feat: improve cross-uni app workflow

packages/angular-builder/src/icons/check-icon-correctness.ts

@@ -0,0 +1,36 @@
+/*
+ * 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 {Font, open} from 'fontkit';
+import {existsSync} from 'fs';
+import {getUsedIcons} from './gather-used-icons.js';
+import {fetchCodePointMap} from './get-code-points.js';
+import type {IconConfig} from '../index.js';
+
+export async function checkIconCorrectness(config: IconConfig) {
+  if (!existsSync(config.outputPath)) {
+    throw new Error('Icons have not been generated');
+  }
+
+  const modifiedFont = (await open(config.outputPath)) as Font;
+  const codePoints = await fetchCodePointMap();
+
+  for (const icon of await getUsedIcons(config)) {
+    const codePoint = codePoints.get(icon);
+    if (!codePoint) throw new Error(`"${icon}" is not a valid icon`);
+    if (!modifiedFont.getGlyph(Number.parseInt(codePoint, 16))) {
+      throw new Error(`"${icon}" (code point ${codePoint}) is missing`);
+    }
+  }
+}