@nodesecure/js-x-ray/dist/utils/isMinifiedCode.js

JavaScript AST XRay analysis

// CONSTANTS
const kCommentPattern = /\/\*[\s\S]*?\*\/\r?\n?|\/\/.{0,200}?(?:\r?\n|$)/g;
const kTrailingLfPattern = /\r?\n$/;
/**
 * This code has been imported from:
 * https://github.com/MartinKolarik/is-minified-code
 */
export function isMinifiedCode(code) {
    const lines = code
        .replace(kCommentPattern, "")
        .replace(kTrailingLfPattern, "")
        .split("\n")
        .flatMap((line) => (line.length > 0 ? [line.length] : []));
    return lines.length <= 1 || median(lines) > 200;
}
function median(values) {
    const toSorted = [...values].sort((a, b) => a - b);
    const half = Math.floor(toSorted.length / 2);
    if (toSorted.length % 2) {
        return toSorted[half];
    }
    return (toSorted[half - 1] + toSorted[half]) / 2;
}
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