Manually remove unused font-awesome classes

package-lock.json

@@ -23,6 +23,7 @@
 				"autoprefixer": "^10.4.20",
 				"labs": "git@github.com:leaningtech/labs.git",
 				"postcss": "^8.4.47",
+				"postcss-discard": "^2.0.0",
 				"rollup-plugin-copy": "^3.5.0",
 				"rollup-plugin-css-only": "^4.3.0",
 				"rollup-plugin-postcss": "^4.0.2",
@@ -1476,6 +1477,18 @@
 				"node": ">= 6"
 			}
 		},
+		"node_modules/clean-css": {
+			"version": "5.3.3",
+			"resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.3.3.tgz",
+			"integrity": "sha512-D5J+kHaVb/wKSFcyyV75uCn8fiY4sV38XJoe4CUyGQ+mOU/fMVYUdH1hJC+CJQ5uY3EnW27SbJYS4X8BiLrAFg==",
+			"dev": true,
+			"dependencies": {
+				"source-map": "~0.6.0"
+			},
+			"engines": {
+				"node": ">= 10.0"
+			}
+		},
 		"node_modules/code-red": {
 			"version": "1.0.4",
 			"resolved": "https://registry.npmjs.org/code-red/-/code-red-1.0.4.tgz",
@@ -2468,6 +2481,18 @@
 			"integrity": "sha512-TwuEnCnxbc3rAvhf/LbG7tJUDzhqXyFnv3dtzLOPgCG/hODL7WFnsbwktkD7yUV0RrreP/l1PALq/YSg6VvjlA==",
 			"dev": true
 		},
+		"node_modules/lodash.isfunction": {
+			"version": "3.0.9",
+			"resolved": "https://registry.npmjs.org/lodash.isfunction/-/lodash.isfunction-3.0.9.tgz",
+			"integrity": "sha512-AirXNj15uRIMMPihnkInB4i3NHeb4iBtNg9WRWuK2o31S+ePwwNmDPaTL3o7dTJ+VXNZim7rFs4rxN4YU1oUJw==",
+			"dev": true
+		},
+		"node_modules/lodash.isregexp": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/lodash.isregexp/-/lodash.isregexp-4.0.1.tgz",
+			"integrity": "sha512-rw9+95tYcUa9nQ1FgdtKvO+hReLGNqnNMHfLq8SwK5Mo6D0R0tIsnRHGHaTHSKeYBaLCJ1JvXWdz4UmpPZ2bag==",
+			"dev": true
+		},
 		"node_modules/lodash.memoize": {
 			"version": "4.1.2",
 			"resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
@@ -2890,6 +2915,21 @@
 				"postcss": "^8.2.15"
 			}
 		},
+		"node_modules/postcss-discard": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/postcss-discard/-/postcss-discard-2.0.0.tgz",
+			"integrity": "sha512-M7e1ckqMd3r0THkY4zTIRKP3H2NUrsNsI7UuIUYbyFDPRD26QgFR/BGGw8CNt5X4F0uGBnAMAFGgktraPdOZFw==",
+			"dev": true,
+			"dependencies": {
+				"clean-css": "^5.1.2",
+				"lodash.isfunction": "^3.0.9",
+				"lodash.isregexp": "^4.0.1",
+				"postcss": "^8.3.0"
+			},
+			"engines": {
+				"node": "^10 || ^12 || >=14"
+			}
+		},
 		"node_modules/postcss-discard-comments": {
 			"version": "5.1.2",
 			"resolved": "https://registry.npmjs.org/postcss-discard-comments/-/postcss-discard-comments-5.1.2.tgz",

package.json

@@ -22,6 +22,7 @@
 		"autoprefixer": "^10.4.20",
 		"labs": "git@github.com:leaningtech/labs.git",
 		"postcss": "^8.4.47",
+		"postcss-discard": "^2.0.0",
 		"rollup-plugin-copy": "^3.5.0",
 		"rollup-plugin-css-only": "^4.3.0",
 		"rollup-plugin-postcss": "^4.0.2",

rollup.config.js

@@ -7,6 +7,7 @@ import terser from '@rollup/plugin-terser';
 import resolve from '@rollup/plugin-node-resolve';
 import css from 'rollup-plugin-css-only';
 import autoprefixer from 'autoprefixer';
+import discard from 'postcss-discard';
 import path from 'path';
 import url from 'url';
 import tailwindcss from 'tailwindcss';
@@ -43,6 +44,22 @@ export default {
 			plugins: [
 				tailwindcss,
 				autoprefixer,
+				discard({rule: function(node, value)
+				{
+					if(!value.startsWith('.fa-') || !value.endsWith(":before"))
+						return false;
+					switch(value)
+					{
+						case '.fa-info-circle:before':
+						case '.fa-wifi:before':
+						case '.fa-microchip:before':
+						case '.fa-compact-disc:before':
+						case '.fa-discord:before':
+						case '.fa-github:before':
+							return false;
+					}
+					return true;
+				}})
 			],
 		}),