Read files with "UTF-8" and "UTF-8 with BOM" using Node.js fs

read-file.js

const fs = require("fs")
const path = require("path")

const filePath = path.resolve(__dirname, "index.md")

/**
 * By default, Visual Studio saves files with a BOM (Byte Order Mark) which can be a problem when reading files in Node.js.
 * The replace function below removes the BOM from the file.
 */
function readFileSync(filePath) {
    return fs.readFileSync(filePath, "utf8").replace(/^\uFEFF/, "")
}

const content = readFileSync(indexMdPath)