tus-js-client-stall-detection/lib.cjs/node/fileSignature.js

A pure JavaScript client for the tus resumable upload protocol (fork with stall detection)

"use strict";
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}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
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});
var __importStar = (this && this.__importStar) || (function () {
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})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.fingerprint = fingerprint;
const node_crypto_1 = require("node:crypto");
const node_fs_1 = require("node:fs");
const promises_1 = require("node:fs/promises");
const path = __importStar(require("node:path"));
async function fingerprint(file, options) {
    if (Buffer.isBuffer(file)) {
        // create MD5 hash for buffer type
        const blockSize = 64 * 1024; // 64kb
        const content = file.slice(0, Math.min(blockSize, file.length));
        const hash = (0, node_crypto_1.createHash)('md5').update(content).digest('hex');
        const ret = ['node-buffer', hash, file.length, options.endpoint].join('-');
        return ret;
    }
    if (file instanceof node_fs_1.ReadStream && file.path != null) {
        const name = path.resolve(Buffer.isBuffer(file.path) ? file.path.toString('utf-8') : file.path);
        const info = await (0, promises_1.stat)(file.path);
        const ret = ['node-file', name, info.size, info.mtime.getTime(), options.endpoint].join('-');
        return ret;
    }
    // fingerprint cannot be computed for file input type
    return null;
}
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