Refactor build scripts

Author: jackdomleo7

package.json

@@ -6,11 +6,15 @@
   "style": "checka11y.css",
   "scripts": {
     "prepublishOnly": "git-branch-is master && is-git-status-clean",
-    "build": "npm run lint:fix && npm run build:errors-and-warnings && npm run build:errors-only && npm run build:warnings-only",
-    "build:errors-and-warnings": "sass --no-source-map src/checka11y.scss ./checka11y.css --style=compressed && sass --no-source-map ./checka11y.css ./checka11y.css --style=expanded && npx postcss checka11y.css --use autoprefixer --replace --no-map",
-    "build:errors-only": "sass --no-source-map src/errors/checka11y-errors.scss ./checka11y-errors.css --style=compressed && sass --no-source-map ./checka11y-errors.css ./checka11y-errors.css --style=expanded && npx postcss checka11y-errors.css --use autoprefixer --replace --no-map",
-    "build:warnings-only": "sass --no-source-map src/warnings/checka11y-warnings.scss ./checka11y-warnings.css --style=compressed && sass --no-source-map ./checka11y-warnings.css ./checka11y-warnings.css --style=expanded && npx postcss checka11y-warnings.css --use autoprefixer --replace --no-map",
-    "build:minify": "npm run build && cleancss --batch --batch-suffix .min checka11y.css checka11y-errors.css checka11y-warnings.css",
+    "build": "npm run build:expanded && npm run build:minify",
+    "build:expanded": "npm run build:expanded:main && npm run build:expanded:errors && npm run build:expanded:warnings",
+    "build:expanded:main": "sass --no-source-map src/checka11y.scss ./checka11y.css --style=compressed && sass --no-source-map ./checka11y.css ./checka11y.css --style=expanded && npx postcss checka11y.css --use autoprefixer --replace --no-map",
+    "build:expanded:errors": "sass --no-source-map src/errors/checka11y-errors.scss ./checka11y-errors.css --style=compressed && sass --no-source-map ./checka11y-errors.css ./checka11y-errors.css --style=expanded && npx postcss checka11y-errors.css --use autoprefixer --replace --no-map",
+    "build:expanded:warnings": "sass --no-source-map src/warnings/checka11y-warnings.scss ./checka11y-warnings.css --style=compressed && sass --no-source-map ./checka11y-warnings.css ./checka11y-warnings.css --style=expanded && npx postcss checka11y-warnings.css --use autoprefixer --replace --no-map",
+    "build:minify": "npm run build:minify:main && npm run build:minify:errors && npm run build:minify:warnings",
+    "build:minify:main": "cleancss --batch --batch-suffix .min checka11y.css",
+    "build:minify:errors": "cleancss --batch --batch-suffix .min checka11y-errors.css",
+    "build:minify:warnings": "cleancss --batch --batch-suffix .min checka11y-warnings.css",
     "lint:check": "stylelint \"**/*.scss\" --max-warnings=0 --ignore-path .gitignore",
     "lint:fix": "stylelint \"**/*.scss\" --max-warnings=0 --ignore-path .gitignore --fix",
     "test": "cypress run",