chdman/dist/src/chdman/chdmanRaw.js

💿 chdman binaries and wrapper for Node.js.

import util from 'node:util';
import fs from 'node:fs';
import ChdmanBin from './chdmanBin.js';
import ChdmanInfo from './chdmanInfo.js';
export default {
    async createRaw(options) {
        let existedBefore;
        try {
            await util.promisify(fs.stat)(options.outputFilename);
            existedBefore = true;
        }
        catch {
            existedBefore = false;
        }
        try {
            await ChdmanBin.run([
                'createraw',
                '--output', options.outputFilename,
                ...(options.outputParentFilename ? ['--outputparent', String(options.outputParentFilename)] : []),
                ...(options.force === true ? ['--force'] : []),
                '--input', options.inputFilename,
                ...(options.inputStartByte === undefined ? [] : ['--inputstartbyte', String(options.inputStartByte)]),
                ...(options.inputStartHunk === undefined ? [] : ['--inputstarthunk', String(options.inputStartHunk)]),
                ...(options.inputBytes === undefined ? [] : ['--inputbytes', String(options.inputBytes)]),
                ...(options.inputHunks === undefined ? [] : ['--inputhunks', String(options.inputHunks)]),
                '--hunksize', String(options.hunkSize),
                '--unitsize', String(options.unitSize),
                ...(options.compression === undefined
                    ? []
                    : ['--compression', Array.isArray(options.compression) ? options.compression.join(',') : options.compression]),
                ...(options.numProcessors === undefined ? [] : ['--numprocessors', String(options.numProcessors)]),
            ], options);
        }
        catch (error) {
            // chdman can leave cruft when it fails
            if (!existedBefore) {
                await util.promisify(fs.rm)(options.outputFilename, { force: true });
            }
            throw error;
        }
        // Test the created file
        try {
            await ChdmanInfo.info({
                inputFilename: options.outputFilename,
            });
        }
        catch (error) {
            throw new Error(`created CHD is invalid: ${error}`);
        }
    },
    async extractRaw(options) {
        await ChdmanBin.run([
            'extractraw',
            '--output', options.outputFilename,
            ...(options.force === true ? ['--force'] : []),
            '--input', options.inputFilename,
            ...(options.inputParentFilename ? ['--inputparent', options.inputParentFilename] : []),
            ...(options.inputStartByte === undefined ? [] : ['--inputstartbyte', String(options.inputStartByte)]),
            ...(options.inputStartHunk === undefined ? [] : ['--inputstarthunk', String(options.inputStartHunk)]),
            ...(options.inputBytes === undefined ? [] : ['--inputbytes', String(options.inputBytes)]),
            ...(options.inputHunks === undefined ? [] : ['--inputhunks', String(options.inputHunks)]),
        ], options);
    },
};
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