telefunc/dist/node/server/runTelefunc/getEtag.js

Remote functions. Instead of API.

export { getEtag };
import { assert } from '../utils.js';
async function getEtag(runContext) {
    if (runContext.disableEtag) {
        return null;
    }
    let createHash;
    try {
        createHash = (await import('node:crypto')).createHash;
    }
    catch (err) {
        /*
        assertWarning(
          false,
          'The HTTP response ETag header missing because the Node.js module `crypto` could not be loaded. Set `config.disableEtag = true` to remove this warning.',
          { onlyOnce: true }
        )
        */
        return null;
    }
    const etag = computeEtag(runContext.httpResponseBody, createHash);
    return etag;
}
function computeEtag(body, createHash) {
    const etagValue = computeEtagValue(body, createHash);
    assert(!etagValue.includes('"'));
    const etag = `"${etagValue}"`;
    return etag;
}
function computeEtagValue(body, createHash) {
    if (body.length === 0) {
        // fast-path empty body
        return '1B2M2Y8AsgTpgAmY7PhCfg==';
    }
    return createHash('md5').update(body, 'utf8').digest('base64');
}