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iconify/packages/utils/tests/svg-build-test.ts

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import type { IconifyIconBuildResult } from '../lib/svg/build';
import { iconToSVG } from '../lib/svg/build';
import type { IconifyIcon } from '../lib/icon/defaults';
import type { IconifyIconCustomisations } from '../lib/customisations/defaults';
import { iconToHTML } from '../lib/svg/html';
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describe('Testing iconToSVG', () => {
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test('Empty icon', () => {
const icon: IconifyIcon = { body: '' };
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const expected: IconifyIconBuildResult = {
attributes: {
width: '1em',
height: '1em',
viewBox: '0 0 16 16',
},
viewBox: [0, 0, 16, 16],
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body: '',
};
const result = iconToSVG(icon);
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expect(result).toEqual(expected);
// Test HTML
const html = iconToHTML(result.body, result.attributes);
expect(html).toBe(
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'<svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" viewBox="0 0 16 16"></svg>'
);
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});
test('Auto size, body', () => {
const custom: IconifyIconCustomisations = {
height: 'auto',
};
const icon: IconifyIcon = {
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body: '<path d="" />',
};
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const expected: IconifyIconBuildResult = {
attributes: {
width: '16',
height: '16',
viewBox: '0 0 16 16',
},
viewBox: [0, 0, 16, 16],
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body: '<path d="" />',
};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
// Test HTML
const htmlProps: Record<string, string> = {
'aria-hidden': 'true',
'role': 'img',
...result.attributes,
};
const html = iconToHTML(result.body, htmlProps);
expect(html).toBe(
'<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" width="16" height="16" viewBox="0 0 16 16"><path d="" /></svg>'
);
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});
test('Auto size, body', () => {
const custom: IconifyIconCustomisations = {
height: 'auto',
};
const icon: IconifyIcon = {
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body: '<path d="" />',
};
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const expected: IconifyIconBuildResult = {
attributes: {
width: '16',
height: '16',
viewBox: '0 0 16 16',
},
viewBox: [0, 0, 16, 16],
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body: '<path d="" />',
};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
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});
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test('Custom size', () => {
const custom: IconifyIconCustomisations = {
height: 'auto',
};
const icon: IconifyIcon = {
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width: 20,
height: 16,
body: '<path d="..." />',
};
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const expected: IconifyIconBuildResult = {
attributes: {
width: '20',
height: '16',
viewBox: '0 0 20 16',
},
viewBox: [0, 0, 20, 16],
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body: '<path d="..." />',
};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
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});
test('Unset height', () => {
const custom: IconifyIconCustomisations = {
// Testing 'unset' keyword
height: 'unset',
width: 'auto',
};
const icon: IconifyIcon = {
width: 20,
height: 16,
body: '<path d="..." />',
};
const expected: IconifyIconBuildResult = {
attributes: {
width: '20',
viewBox: '0 0 20 16',
},
viewBox: [0, 0, 20, 16],
body: '<path d="..." />',
};
const result = iconToSVG(icon, custom);
expect(result).toEqual(expected);
});
test('Unset size', () => {
const custom: IconifyIconCustomisations = {
// Testing 'undefined' and 'none' keywords
width: 'undefined',
height: 'none',
};
const icon: IconifyIcon = {
width: 20,
height: 16,
body: '<path d="..." />',
};
const expected: IconifyIconBuildResult = {
attributes: {
viewBox: '0 0 20 16',
},
viewBox: [0, 0, 20, 16],
body: '<path d="..." />',
};
const result = iconToSVG(icon, custom);
expect(result).toEqual(expected);
});
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test('Rotation', () => {
const custom: IconifyIconCustomisations = {
height: '40px',
rotate: 1,
};
const icon: IconifyIcon = {
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width: 20,
height: 16,
body: '<path d="..." />',
};
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const expected: IconifyIconBuildResult = {
attributes: {
width: '32px',
height: '40px',
viewBox: '0 0 16 20',
},
viewBox: [0, 0, 16, 20],
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body: '<g transform="rotate(90 8 8)"><path d="..." /></g>',
};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
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});
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test('Negative rotation', () => {
const custom: IconifyIconCustomisations = {
height: '40px',
rotate: -1,
};
const icon: IconifyIcon = {
width: 20,
height: 16,
body: '<path d="..." />',
};
const expected: IconifyIconBuildResult = {
attributes: {
width: '32px',
height: '40px',
viewBox: '0 0 16 20',
},
viewBox: [0, 0, 16, 20],
body: '<g transform="rotate(-90 10 10)"><path d="..." /></g>',
};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
});
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test('Flip', () => {
const custom: IconifyIconCustomisations = {
height: '32',
hFlip: true,
};
const icon: IconifyIcon = {
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width: 20,
height: 16,
body: '<path d="..." />',
};
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const expected: IconifyIconBuildResult = {
attributes: {
width: '40',
height: '32',
viewBox: '0 0 20 16',
},
viewBox: [0, 0, 20, 16],
body: '<g transform="translate(20 0) scale(-1 1)"><path d="..." /></g>',
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};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
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});
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test('Flip, rotation', () => {
const custom: IconifyIconCustomisations = {
hFlip: true,
rotate: 1,
};
const icon: IconifyIcon = {
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width: 20,
height: 16,
body: '<path d="..." />',
};
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const expected: IconifyIconBuildResult = {
attributes: {
width: '0.8em',
height: '1em',
viewBox: '0 0 16 20',
},
viewBox: [0, 0, 16, 20],
body: '<g transform="rotate(90 8 8) translate(20 0) scale(-1 1)"><path d="..." /></g>',
};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
});
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test('Flip icon that is rotated by default', () => {
const custom: IconifyIconCustomisations = {
hFlip: true,
};
const icon: IconifyIcon = {
width: 20,
height: 16,
body: '<path d="..." />',
rotate: 1,
};
// Horizontally flipping icon that has 90 or 270 degrees rotation will result in vertical flip.
// Therefore result should be rotation + vertical flip to visually match horizontal flip on normal icon.
const expected: IconifyIconBuildResult = {
attributes: {
width: '0.8em',
height: '1em',
viewBox: '0 0 16 20',
},
viewBox: [0, 0, 16, 20],
body: '<g transform="translate(16 0) scale(-1 1)"><g transform="rotate(90 8 8)"><path d="..." /></g></g>',
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};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
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});
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test('Flip and rotation canceling eachother', () => {
const custom: IconifyIconCustomisations = {
width: '1em',
height: 'auto',
hFlip: true,
vFlip: true,
rotate: 2,
};
const icon: IconifyIcon = {
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width: 20,
height: 16,
body: '<path d="..." />',
};
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const expected: IconifyIconBuildResult = {
attributes: {
width: '1em',
height: '16',
viewBox: '0 0 20 16',
},
viewBox: [0, 0, 20, 16],
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body: '<path d="..." />',
};
const result = iconToSVG(icon, custom);
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expect(result).toEqual(expected);
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});
test('Flip with icon, no customisations', () => {
const iconBody =
'<g stroke="currentColor" stroke-width="16" stroke-linecap="round" stroke-linejoin="round" fill="none" fill-rule="evenodd"><path d="M40 64l48-48" class="animation-delay-0 animation-duration-10 animate-stroke stroke-length-102"/><path d="M40 64l48 48" class="animation-delay-0 animation-duration-10 animate-stroke stroke-length-102"/></g>';
const icon: IconifyIcon = {
body: iconBody,
width: 128,
height: 128,
hFlip: true,
};
const expected: IconifyIconBuildResult = {
attributes: {
width: '1em',
height: '1em',
viewBox: '0 0 128 128',
},
viewBox: [0, 0, 128, 128],
body:
'<g transform="translate(128 0) scale(-1 1)">' +
iconBody +
'</g>',
};
const result = iconToSVG(icon);
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expect(result).toEqual(expected);
});
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});