payload/dist/uploads/getRangeRequestInfo.js

Node, React, Headless CMS and Application Framework built on Next.js

import { status as httpStatus } from 'http-status';
import { parseRangeHeader } from './parseRangeHeader.js';
/**
 * Gets HTTP Range request information according to RFC 7233
 *
 * @param fileSize - The total size of the file in bytes
 * @param rangeHeader - The Range header value from the request (e.g., "bytes=0-1023")
 * @returns Result object with headers and status code for the response
 */ export function getRangeRequestInfo({ fileSize, rangeHeader }) {
    // Parse the Range header
    const rangeResult = parseRangeHeader({
        fileSize,
        rangeHeader
    });
    // Handle invalid range
    if (rangeResult.type === 'invalid') {
        return {
            type: 'invalid',
            headers: {
                'Content-Range': `bytes */${fileSize}`
            },
            status: httpStatus.REQUESTED_RANGE_NOT_SATISFIABLE
        };
    }
    // Handle partial range request
    if (rangeResult.type === 'partial' && rangeResult.range) {
        const { end, start } = rangeResult.range;
        const contentLength = end - start + 1;
        return {
            type: 'partial',
            headers: {
                'Accept-Ranges': 'bytes',
                'Content-Length': String(contentLength),
                'Content-Range': `bytes ${start}-${end}/${fileSize}`
            },
            rangeEnd: end,
            rangeStart: start,
            status: httpStatus.PARTIAL_CONTENT
        };
    }
    // Handle full file request (no range or invalid)
    return {
        type: 'full',
        headers: {
            'Accept-Ranges': 'bytes',
            'Content-Length': String(fileSize)
        },
        status: httpStatus.OK
    };
}

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