From 77b259e26b284d076e6069679e694d940e439ce6 Mon Sep 17 00:00:00 2001
From: Travis Bloom <travisbloom@gmail.com>
Date: Wed, 18 Oct 2017 12:52:43 -0400
Subject: [PATCH] Add a new CLI config "existing-output-dir" that allows users
 to pass in a previously built storybook directory.

stylistic tweaks

fixes
---
 README.md                |  8 ++++++++
 bin/storybook_to_ghpages | 26 ++++++++++++++------------
 package.json             |  2 +-
 3 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/README.md b/README.md
index 027da86..94151b2 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,14 @@ If you customize the build configuration with some additional params (like stati
 
 > Make sure to set the output directory as **`.out`**.
 
+### Skip Build Step
+
+If you have previously built your storybook output (through a different CI step, etc) and just need to publish it, specify the directory with like this:
+
+```js
+ npm run deploy-storybook -- --existing-output-dir=.out
+```
+
 ### Custom deploy configuration
 
 If you want to customize Git username, email or commit message, add this to `package.json`:
diff --git a/bin/storybook_to_ghpages b/bin/storybook_to_ghpages
index 7743a36..3b9bd73 100755
--- a/bin/storybook_to_ghpages
+++ b/bin/storybook_to_ghpages
@@ -6,7 +6,8 @@ var path = require('path');
 var packageJson = require(path.resolve('./package.json'));
 var argv = require('yargs').argv;
 
-var OUTPUT_DIR = 'out' + Math.ceil(Math.random() * 9999);
+var SKIP_BUILD = Boolean(argv['existing-output-dir'])
+var OUTPUT_DIR = argv['existing-output-dir'] || 'out' + Math.ceil(Math.random() * 9999);
 
 var defaultConfig = {
   gitUsername: 'GH Pages Bot',
@@ -29,16 +30,18 @@ if (!GIT_URL) {
   process.exit(-1);
 }
 
-// clear and re-create the out directory
-shell.rm('-rf', OUTPUT_DIR);
-shell.mkdir(OUTPUT_DIR);
+if (!SKIP_BUILD) {
+  // clear and re-create the out directory
+  shell.rm('-rf', OUTPUT_DIR);
+  shell.mkdir(OUTPUT_DIR);
 
-// run our compile script
-console.log('=> Building storybook');
-if (packageJson.scripts[NPM_SCRIPT]) {
-  publishUtils.exec('npm run ' + NPM_SCRIPT + ' -- -o ' + OUTPUT_DIR);
-} else {
-  publishUtils.exec('node ./node_modules/.bin/build-storybook -o ' + OUTPUT_DIR);
+  // run our compile script
+  console.log('=> Building storybook');
+  if (packageJson.scripts[NPM_SCRIPT]) {
+    publishUtils.exec('npm run ' + NPM_SCRIPT + ' -- -o ' + OUTPUT_DIR);
+  } else {
+    publishUtils.exec('node ./node_modules/.bin/build-storybook -o ' + OUTPUT_DIR);
+  }
 }
 
 // go to the out directory and create a *new* Git repo
@@ -66,8 +69,7 @@ publishUtils.exec('git push --force --quiet ' + GIT_URL + ' ' + SOURCE_BRANCH +
 shell.cd('..');
 shell.rm('-rf', OUTPUT_DIR);
 
-console.log();
-if(TARGET_BRANCH !== 'gh-pages') {
+if (TARGET_BRANCH !== 'gh-pages') {
   var rawgit_url = GIT_URL.replace('github.com', 'rawgit.com').replace('.git', '/') +
     TARGET_BRANCH + '/index.html';
   console.log('=> Storybook deployed to: ' + rawgit_url);
diff --git a/package.json b/package.json
index 2c3df1b..862ee07 100644
--- a/package.json
+++ b/package.json
@@ -25,4 +25,4 @@
     "shelljs": "^0.7.0",
     "yargs": "^8.0.1"
   }
-}
+}
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