feat: schema options

Author: alexander-akait

lib/loader.js

@@ -2,6 +2,7 @@
   MIT License http://www.opensource.org/licenses/mit-license.php
   Author Tobias Koppers @sokra
 */
+const validateOptions = require('schema-utils');
 const postcss = require('postcss');
 const postcssPkg = require('postcss/package.json');
 const localByDefault = require('postcss-modules-local-by-default');
@@ -17,6 +18,7 @@ const {
   stringifyRequest,
 } = require('loader-utils');
 
+const schema = require('./options.json');
 const { importParser, icssParser, urlParser } = require('./plugins');
 const {
   getLocalIdent,
@@ -28,8 +30,11 @@ const Warning = require('./Warning');
 const CssSyntaxError = require('./CssSyntaxError');
 
 module.exports = function loader(content, map, meta) {
-  const callback = this.async();
   const options = getOptions(this) || {};
+
+  validateOptions(schema, options, 'CSS Loader');
+
+  const callback = this.async();
   const sourceMap = options.sourceMap || false;
 
   /* eslint-disable no-param-reassign */

lib/options.json

@@ -0,0 +1,65 @@
+{
+  "additionalProperties": false,
+  "properties": {
+    "url": {
+      "type": "boolean"
+    },
+    "import": {
+      "type": "boolean"
+    },
+    "modules": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "string",
+          "enum": ["local", "global"]
+        }
+      ]
+    },
+    "localIdentName": {
+      "type": "string"
+    },
+    "localIdentRegExp": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "instanceof": "RegExp"
+        }
+      ]
+    },
+    "context": {
+      "type": "string"
+    },
+    "hashPrefix": {
+      "type": "string"
+    },
+    "getLocalIdent": {
+      "instanceof": "Function"
+    },
+    "sourceMap": {
+      "type": "boolean"
+    },
+    "camelCase": {
+      "anyOf": [
+        {
+          "type": "boolean"
+        },
+        {
+          "type": "string",
+          "enum": ["dashes", "only", "dashesOnly"]
+        }
+      ]
+    },
+    "importLoaders": {
+      "type": "number"
+    },
+    "exportOnlyLocals": {
+      "type": "boolean"
+    }
+  },
+  "type": "object"
+}