ubon/dist/utils/entropy.js

Security scanner for AI-generated React/Next.js and Python apps. Catches hardcoded secrets, accessibility issues, and vulnerabilities that traditional linters miss.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.shannonEntropy = shannonEntropy;
exports.extractQuotedLiterals = extractQuotedLiterals;
function shannonEntropy(input) {
    if (!input || input.length === 0)
        return 0;
    const map = {};
    for (const ch of input)
        map[ch] = (map[ch] || 0) + 1;
    let entropy = 0;
    const len = input.length;
    for (const k in map) {
        const p = map[k] / len;
        entropy -= p * Math.log2(p);
    }
    return entropy;
}
// Extract quoted string-like tokens from a line
function extractQuotedLiterals(line) {
    const matches = [];
    const regex = /(['"]).*?\1/g; // simple non-greedy quoted
    let m;
    while ((m = regex.exec(line)) !== null) {
        const raw = m[0];
        if (raw.length >= 3) {
            matches.push(raw.slice(1, -1));
        }
    }
    return matches;
}