@winglet/json/dist/JSONPointer/utils/patch/difference/utils/getArrayBasePath.cjs

TypeScript library for safe and efficient JSON data manipulation with RFC 6901 (JSON Pointer) and RFC 6902 (JSON Patch) compliance, featuring prototype pollution protection and immutable operations

'use strict';

var filter = require('@winglet/common-utils/filter');
var _enum = require('../../../../enum.cjs');

const getArrayBasePath = (path) => {
    let lastSlash = -1;
    let segmentStart = 1;
    for (let i = 1; i < path.length; i++) {
        if (path[i] === _enum.JSONPointer.Separator) {
            const segment = path.slice(segmentStart, i);
            if (filter.isArrayIndex(segment))
                return lastSlash !== -1 ? path.slice(0, lastSlash) : '';
            lastSlash = i;
            segmentStart = i + 1;
        }
    }
    const lastSegment = path.slice(segmentStart);
    if (filter.isArrayIndex(lastSegment))
        return lastSlash !== -1 ? path.slice(0, lastSlash) : '';
    return null;
};

exports.getArrayBasePath = getArrayBasePath;