feat: improved validation error messages (#85)

.github/CONTRIBUTING.md

@@ -147,6 +147,14 @@ module. Thankfully, Github provides a means to do this. Add a dependency to the
 
 Where `{id}` is the # ID of your Pull Request.
 
+## Contributor License Agreement
+
+When submitting your contribution, a CLA (Contributor License Agreement) bot will come by to verify that you signed the [CLA](https://cla.js.foundation/webpack-contrib/raw-loader).
+If it is your first time, it will link you to the right place to sign it.
+However, if you have committed your contributions using an email that is not the same as your email used on GitHub, the CLA bot can't accept your contribution.
+
+Run `git config user.email` to see your Git email, and verify it with [your GitHub email](https://github.com/settings/emails).
+
 ## Thanks
 
 For your interest, time, understanding, and for following this simple guide.

lint-staged.config.js

@@ -1,4 +1,4 @@
 module.exports = {
   '*.js': ['prettier --write', 'eslint --fix', 'git add'],
-  '(!CHANGELOG.md).{json,md,yml,css}': ['prettier --write', 'git add'],
+  '*.{json,md,yml,css}': ['prettier --write', 'git add'],
 };

package.json

@@ -38,34 +38,34 @@
   },
   "dependencies": {
     "loader-utils": "^1.1.0",
-    "schema-utils": "^1.0.0"
+    "schema-utils": "^2.0.1"
   },
   "devDependencies": {
-    "@babel/cli": "^7.1.5",
-    "@babel/core": "^7.1.6",
-    "@babel/preset-env": "^7.1.6",
-    "@commitlint/cli": "^8.0.0",
-    "@commitlint/config-conventional": "^8.0.0",
-    "@webpack-contrib/defaults": "^5.0.0",
+    "@babel/cli": "^7.5.5",
+    "@babel/core": "^7.5.5",
+    "@babel/preset-env": "^7.5.5",
+    "@commitlint/cli": "^8.1.0",
+    "@commitlint/config-conventional": "^8.1.0",
+    "@webpack-contrib/defaults": "^5.0.2",
     "@webpack-contrib/eslint-config-webpack": "^3.0.0",
-    "babel-jest": "^24.5.0",
+    "babel-jest": "^24.8.0",
     "commitlint-azure-pipelines-cli": "^1.0.2",
     "cross-env": "^5.2.0",
     "del": "^5.0.0",
     "del-cli": "^2.0.0",
     "eslint": "^6.0.1",
     "eslint-config-prettier": "^6.0.0",
-    "eslint-plugin-import": "^2.14.0",
+    "eslint-plugin-import": "^2.18.0",
     "eslint-plugin-prettier": "^3.1.0",
     "husky": "^3.0.0",
-    "jest": "^24.5.0",
+    "jest": "^24.8.0",
     "jest-junit": "^6.4.0",
     "lint-staged": "^9.2.0",
     "memory-fs": "^0.4.1",
     "npm-run-all": "^4.1.5",
-    "prettier": "^1.11.1",
+    "prettier": "^1.18.2",
     "standard-version": "^6.0.1",
-    "webpack": "^4.3.0"
+    "webpack": "^4.36.1"
   },
   "keywords": [
     "webpack"

src/index.js

@@ -6,7 +6,10 @@ import schema from './options.json';
 export default function rawLoader(source) {
   const options = getOptions(this) || {};
 
-  validateOptions(schema, options, 'Raw Loader');
+  validateOptions(schema, options, {
+    name: 'Raw Loader',
+    baseDataPath: 'options',
+  });
 
   const json = JSON.stringify(source)
     .replace(/\u2028/g, '\\u2028')

test/__snapshots__/validate-options.test.js.snap

@@ -0,0 +1,7 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`validate options 1`] = `
+"Invalid options object. Raw Loader has been initialised using an options object that does not match the API schema.
+ - options has an unknown property 'unknown'. These properties are valid:
+   object {}"
+`;

test/validation.test.js → test/validate-options.test.js

@@ -1,6 +1,6 @@
 import loader from '../src';
 
-it('validation', () => {
+it('validate options', () => {
   const validate = (options) =>
     loader.call(
       Object.assign(