svg-pathdata/dist/tests/normalize_curves.test.js

Manipulate SVG path data (path[d] attribute content) simply and efficiently.

import { describe, test, expect } from '@jest/globals';
import { SVGPathData } from '../index.js';
describe('normalization of curves', () => {
    test("should ignore everything which isn't S s T t", () => {
        expect(new SVGPathData('m20,30c0 0 10 20 15 30q10 20 15 30h10v10a10 10 5 1 0 10 10z')
            .normalizeST()
            .encode()).toEqual(new SVGPathData('m20,30c0 0 10 20 15 30q10 20 15 30h10v10a10 10 5 1 0 10 10z').encode());
    });
    test("should take the previous point as the curve parameter if the previous curve isn't of the same type", () => {
        expect(new SVGPathData('M 10 10 h 100 s 10 20 15 30 t 20 15')
            .normalizeST()
            .encode()).toEqual(new SVGPathData('M 10 10 h 100 c 0 0 10 20 15 30 q 0 0 20 15').encode());
    });
    test('should mirror the previous control point', () => {
        expect(new SVGPathData('M 10 10 s 10 20 15 30 S 90 80 100 100')
            .normalizeST()
            .encode()).toEqual(new SVGPathData('M 10 10 c 0 0 10 20 15 30 C 30 50 90 80 100 100').encode());
    });
});
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