feat(init): keep pre and post scripts as they work in npm (#134)

Author: Miklet

.gitignore

@@ -6,3 +6,4 @@ dist
 .opt-out
 npm-debug.log
 .idea/
+.vscode/

src/bin-utils/initialize/fixtures/_package-scripts.js

@@ -5,16 +5,25 @@ module.exports = {
       stuff: 'echo start:stuff'
     },
     test: 'echo test',
+    prefoo: {
+      default: 'echo prefoo',
+      bar: 'echo prefoo:bar'
+    },
     foo: {
-      default: 'echo foo',
+      default: 'nps prefoo && echo foo',
       bar: {
-        default: 'echo foo:bar',
+        default: 'nps prefoo.bar && echo foo:bar && nps postfoo.bar',
         baz: 'echo foo:bar:baz'
       }
     },
-    bar: 'echo bar',
-    fooBar: 'echo foo-bar',
+    bar: 'echo bar && nps postbar',
+    postbar: 'echo postbar',
+    prefooBar: 'echo prefoo-bar',
+    fooBar: 'nps prefooBar && echo foo-bar',
     foobar: 'echo "foo bar"',
-    baz: 'echo \'baz buzz\''
+    baz: 'echo \'baz buzz\'',
+    postfoo: {
+      bar: 'echo postfoo:bar'
+    }
   }
 };

src/bin-utils/initialize/fixtures/_package-scripts.yml

@@ -3,12 +3,19 @@ scripts:
     default: echo start
     stuff: 'echo start:stuff'
   test: echo test
+  prefoo:
+    default: echo prefoo
+    bar: 'echo prefoo:bar'
   foo:
-    default: echo foo
+    default: nps prefoo && echo foo
     bar:
-      default: 'echo foo:bar'
+      default: 'nps prefoo.bar && echo foo:bar && nps postfoo.bar'
       baz: 'echo foo:bar:baz'
-  bar: echo bar
-  foo-bar: echo foo-bar
+  bar: echo bar && nps postbar
+  postbar: echo postbar
+  prefooBar: echo prefoo-bar
+  fooBar: nps prefooBar && echo foo-bar
   foobar: echo "foo bar"
   baz: echo 'baz buzz'
+  postfoo:
+    bar: 'echo postfoo:bar'

src/bin-utils/initialize/fixtures/_package.json

@@ -3,12 +3,17 @@
     "start": "echo start",
     "start:stuff": "echo start:stuff",
     "test": "echo test",
+    "prefoo": "echo prefoo",
     "foo": "echo foo",
     "bar": "echo bar",
+    "postbar": "echo postbar",
+    "prefoo-bar": "echo prefoo-bar",
     "foo-bar": "echo foo-bar",
     "foobar": "echo \"foo bar\"",
     "baz": "echo 'baz buzz'",
+    "prefoo:bar": "echo prefoo:bar",
     "foo:bar": "echo foo:bar",
+    "postfoo:bar": "echo postfoo:bar",
     "foo:bar:baz": "echo foo:bar:baz"
   }
 }

src/bin-utils/initialize/index.js

@@ -57,16 +57,23 @@ function structureScripts(scripts) {
   // start out by giving every script a `default`
   const defaultedScripts = Object.keys(scripts).reduce((obj, key) => {
     const keyParts = key.split(':')
-    let deepKey = [...keyParts, 'default'].join('.')
+    const isKeyScriptHook = isScriptHook(keyParts[0]);
+    let deepKey = keyParts.map(key => camelCase(key)).join('.')
+    let defaultDeepKey = `${deepKey}.default`
     if (key.indexOf('start') === 0) {
-      deepKey = [
+      defaultDeepKey = [
         'default',
         ...keyParts.slice(1, keyParts.length),
         'default',
       ].join('.')
     }
-    const script = scripts[key]
-    set(obj, deepKey, script)
+    let script = scripts[key]
+    if (!isKeyScriptHook) {
+      const preHook = scripts[`pre${key}`] ? `nps pre${deepKey} && ` : ''
+      const postHook = scripts[`post${key}`] ? ` && nps post${deepKey}` : ''
+      script = `${preHook}${script}${postHook}`
+    }
+    set(obj, defaultDeepKey, script)
     return obj
   }, {})
   // traverse the object and replace all objects that
@@ -102,9 +109,8 @@ function jsObjectStringify(object, indent) {
       } else {
         value = `'${escapeSingleQuote(script)}'`
       }
-      const camelKey = camelCase(key)
       const comma = isLast(object, index) ? '' : ','
-      return `${string}\n${indent}${camelKey}: ${value}${comma}`
+      return `${string}\n${indent}${key}: ${value}${comma}`
     },
     '',
   )
@@ -123,3 +129,7 @@ function escapeSingleQuote(string) {
 function isLast(object, index) {
   return Object.keys(object).length - 1 === index
 }
+
+function isScriptHook(script) {
+  return script.indexOf('pre') === 0 || script.indexOf('post') === 0
+} 

src/bin-utils/initialize/index.test.js

@@ -14,7 +14,7 @@ test('initialize JS normally', () => {
   const expectedPackageScripts = readFileSync(
     resolve('./src/bin-utils/initialize/fixtures/_package-scripts.js'),
     'utf-8',
-  )
+  ).replace(/\r?\n/g, '\n');
   const mockWriteFileSync = spy()
   const mockFindUpSync = spy(file => {
     if (file === 'package.json') {
@@ -59,7 +59,7 @@ test('initialize YML normally', () => {
   const expectedPackageScripts = readFileSync(
     resolve('./src/bin-utils/initialize/fixtures/_package-scripts.yml'),
     'utf-8',
-  )
+  ).replace(/\r?\n/g, '\n')
   const mockWriteFileSync = spy()
   const mockFindUpSync = spy(file => {
     if (file === 'package.json') {