mongoose-data-sanitizer

A simple Mongoose plugin that automatically sanitizes your data before saving or updating.
It ensures your documents are normalized to NFC and removes invalid control characters that might cause issues with MongoDB or string handling.

📦 Installation

npm install mongoose-data-sanitizer

What It Does

• Converts strings to NFC normalized form

• Removes invalid binary/control characters

• Works on:

save()

updateOne()

findOneAndUpdate()

updateMany()

• Supports nested objects and arrays

Usage

import mongoose, { Schema, model } from "mongoose";
import { sanitizerPlugin } from "mongoose-data-sanitizer";

// Define your schema
const userSchema = new Schema({
  name: String,
  bio: String,
  tags: [String],
});

// Attach the sanitizer plugin
userSchema.plugin(sanitizerPlugin);

const User = model("User", userSchema);

async function run() {
  await mongoose.connect("mongodb://localhost:27017/test");

  const user = new User({
    name: "Jo\u0301hn", // combining accent
    bio: "Some bad char \u0008 here",
    tags: ["hel\u200Blo", "wo\u0000rld"],
  });

  await user.save();

  console.log(await User.findOne({ _id: user._id }));

  await mongoose.disconnect();
}