Create a plugin to execute scripts serially on webpack compiler hooks

Uses @pika/pack to build the package.
Uses xo as linter

Author: BlitzBanana

.babelrc

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+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "node": "8.9.0"
+        }
+      }
+    ]
+  ]
+}

.gitignore

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+node_modules
+pkg
+*.log

.npmrc

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+package-lock=false

README.md

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+# webpack-hooks-shellscripts
+
+[![Build Status](https://travis-ci.org/nutshell-lab/webpack-hooks-shellscripts.svg?branch=master)](https://travis-ci.org/nutshell-lab/webpack-hooks-shellscripts)
+
+> Just triggers some shellscripts on webpack compiler hooks.

package.json

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+{
+ "name": "webpack-hooks-shellscripts",
+ "version": "1.0.0",
+ "description": "Just triggers some shellscripts on webpack compiler hooks.",
+ "main": "src/index.js",
+ "repository": "[email protected]:nutshell-lab/webpack-hooks-shellscripts.git",
+ "author": "Victor Rebiard--Crépin <[email protected]>",
+ "license": "MIT",
+ "private": false,
+ "scripts": {
+  "test": "xo",
+  "build": "pack build",
+  "release": "pack publish"
+ },
+ "dependencies": {
+  "execa": "^1.0.0",
+  "p-map-series": "^2.1.0"
+ },
+ "devDependencies": {
+  "@babel/register": "^7.4.4",
+  "@pika/pack": "^0.3.7",
+  "@pika/plugin-build-node": "^0.3.16",
+  "@pika/plugin-build-types": "^0.3.16",
+  "@pika/plugin-copy-assets": "^0.3.16",
+  "@pika/plugin-standard-pkg": "^0.3.16",
+  "eslint-config-prettier": "^4.2.0",
+  "eslint-config-prettier-standard": "^2.0.0",
+  "eslint-config-standard": "^12.0.0",
+  "eslint-plugin-prettier": "^3.0.1",
+  "eslint-plugin-standard": "^4.0.0",
+  "xo": "^0.24.0"
+ },
+ "xo": {
+  "env": "node",
+  "space": true,
+  "semicolon": false,
+  "extends": "prettier-standard"
+ },
+ "@pika/pack": {
+  "pipeline": [
+   [
+    "@pika/plugin-standard-pkg"
+   ],
+   [
+    "@pika/plugin-build-node"
+   ],
+   [
+    "@pika/plugin-build-types"
+   ],
+   [
+    "@pika/plugin-copy-assets",
+    {
+     "files": [
+      "README.md"
+     ]
+    }
+   ]
+  ]
+ }
+}

src/index.d.ts

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+export default function plugin(scripts: object): void

src/index.js

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+import execa from 'execa'
+import pMapSeries from 'p-map-series'
+
+const PLUGIN_NAME = 'HooksShellScriptsPlugin'
+
+const execute = script =>
+  execa.shell(script).then(({ stdout, stderr }) => {
+    if (stdout) process.stdout.write(stdout)
+    if (stderr) process.stderr.write(stderr)
+  })
+
+const registerHook = compiler => ([hook, scripts]) =>
+  compiler.hooks[hook].tap(PLUGIN_NAME, () => pMapSeries(scripts, execute))
+
+/**
+ * Bind some shell scripts to execute serially on webpack compiler hooks
+ * @param {object} scripts Hooks scipts bindings
+ * @returns {void}
+ * @see https://webpack.js.org/api/compiler-hooks/
+ * @example
+ * ```javascript
+ *  // webpack.config.js
+ *  module.exports = {
+ *    plugins: [
+ *      hooksScriptPlugin({
+ *        beforeEmit: ['rm -r ./dist'],
+ *        afterEmit: ['echo "Build succeeded"']
+ *      })
+ *    ]
+ *  }
+ * ```
+ */
+export default (scripts = {}) => ({
+  apply: compiler => Object.entries(scripts).map(registerHook(compiler))
+})