simple-icons/scripts/build/package.js
2023-05-25 14:45:12 +02:00

130 lines
4.1 KiB
JavaScript

#!/usr/bin/env node
/**
* @fileoverview
* Simple Icons package build script.
*/
import { promises as fs } from 'node:fs';
import path from 'node:path';
import util from 'node:util';
import { transform as esbuildTransform } from 'esbuild';
import {
getIconSlug,
svgToPath,
titleToHtmlFriendly,
slugToVariableName,
getIconsData,
getDirnameFromImportMeta,
collator,
} from '../../sdk.mjs';
const __dirname = getDirnameFromImportMeta(import.meta.url);
const UTF8 = 'utf8';
const rootDir = path.resolve(__dirname, '..', '..');
const iconsDir = path.resolve(rootDir, 'icons');
const indexJsFile = path.resolve(rootDir, 'index.js');
const indexMjsFile = path.resolve(rootDir, 'index.mjs');
const sdkJsFile = path.resolve(rootDir, 'sdk.js');
const sdkMjsFile = path.resolve(rootDir, 'sdk.mjs');
const indexDtsFile = path.resolve(rootDir, 'index.d.ts');
const templatesDir = path.resolve(__dirname, 'templates');
const iconObjectTemplateFile = path.resolve(templatesDir, 'icon-object.js');
const build = async () => {
const icons = await getIconsData();
const iconObjectTemplate = await fs.readFile(iconObjectTemplateFile, UTF8);
// Local helper functions
const escape = (value) => {
return value.replace(/(?<!\\)'/g, "\\'");
};
const iconToKeyValue = (icon) => {
return `'${icon.slug}':${iconToObject(icon)}`;
};
const licenseToObject = (license) => {
if (license === undefined) {
return;
}
if (license.url === undefined) {
license.url = `https://spdx.org/licenses/${license.type}`;
}
return license;
};
const iconToObject = (icon) => {
return util.format(
iconObjectTemplate,
escape(icon.title),
escape(icon.slug),
escape(titleToHtmlFriendly(icon.title)),
escape(icon.path),
escape(icon.source),
escape(icon.hex),
icon.guidelines ? `\n guidelines: '${escape(icon.guidelines)}',` : '',
licenseToObject(icon.license)
? `\n license: ${JSON.stringify(licenseToObject(icon.license))},`
: '',
);
};
const writeJs = async (filepath, rawJavaScript, opts = null) => {
opts = opts === null ? { minify: true } : opts;
const { code } = await esbuildTransform(rawJavaScript, opts);
await fs.writeFile(filepath, code);
};
const writeTs = async (filepath, rawTypeScript) => {
await fs.writeFile(filepath, rawTypeScript);
};
// 'main'
const buildIcons = await Promise.all(
icons.map(async (icon) => {
const filename = getIconSlug(icon);
const svgFilepath = path.resolve(iconsDir, `${filename}.svg`);
icon.svg = (await fs.readFile(svgFilepath, UTF8)).replace(/\r?\n/, '');
icon.path = svgToPath(icon.svg);
icon.slug = filename;
const iconObject = iconToObject(icon);
const iconExportName = slugToVariableName(icon.slug);
return { icon, iconObject, iconExportName };
}),
);
const iconsBarrelDts = [];
const iconsBarrelJs = [];
const iconsBarrelMjs = [];
buildIcons.sort((a, b) => collator.compare(a.icon.title, b.icon.title));
buildIcons.forEach(({ iconObject, iconExportName }) => {
iconsBarrelDts.push(`export const ${iconExportName}:I;`);
iconsBarrelJs.push(`${iconExportName}:${iconObject},`);
iconsBarrelMjs.push(`export const ${iconExportName}=${iconObject}`);
});
// constants used in templates to reduce package size
const constantsString = `const a='<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>',b='</title><path d="',c='"/></svg>';`;
// write our file containing the exports of all icons in CommonJS ...
const rawIndexJs = `${constantsString}module.exports={${iconsBarrelJs.join(
'',
)}};`;
await writeJs(indexJsFile, rawIndexJs);
// and ESM
const rawIndexMjs = constantsString + iconsBarrelMjs.join('');
await writeJs(indexMjsFile, rawIndexMjs);
// and create a type declaration file
const rawIndexDts = `import {SimpleIcon} from "./types";export {SimpleIcon};type I=SimpleIcon;${iconsBarrelDts.join(
'',
)}`;
await writeTs(indexDtsFile, rawIndexDts);
// create a CommonJS SDK file
await writeJs(sdkJsFile, await fs.readFile(sdkMjsFile, UTF8), {
format: 'cjs',
});
};
build();