�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` 'use strict'; const { expect } = require('chai'); const { parsePathData, stringifyPathData } = require('./path.js'); describe('parse path data', () => { it('should allow spaces between commands', () => { expect(parsePathData('M0 10 L \n\r\t20 30')).to.deep.equal([ { command: 'M', args: [0, 10] }, { command: 'L', args: [20, 30] }, ]); }); it('should allow spaces and commas between arguments', () => { expect(parsePathData('M0 , 10 L 20 \n\r\t30,40,50')).to.deep.equal([ { command: 'M', args: [0, 10] }, { command: 'L', args: [20, 30] }, { command: 'L', args: [40, 50] }, ]); }); it('should forbid commas before commands', () => { expect(parsePathData(', M0 10')).to.deep.equal([]); }); it('should forbid commas between commands', () => { expect(parsePathData('M0,10 , L 20,30')).to.deep.equal([ { command: 'M', args: [0, 10] }, ]); }); it('should forbid commas between command name and argument', () => { expect(parsePathData('M0,10 L,20,30')).to.deep.equal([ { command: 'M', args: [0, 10] }, ]); }); it('should forbid multipe commas in a row', () => { expect(parsePathData('M0 , , 10')).to.deep.equal([]); }); it('should stop when unknown char appears', () => { expect(parsePathData('M0 10 , L 20 #40')).to.deep.equal([ { command: 'M', args: [0, 10] }, ]); }); it('should stop when not enough arguments', () => { expect(parsePathData('M0 10 L 20 L 30 40')).to.deep.equal([ { command: 'M', args: [0, 10] }, ]); }); it('should stop if moveto not the first command', () => { expect(parsePathData('L 10 20')).to.deep.equal([]); expect(parsePathData('10 20')).to.deep.equal([]); }); it('should stop on invalid scientific notation', () => { expect(parsePathData('M 0 5e++1 L 0 0')).to.deep.equal([ { command: 'M', args: [0, 5] }, ]); }); it('should stop on invalid numbers', () => { expect(parsePathData('M ...')).to.deep.equal([]); }); it('should handle arcs', () => { expect( parsePathData( ` M600,350 l 50,-25 a25,25 -30 0,1 50,-25 25,50 -30 0,1 50,-25 25,75 -30 01.2,-25 a25,100 -30 0150,-25 l 50,-25 ` ) ).to.deep.equal([ { command: 'M', args: [600, 350] }, { command: 'l', args: [50, -25] }, { command: 'a', args: [25, 25, -30, 0, 1, 50, -25] }, { command: 'a', args: [25, 50, -30, 0, 1, 50, -25] }, { command: 'a', args: [25, 75, -30, 0, 1, 0.2, -25] }, { command: 'a', args: [25, 100, -30, 0, 1, 50, -25] }, { command: 'l', args: [50, -25] }, ]); }); }); describe('stringify path data', () => { it('should combine sequence of the same commands', () => { expect( stringifyPathData({ pathData: [ { command: 'M', args: [0, 0] }, { command: 'h', args: [10] }, { command: 'h', args: [20] }, { command: 'h', args: [30] }, { command: 'H', args: [40] }, { command: 'H', args: [50] }, ], }) ).to.equal('M0 0h10 20 30H40 50'); }); it('should not combine sequence of moveto', () => { expect( stringifyPathData({ pathData: [ { command: 'M', args: [0, 0] }, { command: 'M', args: [10, 10] }, { command: 'm', args: [20, 30] }, { command: 'm', args: [40, 50] }, ], }) ).to.equal('M0 0M10 10m20 30m40 50'); }); it('should combine moveto and sequence of lineto', () => { expect( stringifyPathData({ pathData: [ { command: 'M', args: [0, 0] }, { command: 'l', args: [10, 10] }, { command: 'M', args: [0, 0] }, { command: 'l', args: [10, 10] }, { command: 'M', args: [0, 0] }, { command: 'L', args: [10, 10] }, ], }) ).to.equal('m0 0 10 10M0 0l10 10M0 0 10 10'); expect( stringifyPathData({ pathData: [ { command: 'm', args: [0, 0] }, { command: 'L', args: [10, 10] }, ], }) ).to.equal('M0 0 10 10'); }); it('should avoid space before first, negative and decimals', () => { expect( stringifyPathData({ pathData: [ { command: 'M', args: [0, -1.2] }, { command: 'L', args: [0.3, 4] }, { command: 'L', args: [5, -0.6] }, { command: 'L', args: [7, 0.8] }, ], }) ).to.equal('M0-1.2.3 4 5-.6 7 .8'); }); it('should configure precision', () => { const pathData = [ { command: 'M', args: [0, -1.9876] }, { command: 'L', args: [0.3, 3.14159265] }, { command: 'L', args: [-0.3, -3.14159265] }, { command: 'L', args: [100, 200] }, ]; expect( stringifyPathData({ pathData, precision: 3, }) ).to.equal('M0-1.988.3 3.142-.3-3.142 100 200'); expect( stringifyPathData({ pathData, precision: 0, }) ).to.equal('M0-2 0 3 0-3 100 200'); }); it('allows to avoid spaces after arc flags', () => { const pathData = [ { command: 'M', args: [0, 0] }, { command: 'A', args: [50, 50, 10, 1, 0, 0.2, 20] }, { command: 'a', args: [50, 50, 10, 1, 0, 0.2, 20] }, ]; expect( stringifyPathData({ pathData, disableSpaceAfterFlags: false, }) ).to.equal('M0 0A50 50 10 1 0 .2 20a50 50 10 1 0 .2 20'); expect( stringifyPathData({ pathData, disableSpaceAfterFlags: true, }) ).to.equal('M0 0A50 50 10 10.2 20a50 50 10 10.2 20'); }); });