retroload/dist/esm/retroload-tokenizer.js

Command line utility for converting tape archive files of historical computers into sound for loading them on real devices

#!/usr/bin/env node
import { BasicTokenizers } from 'retroload-lib';
import { Command } from 'commander';
import fs from 'fs';
function main() {
    const program = (new Command())
        .name('retroload-tokenizer')
        .description('Convert plain text BASIC files into tokenized BASIC files for loading.')
        .argument('<infile>', 'Path to source file to tokenize')
        .option('-d, --dialect <basic dialect>', 'BASIC dialect to use')
        .option('-o, --outfile <output file>', 'Where to write to binary output to. By default the input filename with a dialect specific extension is used as output filename.');
    program.parse();
    const options = program.opts();
    const infile = program.args[0];
    const dialect = typeof options['dialect'] === 'string' ? options['dialect'] : 'kc';
    const tokenizer = getTokenizerByDialectName(dialect);
    const outfile = typeof options['outfile'] === 'string' ? options['outfile'] : `${infile}.${tokenizer.extension}`;
    const destinationBa = tokenizer.tokenize(fs.readFileSync(infile).toString());
    fs.writeFileSync(outfile, destinationBa.asUint8Array());
}
function getTokenizerByDialectName(name) {
    const result = BasicTokenizers.filter((t) => t.name === name);
    if (result.length === 0) {
        const avaliableDialectNames = BasicTokenizers.map((t) => t.name);
        // eslint-disable-next-line no-console
        console.error(`Tokenizer for BASIC dialect "${name}" not found. Available dialects: ${avaliableDialectNames.join(', ')}`);
        process.exit(1);
    }
    if (result.length > 1) {
        throw new Error(`Found multiple BASIC tokenizers with name "${name}".`);
    }
    return result[0];
}
main();
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