mach/lib/utils/generateETag.js

HTTP for JavaScript

"use strict";

var fs = require("fs");
var crypto = require("crypto");
var Promise = require("./Promise");

function generateETag(path) {
  return new Promise(function (resolve, reject) {
    fs.readFile(path, function (error, data) {
      if (error) {
        reject(error);
      } else {
        resolve("\"" + crypto.createHash("md5").update(data).digest("hex") + "\"");
      }
    });
  });
}

module.exports = generateETag;