@ogcio/o11y-sdk-node/dist/sdk-core/lib/redaction/ppsn-redactor.js

Opentelemetry standard instrumentation SDK for NodeJS based project

import { BasicRedactor } from "./basic-redactor.js";
export class PpsnRedactor extends BasicRedactor {
    // iOS < 16.6 compatible: no lookbehind/lookahead
    static PPSN_REGEX = /\d{7}[a-z]{1,2}/gi;
    redact(value) {
        let redactedCounter = 0;
        // Boundary checking to replace lookbehind/lookahead
        const redactedValue = value.replace(PpsnRedactor.PPSN_REGEX, (match, offset) => {
            const before = offset > 0 ? value[offset - 1] : "";
            const after = offset + match.length < value.length
                ? value[offset + match.length]
                : "";
            // Check if surrounded by non-alphanumeric characters
            const isValidBefore = !before || !/\w/.test(before);
            const isValidAfter = !after || !/\w/.test(after);
            if (isValidBefore && isValidAfter) {
                redactedCounter++;
                return "[REDACTED PPSN]";
            }
            return match;
        });
        return {
            redactedValue: redactedValue,
            context: {
                redactedCounter,
            },
        };
    }
}