@lark-project/cli/lib/utils/point-eval/conformance/mutate.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.applyMutation = exports.parsePath = void 0;
function parsePath(path) {
    const segs = [];
    for (const part of path.split('.')) {
        const m = part.match(/^([^[\]]+)((?:\[\d+\])*)$/);
        if (!m)
            throw new Error(`Invalid path segment: ${part}`);
        segs.push(m[1]);
        for (const im of m[2].match(/\[\d+\]/g) || []) {
            segs.push(Number(im.slice(1, -1)));
        }
    }
    return segs;
}
exports.parsePath = parsePath;
function applyMutation(config, mutation) {
    const clone = structuredClone(config);
    const segs = parsePath(mutation.path);
    let parent = clone;
    for (let i = 0; i < segs.length - 1; i++) {
        parent = parent[segs[i]];
        // 中间段缺失或为基本类型时必须抛错：否则后面 `parent[last] = value` 会在
        // 字符串/数字上静默 no-op，探针作者只会看到一条"stored 无 diff"的假通过。
        if (parent == null || typeof parent !== 'object') {
            throw new Error(`Path not navigable at segment "${segs[i]}" (not an object/array): ${mutation.path}`);
        }
    }
    const last = segs[segs.length - 1];
    if (mutation.op === 'delete') {
        if (Array.isArray(parent) && typeof last === 'number')
            parent.splice(last, 1);
        else
            delete parent[last];
    }
    else {
        parent[last] = mutation.value;
    }
    return clone;
}
exports.applyMutation = applyMutation;