@mischback/buster/dist/lib/hashwalker/hash.js

buster is a tool to support cache busting for static assets of a website.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.hashFileContent = exports.BusterHashError = void 0;
const crypto_1 = require("crypto");
const fs_1 = require("fs");
const errors_1 = require("../errors");
class BusterHashError extends errors_1.BusterError {
    constructor(message) {
        super(message);
    }
}
exports.BusterHashError = BusterHashError;
function hashFileContent(filename) {
    return new Promise((resolve, reject) => {
        const hash = (0, crypto_1.createHash)("md5");
        const stream = (0, fs_1.createReadStream)(filename);
        stream.on("error", () => {
            return reject(new BusterHashError("Error during hash calculation"));
        });
        stream.on("end", () => {
            return resolve(hash.digest("hex"));
        });
        stream.on("data", (chunk) => {
            hash.update(chunk);
        });
    });
}
exports.hashFileContent = hashFileContent;
//# sourceMappingURL=hash.js.map