refactor: migrate to material symbols icon set

scripts/check-icon-correctness.ts

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2022 StApps
+ *  This program is free software: you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ *  more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import fontkit, {Font} from 'fontkit';
+import config from '../icons.config';
+import {existsSync} from 'fs';
+import {getUsedIconsHtml, getUsedIconsTS} from './gather-used-icons';
+
+const commandName = '"npm run minify-icons"';
+const originalFont = fontkit.openSync(config.inputPath);
+if (!existsSync(config.outputPath)) {
+  console.error(`Minified font not found. Run ${commandName} first.`);
+  process.exit(-1);
+}
+const modifiedFont = fontkit.openSync(config.outputPath);
+
+let success = true;
+
+checkAll().then(() => {
+  console.log();
+  if (success) {
+    console.log('All icons are present in both fonts.');
+  } else {
+    console.error('Errors occurred.');
+    process.exit(-1);
+  }
+});
+
+/**
+ *
+ */
+async function checkAll() {
+  check(config.additionalIcons || {});
+  check(await getUsedIconsTS(config.scriptGlob));
+  check(await getUsedIconsHtml(config.htmlGlob));
+}
+
+/**
+ *
+ */
+function check(icons: Record<string, string[]>) {
+  for (const [purpose, iconSet] of Object.entries(icons)) {
+    for (const icon of iconSet) {
+      if (!hasIcon(originalFont, icon)) {
+        success = false;
+        console.error(`${purpose}: ${icon} does not exist. Typo?`);
+      } else if (!hasIcon(modifiedFont, icon)) {
+        success = false;
+        console.error(
+          `${purpose}: ${icon} not found in minified font. Run ${commandName} to regenerate it.`,
+        );
+      }
+    }
+  }
+}
+
+/**
+ *
+ */
+function hasIcon(font: Font, icon: string) {
+  return font.layout(icon).glyphs.some(it => it.isLigature);
+}