feat: add json specification (#21)

index.json

@@ -1,4 +1,5 @@
 {
+  "$schema": "./index.spec.json",
   "types": {
     "feat": {
       "description": "A new feature",

index.spec.js

@@ -0,0 +1,9 @@
+var jsonschema = require("jsonschema");
+var fs = require("fs");
+
+var data = fs.readFileSync("./index.json");
+var schema = fs.readFileSync("./index.spec.json");
+
+jsonschema.validate(JSON.parse(data), JSON.parse(schema), {
+  throwAll: true,
+});

index.spec.json

@@ -0,0 +1,27 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Conventional Commit Types Data Schema",
+  "additionalProperties": true,
+  "definitions": {
+    "commitType": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "description": {
+          "type": "string"
+        },
+        "title": {
+          "type": "string"
+        }
+      },
+      "required": ["description", "title"]
+    }
+  },
+  "properties": {
+    "types": {
+      "type": "object",
+      "additionalProperties": { "$ref": "#/definitions/commitType" }
+    }
+  },
+  "required": ["types"]
+}

package.json

@@ -4,7 +4,7 @@
   "description": "List of conventional commit types.",
   "main": "index.json",
   "scripts": {
-    "test": "json -f index.json"
+    "test": "node index.spec"
   },
   "keywords": [],
   "author": "Anders D. Johnson",
@@ -14,6 +14,6 @@
     "url": "https://github.com/commitizen/conventional-commit-types.git"
   },
   "devDependencies": {
-    "json": "^9.0.4"
+    "jsonschema": "^1.4.0"
   }
 }