@sketch-hq/sketch-assistant-utils/dist/esm/pointer-utils/__tests__/index.js

Utility functions and types for Sketch Assistants.

import { evalPointer, getParentPointer } from '../';
describe('evalPointer', () => {
    test('can resolve json pointers to object references', () => {
        const instance = { foo: 1 };
        expect(evalPointer('', instance)).toBe(instance);
        expect(evalPointer('/foo', instance)).toBe(1);
    });
});
describe('getParentPointer', () => {
    test('returns the parent pointer', () => {
        expect(getParentPointer('/document/pages/0')).toBe('/document/pages');
    });
    test('returns a root pointer as parent', () => {
        expect(getParentPointer('/document')).toBe('');
    });
    test('returns undefined past the root', () => {
        expect(getParentPointer('')).not.toBeDefined();
    });
});