function checkEntityID()

in modules/core/difference.js [20:58]

• 36 lines of code
• 21 McCabe index (conditional complexity)

    function checkEntityID(id) {
        var h = head.entities[id];
        var b = base.entities[id];

        if (h === b) return;
        if (_changes[id]) return;

        if (!h && b) {
            _changes[id] = { base: b, head: h };
            _didChange.deletion = true;
            return;
        }
        if (h && !b) {
            _changes[id] = { base: b, head: h };
            _didChange.addition = true;
            return;
        }

        if (h && b) {
            if (h.members && b.members && !deepEqual(h.members, b.members)) {
                _changes[id] = { base: b, head: h };
                _didChange.geometry = true;
                _didChange.properties = true;
                return;
            }
            if (h.loc && b.loc && !vecEqual(h.loc, b.loc)) {
                _changes[id] = { base: b, head: h };
                _didChange.geometry = true;
            }
            if (h.nodes && b.nodes && !deepEqual(h.nodes, b.nodes)) {
                _changes[id] = { base: b, head: h };
                _didChange.geometry = true;
            }
            if (h.tags && b.tags && !deepEqual(h.tags, b.tags)) {
                _changes[id] = { base: b, head: h };
                _didChange.properties = true;
            }
        }
    }