feat(webpack-shell-plugin): definition types (#45295)

- definition file
- tests

https://github.com/1337programming/webpack-shell-plugin
https://www.npmjs.com/package/webpack-shell-plugin#example

Thanks!

types/webpack-shell-plugin/index.d.ts

@@ -0,0 +1,51 @@
+// Type definitions for webpack-shell-plugin 0.5
+// Project: https://github.com/1337programming/webpack-shell-plugin
+// Definitions by: Piotr Błażejewicz <https://github.com/peterblazejewicz>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { Plugin } from 'webpack';
+
+declare class WebpackShellPlugin extends Plugin {
+    constructor(options?: WebpackShellPlugin.Options);
+}
+
+declare namespace WebpackShellPlugin {
+    interface Options {
+        /**
+         * scripts to execute on the initial build
+         * @default []
+         */
+        onBuildStart?: string[];
+        /**
+         * scripts to execute after files are emitted at the end of the compilation
+         * @default []
+         */
+        onBuildEnd?: string[];
+        /**
+         * scripts to execute after webpack process is complete
+         * @default []
+         */
+        onBuildExit?: string[];
+        /**
+         * Switch for development environments.
+         * This causes scripts to execute once.
+         * Useful for running HMR on webpack-dev-server or webpack watch mode.
+         * @default true
+         */
+        dev?: boolean;
+        /**
+         * Switches script execution process from spawn to exec.
+         * If running into problems with spawn, turn this setting on.
+         * @default false
+         */
+        safe?: boolean;
+        /**
+         * Enable for verbose output
+         * @deprecated
+         * @default false
+         */
+        verbose?: boolean;
+    }
+}
+
+export = WebpackShellPlugin;

types/webpack-shell-plugin/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-shell-plugin-tests.ts"
+    ]
+}

types/webpack-shell-plugin/tslint.json

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

types/webpack-shell-plugin/webpack-shell-plugin-tests.ts

@@ -0,0 +1,41 @@
+/// <reference types="webpack-dev-server" />
+import WebpackShellPlugin = require('webpack-shell-plugin');
+import path = require('path');
+import { Configuration, Plugin } from 'webpack';
+import { Options } from 'webpack-shell-plugin';
+
+const options: Options = {};
+
+const plugins: Plugin[] = [
+    new WebpackShellPlugin(),
+    new WebpackShellPlugin({}),
+    new WebpackShellPlugin(options),
+    new WebpackShellPlugin({
+        onBuildStart: ['echo "Starting"'],
+        onBuildEnd: ['python script.py && node script.js'],
+        dev: false,
+        onBuildExit: ['echo "Exit"', 'echo "Done"'],
+        safe: true,
+    }),
+];
+
+const _: Configuration = {
+    entry: {
+        app: path.resolve(__dirname, 'src/app.js'),
+    },
+    output: {
+        path: path.resolve(__dirname, 'dist'),
+        filename: 'bundle.js',
+    },
+    devServer: {
+        contentBase: path.resolve(__dirname, 'src'),
+    },
+    plugins,
+    module: {
+        rules: [
+            { test: /\.js$/, loaders: 'babel' },
+            { test: /\.scss$/, loader: 'style!css!scss?' },
+            { test: /\.html$/, loader: 'html-loader' },
+        ],
+    },
+};