From 1d4501d41a0ebb32a8b9a8119e899688a34b3fe7 Mon Sep 17 00:00:00 2001
From: "Jocelyn Badgley (Twipped)" <joc@twipped.com>
Date: Tue, 7 Apr 2020 10:35:32 -0700
Subject: [PATCH] Pages only task for faster iterative builds

---
 build/index.js | 31 +++++++++++++++++++++++++++++++
 gulp/index.js  |  8 +++++---
 2 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/build/index.js b/build/index.js
index 216864b..68721a5 100644
--- a/build/index.js
+++ b/build/index.js
@@ -82,6 +82,37 @@ exports.everything = function (prod = false) {
   return fn;
 };
 
+exports.posts = function () {
+  async function fn () {
+    const prod = false;
+    // load a directory scan of the public and post folders
+    const [ PublicFiles, PostFiles ] = await Promise.all([
+      loadPublicFiles(),
+      loadPostFiles(),
+    ]);
+
+    // load data for all the files in that folder
+    await Promise.map(PublicFiles.assets, (p) => p.load());
+    await Promise.map(PublicFiles.pages, (p) => p.load(PublicFiles));
+
+    await Promise.map(PostFiles.assets, (p) => p.load());
+    await Promise.map(PostFiles.pages, (p) => p.load(PostFiles));
+
+    // prime tweet data for all pages
+    const pages = await primeTweets(PublicFiles.pages.filter((p) => !p.meta.ignore));
+
+    let posts = await primeTweets(PostFiles.pages.filter((p) => !p.meta.ignore));
+    posts = sortBy(posts, 'date');
+    posts.reverse();
+
+    const engines = await getEngines(prod);
+    const postIndex = await pageWriter(prod, engines, pages, posts);
+    await fs.writeFile(resolve('dist/tweets/index.json'), prod ? JSON.stringify(postIndex) : JSON.stringify(postIndex, null, 2));
+  }
+
+  fn.displayName = 'buildPages';
+  return fn;
+};
 
 exports.task = function (action, prod = false) {
   const fn = async () => {
diff --git a/gulp/index.js b/gulp/index.js
index b8fadd5..0feb2dc 100644
--- a/gulp/index.js
+++ b/gulp/index.js
@@ -7,6 +7,8 @@ var build = require('../build');
 
 const devBuildTask  = build.everything();
 const prodBuildTask = build.everything(true);
+const pagesTask = build.pages();
+exports.pages = () => pagesTask();
 
 const scss    = exports.scss    = build.task('scss');
 const favicon = exports.favicon = build.task('favicon');
@@ -41,10 +43,10 @@ exports.testpush = pushToProd.dryrun;
 function watcher () {
 
   watch([
-    'public/**/*',
-    'posts/**/*',
+    'public/**/*.{md,hbs,html}',
+    'posts/**/*.{md,hbs,html}',
     'templates/*.{md,hbs,html}',
-  ], devBuildTask);
+  ], pagesTask);
 
   watch([
     'scss/*.scss',