@n1ru4l/graphql-live-query-patch-jsondiffpatch/cjs/generateJSONDiffPatch.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateJSONDiffPatch = void 0;
const graphql_live_query_patch_1 = require("@n1ru4l/graphql-live-query-patch");
const json_patch_plus_1 = require("@n1ru4l/json-patch-plus");
/**
 * We use common connection/pagination fields for
 * generating more efficient list patches.
 */
const objectHash = (object) => {
    if (object["__typename"] != null && object["id"] != null) {
        return `${object["__typename"]}:${object["id"]}`;
    }
    else if (object["id"] != null) {
        return object["id"];
    }
    else if (object["node"] != null) {
        return objectHash(object["node"]);
    }
    else if (object["cursor"] != null) {
        return object["cursor"];
    }
    else if (object["_id"] != null) {
        return object["_id"];
    }
};
const generateJSONDiffPatch = (left, right) => {
    const delta = (0, json_patch_plus_1.diff)({ left, right }, {
        objectHash,
    });
    if (delta === undefined) {
        return graphql_live_query_patch_1.noDiffSymbol;
    }
    return delta;
};
exports.generateJSONDiffPatch = generateJSONDiffPatch;