next/dist/esm/server/lib/postponed-request-body.js

The React Framework

import { DEFAULT_MAX_POSTPONED_STATE_SIZE, parseMaxPostponedStateSize } from '../../shared/lib/size-limit';
const INVALID_MAX_POSTPONED_STATE_SIZE_ERROR_MESSAGE = 'maxPostponedStateSize must be a valid number (bytes) or filesize format string (e.g., "5mb")';
export function getMaxPostponedStateSize(configuredMaxPostponedStateSize) {
    const maxPostponedStateSize = configuredMaxPostponedStateSize ?? DEFAULT_MAX_POSTPONED_STATE_SIZE;
    const maxPostponedStateSizeBytes = parseMaxPostponedStateSize(configuredMaxPostponedStateSize);
    if (maxPostponedStateSizeBytes === undefined) {
        throw Object.defineProperty(new Error(INVALID_MAX_POSTPONED_STATE_SIZE_ERROR_MESSAGE), "__NEXT_ERROR_CODE", {
            value: "E977",
            enumerable: false,
            configurable: true
        });
    }
    return {
        maxPostponedStateSize,
        maxPostponedStateSizeBytes
    };
}
export function getPostponedStateExceededErrorMessage(maxPostponedStateSize) {
    return `Postponed state exceeded ${maxPostponedStateSize} limit. ` + `To configure the limit, see: https://nextjs.org/docs/app/api-reference/config/next-config-js/max-postponed-state-size`;
}
function toBuffer(chunk) {
    return Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk);
}
export async function readBodyWithSizeLimit(body, maxBodySizeBytes) {
    const chunks = [];
    let size = 0;
    for await (const chunk of body){
        const buffer = toBuffer(chunk);
        size += buffer.byteLength;
        if (size > maxBodySizeBytes) {
            return null;
        }
        chunks.push(buffer);
    }
    return Buffer.concat(chunks);
}

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