string; link: string}>(content.vote);
+}