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

37 lines
1.4 KiB
TypeScript

/*
* 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`);
}
}
}