parse-domain/dist/scripts/update-tries.js

Splits a hostname into subdomains, domain and (effective) top-level domains

import * as fs from "node:fs";
import * as path from "node:path";
import { PUBLIC_SUFFIX_URL } from "../config.js";
import { fetchBuildSerializeTries } from "../update-tries.js";
const writeTriesToFiles = async ({ serializedIcannTrie, serializedPrivateTrie, }) => {
    const indexOfScriptArg = process.argv.lastIndexOf("--");
    const targetDirectories = process.argv.slice(indexOfScriptArg + 1);
    await Promise.all(targetDirectories.map(async (targetDirectory) => {
        const pathToIcannTrie = path.resolve(import.meta.dirname, targetDirectory, "icann.js");
        const pathToPrivateTrie = path.resolve(import.meta.dirname, targetDirectory, "private.js");
        const pathToTrieInfoFile = path.resolve(import.meta.dirname, targetDirectory, "info.json");
        console.warn(`Writing ${pathToIcannTrie}...`);
        console.warn(`Writing ${pathToPrivateTrie}...`);
        console.warn(`Writing ${pathToTrieInfoFile}...`);
        await Promise.all([
            fs.promises.writeFile(pathToIcannTrie, `export default ${JSON.stringify(serializedIcannTrie)};`),
            fs.promises.writeFile(pathToPrivateTrie, `export default ${JSON.stringify(serializedPrivateTrie)};`),
            fs.promises.writeFile(pathToTrieInfoFile, JSON.stringify({
                updatedAt: new Date(),
            })),
        ]);
    }));
};
console.warn(`Fetching public suffix list from ${PUBLIC_SUFFIX_URL}...`);
await writeTriesToFiles(await fetchBuildSerializeTries());
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