mirror of
https://gitlab.com/openstapps/openstapps.git
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103 lines
2.8 KiB
JavaScript
103 lines
2.8 KiB
JavaScript
/*
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* Copyright (C) 2022 StApps
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* eslint-disable @typescript-eslint/no-non-null-assertion */
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import {exec} from 'child_process';
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import config from '../icons.config.mjs';
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import {statSync} from 'fs';
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import {getUsedIconsHtml, getUsedIconsTS} from './gather-used-icons.mjs';
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import {getCodePoints} from './get-code-points.mjs';
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/**
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* @param {string[] | string} command
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* @returns {Promise<string>}
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*/
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async function run(command) {
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const fullCommand = Array.isArray(command) ? command.join(' ') : command;
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console.log(`>> ${fullCommand}`);
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return new Promise((resolve, reject) => {
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exec(fullCommand, (error, stdout, stderr) => {
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if (error) {
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reject(error);
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} else if (stderr) {
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reject(stderr);
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} else {
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resolve(stdout.trim());
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}
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});
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});
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}
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/**
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*
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*/
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async function minifyIconFont() {
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/** @type {Set<string>} */
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const icons = new Set();
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for (const iconSet of [
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...Object.values(config.additionalIcons || []),
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...Object.values(await getUsedIconsTS(config.scriptGlob)),
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...Object.values(await getUsedIconsHtml(config.htmlGlob)),
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]) {
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for (const icon of iconSet) {
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icons.add(icon);
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}
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}
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const glyphs = ['5f-7a', '30-39', ...(await getCodePoints([...icons]))].sort();
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console.log(
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await run([
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'pyftsubset',
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`"${config.inputPath}"`,
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`--unicodes=${glyphs.join(',')}`,
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'--no-layout-closure',
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`--output-file="${config.outputPath}"`,
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'--flavor=woff2',
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]),
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);
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console.log(`${glyphs.length} Used Icons Total`);
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console.log(`Minified font saved to ${config.outputPath}`);
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const result = statSync(config.outputPath).size;
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const before = statSync(config.inputPath).size;
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console.log(
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`${toByteUnit(before)} > ${toByteUnit(result)} (${(((before - result) / before) * 100).toFixed(
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2,
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)}% Reduction)`,
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);
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}
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// eslint-disable-next-line unicorn/prefer-top-level-await
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minifyIconFont();
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/**
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* Bytes to respective units
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* @param {number} value
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* @returns {string}
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*/
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function toByteUnit(value) {
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if (value < 1024) {
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return `${value}B`;
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} else if (value < 1024 * 1024) {
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return `${(value / 1024).toFixed(2)}KB`;
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} else {
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return `${(value / 1024 / 1024).toFixed(2)}MB`;
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}
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}
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