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get-fonts.ts
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get-fonts.ts
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import { mkdir, readFile, writeFile, unlink, rmdir } from "fs/promises";
import { constructURL, download } from "google-fonts-helper";
import { resolve } from "node:path";
import { target_locreq } from "./target-locreq.js";
import { exec } from "child_process";
import { is, predicates } from "@sealcode/ts-predicates";
import { promisify } from "util";
import _locreq from "locreq";
const locreq = _locreq(import.meta.dirname);
const path_to_fonsta = locreq.resolve("node_modules/fonsta/bin/fonsta");
import JSON5 from "json5";
export const FONTS_CONFIG_PATH = "src/fonts.json";
const execPromise = promisify(exec);
export async function getFonts(_: Record<string, string | boolean> = {}) {
const fonts_config_path = target_locreq.resolve(FONTS_CONFIG_PATH);
// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
const fonts_config = JSON5.parse(await readFile(fonts_config_path, "utf8"));
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument, @typescript-eslint/no-unsafe-member-access
const google_fonts = constructURL(fonts_config.googleFonts);
if (!google_fonts) {
throw new Error("Invalid font config");
}
const downloader = download(google_fonts, {
base64: false,
overwriting: false,
outputDir: target_locreq.resolve("public/dist/fonts"),
stylePath: "fonts.css",
fontsDir: "./",
fontsPath: "/dist/fonts",
});
await downloader.execute();
console.log("Downloaded new fonts pack from google fonts");
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-assignment
const squirrel_fonts = fonts_config.fontSquirrel;
if (
!is(
squirrel_fonts,
predicates.record(
predicates.string,
predicates.array(predicates.string)
)
)
) {
throw new Error("Inocorrect squirrelfonts file");
}
await mkdir(target_locreq.resolve("public/dist/fontsquirrel/"), {
recursive: true,
});
const config_file = `{
"tmpDir": "/tmp/fonts",
"fontsDir": "/dist/fontsquirrel/fonts",
"cssDir": "/dist/fontsquirrel/css",
"cssFile": "fonts.css"
}`;
await writeFile("public/fonsta.config.json", config_file);
await Promise.all(
Object.keys(squirrel_fonts).map((font) => {
if (squirrel_fonts[font].length) {
return execPromise(
`node ${path_to_fonsta} install ${font}:${squirrel_fonts[
font
].join(",")}`,
{
cwd: target_locreq.resolve("public"),
}
);
} else {
return execPromise(`node ${path_to_fonsta} install ${font}`, {
cwd: target_locreq.resolve("public"),
});
}
})
);
const fonts_css_file_path = resolve(
target_locreq.resolve("public/dist/fonts"),
"fonts.css"
);
const content = await readFile(fonts_css_file_path, "utf-8");
await writeFile(
fonts_css_file_path,
content.replace(/@font-face {/g, "@font-face {\nfont-display: swap;")
);
await unlink("public/fonsta.config.json");
await rmdir("public/tmp");
console.log("Downloaded new fonts pack from Font Squirrel");
console.log("Downloaded new fonts pack");
}

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get-fonts.ts (2 KB)

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