feat(webpack-error-notification): definition files (#42517)

- type definitions
- tests

https://github.com/vsolovyov/webpack-error-notification#usage

Thanks!

types/webpack-error-notification/index.d.ts

@@ -0,0 +1,30 @@
+// Type definitions for webpack-error-notification 0.1
+// Project: https://github.com/vsolovyov/webpack-error-notification#readme
+// Definitions by: Piotr Błażejewicz (Peter Blazejewicz) <https://github.com/peterblazejewicz>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { Plugin, Stats } from 'webpack';
+
+declare class WebpackErrorNotificationPlugin extends Plugin {
+    /**
+     * You can supply some strategy for the plugin to display notification.
+     * If you don't supply anything, it will use process.platform as a strategy name.
+     * `darwin` and `linux` are supported out of the box now.
+     * You can also supply function(msg) {} as a strategy that will use your notification CLI tool of choice.
+     */
+    constructor(strategy?: WebpackErrorNotificationPlugin.Strategy, options?: WebpackErrorNotificationPlugin.Options);
+
+    compileMessage(stats: Stats): string;
+    compilationDone(stats: Stats): void;
+}
+
+declare namespace WebpackErrorNotificationPlugin {
+    type Strategy = 'darwin' | 'linux' | ((msg: string) => void);
+
+    interface Options {
+        /** if you do not want to notify warnings, set this to `false` */
+        notifyWarnings?: boolean;
+    }
+}
+
+export = WebpackErrorNotificationPlugin;

types/webpack-error-notification/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "webpack-error-notification-tests.ts"
+    ]
+}

types/webpack-error-notification/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }

types/webpack-error-notification/webpack-error-notification-tests.ts

@@ -0,0 +1,43 @@
+import WebpackErrorNotificationPlugin = require('webpack-error-notification');
+import webpack = require('webpack');
+
+let config: webpack.Configuration = {
+    plugins: [
+        // defaults
+        new WebpackErrorNotificationPlugin(),
+    ],
+};
+
+config = {
+    plugins: [new WebpackErrorNotificationPlugin('darwin')],
+};
+config = {
+    plugins: [
+        new WebpackErrorNotificationPlugin('darwin', {
+            notifyWarnings: false,
+        }),
+    ],
+};
+
+config = {
+    plugins: [
+        new WebpackErrorNotificationPlugin('linux', {
+            notifyWarnings: false,
+        }),
+    ],
+};
+
+const customStrategy: WebpackErrorNotificationPlugin.Strategy = (msg: string) => {
+    // todo
+};
+
+config = {
+    plugins: [new WebpackErrorNotificationPlugin(customStrategy)],
+};
+config = {
+    plugins: [
+        new WebpackErrorNotificationPlugin(customStrategy, {
+            notifyWarnings: false,
+        }),
+    ],
+};