mask-pii for JavaScript

Choose the JavaScript implementation of mask-pii to mask email and phone PII in logs and data pipelines. The workflow remains easy to review.

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Email masking

Masks the local part while keeping the domain visible.

Phone masking

Masks sensitive digits while preserving the format and visible suffix.

Builder-style API

Enable email and phone rules, and set the mask character explicitly before processing.

Install and run a first example

Choose the tagged source checkout while the npm package is planned, load the JavaScript API, and run the minimal example below. It enables both masking rules explicitly and records the expected output. The workflow remains easy to review.

Installation

git clone --branch v0.2.0 --depth 1 https://github.com/finitefield-org/mask-pii.git

Usage

index.js

const { Masker } = require("mask-pii");

const masker = new Masker()
  .maskEmails()
  .maskPhones()
  .withMaskChar("#");

const input = "Contact: alice@example.com or 090-1234-5678.";
const output = masker.process(input);
console.log(output);
// Expected output: "Contact: a####@example.com or ###-####-5678."

Note

Please check the. This also keeps team handoffs clear. README for exact package ecosystem details and API examples for this language.

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