Add npm script to copy file that ignores gh-pages

.circleci/config.yml

@@ -13,10 +13,10 @@ workflows:
     # Inside the workflow, you define the jobs you want to run.
     jobs:
       - node/test:
-          # We don't have any executible code on the gh-pages branch.
-          # This filter likely will not work on it's own. If it doesn't, I'll
-          # copy this file into gh-pages every build.
-          # TODO research this and update this comment accordingly!
+          # We don't have any testable code on the gh-pages branch.
+          # This filter does not work on its own.
+          # This file is copied into gh-pages every build, and when that branch
+          # is checked, it now excludes itself.
           filters:
             branches:
               ignore:

package.json

@@ -91,7 +91,8 @@
     "build:docs": "typedoc --name PixelManipulator --out docs --media media --includeVersion src/lib/*.ts",
     "build:parcel": "parcel build",
     "build:bundle": "browserify dist/browser.js -o dist/bundle.js --standalone pixelmanipulator",
-    "build": "npm run check && npm run build:docs && npm run build:parcel && npm run build:bundle",
+    "build:prepare-ci": "cp -r .circleci docs",
+    "build": "npm run check && npm run build:docs && npm run build:parcel && npm run build:bundle && npm run build:prepare-ci",
     "updatedemo": "npm run build && gh-pages -d docs -m \"Update $npm_package_version\" -tf",
     "node-demo": "ts-node src/node-demo",
     "coverage": "npm run test"