@temporalio/common/lib/internal-workflow/objects-helpers.js

Common library for code that's used across the Client, Worker, and/or Workflow

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.filterNullAndUndefined = filterNullAndUndefined;
exports.mergeObjects = mergeObjects;
/**
 * Helper to prevent `undefined` and `null` values overriding defaults when merging maps.
 */
function filterNullAndUndefined(obj) {
    return Object.fromEntries(Object.entries(obj).filter(([_k, v]) => v != null));
}
function mergeObjects(original, delta) {
    if (original == null)
        return delta;
    if (delta == null)
        return original;
    const merged = { ...original };
    let changed = false;
    for (const [k, v] of Object.entries(delta)) {
        if (v !== merged[k]) {
            if (v == null)
                delete merged[k];
            else
                merged[k] = v;
            changed = true;
        }
    }
    return changed ? merged : original;
}
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